/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 11:40:37,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 11:40:37,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 11:40:37,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 11:40:37,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 11:40:37,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 11:40:37,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 11:40:37,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 11:40:37,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 11:40:37,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 11:40:37,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 11:40:37,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 11:40:37,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 11:40:37,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 11:40:37,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 11:40:37,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 11:40:37,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 11:40:37,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 11:40:37,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 11:40:37,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 11:40:37,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 11:40:37,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 11:40:37,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 11:40:37,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 11:40:37,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 11:40:37,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-18 11:40:37,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-18 11:40:37,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-18 11:40:37,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-18 11:40:37,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-18 11:40:37,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-18 11:40:37,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-18 11:40:37,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-18 11:40:37,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 11:40:37,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 11:40:37,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 11:40:37,428 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2022-01-18 11:40:37,440 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 11:40:37,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 11:40:37,441 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 11:40:37,441 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 11:40:37,441 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 11:40:37,441 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 11:40:37,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 11:40:37,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 11:40:37,442 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 11:40:37,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 11:40:37,442 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 11:40:37,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 11:40:37,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 11:40:37,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 11:40:37,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 11:40:37,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 11:40:37,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 11:40:37,443 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 11:40:37,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 11:40:37,443 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 11:40:37,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 11:40:37,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 11:40:37,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 11:40:37,444 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 11:40:37,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 11:40:37,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 11:40:37,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 11:40:37,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 11:40:37,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 11:40:37,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 11:40:37,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 11:40:37,445 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 11:40:37,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 11:40:37,445 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 11:40:37,445 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 11:40:37,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 11:40:37,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 11:40:37,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 11:40:37,655 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 11:40:37,656 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 11:40:37,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2022-01-18 11:40:37,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec3dbe96f/e03c0057b74d4c9787536794c5a6a170/FLAGd18779448 [2022-01-18 11:40:38,088 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 11:40:38,088 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2022-01-18 11:40:38,095 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec3dbe96f/e03c0057b74d4c9787536794c5a6a170/FLAGd18779448 [2022-01-18 11:40:38,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec3dbe96f/e03c0057b74d4c9787536794c5a6a170 [2022-01-18 11:40:38,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 11:40:38,111 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 11:40:38,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 11:40:38,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 11:40:38,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 11:40:38,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 11:40:38" (1/1) ... [2022-01-18 11:40:38,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f696d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:40:38, skipping insertion in model container [2022-01-18 11:40:38,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 11:40:38" (1/1) ... [2022-01-18 11:40:38,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 11:40:38,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 11:40:38,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c[2755,2768] [2022-01-18 11:40:38,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 11:40:38,337 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 11:40:38,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c[2755,2768] [2022-01-18 11:40:38,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 11:40:38,380 INFO L208 MainTranslator]: Completed translation [2022-01-18 11:40:38,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:40:38 WrapperNode [2022-01-18 11:40:38,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 11:40:38,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 11:40:38,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 11:40:38,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 11:40:38,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:40:38" (1/1) ... [2022-01-18 11:40:38,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:40:38" (1/1) ... [2022-01-18 11:40:38,430 INFO L137 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 17, calls inlined = 31, statements flattened = 277 [2022-01-18 11:40:38,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 11:40:38,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 11:40:38,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 11:40:38,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 11:40:38,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:40:38" (1/1) ... [2022-01-18 11:40:38,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:40:38" (1/1) ... [2022-01-18 11:40:38,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:40:38" (1/1) ... [2022-01-18 11:40:38,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:40:38" (1/1) ... [2022-01-18 11:40:38,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:40:38" (1/1) ... [2022-01-18 11:40:38,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:40:38" (1/1) ... [2022-01-18 11:40:38,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:40:38" (1/1) ... [2022-01-18 11:40:38,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 11:40:38,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 11:40:38,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 11:40:38,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 11:40:38,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:40:38" (1/1) ... [2022-01-18 11:40:38,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 11:40:38,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 11:40:38,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 11:40:38,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 11:40:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 11:40:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 11:40:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 11:40:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 11:40:38,520 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 11:40:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 11:40:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 11:40:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 11:40:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-18 11:40:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 11:40:38,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 11:40:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 11:40:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 11:40:38,521 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 11:40:38,621 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 11:40:38,622 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 11:40:39,026 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 11:40:39,039 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 11:40:39,039 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-01-18 11:40:39,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 11:40:39 BoogieIcfgContainer [2022-01-18 11:40:39,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 11:40:39,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 11:40:39,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 11:40:39,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 11:40:39,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 11:40:38" (1/3) ... [2022-01-18 11:40:39,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d1e336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 11:40:39, skipping insertion in model container [2022-01-18 11:40:39,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:40:38" (2/3) ... [2022-01-18 11:40:39,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d1e336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 11:40:39, skipping insertion in model container [2022-01-18 11:40:39,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 11:40:39" (3/3) ... [2022-01-18 11:40:39,051 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2022-01-18 11:40:39,054 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 11:40:39,054 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 11:40:39,055 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 11:40:39,055 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 11:40:39,135 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,135 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,136 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,136 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,136 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,136 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,136 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,136 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,136 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,136 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,139 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,139 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,139 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,139 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,139 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,139 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,139 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,139 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,139 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,140 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,140 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,140 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,140 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,140 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,140 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,141 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,141 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,141 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,141 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,141 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,141 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,142 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,142 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,142 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,142 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,142 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,143 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,143 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,143 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,143 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,143 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,143 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,143 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,143 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,144 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,144 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,144 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,144 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,145 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,145 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,145 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,145 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,145 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,145 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,145 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,146 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,146 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,146 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,146 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,147 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,147 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,147 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,147 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,147 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,147 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,148 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,148 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,149 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,149 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,149 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,149 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,149 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,150 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,150 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,150 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,151 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,151 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,151 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,151 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,151 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,151 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,151 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,152 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,152 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,152 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,152 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,152 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,152 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,153 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,153 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,153 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,153 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,153 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,153 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,153 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,154 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,154 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,154 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,154 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,154 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,154 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,154 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,155 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,155 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,155 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,155 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,158 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,158 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,159 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,159 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,159 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,159 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,161 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,161 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,161 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,161 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,161 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,161 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,161 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,162 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,162 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,162 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,162 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,162 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,163 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,163 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,163 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,163 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,163 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,163 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,163 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,166 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,166 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,166 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,166 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,166 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,166 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,166 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,166 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,166 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,168 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,168 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,168 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,168 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,169 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,169 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,169 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,176 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,176 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,179 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,179 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,179 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,179 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,179 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,179 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,179 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,179 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,180 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,180 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,180 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,180 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,180 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,180 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,180 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,180 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,181 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,181 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,181 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,181 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,181 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,181 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,181 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,181 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,181 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,181 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,181 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,182 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,182 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,182 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,182 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,182 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,182 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,182 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,182 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,182 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,183 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,183 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,183 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,183 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,183 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,183 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,183 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,183 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,183 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,183 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,184 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,184 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,184 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,184 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,184 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,184 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,184 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,184 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,185 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,185 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,185 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,185 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,185 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,185 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,188 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,188 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,188 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,200 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,200 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,200 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,200 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,200 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,200 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,200 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,200 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,200 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,200 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,202 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,202 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,202 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,202 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,202 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,202 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,202 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,202 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,202 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,203 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,203 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,203 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,203 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,203 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,204 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,204 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,204 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,204 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,204 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,204 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,204 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,204 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,210 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,210 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,210 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,210 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,210 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,210 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,210 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,211 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,211 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,211 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,211 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,211 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,211 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,211 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,220 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,220 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,220 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,220 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,220 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,220 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,220 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,220 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,220 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,220 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,221 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,221 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,221 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,221 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,221 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,221 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,221 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,221 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,221 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,221 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,222 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,222 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,233 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:40:39,237 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-18 11:40:39,272 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 11:40:39,276 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 11:40:39,276 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-18 11:40:39,288 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 375 places, 396 transitions, 808 flow [2022-01-18 11:40:40,672 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 58787 states, 58786 states have (on average 2.8980199367196273) internal successors, (170363), 58786 states have internal predecessors, (170363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:40:40,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 58787 states, 58786 states have (on average 2.8980199367196273) internal successors, (170363), 58786 states have internal predecessors, (170363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:40:41,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:40:41,132 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:40:41,132 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:40:41,133 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:40:41,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:40:41,136 INFO L85 PathProgramCache]: Analyzing trace with hash 467375561, now seen corresponding path program 1 times [2022-01-18 11:40:41,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:40:41,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548595231] [2022-01-18 11:40:41,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:40:41,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:40:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:40:41,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:40:41,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:40:41,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548595231] [2022-01-18 11:40:41,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548595231] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:40:41,358 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:40:41,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 11:40:41,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552595782] [2022-01-18 11:40:41,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:40:41,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 11:40:41,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:40:41,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 11:40:41,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 11:40:41,455 INFO L87 Difference]: Start difference. First operand has 58787 states, 58786 states have (on average 2.8980199367196273) internal successors, (170363), 58786 states have internal predecessors, (170363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 81.5) internal successors, (163), 2 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:40:42,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:40:42,040 INFO L93 Difference]: Finished difference Result 58787 states and 161637 transitions. [2022-01-18 11:40:42,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 11:40:42,042 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 81.5) internal successors, (163), 2 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:40:42,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:40:42,327 INFO L225 Difference]: With dead ends: 58787 [2022-01-18 11:40:42,327 INFO L226 Difference]: Without dead ends: 51287 [2022-01-18 11:40:42,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 11:40:42,330 INFO L933 BasicCegarLoop]: 358 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 11:40:42,331 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 358 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 11:40:42,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51287 states. [2022-01-18 11:40:43,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51287 to 51287. [2022-01-18 11:40:43,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51287 states, 51286 states have (on average 2.7494637912880706) internal successors, (141009), 51286 states have internal predecessors, (141009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:40:43,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51287 states to 51287 states and 141009 transitions. [2022-01-18 11:40:43,685 INFO L78 Accepts]: Start accepts. Automaton has 51287 states and 141009 transitions. Word has length 163 [2022-01-18 11:40:43,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:40:43,685 INFO L470 AbstractCegarLoop]: Abstraction has 51287 states and 141009 transitions. [2022-01-18 11:40:43,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 81.5) internal successors, (163), 2 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:40:43,685 INFO L276 IsEmpty]: Start isEmpty. Operand 51287 states and 141009 transitions. [2022-01-18 11:40:43,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:40:43,780 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:40:43,780 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:40:43,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 11:40:43,781 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:40:43,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:40:43,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1443710742, now seen corresponding path program 1 times [2022-01-18 11:40:43,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:40:43,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124254535] [2022-01-18 11:40:43,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:40:43,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:40:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:40:44,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:40:44,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:40:44,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124254535] [2022-01-18 11:40:44,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124254535] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:40:44,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:40:44,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:40:44,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710918734] [2022-01-18 11:40:44,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:40:44,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:40:44,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:40:44,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:40:44,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:40:44,558 INFO L87 Difference]: Start difference. First operand 51287 states and 141009 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:40:47,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:40:47,153 INFO L93 Difference]: Finished difference Result 114332 states and 315102 transitions. [2022-01-18 11:40:47,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-18 11:40:47,163 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:40:47,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:40:47,533 INFO L225 Difference]: With dead ends: 114332 [2022-01-18 11:40:47,534 INFO L226 Difference]: Without dead ends: 113978 [2022-01-18 11:40:47,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=509, Invalid=2247, Unknown=0, NotChecked=0, Total=2756 [2022-01-18 11:40:47,535 INFO L933 BasicCegarLoop]: 990 mSDtfsCounter, 3925 mSDsluCounter, 12003 mSDsCounter, 0 mSdLazyCounter, 2120 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3925 SdHoareTripleChecker+Valid, 12864 SdHoareTripleChecker+Invalid, 2154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 11:40:47,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3925 Valid, 12864 Invalid, 2154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2120 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-18 11:40:47,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113978 states. [2022-01-18 11:40:49,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113978 to 52739. [2022-01-18 11:40:49,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52739 states, 52738 states have (on average 2.7486442413440026) internal successors, (144958), 52738 states have internal predecessors, (144958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:40:49,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52739 states to 52739 states and 144958 transitions. [2022-01-18 11:40:49,346 INFO L78 Accepts]: Start accepts. Automaton has 52739 states and 144958 transitions. Word has length 163 [2022-01-18 11:40:49,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:40:49,347 INFO L470 AbstractCegarLoop]: Abstraction has 52739 states and 144958 transitions. [2022-01-18 11:40:49,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:40:49,347 INFO L276 IsEmpty]: Start isEmpty. Operand 52739 states and 144958 transitions. [2022-01-18 11:40:49,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:40:49,404 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:40:49,404 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:40:49,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 11:40:49,404 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:40:49,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:40:49,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1846555588, now seen corresponding path program 2 times [2022-01-18 11:40:49,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:40:49,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599411242] [2022-01-18 11:40:49,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:40:49,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:40:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:40:49,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:40:49,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:40:49,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599411242] [2022-01-18 11:40:49,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599411242] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:40:49,741 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:40:49,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:40:49,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305930638] [2022-01-18 11:40:49,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:40:49,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:40:49,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:40:49,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:40:49,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:40:49,742 INFO L87 Difference]: Start difference. First operand 52739 states and 144958 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:40:52,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:40:52,315 INFO L93 Difference]: Finished difference Result 114200 states and 314806 transitions. [2022-01-18 11:40:52,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 11:40:52,316 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:40:52,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:40:52,808 INFO L225 Difference]: With dead ends: 114200 [2022-01-18 11:40:52,808 INFO L226 Difference]: Without dead ends: 114061 [2022-01-18 11:40:52,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 752 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=660, Invalid=2532, Unknown=0, NotChecked=0, Total=3192 [2022-01-18 11:40:52,810 INFO L933 BasicCegarLoop]: 943 mSDtfsCounter, 3072 mSDsluCounter, 12199 mSDsCounter, 0 mSdLazyCounter, 2188 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3072 SdHoareTripleChecker+Valid, 13015 SdHoareTripleChecker+Invalid, 2249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 2188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:40:52,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3072 Valid, 13015 Invalid, 2249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 2188 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:40:52,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114061 states. [2022-01-18 11:40:54,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114061 to 52787. [2022-01-18 11:40:54,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52787 states, 52786 states have (on average 2.7484181411737962) internal successors, (145078), 52786 states have internal predecessors, (145078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:40:54,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52787 states to 52787 states and 145078 transitions. [2022-01-18 11:40:54,441 INFO L78 Accepts]: Start accepts. Automaton has 52787 states and 145078 transitions. Word has length 163 [2022-01-18 11:40:54,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:40:54,442 INFO L470 AbstractCegarLoop]: Abstraction has 52787 states and 145078 transitions. [2022-01-18 11:40:54,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:40:54,442 INFO L276 IsEmpty]: Start isEmpty. Operand 52787 states and 145078 transitions. [2022-01-18 11:40:54,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:40:54,510 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:40:54,510 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:40:54,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 11:40:54,511 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:40:54,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:40:54,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1648792576, now seen corresponding path program 3 times [2022-01-18 11:40:54,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:40:54,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806489120] [2022-01-18 11:40:54,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:40:54,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:40:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:40:54,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:40:54,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:40:54,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806489120] [2022-01-18 11:40:54,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806489120] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:40:54,866 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:40:54,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:40:54,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376877341] [2022-01-18 11:40:54,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:40:54,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:40:54,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:40:54,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:40:54,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:40:54,867 INFO L87 Difference]: Start difference. First operand 52787 states and 145078 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:40:57,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:40:57,913 INFO L93 Difference]: Finished difference Result 114160 states and 314697 transitions. [2022-01-18 11:40:57,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-18 11:40:57,914 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:40:57,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:40:58,410 INFO L225 Difference]: With dead ends: 114160 [2022-01-18 11:40:58,410 INFO L226 Difference]: Without dead ends: 113994 [2022-01-18 11:40:58,411 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 563 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=639, Invalid=2013, Unknown=0, NotChecked=0, Total=2652 [2022-01-18 11:40:58,412 INFO L933 BasicCegarLoop]: 942 mSDtfsCounter, 2903 mSDsluCounter, 11429 mSDsCounter, 0 mSdLazyCounter, 2041 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2903 SdHoareTripleChecker+Valid, 12255 SdHoareTripleChecker+Invalid, 2108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 2041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:40:58,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2903 Valid, 12255 Invalid, 2108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 2041 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:40:58,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113994 states. [2022-01-18 11:40:59,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113994 to 52755. [2022-01-18 11:40:59,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52755 states, 52754 states have (on average 2.748341358001289) internal successors, (144986), 52754 states have internal predecessors, (144986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:40:59,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52755 states to 52755 states and 144986 transitions. [2022-01-18 11:40:59,892 INFO L78 Accepts]: Start accepts. Automaton has 52755 states and 144986 transitions. Word has length 163 [2022-01-18 11:40:59,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:40:59,892 INFO L470 AbstractCegarLoop]: Abstraction has 52755 states and 144986 transitions. [2022-01-18 11:40:59,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:40:59,892 INFO L276 IsEmpty]: Start isEmpty. Operand 52755 states and 144986 transitions. [2022-01-18 11:40:59,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:40:59,947 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:40:59,947 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:40:59,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 11:40:59,948 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:40:59,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:40:59,948 INFO L85 PathProgramCache]: Analyzing trace with hash -213341440, now seen corresponding path program 4 times [2022-01-18 11:40:59,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:40:59,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320333307] [2022-01-18 11:40:59,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:40:59,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:40:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:41:00,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:41:00,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:41:00,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320333307] [2022-01-18 11:41:00,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320333307] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:41:00,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:41:00,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:41:00,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235306092] [2022-01-18 11:41:00,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:41:00,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:41:00,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:41:00,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:41:00,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:41:00,216 INFO L87 Difference]: Start difference. First operand 52755 states and 144986 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:02,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:41:02,821 INFO L93 Difference]: Finished difference Result 114409 states and 315320 transitions. [2022-01-18 11:41:02,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-18 11:41:02,822 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:41:02,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:41:03,048 INFO L225 Difference]: With dead ends: 114409 [2022-01-18 11:41:03,049 INFO L226 Difference]: Without dead ends: 114126 [2022-01-18 11:41:03,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=529, Invalid=2227, Unknown=0, NotChecked=0, Total=2756 [2022-01-18 11:41:03,054 INFO L933 BasicCegarLoop]: 964 mSDtfsCounter, 2989 mSDsluCounter, 12131 mSDsCounter, 0 mSdLazyCounter, 2186 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2989 SdHoareTripleChecker+Valid, 12967 SdHoareTripleChecker+Invalid, 2233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:41:03,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2989 Valid, 12967 Invalid, 2233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2186 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-18 11:41:03,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114126 states. [2022-01-18 11:41:04,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114126 to 52583. [2022-01-18 11:41:04,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52583 states, 52582 states have (on average 2.7486402190863792) internal successors, (144529), 52582 states have internal predecessors, (144529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:04,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52583 states to 52583 states and 144529 transitions. [2022-01-18 11:41:04,843 INFO L78 Accepts]: Start accepts. Automaton has 52583 states and 144529 transitions. Word has length 163 [2022-01-18 11:41:04,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:41:04,843 INFO L470 AbstractCegarLoop]: Abstraction has 52583 states and 144529 transitions. [2022-01-18 11:41:04,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:04,843 INFO L276 IsEmpty]: Start isEmpty. Operand 52583 states and 144529 transitions. [2022-01-18 11:41:04,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:41:04,899 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:41:04,900 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:41:04,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 11:41:04,900 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:41:04,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:41:04,900 INFO L85 PathProgramCache]: Analyzing trace with hash -839844128, now seen corresponding path program 5 times [2022-01-18 11:41:04,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:41:04,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952593420] [2022-01-18 11:41:04,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:41:04,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:41:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:41:05,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:41:05,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:41:05,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952593420] [2022-01-18 11:41:05,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952593420] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:41:05,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:41:05,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:41:05,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89944479] [2022-01-18 11:41:05,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:41:05,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:41:05,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:41:05,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:41:05,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:41:05,211 INFO L87 Difference]: Start difference. First operand 52583 states and 144529 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:07,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:41:07,677 INFO L93 Difference]: Finished difference Result 116746 states and 321715 transitions. [2022-01-18 11:41:07,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:41:07,679 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:41:07,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:41:07,896 INFO L225 Difference]: With dead ends: 116746 [2022-01-18 11:41:07,896 INFO L226 Difference]: Without dead ends: 116607 [2022-01-18 11:41:07,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 909 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=726, Invalid=2814, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 11:41:07,898 INFO L933 BasicCegarLoop]: 942 mSDtfsCounter, 3541 mSDsluCounter, 11061 mSDsCounter, 0 mSdLazyCounter, 2115 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3541 SdHoareTripleChecker+Valid, 11903 SdHoareTripleChecker+Invalid, 2158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 2115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:41:07,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3541 Valid, 11903 Invalid, 2158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 2115 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:41:08,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116607 states. [2022-01-18 11:41:09,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116607 to 52635. [2022-01-18 11:41:09,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52635 states, 52634 states have (on average 2.748413572975643) internal successors, (144660), 52634 states have internal predecessors, (144660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:09,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52635 states to 52635 states and 144660 transitions. [2022-01-18 11:41:09,436 INFO L78 Accepts]: Start accepts. Automaton has 52635 states and 144660 transitions. Word has length 163 [2022-01-18 11:41:09,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:41:09,436 INFO L470 AbstractCegarLoop]: Abstraction has 52635 states and 144660 transitions. [2022-01-18 11:41:09,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:09,437 INFO L276 IsEmpty]: Start isEmpty. Operand 52635 states and 144660 transitions. [2022-01-18 11:41:09,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:41:09,488 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:41:09,488 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:41:09,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 11:41:09,488 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:41:09,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:41:09,489 INFO L85 PathProgramCache]: Analyzing trace with hash -40224996, now seen corresponding path program 6 times [2022-01-18 11:41:09,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:41:09,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564465247] [2022-01-18 11:41:09,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:41:09,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:41:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:41:09,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:41:09,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:41:09,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564465247] [2022-01-18 11:41:09,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564465247] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:41:09,746 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:41:09,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:41:09,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483880600] [2022-01-18 11:41:09,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:41:09,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:41:09,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:41:09,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:41:09,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:41:09,747 INFO L87 Difference]: Start difference. First operand 52635 states and 144660 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:11,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:41:11,952 INFO L93 Difference]: Finished difference Result 116718 states and 321635 transitions. [2022-01-18 11:41:11,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 11:41:11,958 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:41:11,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:41:12,183 INFO L225 Difference]: With dead ends: 116718 [2022-01-18 11:41:12,183 INFO L226 Difference]: Without dead ends: 116552 [2022-01-18 11:41:12,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 735 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=633, Invalid=2447, Unknown=0, NotChecked=0, Total=3080 [2022-01-18 11:41:12,187 INFO L933 BasicCegarLoop]: 938 mSDtfsCounter, 3462 mSDsluCounter, 11040 mSDsCounter, 0 mSdLazyCounter, 2101 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3462 SdHoareTripleChecker+Valid, 11880 SdHoareTripleChecker+Invalid, 2133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:41:12,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3462 Valid, 11880 Invalid, 2133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2101 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:41:12,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116552 states. [2022-01-18 11:41:13,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116552 to 52599. [2022-01-18 11:41:13,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52599 states, 52598 states have (on average 2.7484124871668123) internal successors, (144561), 52598 states have internal predecessors, (144561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:13,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52599 states to 52599 states and 144561 transitions. [2022-01-18 11:41:13,956 INFO L78 Accepts]: Start accepts. Automaton has 52599 states and 144561 transitions. Word has length 163 [2022-01-18 11:41:13,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:41:13,956 INFO L470 AbstractCegarLoop]: Abstraction has 52599 states and 144561 transitions. [2022-01-18 11:41:13,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:13,956 INFO L276 IsEmpty]: Start isEmpty. Operand 52599 states and 144561 transitions. [2022-01-18 11:41:14,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:41:14,013 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:41:14,013 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:41:14,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-18 11:41:14,013 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:41:14,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:41:14,014 INFO L85 PathProgramCache]: Analyzing trace with hash -320954912, now seen corresponding path program 7 times [2022-01-18 11:41:14,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:41:14,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843321141] [2022-01-18 11:41:14,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:41:14,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:41:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:41:14,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:41:14,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:41:14,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843321141] [2022-01-18 11:41:14,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843321141] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:41:14,312 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:41:14,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:41:14,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551976594] [2022-01-18 11:41:14,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:41:14,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:41:14,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:41:14,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:41:14,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:41:14,313 INFO L87 Difference]: Start difference. First operand 52599 states and 144561 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:17,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:41:17,174 INFO L93 Difference]: Finished difference Result 116663 states and 321481 transitions. [2022-01-18 11:41:17,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:41:17,175 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:41:17,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:41:17,407 INFO L225 Difference]: With dead ends: 116663 [2022-01-18 11:41:17,407 INFO L226 Difference]: Without dead ends: 116493 [2022-01-18 11:41:17,408 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 904 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=709, Invalid=2831, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 11:41:17,410 INFO L933 BasicCegarLoop]: 962 mSDtfsCounter, 3155 mSDsluCounter, 12340 mSDsCounter, 0 mSdLazyCounter, 2313 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3155 SdHoareTripleChecker+Valid, 13178 SdHoareTripleChecker+Invalid, 2347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 11:41:17,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3155 Valid, 13178 Invalid, 2347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2313 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-18 11:41:17,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116493 states. [2022-01-18 11:41:18,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116493 to 52587. [2022-01-18 11:41:18,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52587 states, 52586 states have (on average 2.748564256646256) internal successors, (144536), 52586 states have internal predecessors, (144536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:19,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52587 states to 52587 states and 144536 transitions. [2022-01-18 11:41:19,125 INFO L78 Accepts]: Start accepts. Automaton has 52587 states and 144536 transitions. Word has length 163 [2022-01-18 11:41:19,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:41:19,125 INFO L470 AbstractCegarLoop]: Abstraction has 52587 states and 144536 transitions. [2022-01-18 11:41:19,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:19,125 INFO L276 IsEmpty]: Start isEmpty. Operand 52587 states and 144536 transitions. [2022-01-18 11:41:19,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:41:19,181 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:41:19,182 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:41:19,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-18 11:41:19,182 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:41:19,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:41:19,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1647961572, now seen corresponding path program 8 times [2022-01-18 11:41:19,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:41:19,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281606360] [2022-01-18 11:41:19,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:41:19,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:41:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:41:19,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:41:19,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:41:19,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281606360] [2022-01-18 11:41:19,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281606360] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:41:19,472 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:41:19,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:41:19,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765236307] [2022-01-18 11:41:19,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:41:19,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:41:19,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:41:19,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:41:19,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:41:19,473 INFO L87 Difference]: Start difference. First operand 52587 states and 144536 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:22,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:41:22,344 INFO L93 Difference]: Finished difference Result 116879 states and 322124 transitions. [2022-01-18 11:41:22,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-18 11:41:22,344 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:41:22,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:41:22,585 INFO L225 Difference]: With dead ends: 116879 [2022-01-18 11:41:22,585 INFO L226 Difference]: Without dead ends: 116740 [2022-01-18 11:41:22,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=691, Invalid=2615, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 11:41:22,586 INFO L933 BasicCegarLoop]: 941 mSDtfsCounter, 3453 mSDsluCounter, 11107 mSDsCounter, 0 mSdLazyCounter, 2085 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3453 SdHoareTripleChecker+Valid, 11947 SdHoareTripleChecker+Invalid, 2128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 2085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 11:41:22,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3453 Valid, 11947 Invalid, 2128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 2085 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 11:41:22,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116740 states. [2022-01-18 11:41:23,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116740 to 52635. [2022-01-18 11:41:24,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52635 states, 52634 states have (on average 2.7483375764714824) internal successors, (144656), 52634 states have internal predecessors, (144656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:24,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52635 states to 52635 states and 144656 transitions. [2022-01-18 11:41:24,409 INFO L78 Accepts]: Start accepts. Automaton has 52635 states and 144656 transitions. Word has length 163 [2022-01-18 11:41:24,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:41:24,409 INFO L470 AbstractCegarLoop]: Abstraction has 52635 states and 144656 transitions. [2022-01-18 11:41:24,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:24,409 INFO L276 IsEmpty]: Start isEmpty. Operand 52635 states and 144656 transitions. [2022-01-18 11:41:24,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:41:24,456 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:41:24,456 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:41:24,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-18 11:41:24,456 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:41:24,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:41:24,457 INFO L85 PathProgramCache]: Analyzing trace with hash -848342440, now seen corresponding path program 9 times [2022-01-18 11:41:24,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:41:24,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014186458] [2022-01-18 11:41:24,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:41:24,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:41:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:41:24,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:41:24,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:41:24,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014186458] [2022-01-18 11:41:24,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014186458] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:41:24,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:41:24,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:41:24,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191619824] [2022-01-18 11:41:24,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:41:24,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:41:24,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:41:24,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:41:24,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:41:24,739 INFO L87 Difference]: Start difference. First operand 52635 states and 144656 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:26,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:41:26,821 INFO L93 Difference]: Finished difference Result 116870 states and 322094 transitions. [2022-01-18 11:41:26,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 11:41:26,822 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:41:26,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:41:27,324 INFO L225 Difference]: With dead ends: 116870 [2022-01-18 11:41:27,324 INFO L226 Difference]: Without dead ends: 116704 [2022-01-18 11:41:27,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 757 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=637, Invalid=2555, Unknown=0, NotChecked=0, Total=3192 [2022-01-18 11:41:27,328 INFO L933 BasicCegarLoop]: 944 mSDtfsCounter, 3012 mSDsluCounter, 12317 mSDsCounter, 0 mSdLazyCounter, 2228 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3012 SdHoareTripleChecker+Valid, 13131 SdHoareTripleChecker+Invalid, 2257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:41:27,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3012 Valid, 13131 Invalid, 2257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2228 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:41:27,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116704 states. [2022-01-18 11:41:28,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116704 to 52599. [2022-01-18 11:41:28,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52599 states, 52598 states have (on average 2.7483364386478573) internal successors, (144557), 52598 states have internal predecessors, (144557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:28,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52599 states to 52599 states and 144557 transitions. [2022-01-18 11:41:28,780 INFO L78 Accepts]: Start accepts. Automaton has 52599 states and 144557 transitions. Word has length 163 [2022-01-18 11:41:28,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:41:28,780 INFO L470 AbstractCegarLoop]: Abstraction has 52599 states and 144557 transitions. [2022-01-18 11:41:28,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:28,781 INFO L276 IsEmpty]: Start isEmpty. Operand 52599 states and 144557 transitions. [2022-01-18 11:41:28,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:41:28,832 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:41:28,832 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:41:28,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-18 11:41:28,833 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:41:28,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:41:28,833 INFO L85 PathProgramCache]: Analyzing trace with hash -579707424, now seen corresponding path program 10 times [2022-01-18 11:41:28,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:41:28,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39642420] [2022-01-18 11:41:28,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:41:28,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:41:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:41:29,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:41:29,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:41:29,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39642420] [2022-01-18 11:41:29,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39642420] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:41:29,127 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:41:29,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:41:29,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967256285] [2022-01-18 11:41:29,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:41:29,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:41:29,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:41:29,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:41:29,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:41:29,129 INFO L87 Difference]: Start difference. First operand 52599 states and 144557 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:31,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:41:31,515 INFO L93 Difference]: Finished difference Result 116929 states and 322264 transitions. [2022-01-18 11:41:31,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 11:41:31,515 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:41:31,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:41:31,802 INFO L225 Difference]: With dead ends: 116929 [2022-01-18 11:41:31,803 INFO L226 Difference]: Without dead ends: 116715 [2022-01-18 11:41:31,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=602, Invalid=2478, Unknown=0, NotChecked=0, Total=3080 [2022-01-18 11:41:31,804 INFO L933 BasicCegarLoop]: 963 mSDtfsCounter, 2980 mSDsluCounter, 12077 mSDsCounter, 0 mSdLazyCounter, 2220 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2980 SdHoareTripleChecker+Valid, 12916 SdHoareTripleChecker+Invalid, 2248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:41:31,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2980 Valid, 12916 Invalid, 2248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2220 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:41:31,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116715 states. [2022-01-18 11:41:33,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116715 to 52531. [2022-01-18 11:41:33,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52531 states, 52530 states have (on average 2.7486388730249383) internal successors, (144386), 52530 states have internal predecessors, (144386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:33,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52531 states to 52531 states and 144386 transitions. [2022-01-18 11:41:33,426 INFO L78 Accepts]: Start accepts. Automaton has 52531 states and 144386 transitions. Word has length 163 [2022-01-18 11:41:33,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:41:33,426 INFO L470 AbstractCegarLoop]: Abstraction has 52531 states and 144386 transitions. [2022-01-18 11:41:33,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:33,426 INFO L276 IsEmpty]: Start isEmpty. Operand 52531 states and 144386 transitions. [2022-01-18 11:41:33,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:41:33,481 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:41:33,481 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:41:33,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-18 11:41:33,482 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:41:33,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:41:33,482 INFO L85 PathProgramCache]: Analyzing trace with hash -402189598, now seen corresponding path program 11 times [2022-01-18 11:41:33,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:41:33,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002846868] [2022-01-18 11:41:33,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:41:33,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:41:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:41:33,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:41:33,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:41:33,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002846868] [2022-01-18 11:41:33,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002846868] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:41:33,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:41:33,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:41:33,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945416253] [2022-01-18 11:41:33,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:41:33,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:41:33,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:41:33,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:41:33,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:41:33,837 INFO L87 Difference]: Start difference. First operand 52531 states and 144386 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:36,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:41:36,339 INFO L93 Difference]: Finished difference Result 122951 states and 338740 transitions. [2022-01-18 11:41:36,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:41:36,340 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:41:36,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:41:36,569 INFO L225 Difference]: With dead ends: 122951 [2022-01-18 11:41:36,569 INFO L226 Difference]: Without dead ends: 122812 [2022-01-18 11:41:36,570 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 972 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=758, Invalid=2902, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 11:41:36,570 INFO L933 BasicCegarLoop]: 962 mSDtfsCounter, 3270 mSDsluCounter, 12192 mSDsCounter, 0 mSdLazyCounter, 2324 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3270 SdHoareTripleChecker+Valid, 13036 SdHoareTripleChecker+Invalid, 2365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 2324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:41:36,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3270 Valid, 13036 Invalid, 2365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 2324 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:41:36,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122812 states. [2022-01-18 11:41:37,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122812 to 52635. [2022-01-18 11:41:37,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52635 states, 52634 states have (on average 2.748413572975643) internal successors, (144660), 52634 states have internal predecessors, (144660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:38,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52635 states to 52635 states and 144660 transitions. [2022-01-18 11:41:38,058 INFO L78 Accepts]: Start accepts. Automaton has 52635 states and 144660 transitions. Word has length 163 [2022-01-18 11:41:38,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:41:38,058 INFO L470 AbstractCegarLoop]: Abstraction has 52635 states and 144660 transitions. [2022-01-18 11:41:38,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:38,059 INFO L276 IsEmpty]: Start isEmpty. Operand 52635 states and 144660 transitions. [2022-01-18 11:41:38,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:41:38,105 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:41:38,105 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:41:38,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-18 11:41:38,105 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:41:38,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:41:38,106 INFO L85 PathProgramCache]: Analyzing trace with hash 397429534, now seen corresponding path program 12 times [2022-01-18 11:41:38,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:41:38,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702925673] [2022-01-18 11:41:38,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:41:38,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:41:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:41:38,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:41:38,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:41:38,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702925673] [2022-01-18 11:41:38,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702925673] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:41:38,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:41:38,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:41:38,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061745972] [2022-01-18 11:41:38,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:41:38,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:41:38,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:41:38,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:41:38,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:41:38,383 INFO L87 Difference]: Start difference. First operand 52635 states and 144660 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:40,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:41:40,588 INFO L93 Difference]: Finished difference Result 122923 states and 338660 transitions. [2022-01-18 11:41:40,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 11:41:40,589 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:41:40,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:41:40,826 INFO L225 Difference]: With dead ends: 122923 [2022-01-18 11:41:40,826 INFO L226 Difference]: Without dead ends: 122757 [2022-01-18 11:41:40,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=661, Invalid=2531, Unknown=0, NotChecked=0, Total=3192 [2022-01-18 11:41:40,828 INFO L933 BasicCegarLoop]: 958 mSDtfsCounter, 3599 mSDsluCounter, 11316 mSDsCounter, 0 mSdLazyCounter, 2178 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3599 SdHoareTripleChecker+Valid, 12175 SdHoareTripleChecker+Invalid, 2209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:41:40,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3599 Valid, 12175 Invalid, 2209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2178 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:41:41,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122757 states. [2022-01-18 11:41:42,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122757 to 52599. [2022-01-18 11:41:42,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52599 states, 52598 states have (on average 2.7484124871668123) internal successors, (144561), 52598 states have internal predecessors, (144561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:42,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52599 states to 52599 states and 144561 transitions. [2022-01-18 11:41:42,464 INFO L78 Accepts]: Start accepts. Automaton has 52599 states and 144561 transitions. Word has length 163 [2022-01-18 11:41:42,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:41:42,464 INFO L470 AbstractCegarLoop]: Abstraction has 52599 states and 144561 transitions. [2022-01-18 11:41:42,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:42,465 INFO L276 IsEmpty]: Start isEmpty. Operand 52599 states and 144561 transitions. [2022-01-18 11:41:42,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:41:42,519 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:41:42,519 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:41:42,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-18 11:41:42,519 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:41:42,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:41:42,519 INFO L85 PathProgramCache]: Analyzing trace with hash 116699618, now seen corresponding path program 13 times [2022-01-18 11:41:42,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:41:42,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522273989] [2022-01-18 11:41:42,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:41:42,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:41:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:41:42,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:41:42,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:41:42,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522273989] [2022-01-18 11:41:42,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522273989] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:41:42,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:41:42,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:41:42,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080872208] [2022-01-18 11:41:42,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:41:42,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:41:42,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:41:42,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:41:42,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:41:42,745 INFO L87 Difference]: Start difference. First operand 52599 states and 144561 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:45,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:41:45,338 INFO L93 Difference]: Finished difference Result 123282 states and 339460 transitions. [2022-01-18 11:41:45,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:41:45,339 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:41:45,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:41:45,585 INFO L225 Difference]: With dead ends: 123282 [2022-01-18 11:41:45,585 INFO L226 Difference]: Without dead ends: 123112 [2022-01-18 11:41:45,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 970 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=739, Invalid=2921, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 11:41:45,587 INFO L933 BasicCegarLoop]: 982 mSDtfsCounter, 3561 mSDsluCounter, 11418 mSDsCounter, 0 mSdLazyCounter, 2248 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3561 SdHoareTripleChecker+Valid, 12298 SdHoareTripleChecker+Invalid, 2280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:41:45,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3561 Valid, 12298 Invalid, 2280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2248 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-18 11:41:46,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123112 states. [2022-01-18 11:41:47,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123112 to 52587. [2022-01-18 11:41:47,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52587 states, 52586 states have (on average 2.748564256646256) internal successors, (144536), 52586 states have internal predecessors, (144536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:47,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52587 states to 52587 states and 144536 transitions. [2022-01-18 11:41:47,558 INFO L78 Accepts]: Start accepts. Automaton has 52587 states and 144536 transitions. Word has length 163 [2022-01-18 11:41:47,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:41:47,558 INFO L470 AbstractCegarLoop]: Abstraction has 52587 states and 144536 transitions. [2022-01-18 11:41:47,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:47,559 INFO L276 IsEmpty]: Start isEmpty. Operand 52587 states and 144536 transitions. [2022-01-18 11:41:47,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:41:47,613 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:41:47,613 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:41:47,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-18 11:41:47,613 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:41:47,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:41:47,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1210307042, now seen corresponding path program 14 times [2022-01-18 11:41:47,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:41:47,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131363490] [2022-01-18 11:41:47,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:41:47,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:41:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:41:47,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:41:47,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:41:47,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131363490] [2022-01-18 11:41:47,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131363490] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:41:47,869 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:41:47,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:41:47,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845368362] [2022-01-18 11:41:47,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:41:47,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:41:47,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:41:47,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:41:47,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:41:47,871 INFO L87 Difference]: Start difference. First operand 52587 states and 144536 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:49,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:41:49,833 INFO L93 Difference]: Finished difference Result 122503 states and 337504 transitions. [2022-01-18 11:41:49,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-18 11:41:49,833 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:41:49,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:41:50,452 INFO L225 Difference]: With dead ends: 122503 [2022-01-18 11:41:50,453 INFO L226 Difference]: Without dead ends: 122364 [2022-01-18 11:41:50,453 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 865 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=722, Invalid=2700, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:41:50,454 INFO L933 BasicCegarLoop]: 960 mSDtfsCounter, 3468 mSDsluCounter, 11991 mSDsCounter, 0 mSdLazyCounter, 2191 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3468 SdHoareTripleChecker+Valid, 12834 SdHoareTripleChecker+Invalid, 2237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 2191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:41:50,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3468 Valid, 12834 Invalid, 2237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 2191 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:41:50,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122364 states. [2022-01-18 11:41:51,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122364 to 52635. [2022-01-18 11:41:51,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52635 states, 52634 states have (on average 2.7483375764714824) internal successors, (144656), 52634 states have internal predecessors, (144656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:52,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52635 states to 52635 states and 144656 transitions. [2022-01-18 11:41:52,053 INFO L78 Accepts]: Start accepts. Automaton has 52635 states and 144656 transitions. Word has length 163 [2022-01-18 11:41:52,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:41:52,053 INFO L470 AbstractCegarLoop]: Abstraction has 52635 states and 144656 transitions. [2022-01-18 11:41:52,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:52,053 INFO L276 IsEmpty]: Start isEmpty. Operand 52635 states and 144656 transitions. [2022-01-18 11:41:52,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:41:52,105 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:41:52,105 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:41:52,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-18 11:41:52,105 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:41:52,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:41:52,106 INFO L85 PathProgramCache]: Analyzing trace with hash -410687910, now seen corresponding path program 15 times [2022-01-18 11:41:52,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:41:52,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577815279] [2022-01-18 11:41:52,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:41:52,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:41:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:41:52,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:41:52,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:41:52,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577815279] [2022-01-18 11:41:52,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577815279] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:41:52,373 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:41:52,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:41:52,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632823809] [2022-01-18 11:41:52,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:41:52,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:41:52,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:41:52,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:41:52,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:41:52,374 INFO L87 Difference]: Start difference. First operand 52635 states and 144656 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:54,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:41:54,898 INFO L93 Difference]: Finished difference Result 122479 states and 337439 transitions. [2022-01-18 11:41:54,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-18 11:41:54,899 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:41:54,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:41:55,209 INFO L225 Difference]: With dead ends: 122479 [2022-01-18 11:41:55,209 INFO L226 Difference]: Without dead ends: 122313 [2022-01-18 11:41:55,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 819 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=667, Invalid=2639, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 11:41:55,211 INFO L933 BasicCegarLoop]: 963 mSDtfsCounter, 3214 mSDsluCounter, 12542 mSDsCounter, 0 mSdLazyCounter, 2294 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3214 SdHoareTripleChecker+Valid, 13376 SdHoareTripleChecker+Invalid, 2329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:41:55,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3214 Valid, 13376 Invalid, 2329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2294 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:41:55,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122313 states. [2022-01-18 11:41:56,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122313 to 52599. [2022-01-18 11:41:56,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52599 states, 52598 states have (on average 2.7483364386478573) internal successors, (144557), 52598 states have internal predecessors, (144557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:56,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52599 states to 52599 states and 144557 transitions. [2022-01-18 11:41:56,783 INFO L78 Accepts]: Start accepts. Automaton has 52599 states and 144557 transitions. Word has length 163 [2022-01-18 11:41:56,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:41:56,783 INFO L470 AbstractCegarLoop]: Abstraction has 52599 states and 144557 transitions. [2022-01-18 11:41:56,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:56,784 INFO L276 IsEmpty]: Start isEmpty. Operand 52599 states and 144557 transitions. [2022-01-18 11:41:56,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:41:56,836 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:41:56,836 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:41:56,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-18 11:41:56,836 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:41:56,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:41:56,837 INFO L85 PathProgramCache]: Analyzing trace with hash -142052894, now seen corresponding path program 16 times [2022-01-18 11:41:56,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:41:56,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786720281] [2022-01-18 11:41:56,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:41:56,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:41:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:41:57,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:41:57,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:41:57,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786720281] [2022-01-18 11:41:57,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786720281] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:41:57,075 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:41:57,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:41:57,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225750426] [2022-01-18 11:41:57,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:41:57,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:41:57,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:41:57,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:41:57,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:41:57,076 INFO L87 Difference]: Start difference. First operand 52599 states and 144557 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:41:59,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:41:59,363 INFO L93 Difference]: Finished difference Result 122427 states and 337296 transitions. [2022-01-18 11:41:59,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 11:41:59,364 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:41:59,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:41:59,632 INFO L225 Difference]: With dead ends: 122427 [2022-01-18 11:41:59,632 INFO L226 Difference]: Without dead ends: 122265 [2022-01-18 11:41:59,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 782 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=631, Invalid=2561, Unknown=0, NotChecked=0, Total=3192 [2022-01-18 11:41:59,640 INFO L933 BasicCegarLoop]: 982 mSDtfsCounter, 3301 mSDsluCounter, 12299 mSDsCounter, 0 mSdLazyCounter, 2289 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3301 SdHoareTripleChecker+Valid, 13156 SdHoareTripleChecker+Invalid, 2323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:41:59,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3301 Valid, 13156 Invalid, 2323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2289 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:41:59,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122265 states. [2022-01-18 11:42:01,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122265 to 52583. [2022-01-18 11:42:01,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52583 states, 52582 states have (on average 2.748564147426876) internal successors, (144525), 52582 states have internal predecessors, (144525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:01,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52583 states to 52583 states and 144525 transitions. [2022-01-18 11:42:01,254 INFO L78 Accepts]: Start accepts. Automaton has 52583 states and 144525 transitions. Word has length 163 [2022-01-18 11:42:01,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:42:01,255 INFO L470 AbstractCegarLoop]: Abstraction has 52583 states and 144525 transitions. [2022-01-18 11:42:01,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:01,255 INFO L276 IsEmpty]: Start isEmpty. Operand 52583 states and 144525 transitions. [2022-01-18 11:42:01,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:42:01,310 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:42:01,310 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:42:01,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-18 11:42:01,310 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:42:01,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:42:01,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1671430020, now seen corresponding path program 17 times [2022-01-18 11:42:01,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:42:01,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248707891] [2022-01-18 11:42:01,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:42:01,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:42:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:42:01,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:42:01,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:42:01,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248707891] [2022-01-18 11:42:01,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248707891] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:42:01,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:42:01,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-01-18 11:42:01,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859395082] [2022-01-18 11:42:01,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:42:01,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-01-18 11:42:01,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:42:01,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-01-18 11:42:01,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2022-01-18 11:42:01,596 INFO L87 Difference]: Start difference. First operand 52583 states and 144525 transitions. Second operand has 20 states, 20 states have (on average 8.15) internal successors, (163), 20 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:04,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:42:04,270 INFO L93 Difference]: Finished difference Result 163851 states and 452425 transitions. [2022-01-18 11:42:04,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 11:42:04,270 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 8.15) internal successors, (163), 20 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:42:04,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:42:04,634 INFO L225 Difference]: With dead ends: 163851 [2022-01-18 11:42:04,634 INFO L226 Difference]: Without dead ends: 163628 [2022-01-18 11:42:04,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 480 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2022-01-18 11:42:04,635 INFO L933 BasicCegarLoop]: 926 mSDtfsCounter, 3854 mSDsluCounter, 11686 mSDsCounter, 0 mSdLazyCounter, 2730 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3854 SdHoareTripleChecker+Valid, 12511 SdHoareTripleChecker+Invalid, 2780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:42:04,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3854 Valid, 12511 Invalid, 2780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2730 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-18 11:42:04,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163628 states. [2022-01-18 11:42:06,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163628 to 52807. [2022-01-18 11:42:06,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52807 states, 52806 states have (on average 2.748267242358823) internal successors, (145125), 52806 states have internal predecessors, (145125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:06,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52807 states to 52807 states and 145125 transitions. [2022-01-18 11:42:06,543 INFO L78 Accepts]: Start accepts. Automaton has 52807 states and 145125 transitions. Word has length 163 [2022-01-18 11:42:06,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:42:06,543 INFO L470 AbstractCegarLoop]: Abstraction has 52807 states and 145125 transitions. [2022-01-18 11:42:06,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.15) internal successors, (163), 20 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:06,544 INFO L276 IsEmpty]: Start isEmpty. Operand 52807 states and 145125 transitions. [2022-01-18 11:42:06,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:42:06,590 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:42:06,590 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:42:06,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-18 11:42:06,591 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:42:06,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:42:06,591 INFO L85 PathProgramCache]: Analyzing trace with hash 737764092, now seen corresponding path program 18 times [2022-01-18 11:42:06,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:42:06,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169461642] [2022-01-18 11:42:06,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:42:06,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:42:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:42:07,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:42:07,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:42:07,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169461642] [2022-01-18 11:42:07,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169461642] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:42:07,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:42:07,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:42:07,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853952083] [2022-01-18 11:42:07,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:42:07,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:42:07,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:42:07,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:42:07,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:42:07,233 INFO L87 Difference]: Start difference. First operand 52807 states and 145125 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:09,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:42:09,355 INFO L93 Difference]: Finished difference Result 120231 states and 331152 transitions. [2022-01-18 11:42:09,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-18 11:42:09,355 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:42:09,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:42:09,582 INFO L225 Difference]: With dead ends: 120231 [2022-01-18 11:42:09,582 INFO L226 Difference]: Without dead ends: 120089 [2022-01-18 11:42:09,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 815 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=636, Invalid=2670, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 11:42:09,598 INFO L933 BasicCegarLoop]: 981 mSDtfsCounter, 3452 mSDsluCounter, 12058 mSDsCounter, 0 mSdLazyCounter, 2334 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3452 SdHoareTripleChecker+Valid, 12921 SdHoareTripleChecker+Invalid, 2360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:42:09,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3452 Valid, 12921 Invalid, 2360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2334 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:42:09,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120089 states. [2022-01-18 11:42:10,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120089 to 52795. [2022-01-18 11:42:10,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52795 states, 52794 states have (on average 2.748266848505512) internal successors, (145092), 52794 states have internal predecessors, (145092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:11,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52795 states to 52795 states and 145092 transitions. [2022-01-18 11:42:11,061 INFO L78 Accepts]: Start accepts. Automaton has 52795 states and 145092 transitions. Word has length 163 [2022-01-18 11:42:11,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:42:11,061 INFO L470 AbstractCegarLoop]: Abstraction has 52795 states and 145092 transitions. [2022-01-18 11:42:11,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:11,062 INFO L276 IsEmpty]: Start isEmpty. Operand 52795 states and 145092 transitions. [2022-01-18 11:42:11,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:42:11,405 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:42:11,405 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:42:11,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-18 11:42:11,405 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:42:11,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:42:11,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1454437458, now seen corresponding path program 19 times [2022-01-18 11:42:11,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:42:11,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063208944] [2022-01-18 11:42:11,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:42:11,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:42:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:42:11,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:42:11,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:42:11,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063208944] [2022-01-18 11:42:11,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063208944] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:42:11,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:42:11,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:42:11,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268729903] [2022-01-18 11:42:11,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:42:11,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:42:11,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:42:11,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:42:11,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:42:11,625 INFO L87 Difference]: Start difference. First operand 52795 states and 145092 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:13,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:42:13,789 INFO L93 Difference]: Finished difference Result 119782 states and 329986 transitions. [2022-01-18 11:42:13,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-18 11:42:13,789 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:42:13,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:42:14,016 INFO L225 Difference]: With dead ends: 119782 [2022-01-18 11:42:14,016 INFO L226 Difference]: Without dead ends: 118521 [2022-01-18 11:42:14,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 873 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=646, Invalid=2776, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:42:14,017 INFO L933 BasicCegarLoop]: 1003 mSDtfsCounter, 3149 mSDsluCounter, 12272 mSDsCounter, 0 mSdLazyCounter, 2447 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3149 SdHoareTripleChecker+Valid, 13158 SdHoareTripleChecker+Invalid, 2473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:42:14,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3149 Valid, 13158 Invalid, 2473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2447 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:42:14,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118521 states. [2022-01-18 11:42:15,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118521 to 51855. [2022-01-18 11:42:15,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51855 states, 51854 states have (on average 2.748621128553246) internal successors, (142527), 51854 states have internal predecessors, (142527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:15,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51855 states to 51855 states and 142527 transitions. [2022-01-18 11:42:15,734 INFO L78 Accepts]: Start accepts. Automaton has 51855 states and 142527 transitions. Word has length 163 [2022-01-18 11:42:15,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:42:15,734 INFO L470 AbstractCegarLoop]: Abstraction has 51855 states and 142527 transitions. [2022-01-18 11:42:15,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:15,734 INFO L276 IsEmpty]: Start isEmpty. Operand 51855 states and 142527 transitions. [2022-01-18 11:42:15,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:42:15,797 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:42:15,797 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:42:15,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-18 11:42:15,797 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:42:15,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:42:15,799 INFO L85 PathProgramCache]: Analyzing trace with hash 422667174, now seen corresponding path program 20 times [2022-01-18 11:42:15,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:42:15,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196804717] [2022-01-18 11:42:15,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:42:15,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:42:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:42:16,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:42:16,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:42:16,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196804717] [2022-01-18 11:42:16,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196804717] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:42:16,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:42:16,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:42:16,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610522291] [2022-01-18 11:42:16,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:42:16,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:42:16,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:42:16,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:42:16,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:42:16,103 INFO L87 Difference]: Start difference. First operand 51855 states and 142527 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:18,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:42:18,280 INFO L93 Difference]: Finished difference Result 118841 states and 327152 transitions. [2022-01-18 11:42:18,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 11:42:18,280 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:42:18,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:42:18,503 INFO L225 Difference]: With dead ends: 118841 [2022-01-18 11:42:18,503 INFO L226 Difference]: Without dead ends: 118417 [2022-01-18 11:42:18,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 744 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=612, Invalid=2468, Unknown=0, NotChecked=0, Total=3080 [2022-01-18 11:42:18,504 INFO L933 BasicCegarLoop]: 961 mSDtfsCounter, 3407 mSDsluCounter, 11707 mSDsCounter, 0 mSdLazyCounter, 2329 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3407 SdHoareTripleChecker+Valid, 12553 SdHoareTripleChecker+Invalid, 2362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:42:18,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3407 Valid, 12553 Invalid, 2362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2329 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:42:18,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118417 states. [2022-01-18 11:42:19,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118417 to 51871. [2022-01-18 11:42:19,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51871 states, 51870 states have (on average 2.748544438018122) internal successors, (142567), 51870 states have internal predecessors, (142567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:19,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51871 states to 51871 states and 142567 transitions. [2022-01-18 11:42:19,955 INFO L78 Accepts]: Start accepts. Automaton has 51871 states and 142567 transitions. Word has length 163 [2022-01-18 11:42:19,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:42:19,956 INFO L470 AbstractCegarLoop]: Abstraction has 51871 states and 142567 transitions. [2022-01-18 11:42:19,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:19,956 INFO L276 IsEmpty]: Start isEmpty. Operand 51871 states and 142567 transitions. [2022-01-18 11:42:20,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:42:20,302 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:42:20,302 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:42:20,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-18 11:42:20,303 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:42:20,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:42:20,303 INFO L85 PathProgramCache]: Analyzing trace with hash -2017143812, now seen corresponding path program 21 times [2022-01-18 11:42:20,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:42:20,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209861952] [2022-01-18 11:42:20,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:42:20,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:42:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:42:20,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:42:20,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:42:20,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209861952] [2022-01-18 11:42:20,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209861952] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:42:20,561 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:42:20,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:42:20,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090003060] [2022-01-18 11:42:20,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:42:20,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:42:20,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:42:20,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:42:20,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:42:20,563 INFO L87 Difference]: Start difference. First operand 51871 states and 142567 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:22,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:42:22,780 INFO L93 Difference]: Finished difference Result 120140 states and 330546 transitions. [2022-01-18 11:42:22,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:42:22,781 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:42:22,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:42:23,013 INFO L225 Difference]: With dead ends: 120140 [2022-01-18 11:42:23,014 INFO L226 Difference]: Without dead ends: 119735 [2022-01-18 11:42:23,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 906 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=676, Invalid=2864, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 11:42:23,015 INFO L933 BasicCegarLoop]: 967 mSDtfsCounter, 3252 mSDsluCounter, 12019 mSDsCounter, 0 mSdLazyCounter, 2437 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3252 SdHoareTripleChecker+Valid, 12867 SdHoareTripleChecker+Invalid, 2471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:42:23,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3252 Valid, 12867 Invalid, 2471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2437 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:42:23,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119735 states. [2022-01-18 11:42:24,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119735 to 52027. [2022-01-18 11:42:24,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52027 states, 52026 states have (on average 2.747549302271941) internal successors, (142944), 52026 states have internal predecessors, (142944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:24,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52027 states to 52027 states and 142944 transitions. [2022-01-18 11:42:24,872 INFO L78 Accepts]: Start accepts. Automaton has 52027 states and 142944 transitions. Word has length 163 [2022-01-18 11:42:24,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:42:24,872 INFO L470 AbstractCegarLoop]: Abstraction has 52027 states and 142944 transitions. [2022-01-18 11:42:24,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:24,872 INFO L276 IsEmpty]: Start isEmpty. Operand 52027 states and 142944 transitions. [2022-01-18 11:42:24,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:42:24,921 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:42:24,922 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:42:24,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-18 11:42:24,922 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:42:24,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:42:24,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1230510364, now seen corresponding path program 22 times [2022-01-18 11:42:24,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:42:24,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347445648] [2022-01-18 11:42:24,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:42:24,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:42:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:42:25,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:42:25,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:42:25,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347445648] [2022-01-18 11:42:25,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347445648] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:42:25,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:42:25,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:42:25,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803372422] [2022-01-18 11:42:25,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:42:25,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:42:25,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:42:25,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:42:25,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:42:25,190 INFO L87 Difference]: Start difference. First operand 52027 states and 142944 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:27,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:42:27,411 INFO L93 Difference]: Finished difference Result 118757 states and 327146 transitions. [2022-01-18 11:42:27,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 11:42:27,412 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:42:27,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:42:27,636 INFO L225 Difference]: With dead ends: 118757 [2022-01-18 11:42:27,636 INFO L226 Difference]: Without dead ends: 118618 [2022-01-18 11:42:27,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=640, Invalid=2552, Unknown=0, NotChecked=0, Total=3192 [2022-01-18 11:42:27,637 INFO L933 BasicCegarLoop]: 920 mSDtfsCounter, 3260 mSDsluCounter, 11176 mSDsCounter, 0 mSdLazyCounter, 2195 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3260 SdHoareTripleChecker+Valid, 11994 SdHoareTripleChecker+Invalid, 2239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:42:27,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3260 Valid, 11994 Invalid, 2239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 2195 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:42:28,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118618 states. [2022-01-18 11:42:28,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118618 to 52075. [2022-01-18 11:42:28,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52075 states, 52074 states have (on average 2.747321119944694) internal successors, (143064), 52074 states have internal predecessors, (143064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:29,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52075 states to 52075 states and 143064 transitions. [2022-01-18 11:42:29,415 INFO L78 Accepts]: Start accepts. Automaton has 52075 states and 143064 transitions. Word has length 163 [2022-01-18 11:42:29,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:42:29,416 INFO L470 AbstractCegarLoop]: Abstraction has 52075 states and 143064 transitions. [2022-01-18 11:42:29,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:29,416 INFO L276 IsEmpty]: Start isEmpty. Operand 52075 states and 143064 transitions. [2022-01-18 11:42:29,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:42:29,476 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:42:29,476 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:42:29,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-18 11:42:29,477 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:42:29,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:42:29,477 INFO L85 PathProgramCache]: Analyzing trace with hash 2030129496, now seen corresponding path program 23 times [2022-01-18 11:42:29,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:42:29,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760192123] [2022-01-18 11:42:29,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:42:29,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:42:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:42:29,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:42:29,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:42:29,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760192123] [2022-01-18 11:42:29,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760192123] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:42:29,695 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:42:29,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:42:29,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146062121] [2022-01-18 11:42:29,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:42:29,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:42:29,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:42:29,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:42:29,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:42:29,697 INFO L87 Difference]: Start difference. First operand 52075 states and 143064 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:31,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:42:31,281 INFO L93 Difference]: Finished difference Result 118681 states and 326950 transitions. [2022-01-18 11:42:31,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-18 11:42:31,282 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:42:31,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:42:31,502 INFO L225 Difference]: With dead ends: 118681 [2022-01-18 11:42:31,502 INFO L226 Difference]: Without dead ends: 118515 [2022-01-18 11:42:31,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=566, Invalid=2190, Unknown=0, NotChecked=0, Total=2756 [2022-01-18 11:42:31,503 INFO L933 BasicCegarLoop]: 916 mSDtfsCounter, 2794 mSDsluCounter, 11605 mSDsCounter, 0 mSdLazyCounter, 2274 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2794 SdHoareTripleChecker+Valid, 12417 SdHoareTripleChecker+Invalid, 2307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:42:31,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2794 Valid, 12417 Invalid, 2307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2274 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:42:32,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118515 states. [2022-01-18 11:42:33,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118515 to 52039. [2022-01-18 11:42:33,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52039 states, 52038 states have (on average 2.747319266689727) internal successors, (142965), 52038 states have internal predecessors, (142965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:33,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52039 states to 52039 states and 142965 transitions. [2022-01-18 11:42:33,290 INFO L78 Accepts]: Start accepts. Automaton has 52039 states and 142965 transitions. Word has length 163 [2022-01-18 11:42:33,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:42:33,291 INFO L470 AbstractCegarLoop]: Abstraction has 52039 states and 142965 transitions. [2022-01-18 11:42:33,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:33,291 INFO L276 IsEmpty]: Start isEmpty. Operand 52039 states and 142965 transitions. [2022-01-18 11:42:33,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:42:33,662 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:42:33,662 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:42:33,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-18 11:42:33,662 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:42:33,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:42:33,663 INFO L85 PathProgramCache]: Analyzing trace with hash 67087584, now seen corresponding path program 24 times [2022-01-18 11:42:33,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:42:33,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458137470] [2022-01-18 11:42:33,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:42:33,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:42:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:42:33,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:42:33,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:42:33,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458137470] [2022-01-18 11:42:33,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458137470] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:42:33,910 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:42:33,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:42:33,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251847545] [2022-01-18 11:42:33,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:42:33,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:42:33,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:42:33,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:42:33,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:42:33,911 INFO L87 Difference]: Start difference. First operand 52039 states and 142965 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:35,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:42:35,881 INFO L93 Difference]: Finished difference Result 119002 states and 327724 transitions. [2022-01-18 11:42:35,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-18 11:42:35,882 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:42:35,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:42:36,109 INFO L225 Difference]: With dead ends: 119002 [2022-01-18 11:42:36,109 INFO L226 Difference]: Without dead ends: 118664 [2022-01-18 11:42:36,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=625, Invalid=2567, Unknown=0, NotChecked=0, Total=3192 [2022-01-18 11:42:36,110 INFO L933 BasicCegarLoop]: 945 mSDtfsCounter, 2874 mSDsluCounter, 12211 mSDsCounter, 0 mSdLazyCounter, 2396 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2874 SdHoareTripleChecker+Valid, 13027 SdHoareTripleChecker+Invalid, 2429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:42:36,110 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2874 Valid, 13027 Invalid, 2429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2396 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:42:36,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118664 states. [2022-01-18 11:42:37,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118664 to 51859. [2022-01-18 11:42:37,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51859 states, 51858 states have (on average 2.748544101199429) internal successors, (142534), 51858 states have internal predecessors, (142534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:37,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51859 states to 51859 states and 142534 transitions. [2022-01-18 11:42:37,571 INFO L78 Accepts]: Start accepts. Automaton has 51859 states and 142534 transitions. Word has length 163 [2022-01-18 11:42:37,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:42:37,571 INFO L470 AbstractCegarLoop]: Abstraction has 51859 states and 142534 transitions. [2022-01-18 11:42:37,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:37,571 INFO L276 IsEmpty]: Start isEmpty. Operand 51859 states and 142534 transitions. [2022-01-18 11:42:37,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:42:37,617 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:42:37,617 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:42:37,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-18 11:42:37,617 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:42:37,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:42:37,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1325673540, now seen corresponding path program 25 times [2022-01-18 11:42:37,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:42:37,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766766171] [2022-01-18 11:42:37,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:42:37,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:42:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:42:38,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:42:38,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:42:38,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766766171] [2022-01-18 11:42:38,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766766171] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:42:38,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:42:38,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:42:38,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042324069] [2022-01-18 11:42:38,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:42:38,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:42:38,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:42:38,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:42:38,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:42:38,223 INFO L87 Difference]: Start difference. First operand 51859 states and 142534 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:40,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:42:40,403 INFO L93 Difference]: Finished difference Result 124702 states and 343308 transitions. [2022-01-18 11:42:40,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 11:42:40,403 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:42:40,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:42:40,632 INFO L225 Difference]: With dead ends: 124702 [2022-01-18 11:42:40,632 INFO L226 Difference]: Without dead ends: 124297 [2022-01-18 11:42:40,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1029 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=734, Invalid=3048, Unknown=0, NotChecked=0, Total=3782 [2022-01-18 11:42:40,634 INFO L933 BasicCegarLoop]: 992 mSDtfsCounter, 3670 mSDsluCounter, 11841 mSDsCounter, 0 mSdLazyCounter, 2355 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3670 SdHoareTripleChecker+Valid, 12722 SdHoareTripleChecker+Invalid, 2389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:42:40,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3670 Valid, 12722 Invalid, 2389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2355 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:42:40,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124297 states. [2022-01-18 11:42:42,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124297 to 52067. [2022-01-18 11:42:42,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52067 states, 52066 states have (on average 2.7475511850343795) internal successors, (143054), 52066 states have internal predecessors, (143054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:42,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52067 states to 52067 states and 143054 transitions. [2022-01-18 11:42:42,203 INFO L78 Accepts]: Start accepts. Automaton has 52067 states and 143054 transitions. Word has length 163 [2022-01-18 11:42:42,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:42:42,203 INFO L470 AbstractCegarLoop]: Abstraction has 52067 states and 143054 transitions. [2022-01-18 11:42:42,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:42,203 INFO L276 IsEmpty]: Start isEmpty. Operand 52067 states and 143054 transitions. [2022-01-18 11:42:42,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:42:42,254 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:42:42,254 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:42:42,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-18 11:42:42,254 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:42:42,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:42:42,255 INFO L85 PathProgramCache]: Analyzing trace with hash 278360420, now seen corresponding path program 26 times [2022-01-18 11:42:42,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:42:42,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650349036] [2022-01-18 11:42:42,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:42:42,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:42:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:42:42,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:42:42,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:42:42,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650349036] [2022-01-18 11:42:42,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650349036] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:42:42,786 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:42:42,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:42:42,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658929522] [2022-01-18 11:42:42,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:42:42,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:42:42,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:42:42,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:42:42,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:42:42,787 INFO L87 Difference]: Start difference. First operand 52067 states and 143054 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:44,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:42:44,808 INFO L93 Difference]: Finished difference Result 124016 states and 341748 transitions. [2022-01-18 11:42:44,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:42:44,808 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:42:44,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:42:45,056 INFO L225 Difference]: With dead ends: 124016 [2022-01-18 11:42:45,056 INFO L226 Difference]: Without dead ends: 123877 [2022-01-18 11:42:45,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 922 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=717, Invalid=2823, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 11:42:45,058 INFO L933 BasicCegarLoop]: 944 mSDtfsCounter, 2977 mSDsluCounter, 12467 mSDsCounter, 0 mSdLazyCounter, 2373 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2977 SdHoareTripleChecker+Valid, 13293 SdHoareTripleChecker+Invalid, 2420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:42:45,058 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2977 Valid, 13293 Invalid, 2420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2373 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:42:45,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123877 states. [2022-01-18 11:42:46,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123877 to 52115. [2022-01-18 11:42:46,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52115 states, 52114 states have (on average 2.747323176113904) internal successors, (143174), 52114 states have internal predecessors, (143174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:46,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52115 states to 52115 states and 143174 transitions. [2022-01-18 11:42:46,572 INFO L78 Accepts]: Start accepts. Automaton has 52115 states and 143174 transitions. Word has length 163 [2022-01-18 11:42:46,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:42:46,572 INFO L470 AbstractCegarLoop]: Abstraction has 52115 states and 143174 transitions. [2022-01-18 11:42:46,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:46,573 INFO L276 IsEmpty]: Start isEmpty. Operand 52115 states and 143174 transitions. [2022-01-18 11:42:46,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:42:46,950 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:42:46,950 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:42:46,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-18 11:42:46,950 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:42:46,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:42:46,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1077979552, now seen corresponding path program 27 times [2022-01-18 11:42:46,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:42:46,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941240475] [2022-01-18 11:42:46,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:42:46,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:42:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:42:47,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:42:47,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:42:47,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941240475] [2022-01-18 11:42:47,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941240475] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:42:47,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:42:47,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:42:47,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962298956] [2022-01-18 11:42:47,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:42:47,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:42:47,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:42:47,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:42:47,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:42:47,257 INFO L87 Difference]: Start difference. First operand 52115 states and 143174 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:49,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:42:49,358 INFO L93 Difference]: Finished difference Result 123940 states and 341552 transitions. [2022-01-18 11:42:49,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 11:42:49,358 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:42:49,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:42:49,593 INFO L225 Difference]: With dead ends: 123940 [2022-01-18 11:42:49,593 INFO L226 Difference]: Without dead ends: 123774 [2022-01-18 11:42:49,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 747 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=632, Invalid=2448, Unknown=0, NotChecked=0, Total=3080 [2022-01-18 11:42:49,594 INFO L933 BasicCegarLoop]: 940 mSDtfsCounter, 3310 mSDsluCounter, 11284 mSDsCounter, 0 mSdLazyCounter, 2200 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3310 SdHoareTripleChecker+Valid, 12131 SdHoareTripleChecker+Invalid, 2235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:42:49,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3310 Valid, 12131 Invalid, 2235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2200 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:42:49,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123774 states. [2022-01-18 11:42:50,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123774 to 52079. [2022-01-18 11:42:51,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52079 states, 52078 states have (on average 2.747321325703752) internal successors, (143075), 52078 states have internal predecessors, (143075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:51,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52079 states to 52079 states and 143075 transitions. [2022-01-18 11:42:51,113 INFO L78 Accepts]: Start accepts. Automaton has 52079 states and 143075 transitions. Word has length 163 [2022-01-18 11:42:51,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:42:51,113 INFO L470 AbstractCegarLoop]: Abstraction has 52079 states and 143075 transitions. [2022-01-18 11:42:51,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:51,113 INFO L276 IsEmpty]: Start isEmpty. Operand 52079 states and 143075 transitions. [2022-01-18 11:42:51,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:42:51,160 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:42:51,160 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:42:51,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-18 11:42:51,160 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:42:51,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:42:51,162 INFO L85 PathProgramCache]: Analyzing trace with hash -885062360, now seen corresponding path program 28 times [2022-01-18 11:42:51,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:42:51,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697671692] [2022-01-18 11:42:51,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:42:51,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:42:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:42:51,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:42:51,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:42:51,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697671692] [2022-01-18 11:42:51,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697671692] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:42:51,443 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:42:51,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:42:51,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980489396] [2022-01-18 11:42:51,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:42:51,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:42:51,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:42:51,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:42:51,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:42:51,444 INFO L87 Difference]: Start difference. First operand 52079 states and 143075 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:53,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:42:53,810 INFO L93 Difference]: Finished difference Result 124261 states and 342326 transitions. [2022-01-18 11:42:53,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:42:53,823 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:42:53,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:42:54,099 INFO L225 Difference]: With dead ends: 124261 [2022-01-18 11:42:54,099 INFO L226 Difference]: Without dead ends: 123935 [2022-01-18 11:42:54,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 959 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=720, Invalid=2940, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 11:42:54,103 INFO L933 BasicCegarLoop]: 965 mSDtfsCounter, 3205 mSDsluCounter, 11778 mSDsCounter, 0 mSdLazyCounter, 2298 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3205 SdHoareTripleChecker+Valid, 12638 SdHoareTripleChecker+Invalid, 2335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:42:54,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3205 Valid, 12638 Invalid, 2335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2298 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:42:54,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123935 states. [2022-01-18 11:42:55,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123935 to 51911. [2022-01-18 11:42:55,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51911 states, 51910 states have (on average 2.747543825852437) internal successors, (142625), 51910 states have internal predecessors, (142625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:55,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51911 states to 51911 states and 142625 transitions. [2022-01-18 11:42:55,680 INFO L78 Accepts]: Start accepts. Automaton has 51911 states and 142625 transitions. Word has length 163 [2022-01-18 11:42:55,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:42:55,680 INFO L470 AbstractCegarLoop]: Abstraction has 51911 states and 142625 transitions. [2022-01-18 11:42:55,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:55,681 INFO L276 IsEmpty]: Start isEmpty. Operand 51911 states and 142625 transitions. [2022-01-18 11:42:55,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:42:55,726 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:42:55,726 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:42:55,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-18 11:42:55,726 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:42:55,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:42:55,727 INFO L85 PathProgramCache]: Analyzing trace with hash -277761852, now seen corresponding path program 29 times [2022-01-18 11:42:55,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:42:55,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337381277] [2022-01-18 11:42:55,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:42:55,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:42:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:42:55,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:42:55,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:42:55,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337381277] [2022-01-18 11:42:55,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337381277] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:42:55,988 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:42:55,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:42:55,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242553865] [2022-01-18 11:42:55,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:42:55,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:42:55,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:42:55,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:42:55,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:42:55,989 INFO L87 Difference]: Start difference. First operand 51911 states and 142625 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:42:58,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:42:58,488 INFO L93 Difference]: Finished difference Result 123252 states and 339647 transitions. [2022-01-18 11:42:58,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:42:58,489 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:42:58,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:42:58,720 INFO L225 Difference]: With dead ends: 123252 [2022-01-18 11:42:58,720 INFO L226 Difference]: Without dead ends: 123113 [2022-01-18 11:42:58,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=730, Invalid=2810, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 11:42:58,728 INFO L933 BasicCegarLoop]: 938 mSDtfsCounter, 3034 mSDsluCounter, 12094 mSDsCounter, 0 mSdLazyCounter, 2299 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3034 SdHoareTripleChecker+Valid, 12922 SdHoareTripleChecker+Invalid, 2344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 2299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:42:58,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3034 Valid, 12922 Invalid, 2344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 2299 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:42:58,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123113 states. [2022-01-18 11:43:00,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123113 to 51963. [2022-01-18 11:43:00,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51963 states, 51962 states have (on average 2.747315345829645) internal successors, (142756), 51962 states have internal predecessors, (142756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:00,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51963 states to 51963 states and 142756 transitions. [2022-01-18 11:43:00,203 INFO L78 Accepts]: Start accepts. Automaton has 51963 states and 142756 transitions. Word has length 163 [2022-01-18 11:43:00,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:43:00,203 INFO L470 AbstractCegarLoop]: Abstraction has 51963 states and 142756 transitions. [2022-01-18 11:43:00,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:00,203 INFO L276 IsEmpty]: Start isEmpty. Operand 51963 states and 142756 transitions. [2022-01-18 11:43:00,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:43:00,251 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:43:00,251 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:43:00,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-18 11:43:00,251 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:43:00,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:43:00,253 INFO L85 PathProgramCache]: Analyzing trace with hash 521857280, now seen corresponding path program 30 times [2022-01-18 11:43:00,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:43:00,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546477782] [2022-01-18 11:43:00,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:43:00,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:43:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:43:00,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:43:00,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:43:00,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546477782] [2022-01-18 11:43:00,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546477782] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:43:00,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:43:00,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:43:00,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436428571] [2022-01-18 11:43:00,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:43:00,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:43:00,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:43:00,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:43:00,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:43:00,538 INFO L87 Difference]: Start difference. First operand 51963 states and 142756 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:02,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:43:02,473 INFO L93 Difference]: Finished difference Result 123224 states and 339567 transitions. [2022-01-18 11:43:02,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 11:43:02,474 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:43:02,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:43:02,994 INFO L225 Difference]: With dead ends: 123224 [2022-01-18 11:43:02,995 INFO L226 Difference]: Without dead ends: 123058 [2022-01-18 11:43:02,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 747 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=637, Invalid=2443, Unknown=0, NotChecked=0, Total=3080 [2022-01-18 11:43:02,995 INFO L933 BasicCegarLoop]: 934 mSDtfsCounter, 3357 mSDsluCounter, 11868 mSDsCounter, 0 mSdLazyCounter, 2186 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3357 SdHoareTripleChecker+Valid, 12697 SdHoareTripleChecker+Invalid, 2218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:43:02,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3357 Valid, 12697 Invalid, 2218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2186 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:43:03,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123058 states. [2022-01-18 11:43:04,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123058 to 51927. [2022-01-18 11:43:04,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51927 states, 51926 states have (on average 2.7473134845742018) internal successors, (142657), 51926 states have internal predecessors, (142657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:04,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51927 states to 51927 states and 142657 transitions. [2022-01-18 11:43:04,391 INFO L78 Accepts]: Start accepts. Automaton has 51927 states and 142657 transitions. Word has length 163 [2022-01-18 11:43:04,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:43:04,391 INFO L470 AbstractCegarLoop]: Abstraction has 51927 states and 142657 transitions. [2022-01-18 11:43:04,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:04,392 INFO L276 IsEmpty]: Start isEmpty. Operand 51927 states and 142657 transitions. [2022-01-18 11:43:04,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:43:04,437 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:43:04,438 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:43:04,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-18 11:43:04,438 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:43:04,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:43:04,439 INFO L85 PathProgramCache]: Analyzing trace with hash 241127364, now seen corresponding path program 31 times [2022-01-18 11:43:04,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:43:04,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424524790] [2022-01-18 11:43:04,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:43:04,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:43:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:43:04,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:43:04,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:43:04,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424524790] [2022-01-18 11:43:04,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424524790] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:43:04,686 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:43:04,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:43:04,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697823502] [2022-01-18 11:43:04,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:43:04,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:43:04,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:43:04,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:43:04,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:43:04,687 INFO L87 Difference]: Start difference. First operand 51927 states and 142657 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:06,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:43:06,685 INFO L93 Difference]: Finished difference Result 123454 states and 340093 transitions. [2022-01-18 11:43:06,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:43:06,686 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:43:06,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:43:07,193 INFO L225 Difference]: With dead ends: 123454 [2022-01-18 11:43:07,193 INFO L226 Difference]: Without dead ends: 123284 [2022-01-18 11:43:07,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 920 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=709, Invalid=2831, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 11:43:07,194 INFO L933 BasicCegarLoop]: 958 mSDtfsCounter, 3477 mSDsluCounter, 11341 mSDsCounter, 0 mSdLazyCounter, 2224 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3477 SdHoareTripleChecker+Valid, 12200 SdHoareTripleChecker+Invalid, 2260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:43:07,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3477 Valid, 12200 Invalid, 2260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2224 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:43:07,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123284 states. [2022-01-18 11:43:08,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123284 to 51915. [2022-01-18 11:43:08,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51915 states, 51914 states have (on average 2.7474669645952923) internal successors, (142632), 51914 states have internal predecessors, (142632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:08,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51915 states to 51915 states and 142632 transitions. [2022-01-18 11:43:08,762 INFO L78 Accepts]: Start accepts. Automaton has 51915 states and 142632 transitions. Word has length 163 [2022-01-18 11:43:08,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:43:08,762 INFO L470 AbstractCegarLoop]: Abstraction has 51915 states and 142632 transitions. [2022-01-18 11:43:08,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:08,763 INFO L276 IsEmpty]: Start isEmpty. Operand 51915 states and 142632 transitions. [2022-01-18 11:43:08,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:43:08,808 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:43:08,808 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:43:08,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-01-18 11:43:08,809 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:43:08,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:43:08,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1085879296, now seen corresponding path program 32 times [2022-01-18 11:43:08,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:43:08,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380326596] [2022-01-18 11:43:08,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:43:08,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:43:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:43:09,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:43:09,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:43:09,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380326596] [2022-01-18 11:43:09,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380326596] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:43:09,086 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:43:09,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:43:09,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563766416] [2022-01-18 11:43:09,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:43:09,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:43:09,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:43:09,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:43:09,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:43:09,087 INFO L87 Difference]: Start difference. First operand 51915 states and 142632 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:10,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:43:10,936 INFO L93 Difference]: Finished difference Result 122777 states and 338352 transitions. [2022-01-18 11:43:10,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-18 11:43:10,936 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:43:10,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:43:11,174 INFO L225 Difference]: With dead ends: 122777 [2022-01-18 11:43:11,175 INFO L226 Difference]: Without dead ends: 122638 [2022-01-18 11:43:11,175 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 803 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=697, Invalid=2609, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 11:43:11,176 INFO L933 BasicCegarLoop]: 928 mSDtfsCounter, 3007 mSDsluCounter, 11702 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3007 SdHoareTripleChecker+Valid, 12529 SdHoareTripleChecker+Invalid, 2285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:43:11,176 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3007 Valid, 12529 Invalid, 2285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:43:11,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122638 states. [2022-01-18 11:43:12,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122638 to 51963. [2022-01-18 11:43:12,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51963 states, 51962 states have (on average 2.7472383664985953) internal successors, (142752), 51962 states have internal predecessors, (142752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:12,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51963 states to 51963 states and 142752 transitions. [2022-01-18 11:43:12,929 INFO L78 Accepts]: Start accepts. Automaton has 51963 states and 142752 transitions. Word has length 163 [2022-01-18 11:43:12,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:43:12,930 INFO L470 AbstractCegarLoop]: Abstraction has 51963 states and 142752 transitions. [2022-01-18 11:43:12,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:12,930 INFO L276 IsEmpty]: Start isEmpty. Operand 51963 states and 142752 transitions. [2022-01-18 11:43:12,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:43:12,974 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:43:12,978 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:43:12,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-01-18 11:43:12,978 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:43:12,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:43:12,979 INFO L85 PathProgramCache]: Analyzing trace with hash -286260164, now seen corresponding path program 33 times [2022-01-18 11:43:12,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:43:12,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994888976] [2022-01-18 11:43:12,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:43:12,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:43:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:43:13,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:43:13,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:43:13,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994888976] [2022-01-18 11:43:13,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994888976] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:43:13,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:43:13,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:43:13,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213481244] [2022-01-18 11:43:13,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:43:13,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:43:13,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:43:13,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:43:13,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:43:13,215 INFO L87 Difference]: Start difference. First operand 51963 states and 142752 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:15,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:43:15,021 INFO L93 Difference]: Finished difference Result 122768 states and 338322 transitions. [2022-01-18 11:43:15,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 11:43:15,021 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:43:15,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:43:15,246 INFO L225 Difference]: With dead ends: 122768 [2022-01-18 11:43:15,246 INFO L226 Difference]: Without dead ends: 122602 [2022-01-18 11:43:15,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=643, Invalid=2549, Unknown=0, NotChecked=0, Total=3192 [2022-01-18 11:43:15,247 INFO L933 BasicCegarLoop]: 943 mSDtfsCounter, 2962 mSDsluCounter, 12178 mSDsCounter, 0 mSdLazyCounter, 2270 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2962 SdHoareTripleChecker+Valid, 12998 SdHoareTripleChecker+Invalid, 2302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:43:15,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2962 Valid, 12998 Invalid, 2302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2270 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:43:15,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122602 states. [2022-01-18 11:43:16,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122602 to 51927. [2022-01-18 11:43:16,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51927 states, 51926 states have (on average 2.7472364518738206) internal successors, (142653), 51926 states have internal predecessors, (142653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:16,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51927 states to 51927 states and 142653 transitions. [2022-01-18 11:43:16,687 INFO L78 Accepts]: Start accepts. Automaton has 51927 states and 142653 transitions. Word has length 163 [2022-01-18 11:43:16,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:43:16,687 INFO L470 AbstractCegarLoop]: Abstraction has 51927 states and 142653 transitions. [2022-01-18 11:43:16,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:16,688 INFO L276 IsEmpty]: Start isEmpty. Operand 51927 states and 142653 transitions. [2022-01-18 11:43:17,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:43:17,056 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:43:17,057 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:43:17,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-01-18 11:43:17,057 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:43:17,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:43:17,057 INFO L85 PathProgramCache]: Analyzing trace with hash -17625148, now seen corresponding path program 34 times [2022-01-18 11:43:17,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:43:17,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138524734] [2022-01-18 11:43:17,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:43:17,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:43:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:43:17,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:43:17,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:43:17,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138524734] [2022-01-18 11:43:17,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138524734] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:43:17,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:43:17,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:43:17,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815226273] [2022-01-18 11:43:17,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:43:17,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:43:17,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:43:17,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:43:17,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:43:17,320 INFO L87 Difference]: Start difference. First operand 51927 states and 142653 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:19,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:43:19,485 INFO L93 Difference]: Finished difference Result 122599 states and 337929 transitions. [2022-01-18 11:43:19,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 11:43:19,485 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:43:19,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:43:19,721 INFO L225 Difference]: With dead ends: 122599 [2022-01-18 11:43:19,721 INFO L226 Difference]: Without dead ends: 122329 [2022-01-18 11:43:19,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 723 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=608, Invalid=2472, Unknown=0, NotChecked=0, Total=3080 [2022-01-18 11:43:19,722 INFO L933 BasicCegarLoop]: 966 mSDtfsCounter, 3159 mSDsluCounter, 11364 mSDsCounter, 0 mSdLazyCounter, 2158 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3159 SdHoareTripleChecker+Valid, 12222 SdHoareTripleChecker+Invalid, 2189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:43:19,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3159 Valid, 12222 Invalid, 2189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2158 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:43:19,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122329 states. [2022-01-18 11:43:21,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122329 to 51803. [2022-01-18 11:43:21,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51803 states, 51802 states have (on average 2.7486197444114127) internal successors, (142384), 51802 states have internal predecessors, (142384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:21,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51803 states to 51803 states and 142384 transitions. [2022-01-18 11:43:21,227 INFO L78 Accepts]: Start accepts. Automaton has 51803 states and 142384 transitions. Word has length 163 [2022-01-18 11:43:21,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:43:21,228 INFO L470 AbstractCegarLoop]: Abstraction has 51803 states and 142384 transitions. [2022-01-18 11:43:21,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:21,228 INFO L276 IsEmpty]: Start isEmpty. Operand 51803 states and 142384 transitions. [2022-01-18 11:43:21,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:43:21,273 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:43:21,273 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:43:21,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-01-18 11:43:21,273 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:43:21,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:43:21,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1935848428, now seen corresponding path program 35 times [2022-01-18 11:43:21,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:43:21,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31681305] [2022-01-18 11:43:21,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:43:21,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:43:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:43:21,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:43:21,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:43:21,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31681305] [2022-01-18 11:43:21,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31681305] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:43:21,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:43:21,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:43:21,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939699779] [2022-01-18 11:43:21,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:43:21,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:43:21,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:43:21,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:43:21,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:43:21,939 INFO L87 Difference]: Start difference. First operand 51803 states and 142384 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:24,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:43:24,137 INFO L93 Difference]: Finished difference Result 119493 states and 328919 transitions. [2022-01-18 11:43:24,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 11:43:24,137 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:43:24,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:43:24,378 INFO L225 Difference]: With dead ends: 119493 [2022-01-18 11:43:24,379 INFO L226 Difference]: Without dead ends: 119012 [2022-01-18 11:43:24,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=522, Invalid=1928, Unknown=0, NotChecked=0, Total=2450 [2022-01-18 11:43:24,387 INFO L933 BasicCegarLoop]: 938 mSDtfsCounter, 3270 mSDsluCounter, 11733 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3270 SdHoareTripleChecker+Valid, 12562 SdHoareTripleChecker+Invalid, 1993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:43:24,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3270 Valid, 12562 Invalid, 1993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:43:24,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119012 states. [2022-01-18 11:43:25,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119012 to 51851. [2022-01-18 11:43:25,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51851 states, 51850 states have (on average 2.7483895853423337) internal successors, (142504), 51850 states have internal predecessors, (142504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:25,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51851 states to 51851 states and 142504 transitions. [2022-01-18 11:43:25,950 INFO L78 Accepts]: Start accepts. Automaton has 51851 states and 142504 transitions. Word has length 163 [2022-01-18 11:43:25,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:43:25,950 INFO L470 AbstractCegarLoop]: Abstraction has 51851 states and 142504 transitions. [2022-01-18 11:43:25,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:25,950 INFO L276 IsEmpty]: Start isEmpty. Operand 51851 states and 142504 transitions. [2022-01-18 11:43:25,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:43:25,997 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:43:25,997 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:43:25,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-01-18 11:43:25,997 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:43:25,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:43:25,999 INFO L85 PathProgramCache]: Analyzing trace with hash 800845134, now seen corresponding path program 36 times [2022-01-18 11:43:25,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:43:25,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059111314] [2022-01-18 11:43:25,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:43:25,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:43:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:43:26,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:43:26,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:43:26,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059111314] [2022-01-18 11:43:26,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059111314] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:43:26,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:43:26,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:43:26,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682722660] [2022-01-18 11:43:26,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:43:26,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:43:26,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:43:26,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:43:26,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:43:26,276 INFO L87 Difference]: Start difference. First operand 51851 states and 142504 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:28,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:43:28,629 INFO L93 Difference]: Finished difference Result 121174 states and 333218 transitions. [2022-01-18 11:43:28,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 11:43:28,630 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:43:28,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:43:28,889 INFO L225 Difference]: With dead ends: 121174 [2022-01-18 11:43:28,889 INFO L226 Difference]: Without dead ends: 120750 [2022-01-18 11:43:28,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=590, Invalid=2490, Unknown=0, NotChecked=0, Total=3080 [2022-01-18 11:43:28,890 INFO L933 BasicCegarLoop]: 938 mSDtfsCounter, 3167 mSDsluCounter, 11964 mSDsCounter, 0 mSdLazyCounter, 2188 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3167 SdHoareTripleChecker+Valid, 12783 SdHoareTripleChecker+Invalid, 2222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:43:28,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3167 Valid, 12783 Invalid, 2222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2188 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-18 11:43:29,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120750 states. [2022-01-18 11:43:30,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120750 to 51863. [2022-01-18 11:43:30,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51863 states, 51862 states have (on average 2.748312830203232) internal successors, (142533), 51862 states have internal predecessors, (142533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:30,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51863 states to 51863 states and 142533 transitions. [2022-01-18 11:43:30,445 INFO L78 Accepts]: Start accepts. Automaton has 51863 states and 142533 transitions. Word has length 163 [2022-01-18 11:43:30,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:43:30,445 INFO L470 AbstractCegarLoop]: Abstraction has 51863 states and 142533 transitions. [2022-01-18 11:43:30,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:30,445 INFO L276 IsEmpty]: Start isEmpty. Operand 51863 states and 142533 transitions. [2022-01-18 11:43:30,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:43:30,492 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:43:30,493 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:43:30,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-01-18 11:43:30,493 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:43:30,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:43:30,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1638965852, now seen corresponding path program 37 times [2022-01-18 11:43:30,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:43:30,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448912939] [2022-01-18 11:43:30,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:43:30,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:43:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:43:30,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:43:30,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:43:30,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448912939] [2022-01-18 11:43:30,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448912939] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:43:30,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:43:30,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:43:30,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412341392] [2022-01-18 11:43:30,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:43:30,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:43:30,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:43:30,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:43:30,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:43:30,756 INFO L87 Difference]: Start difference. First operand 51863 states and 142533 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:33,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:43:33,064 INFO L93 Difference]: Finished difference Result 120744 states and 332194 transitions. [2022-01-18 11:43:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:43:33,065 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:43:33,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:43:33,293 INFO L225 Difference]: With dead ends: 120744 [2022-01-18 11:43:33,294 INFO L226 Difference]: Without dead ends: 120339 [2022-01-18 11:43:33,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 816 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=613, Invalid=2693, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 11:43:33,301 INFO L933 BasicCegarLoop]: 943 mSDtfsCounter, 2961 mSDsluCounter, 12374 mSDsCounter, 0 mSdLazyCounter, 2224 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2961 SdHoareTripleChecker+Valid, 13188 SdHoareTripleChecker+Invalid, 2257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:43:33,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2961 Valid, 13188 Invalid, 2257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2224 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-18 11:43:33,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120339 states. [2022-01-18 11:43:34,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120339 to 52019. [2022-01-18 11:43:34,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52019 states, 52018 states have (on average 2.7473182359952326) internal successors, (142910), 52018 states have internal predecessors, (142910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:34,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52019 states to 52019 states and 142910 transitions. [2022-01-18 11:43:34,855 INFO L78 Accepts]: Start accepts. Automaton has 52019 states and 142910 transitions. Word has length 163 [2022-01-18 11:43:34,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:43:34,855 INFO L470 AbstractCegarLoop]: Abstraction has 52019 states and 142910 transitions. [2022-01-18 11:43:34,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:34,855 INFO L276 IsEmpty]: Start isEmpty. Operand 52019 states and 142910 transitions. [2022-01-18 11:43:34,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:43:34,903 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:43:34,903 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:43:34,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-01-18 11:43:34,905 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:43:34,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:43:34,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1608688324, now seen corresponding path program 38 times [2022-01-18 11:43:34,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:43:34,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241658546] [2022-01-18 11:43:34,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:43:34,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:43:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:43:35,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:43:35,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:43:35,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241658546] [2022-01-18 11:43:35,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241658546] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:43:35,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:43:35,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:43:35,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192593568] [2022-01-18 11:43:35,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:43:35,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:43:35,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:43:35,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:43:35,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:43:35,168 INFO L87 Difference]: Start difference. First operand 52019 states and 142910 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:37,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:43:37,158 INFO L93 Difference]: Finished difference Result 119361 states and 328794 transitions. [2022-01-18 11:43:37,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 11:43:37,158 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:43:37,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:43:37,383 INFO L225 Difference]: With dead ends: 119361 [2022-01-18 11:43:37,383 INFO L226 Difference]: Without dead ends: 119222 [2022-01-18 11:43:37,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=583, Invalid=2387, Unknown=0, NotChecked=0, Total=2970 [2022-01-18 11:43:37,384 INFO L933 BasicCegarLoop]: 891 mSDtfsCounter, 2591 mSDsluCounter, 11865 mSDsCounter, 0 mSdLazyCounter, 2022 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2591 SdHoareTripleChecker+Valid, 12648 SdHoareTripleChecker+Invalid, 2068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 2022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:43:37,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2591 Valid, 12648 Invalid, 2068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 2022 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:43:37,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119222 states. [2022-01-18 11:43:38,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119222 to 52067. [2022-01-18 11:43:38,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52067 states, 52066 states have (on average 2.747090231629086) internal successors, (143030), 52066 states have internal predecessors, (143030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:38,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52067 states to 52067 states and 143030 transitions. [2022-01-18 11:43:38,842 INFO L78 Accepts]: Start accepts. Automaton has 52067 states and 143030 transitions. Word has length 163 [2022-01-18 11:43:38,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:43:38,842 INFO L470 AbstractCegarLoop]: Abstraction has 52067 states and 143030 transitions. [2022-01-18 11:43:38,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:38,843 INFO L276 IsEmpty]: Start isEmpty. Operand 52067 states and 143030 transitions. [2022-01-18 11:43:38,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:43:38,888 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:43:38,888 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:43:38,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-01-18 11:43:38,888 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:43:38,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:43:38,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1886659840, now seen corresponding path program 39 times [2022-01-18 11:43:38,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:43:38,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323537308] [2022-01-18 11:43:38,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:43:38,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:43:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:43:39,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:43:39,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:43:39,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323537308] [2022-01-18 11:43:39,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323537308] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:43:39,155 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:43:39,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:43:39,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551576803] [2022-01-18 11:43:39,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:43:39,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:43:39,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:43:39,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:43:39,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:43:39,156 INFO L87 Difference]: Start difference. First operand 52067 states and 143030 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:41,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:43:41,096 INFO L93 Difference]: Finished difference Result 119285 states and 328598 transitions. [2022-01-18 11:43:41,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-18 11:43:41,096 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:43:41,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:43:41,327 INFO L225 Difference]: With dead ends: 119285 [2022-01-18 11:43:41,327 INFO L226 Difference]: Without dead ends: 119119 [2022-01-18 11:43:41,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 534 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=519, Invalid=2031, Unknown=0, NotChecked=0, Total=2550 [2022-01-18 11:43:41,328 INFO L933 BasicCegarLoop]: 887 mSDtfsCounter, 2949 mSDsluCounter, 11347 mSDsCounter, 0 mSdLazyCounter, 1904 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2949 SdHoareTripleChecker+Valid, 12140 SdHoareTripleChecker+Invalid, 1939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:43:41,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2949 Valid, 12140 Invalid, 1939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1904 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:43:41,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119119 states. [2022-01-18 11:43:42,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119119 to 52031. [2022-01-18 11:43:42,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52031 states, 52030 states have (on average 2.7470882183355756) internal successors, (142931), 52030 states have internal predecessors, (142931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:42,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52031 states to 52031 states and 142931 transitions. [2022-01-18 11:43:42,795 INFO L78 Accepts]: Start accepts. Automaton has 52031 states and 142931 transitions. Word has length 163 [2022-01-18 11:43:42,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:43:42,795 INFO L470 AbstractCegarLoop]: Abstraction has 52031 states and 142931 transitions. [2022-01-18 11:43:42,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:42,796 INFO L276 IsEmpty]: Start isEmpty. Operand 52031 states and 142931 transitions. [2022-01-18 11:43:42,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:43:42,841 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:43:42,841 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:43:42,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-01-18 11:43:42,841 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:43:42,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:43:42,841 INFO L85 PathProgramCache]: Analyzing trace with hash 445265544, now seen corresponding path program 40 times [2022-01-18 11:43:42,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:43:42,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374696445] [2022-01-18 11:43:42,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:43:42,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:43:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:43:43,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:43:43,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:43:43,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374696445] [2022-01-18 11:43:43,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374696445] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:43:43,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:43:43,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:43:43,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704718481] [2022-01-18 11:43:43,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:43:43,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:43:43,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:43:43,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:43:43,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:43:43,068 INFO L87 Difference]: Start difference. First operand 52031 states and 142931 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:45,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:43:45,274 INFO L93 Difference]: Finished difference Result 119606 states and 329372 transitions. [2022-01-18 11:43:45,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 11:43:45,275 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:43:45,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:43:45,501 INFO L225 Difference]: With dead ends: 119606 [2022-01-18 11:43:45,502 INFO L226 Difference]: Without dead ends: 119232 [2022-01-18 11:43:45,502 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=567, Invalid=2403, Unknown=0, NotChecked=0, Total=2970 [2022-01-18 11:43:45,502 INFO L933 BasicCegarLoop]: 916 mSDtfsCounter, 3025 mSDsluCounter, 11361 mSDsCounter, 0 mSdLazyCounter, 1993 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3025 SdHoareTripleChecker+Valid, 12172 SdHoareTripleChecker+Invalid, 2027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:43:45,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3025 Valid, 12172 Invalid, 2027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1993 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:43:45,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119232 states. [2022-01-18 11:43:46,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119232 to 51815. [2022-01-18 11:43:47,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51815 states, 51814 states have (on average 2.748388466437642) internal successors, (142405), 51814 states have internal predecessors, (142405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:47,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51815 states to 51815 states and 142405 transitions. [2022-01-18 11:43:47,112 INFO L78 Accepts]: Start accepts. Automaton has 51815 states and 142405 transitions. Word has length 163 [2022-01-18 11:43:47,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:43:47,112 INFO L470 AbstractCegarLoop]: Abstraction has 51815 states and 142405 transitions. [2022-01-18 11:43:47,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:47,113 INFO L276 IsEmpty]: Start isEmpty. Operand 51815 states and 142405 transitions. [2022-01-18 11:43:47,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:43:47,160 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:43:47,160 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:43:47,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-01-18 11:43:47,160 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:43:47,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:43:47,161 INFO L85 PathProgramCache]: Analyzing trace with hash 78101186, now seen corresponding path program 41 times [2022-01-18 11:43:47,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:43:47,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823126184] [2022-01-18 11:43:47,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:43:47,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:43:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:43:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:43:47,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:43:47,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823126184] [2022-01-18 11:43:47,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823126184] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:43:47,408 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:43:47,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:43:47,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188046670] [2022-01-18 11:43:47,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:43:47,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:43:47,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:43:47,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:43:47,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:43:47,409 INFO L87 Difference]: Start difference. First operand 51815 states and 142405 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:49,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:43:49,360 INFO L93 Difference]: Finished difference Result 125436 states and 345172 transitions. [2022-01-18 11:43:49,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 11:43:49,361 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:43:49,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:43:49,903 INFO L225 Difference]: With dead ends: 125436 [2022-01-18 11:43:49,904 INFO L226 Difference]: Without dead ends: 125012 [2022-01-18 11:43:49,904 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 767 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=612, Invalid=2468, Unknown=0, NotChecked=0, Total=3080 [2022-01-18 11:43:49,904 INFO L933 BasicCegarLoop]: 949 mSDtfsCounter, 3199 mSDsluCounter, 12419 mSDsCounter, 0 mSdLazyCounter, 2343 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3199 SdHoareTripleChecker+Valid, 13243 SdHoareTripleChecker+Invalid, 2377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:43:49,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3199 Valid, 13243 Invalid, 2377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2343 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:43:50,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125012 states. [2022-01-18 11:43:51,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125012 to 51831. [2022-01-18 11:43:51,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51831 states, 51830 states have (on average 2.748311788539456) internal successors, (142445), 51830 states have internal predecessors, (142445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:51,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51831 states to 51831 states and 142445 transitions. [2022-01-18 11:43:51,387 INFO L78 Accepts]: Start accepts. Automaton has 51831 states and 142445 transitions. Word has length 163 [2022-01-18 11:43:51,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:43:51,387 INFO L470 AbstractCegarLoop]: Abstraction has 51831 states and 142445 transitions. [2022-01-18 11:43:51,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:51,387 INFO L276 IsEmpty]: Start isEmpty. Operand 51831 states and 142445 transitions. [2022-01-18 11:43:51,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:43:51,433 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:43:51,433 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:43:51,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-01-18 11:43:51,433 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:43:51,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:43:51,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1933257496, now seen corresponding path program 42 times [2022-01-18 11:43:51,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:43:51,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384862750] [2022-01-18 11:43:51,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:43:51,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:43:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:43:51,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:43:51,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:43:51,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384862750] [2022-01-18 11:43:51,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384862750] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:43:51,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:43:51,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:43:51,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009478861] [2022-01-18 11:43:51,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:43:51,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:43:51,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:43:51,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:43:51,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:43:51,658 INFO L87 Difference]: Start difference. First operand 51831 states and 142445 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:53,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:43:53,671 INFO L93 Difference]: Finished difference Result 126270 states and 347466 transitions. [2022-01-18 11:43:53,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 11:43:53,672 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:43:53,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:43:54,197 INFO L225 Difference]: With dead ends: 126270 [2022-01-18 11:43:54,197 INFO L226 Difference]: Without dead ends: 125865 [2022-01-18 11:43:54,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 927 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=676, Invalid=2864, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 11:43:54,204 INFO L933 BasicCegarLoop]: 949 mSDtfsCounter, 3250 mSDsluCounter, 11817 mSDsCounter, 0 mSdLazyCounter, 2297 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3250 SdHoareTripleChecker+Valid, 12664 SdHoareTripleChecker+Invalid, 2334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:43:54,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3250 Valid, 12664 Invalid, 2334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2297 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:43:54,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125865 states. [2022-01-18 11:43:55,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125865 to 51987. [2022-01-18 11:43:55,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51987 states, 51986 states have (on average 2.7473165852344863) internal successors, (142822), 51986 states have internal predecessors, (142822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:55,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51987 states to 51987 states and 142822 transitions. [2022-01-18 11:43:55,672 INFO L78 Accepts]: Start accepts. Automaton has 51987 states and 142822 transitions. Word has length 163 [2022-01-18 11:43:55,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:43:55,674 INFO L470 AbstractCegarLoop]: Abstraction has 51987 states and 142822 transitions. [2022-01-18 11:43:55,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:55,674 INFO L276 IsEmpty]: Start isEmpty. Operand 51987 states and 142822 transitions. [2022-01-18 11:43:55,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:43:55,719 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:43:55,719 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:43:55,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-01-18 11:43:55,720 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:43:55,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:43:55,720 INFO L85 PathProgramCache]: Analyzing trace with hash 885944376, now seen corresponding path program 43 times [2022-01-18 11:43:55,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:43:55,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999937279] [2022-01-18 11:43:55,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:43:55,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:43:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:43:55,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:43:55,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:43:55,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999937279] [2022-01-18 11:43:55,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999937279] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:43:55,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:43:55,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:43:55,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334186369] [2022-01-18 11:43:55,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:43:55,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:43:55,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:43:55,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:43:55,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:43:55,947 INFO L87 Difference]: Start difference. First operand 51987 states and 142822 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:57,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:43:57,718 INFO L93 Difference]: Finished difference Result 124887 states and 344066 transitions. [2022-01-18 11:43:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-18 11:43:57,719 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:43:57,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:43:57,950 INFO L225 Difference]: With dead ends: 124887 [2022-01-18 11:43:57,950 INFO L226 Difference]: Without dead ends: 124748 [2022-01-18 11:43:57,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=640, Invalid=2552, Unknown=0, NotChecked=0, Total=3192 [2022-01-18 11:43:57,951 INFO L933 BasicCegarLoop]: 902 mSDtfsCounter, 2822 mSDsluCounter, 11813 mSDsCounter, 0 mSdLazyCounter, 2179 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2822 SdHoareTripleChecker+Valid, 12615 SdHoareTripleChecker+Invalid, 2225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 2179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:43:57,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2822 Valid, 12615 Invalid, 2225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 2179 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:43:58,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124748 states. [2022-01-18 11:43:59,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124748 to 52035. [2022-01-18 11:43:59,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52035 states, 52034 states have (on average 2.7470884421724255) internal successors, (142942), 52034 states have internal predecessors, (142942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:59,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52035 states to 52035 states and 142942 transitions. [2022-01-18 11:43:59,738 INFO L78 Accepts]: Start accepts. Automaton has 52035 states and 142942 transitions. Word has length 163 [2022-01-18 11:43:59,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:43:59,738 INFO L470 AbstractCegarLoop]: Abstraction has 52035 states and 142942 transitions. [2022-01-18 11:43:59,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:43:59,738 INFO L276 IsEmpty]: Start isEmpty. Operand 52035 states and 142942 transitions. [2022-01-18 11:43:59,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:43:59,780 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:43:59,780 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:43:59,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-01-18 11:43:59,781 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:43:59,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:43:59,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1685563508, now seen corresponding path program 44 times [2022-01-18 11:43:59,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:43:59,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408553278] [2022-01-18 11:43:59,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:43:59,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:43:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:43:59,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:43:59,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:43:59,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408553278] [2022-01-18 11:43:59,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408553278] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:43:59,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:43:59,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:43:59,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915723474] [2022-01-18 11:43:59,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:43:59,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:43:59,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:43:59,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:43:59,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:43:59,994 INFO L87 Difference]: Start difference. First operand 52035 states and 142942 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:01,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:44:01,827 INFO L93 Difference]: Finished difference Result 124811 states and 343870 transitions. [2022-01-18 11:44:01,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-18 11:44:01,828 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:44:01,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:44:02,064 INFO L225 Difference]: With dead ends: 124811 [2022-01-18 11:44:02,064 INFO L226 Difference]: Without dead ends: 124645 [2022-01-18 11:44:02,064 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=566, Invalid=2190, Unknown=0, NotChecked=0, Total=2756 [2022-01-18 11:44:02,068 INFO L933 BasicCegarLoop]: 898 mSDtfsCounter, 2759 mSDsluCounter, 11770 mSDsCounter, 0 mSdLazyCounter, 2150 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2759 SdHoareTripleChecker+Valid, 12574 SdHoareTripleChecker+Invalid, 2184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:44:02,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2759 Valid, 12574 Invalid, 2184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2150 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:44:02,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124645 states. [2022-01-18 11:44:03,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124645 to 51999. [2022-01-18 11:44:03,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51999 states, 51998 states have (on average 2.7470864264010153) internal successors, (142843), 51998 states have internal predecessors, (142843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:03,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51999 states to 51999 states and 142843 transitions. [2022-01-18 11:44:03,609 INFO L78 Accepts]: Start accepts. Automaton has 51999 states and 142843 transitions. Word has length 163 [2022-01-18 11:44:03,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:44:03,612 INFO L470 AbstractCegarLoop]: Abstraction has 51999 states and 142843 transitions. [2022-01-18 11:44:03,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:03,612 INFO L276 IsEmpty]: Start isEmpty. Operand 51999 states and 142843 transitions. [2022-01-18 11:44:03,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:44:03,659 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:44:03,659 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:44:03,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-01-18 11:44:03,659 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:44:03,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:44:03,659 INFO L85 PathProgramCache]: Analyzing trace with hash -277478404, now seen corresponding path program 45 times [2022-01-18 11:44:03,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:44:03,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742056535] [2022-01-18 11:44:03,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:44:03,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:44:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:44:04,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:44:04,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:44:04,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742056535] [2022-01-18 11:44:04,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742056535] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:44:04,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:44:04,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:44:04,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866037174] [2022-01-18 11:44:04,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:44:04,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:44:04,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:44:04,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:44:04,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:44:04,151 INFO L87 Difference]: Start difference. First operand 51999 states and 142843 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:06,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:44:06,010 INFO L93 Difference]: Finished difference Result 125132 states and 344644 transitions. [2022-01-18 11:44:06,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-18 11:44:06,010 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:44:06,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:44:06,255 INFO L225 Difference]: With dead ends: 125132 [2022-01-18 11:44:06,255 INFO L226 Difference]: Without dead ends: 124794 [2022-01-18 11:44:06,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 786 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=625, Invalid=2567, Unknown=0, NotChecked=0, Total=3192 [2022-01-18 11:44:06,256 INFO L933 BasicCegarLoop]: 927 mSDtfsCounter, 3047 mSDsluCounter, 11539 mSDsCounter, 0 mSdLazyCounter, 2154 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3047 SdHoareTripleChecker+Valid, 12363 SdHoareTripleChecker+Invalid, 2189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:44:06,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3047 Valid, 12363 Invalid, 2189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2154 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:44:06,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124794 states. [2022-01-18 11:44:07,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124794 to 51819. [2022-01-18 11:44:07,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51819 states, 51818 states have (on average 2.7483113975838513) internal successors, (142412), 51818 states have internal predecessors, (142412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:07,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51819 states to 51819 states and 142412 transitions. [2022-01-18 11:44:07,790 INFO L78 Accepts]: Start accepts. Automaton has 51819 states and 142412 transitions. Word has length 163 [2022-01-18 11:44:07,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:44:07,791 INFO L470 AbstractCegarLoop]: Abstraction has 51819 states and 142412 transitions. [2022-01-18 11:44:07,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:07,791 INFO L276 IsEmpty]: Start isEmpty. Operand 51819 states and 142412 transitions. [2022-01-18 11:44:07,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:44:07,840 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:44:07,840 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:44:07,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-01-18 11:44:07,840 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:44:07,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:44:07,841 INFO L85 PathProgramCache]: Analyzing trace with hash 981107552, now seen corresponding path program 46 times [2022-01-18 11:44:07,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:44:07,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943698059] [2022-01-18 11:44:07,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:44:07,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:44:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:44:08,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:44:08,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:44:08,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943698059] [2022-01-18 11:44:08,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943698059] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:44:08,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:44:08,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:44:08,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631840748] [2022-01-18 11:44:08,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:44:08,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:44:08,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:44:08,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:44:08,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:44:08,085 INFO L87 Difference]: Start difference. First operand 51819 states and 142412 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:10,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:44:10,498 INFO L93 Difference]: Finished difference Result 125410 states and 345250 transitions. [2022-01-18 11:44:10,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 11:44:10,498 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:44:10,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:44:10,731 INFO L225 Difference]: With dead ends: 125410 [2022-01-18 11:44:10,731 INFO L226 Difference]: Without dead ends: 125005 [2022-01-18 11:44:10,732 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 992 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=703, Invalid=2957, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 11:44:10,733 INFO L933 BasicCegarLoop]: 971 mSDtfsCounter, 3379 mSDsluCounter, 11775 mSDsCounter, 0 mSdLazyCounter, 2213 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3379 SdHoareTripleChecker+Valid, 12642 SdHoareTripleChecker+Invalid, 2249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:44:10,733 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3379 Valid, 12642 Invalid, 2249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2213 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:44:10,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125005 states. [2022-01-18 11:44:12,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125005 to 52027. [2022-01-18 11:44:12,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52027 states, 52026 states have (on average 2.7473186483681236) internal successors, (142932), 52026 states have internal predecessors, (142932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:12,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52027 states to 52027 states and 142932 transitions. [2022-01-18 11:44:12,259 INFO L78 Accepts]: Start accepts. Automaton has 52027 states and 142932 transitions. Word has length 163 [2022-01-18 11:44:12,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:44:12,259 INFO L470 AbstractCegarLoop]: Abstraction has 52027 states and 142932 transitions. [2022-01-18 11:44:12,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:12,259 INFO L276 IsEmpty]: Start isEmpty. Operand 52027 states and 142932 transitions. [2022-01-18 11:44:12,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:44:12,305 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:44:12,305 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:44:12,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-01-18 11:44:12,305 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:44:12,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:44:12,305 INFO L85 PathProgramCache]: Analyzing trace with hash -66205568, now seen corresponding path program 47 times [2022-01-18 11:44:12,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:44:12,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321481160] [2022-01-18 11:44:12,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:44:12,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:44:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:44:12,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:44:12,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:44:12,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321481160] [2022-01-18 11:44:12,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321481160] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:44:12,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:44:12,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:44:12,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056112181] [2022-01-18 11:44:12,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:44:12,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:44:12,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:44:12,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:44:12,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:44:12,577 INFO L87 Difference]: Start difference. First operand 52027 states and 142932 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:14,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:44:14,861 INFO L93 Difference]: Finished difference Result 124724 states and 343690 transitions. [2022-01-18 11:44:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:44:14,861 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:44:14,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:44:15,100 INFO L225 Difference]: With dead ends: 124724 [2022-01-18 11:44:15,100 INFO L226 Difference]: Without dead ends: 124585 [2022-01-18 11:44:15,101 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=685, Invalid=2737, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:44:15,101 INFO L933 BasicCegarLoop]: 923 mSDtfsCounter, 2868 mSDsluCounter, 12104 mSDsCounter, 0 mSdLazyCounter, 2178 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2868 SdHoareTripleChecker+Valid, 12925 SdHoareTripleChecker+Invalid, 2228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 11:44:15,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2868 Valid, 12925 Invalid, 2228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2178 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-18 11:44:15,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124585 states. [2022-01-18 11:44:16,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124585 to 52075. [2022-01-18 11:44:16,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52075 states, 52074 states have (on average 2.747090678649614) internal successors, (143052), 52074 states have internal predecessors, (143052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:16,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52075 states to 52075 states and 143052 transitions. [2022-01-18 11:44:16,609 INFO L78 Accepts]: Start accepts. Automaton has 52075 states and 143052 transitions. Word has length 163 [2022-01-18 11:44:16,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:44:16,610 INFO L470 AbstractCegarLoop]: Abstraction has 52075 states and 143052 transitions. [2022-01-18 11:44:16,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:16,610 INFO L276 IsEmpty]: Start isEmpty. Operand 52075 states and 143052 transitions. [2022-01-18 11:44:16,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:44:16,656 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:44:16,657 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:44:16,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-01-18 11:44:16,657 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:44:16,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:44:16,657 INFO L85 PathProgramCache]: Analyzing trace with hash 733413564, now seen corresponding path program 48 times [2022-01-18 11:44:16,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:44:16,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863144356] [2022-01-18 11:44:16,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:44:16,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:44:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:44:17,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:44:17,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:44:17,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863144356] [2022-01-18 11:44:17,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863144356] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:44:17,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:44:17,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:44:17,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211761131] [2022-01-18 11:44:17,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:44:17,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:44:17,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:44:17,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:44:17,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:44:17,026 INFO L87 Difference]: Start difference. First operand 52075 states and 143052 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:19,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:44:19,117 INFO L93 Difference]: Finished difference Result 124648 states and 343494 transitions. [2022-01-18 11:44:19,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 11:44:19,118 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:44:19,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:44:19,348 INFO L225 Difference]: With dead ends: 124648 [2022-01-18 11:44:19,348 INFO L226 Difference]: Without dead ends: 124482 [2022-01-18 11:44:19,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=604, Invalid=2366, Unknown=0, NotChecked=0, Total=2970 [2022-01-18 11:44:19,349 INFO L933 BasicCegarLoop]: 919 mSDtfsCounter, 2792 mSDsluCounter, 11771 mSDsCounter, 0 mSdLazyCounter, 2134 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2792 SdHoareTripleChecker+Valid, 12598 SdHoareTripleChecker+Invalid, 2171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:44:19,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2792 Valid, 12598 Invalid, 2171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2134 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:44:19,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124482 states. [2022-01-18 11:44:20,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124482 to 52039. [2022-01-18 11:44:20,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52039 states, 52038 states have (on average 2.7470886659748643) internal successors, (142953), 52038 states have internal predecessors, (142953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:20,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52039 states to 52039 states and 142953 transitions. [2022-01-18 11:44:20,986 INFO L78 Accepts]: Start accepts. Automaton has 52039 states and 142953 transitions. Word has length 163 [2022-01-18 11:44:20,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:44:20,987 INFO L470 AbstractCegarLoop]: Abstraction has 52039 states and 142953 transitions. [2022-01-18 11:44:20,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:20,987 INFO L276 IsEmpty]: Start isEmpty. Operand 52039 states and 142953 transitions. [2022-01-18 11:44:21,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:44:21,037 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:44:21,037 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:44:21,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-01-18 11:44:21,037 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:44:21,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:44:21,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1229628348, now seen corresponding path program 49 times [2022-01-18 11:44:21,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:44:21,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095726938] [2022-01-18 11:44:21,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:44:21,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:44:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:44:21,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:44:21,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:44:21,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095726938] [2022-01-18 11:44:21,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095726938] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:44:21,260 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:44:21,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:44:21,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131084370] [2022-01-18 11:44:21,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:44:21,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:44:21,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:44:21,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:44:21,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:44:21,261 INFO L87 Difference]: Start difference. First operand 52039 states and 142953 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:23,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:44:23,631 INFO L93 Difference]: Finished difference Result 124969 states and 344268 transitions. [2022-01-18 11:44:23,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:44:23,631 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:44:23,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:44:23,875 INFO L225 Difference]: With dead ends: 124969 [2022-01-18 11:44:23,875 INFO L226 Difference]: Without dead ends: 124643 [2022-01-18 11:44:23,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=689, Invalid=2851, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 11:44:23,876 INFO L933 BasicCegarLoop]: 944 mSDtfsCounter, 3305 mSDsluCounter, 11394 mSDsCounter, 0 mSdLazyCounter, 2119 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3305 SdHoareTripleChecker+Valid, 12247 SdHoareTripleChecker+Invalid, 2159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 2119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:44:23,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3305 Valid, 12247 Invalid, 2159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 2119 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:44:24,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124643 states. [2022-01-18 11:44:25,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124643 to 51871. [2022-01-18 11:44:25,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51871 states, 51870 states have (on average 2.7473105841526895) internal successors, (142503), 51870 states have internal predecessors, (142503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:25,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51871 states to 51871 states and 142503 transitions. [2022-01-18 11:44:25,529 INFO L78 Accepts]: Start accepts. Automaton has 51871 states and 142503 transitions. Word has length 163 [2022-01-18 11:44:25,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:44:25,529 INFO L470 AbstractCegarLoop]: Abstraction has 51871 states and 142503 transitions. [2022-01-18 11:44:25,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:25,530 INFO L276 IsEmpty]: Start isEmpty. Operand 51871 states and 142503 transitions. [2022-01-18 11:44:25,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:44:25,577 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:44:25,578 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:44:25,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-01-18 11:44:25,578 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:44:25,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:44:25,579 INFO L85 PathProgramCache]: Analyzing trace with hash -622327840, now seen corresponding path program 50 times [2022-01-18 11:44:25,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:44:25,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639342507] [2022-01-18 11:44:25,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:44:25,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:44:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:44:25,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:44:25,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:44:25,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639342507] [2022-01-18 11:44:25,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639342507] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:44:25,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:44:25,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:44:25,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776488867] [2022-01-18 11:44:25,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:44:25,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:44:25,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:44:25,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:44:25,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:44:25,837 INFO L87 Difference]: Start difference. First operand 51871 states and 142503 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:28,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:44:28,183 INFO L93 Difference]: Finished difference Result 123960 states and 341589 transitions. [2022-01-18 11:44:28,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:44:28,184 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:44:28,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:44:28,447 INFO L225 Difference]: With dead ends: 123960 [2022-01-18 11:44:28,447 INFO L226 Difference]: Without dead ends: 123821 [2022-01-18 11:44:28,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 895 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=698, Invalid=2724, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:44:28,448 INFO L933 BasicCegarLoop]: 917 mSDtfsCounter, 3124 mSDsluCounter, 11213 mSDsCounter, 0 mSdLazyCounter, 2001 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3124 SdHoareTripleChecker+Valid, 12041 SdHoareTripleChecker+Invalid, 2048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:44:28,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3124 Valid, 12041 Invalid, 2048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2001 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-18 11:44:28,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123821 states. [2022-01-18 11:44:29,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123821 to 51923. [2022-01-18 11:44:29,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51923 states, 51922 states have (on average 2.747082161704095) internal successors, (142634), 51922 states have internal predecessors, (142634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:30,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51923 states to 51923 states and 142634 transitions. [2022-01-18 11:44:30,062 INFO L78 Accepts]: Start accepts. Automaton has 51923 states and 142634 transitions. Word has length 163 [2022-01-18 11:44:30,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:44:30,062 INFO L470 AbstractCegarLoop]: Abstraction has 51923 states and 142634 transitions. [2022-01-18 11:44:30,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:30,062 INFO L276 IsEmpty]: Start isEmpty. Operand 51923 states and 142634 transitions. [2022-01-18 11:44:30,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:44:30,109 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:44:30,109 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:44:30,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-01-18 11:44:30,110 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:44:30,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:44:30,110 INFO L85 PathProgramCache]: Analyzing trace with hash 177291292, now seen corresponding path program 51 times [2022-01-18 11:44:30,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:44:30,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269145120] [2022-01-18 11:44:30,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:44:30,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:44:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:44:30,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:44:30,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:44:30,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269145120] [2022-01-18 11:44:30,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269145120] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:44:30,381 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:44:30,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:44:30,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166976783] [2022-01-18 11:44:30,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:44:30,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:44:30,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:44:30,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:44:30,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:44:30,382 INFO L87 Difference]: Start difference. First operand 51923 states and 142634 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:32,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:44:32,759 INFO L93 Difference]: Finished difference Result 123932 states and 341509 transitions. [2022-01-18 11:44:32,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 11:44:32,759 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:44:32,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:44:33,021 INFO L225 Difference]: With dead ends: 123932 [2022-01-18 11:44:33,021 INFO L226 Difference]: Without dead ends: 123766 [2022-01-18 11:44:33,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 714 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=609, Invalid=2361, Unknown=0, NotChecked=0, Total=2970 [2022-01-18 11:44:33,021 INFO L933 BasicCegarLoop]: 913 mSDtfsCounter, 3242 mSDsluCounter, 11194 mSDsCounter, 0 mSdLazyCounter, 1981 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3242 SdHoareTripleChecker+Valid, 12020 SdHoareTripleChecker+Invalid, 2014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:44:33,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3242 Valid, 12020 Invalid, 2014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1981 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:44:33,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123766 states. [2022-01-18 11:44:34,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123766 to 51887. [2022-01-18 11:44:34,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51887 states, 51886 states have (on average 2.747080137223914) internal successors, (142535), 51886 states have internal predecessors, (142535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:34,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51887 states to 51887 states and 142535 transitions. [2022-01-18 11:44:34,570 INFO L78 Accepts]: Start accepts. Automaton has 51887 states and 142535 transitions. Word has length 163 [2022-01-18 11:44:34,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:44:34,570 INFO L470 AbstractCegarLoop]: Abstraction has 51887 states and 142535 transitions. [2022-01-18 11:44:34,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:34,570 INFO L276 IsEmpty]: Start isEmpty. Operand 51887 states and 142535 transitions. [2022-01-18 11:44:34,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:44:34,622 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:44:34,622 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:44:34,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-01-18 11:44:34,622 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:44:34,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:44:34,623 INFO L85 PathProgramCache]: Analyzing trace with hash -103438624, now seen corresponding path program 52 times [2022-01-18 11:44:34,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:44:34,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265884047] [2022-01-18 11:44:34,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:44:34,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:44:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:44:34,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:44:34,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:44:34,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265884047] [2022-01-18 11:44:34,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265884047] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:44:34,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:44:34,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:44:34,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550868867] [2022-01-18 11:44:34,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:44:34,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:44:34,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:44:34,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:44:34,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:44:34,883 INFO L87 Difference]: Start difference. First operand 51887 states and 142535 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:37,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:44:37,078 INFO L93 Difference]: Finished difference Result 124162 states and 342035 transitions. [2022-01-18 11:44:37,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:44:37,078 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:44:37,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:44:37,338 INFO L225 Difference]: With dead ends: 124162 [2022-01-18 11:44:37,338 INFO L226 Difference]: Without dead ends: 123992 [2022-01-18 11:44:37,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=679, Invalid=2743, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:44:37,339 INFO L933 BasicCegarLoop]: 937 mSDtfsCounter, 3169 mSDsluCounter, 11656 mSDsCounter, 0 mSdLazyCounter, 2092 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3169 SdHoareTripleChecker+Valid, 12493 SdHoareTripleChecker+Invalid, 2130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:44:37,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3169 Valid, 12493 Invalid, 2130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2092 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:44:37,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123992 states. [2022-01-18 11:44:38,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123992 to 51875. [2022-01-18 11:44:38,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51875 states, 51874 states have (on average 2.7472336816131397) internal successors, (142510), 51874 states have internal predecessors, (142510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:38,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51875 states to 51875 states and 142510 transitions. [2022-01-18 11:44:38,884 INFO L78 Accepts]: Start accepts. Automaton has 51875 states and 142510 transitions. Word has length 163 [2022-01-18 11:44:38,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:44:38,884 INFO L470 AbstractCegarLoop]: Abstraction has 51875 states and 142510 transitions. [2022-01-18 11:44:38,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:38,885 INFO L276 IsEmpty]: Start isEmpty. Operand 51875 states and 142510 transitions. [2022-01-18 11:44:38,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:44:38,932 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:44:38,932 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:44:38,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-01-18 11:44:38,932 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:44:38,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:44:38,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1430445284, now seen corresponding path program 53 times [2022-01-18 11:44:38,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:44:38,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965863953] [2022-01-18 11:44:38,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:44:38,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:44:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:44:39,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:44:39,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:44:39,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965863953] [2022-01-18 11:44:39,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965863953] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:44:39,133 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:44:39,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:44:39,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126871171] [2022-01-18 11:44:39,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:44:39,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:44:39,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:44:39,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:44:39,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:44:39,134 INFO L87 Difference]: Start difference. First operand 51875 states and 142510 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:41,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:44:41,212 INFO L93 Difference]: Finished difference Result 123485 states and 340294 transitions. [2022-01-18 11:44:41,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-18 11:44:41,212 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:44:41,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:44:41,763 INFO L225 Difference]: With dead ends: 123485 [2022-01-18 11:44:41,763 INFO L226 Difference]: Without dead ends: 123346 [2022-01-18 11:44:41,764 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 772 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=666, Invalid=2526, Unknown=0, NotChecked=0, Total=3192 [2022-01-18 11:44:41,779 INFO L933 BasicCegarLoop]: 907 mSDtfsCounter, 2920 mSDsluCounter, 12004 mSDsCounter, 0 mSdLazyCounter, 2082 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2920 SdHoareTripleChecker+Valid, 12810 SdHoareTripleChecker+Invalid, 2136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 2082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:44:41,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2920 Valid, 12810 Invalid, 2136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 2082 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:44:41,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123346 states. [2022-01-18 11:44:43,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123346 to 51923. [2022-01-18 11:44:43,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51923 states, 51922 states have (on average 2.7470051230692194) internal successors, (142630), 51922 states have internal predecessors, (142630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:43,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51923 states to 51923 states and 142630 transitions. [2022-01-18 11:44:43,369 INFO L78 Accepts]: Start accepts. Automaton has 51923 states and 142630 transitions. Word has length 163 [2022-01-18 11:44:43,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:44:43,369 INFO L470 AbstractCegarLoop]: Abstraction has 51923 states and 142630 transitions. [2022-01-18 11:44:43,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:43,369 INFO L276 IsEmpty]: Start isEmpty. Operand 51923 states and 142630 transitions. [2022-01-18 11:44:43,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:44:43,422 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:44:43,422 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:44:43,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-01-18 11:44:43,422 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:44:43,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:44:43,422 INFO L85 PathProgramCache]: Analyzing trace with hash -630826152, now seen corresponding path program 54 times [2022-01-18 11:44:43,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:44:43,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375726982] [2022-01-18 11:44:43,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:44:43,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:44:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:44:43,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:44:43,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:44:43,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375726982] [2022-01-18 11:44:43,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375726982] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:44:43,669 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:44:43,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:44:43,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810592897] [2022-01-18 11:44:43,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:44:43,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:44:43,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:44:43,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:44:43,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:44:43,671 INFO L87 Difference]: Start difference. First operand 51923 states and 142630 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:45,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:44:45,595 INFO L93 Difference]: Finished difference Result 123476 states and 340264 transitions. [2022-01-18 11:44:45,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 11:44:45,595 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:44:45,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:44:45,847 INFO L225 Difference]: With dead ends: 123476 [2022-01-18 11:44:45,847 INFO L226 Difference]: Without dead ends: 123310 [2022-01-18 11:44:45,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 733 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=613, Invalid=2467, Unknown=0, NotChecked=0, Total=3080 [2022-01-18 11:44:45,852 INFO L933 BasicCegarLoop]: 928 mSDtfsCounter, 2871 mSDsluCounter, 12539 mSDsCounter, 0 mSdLazyCounter, 2133 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2871 SdHoareTripleChecker+Valid, 13336 SdHoareTripleChecker+Invalid, 2167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:44:45,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2871 Valid, 13336 Invalid, 2167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2133 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:44:46,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123310 states. [2022-01-18 11:44:47,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123310 to 51887. [2022-01-18 11:44:47,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51887 states, 51886 states have (on average 2.7470030451374168) internal successors, (142531), 51886 states have internal predecessors, (142531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:47,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51887 states to 51887 states and 142531 transitions. [2022-01-18 11:44:47,510 INFO L78 Accepts]: Start accepts. Automaton has 51887 states and 142531 transitions. Word has length 163 [2022-01-18 11:44:47,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:44:47,510 INFO L470 AbstractCegarLoop]: Abstraction has 51887 states and 142531 transitions. [2022-01-18 11:44:47,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:47,510 INFO L276 IsEmpty]: Start isEmpty. Operand 51887 states and 142531 transitions. [2022-01-18 11:44:47,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:44:47,558 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:44:47,558 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:44:47,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-01-18 11:44:47,559 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:44:47,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:44:47,561 INFO L85 PathProgramCache]: Analyzing trace with hash -362191136, now seen corresponding path program 55 times [2022-01-18 11:44:47,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:44:47,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234121180] [2022-01-18 11:44:47,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:44:47,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:44:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:44:47,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:44:47,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:44:47,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234121180] [2022-01-18 11:44:47,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234121180] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:44:47,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:44:47,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:44:47,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827631610] [2022-01-18 11:44:47,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:44:47,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:44:47,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:44:47,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:44:47,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:44:47,786 INFO L87 Difference]: Start difference. First operand 51887 states and 142531 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:49,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:44:49,564 INFO L93 Difference]: Finished difference Result 123307 states and 339871 transitions. [2022-01-18 11:44:49,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 11:44:49,564 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:44:49,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:44:50,112 INFO L225 Difference]: With dead ends: 123307 [2022-01-18 11:44:50,112 INFO L226 Difference]: Without dead ends: 122921 [2022-01-18 11:44:50,112 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=579, Invalid=2391, Unknown=0, NotChecked=0, Total=2970 [2022-01-18 11:44:50,112 INFO L933 BasicCegarLoop]: 953 mSDtfsCounter, 3086 mSDsluCounter, 11749 mSDsCounter, 0 mSdLazyCounter, 2028 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3086 SdHoareTripleChecker+Valid, 12586 SdHoareTripleChecker+Invalid, 2061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:44:50,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3086 Valid, 12586 Invalid, 2061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2028 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:44:50,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122921 states. [2022-01-18 11:44:51,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122921 to 51647. [2022-01-18 11:44:51,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51647 states, 51646 states have (on average 2.748615575262363) internal successors, (141955), 51646 states have internal predecessors, (141955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:51,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51647 states to 51647 states and 141955 transitions. [2022-01-18 11:44:51,696 INFO L78 Accepts]: Start accepts. Automaton has 51647 states and 141955 transitions. Word has length 163 [2022-01-18 11:44:51,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:44:51,696 INFO L470 AbstractCegarLoop]: Abstraction has 51647 states and 141955 transitions. [2022-01-18 11:44:51,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:51,702 INFO L276 IsEmpty]: Start isEmpty. Operand 51647 states and 141955 transitions. [2022-01-18 11:44:51,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:44:51,752 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:44:51,752 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:44:51,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-01-18 11:44:51,752 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:44:51,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:44:51,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1601500704, now seen corresponding path program 56 times [2022-01-18 11:44:51,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:44:51,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891361155] [2022-01-18 11:44:51,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:44:51,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:44:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:44:52,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:44:52,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:44:52,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891361155] [2022-01-18 11:44:52,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891361155] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:44:52,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:44:52,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:44:52,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608427417] [2022-01-18 11:44:52,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:44:52,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:44:52,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:44:52,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:44:52,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:44:52,025 INFO L87 Difference]: Start difference. First operand 51647 states and 141955 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:55,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:44:55,192 INFO L93 Difference]: Finished difference Result 126641 states and 349550 transitions. [2022-01-18 11:44:55,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 11:44:55,193 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:44:55,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:44:55,439 INFO L225 Difference]: With dead ends: 126641 [2022-01-18 11:44:55,439 INFO L226 Difference]: Without dead ends: 125798 [2022-01-18 11:44:55,439 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 963 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1052, Invalid=3640, Unknown=0, NotChecked=0, Total=4692 [2022-01-18 11:44:55,440 INFO L933 BasicCegarLoop]: 1466 mSDtfsCounter, 5089 mSDsluCounter, 15756 mSDsCounter, 0 mSdLazyCounter, 3345 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5089 SdHoareTripleChecker+Valid, 17105 SdHoareTripleChecker+Invalid, 3394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 3345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:44:55,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5089 Valid, 17105 Invalid, 3394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 3345 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-18 11:44:55,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125798 states. [2022-01-18 11:44:56,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125798 to 53502. [2022-01-18 11:44:56,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53502 states, 53501 states have (on average 2.7476869591222592) internal successors, (147004), 53501 states have internal predecessors, (147004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:57,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53502 states to 53502 states and 147004 transitions. [2022-01-18 11:44:57,074 INFO L78 Accepts]: Start accepts. Automaton has 53502 states and 147004 transitions. Word has length 163 [2022-01-18 11:44:57,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:44:57,074 INFO L470 AbstractCegarLoop]: Abstraction has 53502 states and 147004 transitions. [2022-01-18 11:44:57,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:57,074 INFO L276 IsEmpty]: Start isEmpty. Operand 53502 states and 147004 transitions. [2022-01-18 11:44:57,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:44:57,128 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:44:57,128 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:44:57,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-01-18 11:44:57,128 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:44:57,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:44:57,129 INFO L85 PathProgramCache]: Analyzing trace with hash 464073824, now seen corresponding path program 57 times [2022-01-18 11:44:57,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:44:57,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089189267] [2022-01-18 11:44:57,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:44:57,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:44:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:44:57,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:44:57,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:44:57,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089189267] [2022-01-18 11:44:57,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089189267] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:44:57,325 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:44:57,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:44:57,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089622391] [2022-01-18 11:44:57,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:44:57,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:44:57,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:44:57,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:44:57,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:44:57,326 INFO L87 Difference]: Start difference. First operand 53502 states and 147004 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:44:58,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:44:58,824 INFO L93 Difference]: Finished difference Result 105459 states and 290853 transitions. [2022-01-18 11:44:58,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-18 11:44:58,824 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:44:58,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:44:59,031 INFO L225 Difference]: With dead ends: 105459 [2022-01-18 11:44:59,031 INFO L226 Difference]: Without dead ends: 105117 [2022-01-18 11:44:59,032 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 603 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=520, Invalid=2236, Unknown=0, NotChecked=0, Total=2756 [2022-01-18 11:44:59,032 INFO L933 BasicCegarLoop]: 958 mSDtfsCounter, 2929 mSDsluCounter, 11465 mSDsCounter, 0 mSdLazyCounter, 1907 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2929 SdHoareTripleChecker+Valid, 12310 SdHoareTripleChecker+Invalid, 1940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:44:59,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2929 Valid, 12310 Invalid, 1940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1907 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:44:59,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105117 states. [2022-01-18 11:45:00,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105117 to 53390. [2022-01-18 11:45:00,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53390 states, 53389 states have (on average 2.7476071850006556) internal successors, (146692), 53389 states have internal predecessors, (146692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:00,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53390 states to 53390 states and 146692 transitions. [2022-01-18 11:45:00,512 INFO L78 Accepts]: Start accepts. Automaton has 53390 states and 146692 transitions. Word has length 163 [2022-01-18 11:45:00,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:45:00,512 INFO L470 AbstractCegarLoop]: Abstraction has 53390 states and 146692 transitions. [2022-01-18 11:45:00,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:00,512 INFO L276 IsEmpty]: Start isEmpty. Operand 53390 states and 146692 transitions. [2022-01-18 11:45:00,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:45:00,870 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:45:00,870 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:45:00,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-01-18 11:45:00,870 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:45:00,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:45:00,871 INFO L85 PathProgramCache]: Analyzing trace with hash -75461088, now seen corresponding path program 58 times [2022-01-18 11:45:00,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:45:00,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779852077] [2022-01-18 11:45:00,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:45:00,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:45:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:45:01,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:45:01,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:45:01,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779852077] [2022-01-18 11:45:01,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779852077] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:45:01,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:45:01,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:45:01,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038231983] [2022-01-18 11:45:01,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:45:01,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:45:01,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:45:01,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:45:01,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:45:01,107 INFO L87 Difference]: Start difference. First operand 53390 states and 146692 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:03,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:45:03,350 INFO L93 Difference]: Finished difference Result 133028 states and 366530 transitions. [2022-01-18 11:45:03,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-18 11:45:03,351 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:45:03,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:45:03,601 INFO L225 Difference]: With dead ends: 133028 [2022-01-18 11:45:03,601 INFO L226 Difference]: Without dead ends: 132674 [2022-01-18 11:45:03,602 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 831 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=672, Invalid=2634, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 11:45:03,602 INFO L933 BasicCegarLoop]: 939 mSDtfsCounter, 3413 mSDsluCounter, 12435 mSDsCounter, 0 mSdLazyCounter, 2257 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3413 SdHoareTripleChecker+Valid, 13236 SdHoareTripleChecker+Invalid, 2285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:45:03,602 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3413 Valid, 13236 Invalid, 2285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2257 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:45:04,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132674 states. [2022-01-18 11:45:04,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132674 to 54494. [2022-01-18 11:45:05,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54494 states, 54493 states have (on average 2.746701411190428) internal successors, (149676), 54493 states have internal predecessors, (149676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:05,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54494 states to 54494 states and 149676 transitions. [2022-01-18 11:45:05,163 INFO L78 Accepts]: Start accepts. Automaton has 54494 states and 149676 transitions. Word has length 163 [2022-01-18 11:45:05,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:45:05,163 INFO L470 AbstractCegarLoop]: Abstraction has 54494 states and 149676 transitions. [2022-01-18 11:45:05,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:05,163 INFO L276 IsEmpty]: Start isEmpty. Operand 54494 states and 149676 transitions. [2022-01-18 11:45:05,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:45:05,567 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:45:05,567 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:45:05,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-01-18 11:45:05,567 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:45:05,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:45:05,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1007631742, now seen corresponding path program 59 times [2022-01-18 11:45:05,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:45:05,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312860419] [2022-01-18 11:45:05,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:45:05,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:45:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:45:05,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:45:05,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:45:05,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312860419] [2022-01-18 11:45:05,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312860419] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:45:05,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:45:05,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:45:05,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924370883] [2022-01-18 11:45:05,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:45:05,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:45:05,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:45:05,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:45:05,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:45:05,804 INFO L87 Difference]: Start difference. First operand 54494 states and 149676 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:07,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:45:07,543 INFO L93 Difference]: Finished difference Result 133136 states and 366831 transitions. [2022-01-18 11:45:07,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:45:07,543 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:45:07,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:45:07,812 INFO L225 Difference]: With dead ends: 133136 [2022-01-18 11:45:07,812 INFO L226 Difference]: Without dead ends: 132822 [2022-01-18 11:45:07,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 857 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=705, Invalid=2717, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:45:07,813 INFO L933 BasicCegarLoop]: 918 mSDtfsCounter, 3227 mSDsluCounter, 11465 mSDsCounter, 0 mSdLazyCounter, 2123 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3227 SdHoareTripleChecker+Valid, 12264 SdHoareTripleChecker+Invalid, 2160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:45:07,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3227 Valid, 12264 Invalid, 2160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2123 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:45:08,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132822 states. [2022-01-18 11:45:09,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132822 to 54338. [2022-01-18 11:45:09,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54338 states, 54337 states have (on average 2.746691941034654) internal successors, (149247), 54337 states have internal predecessors, (149247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:09,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54338 states to 54338 states and 149247 transitions. [2022-01-18 11:45:09,473 INFO L78 Accepts]: Start accepts. Automaton has 54338 states and 149247 transitions. Word has length 163 [2022-01-18 11:45:09,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:45:09,474 INFO L470 AbstractCegarLoop]: Abstraction has 54338 states and 149247 transitions. [2022-01-18 11:45:09,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:09,474 INFO L276 IsEmpty]: Start isEmpty. Operand 54338 states and 149247 transitions. [2022-01-18 11:45:09,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:45:09,833 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:45:09,833 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:45:09,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-01-18 11:45:09,833 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:45:09,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:45:09,834 INFO L85 PathProgramCache]: Analyzing trace with hash 788542230, now seen corresponding path program 60 times [2022-01-18 11:45:09,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:45:09,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829036956] [2022-01-18 11:45:09,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:45:09,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:45:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:45:10,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:45:10,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:45:10,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829036956] [2022-01-18 11:45:10,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829036956] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:45:10,030 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:45:10,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:45:10,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431649512] [2022-01-18 11:45:10,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:45:10,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:45:10,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:45:10,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:45:10,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:45:10,031 INFO L87 Difference]: Start difference. First operand 54338 states and 149247 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:11,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:45:11,803 INFO L93 Difference]: Finished difference Result 135625 states and 373692 transitions. [2022-01-18 11:45:11,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:45:11,803 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:45:11,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:45:12,065 INFO L225 Difference]: With dead ends: 135625 [2022-01-18 11:45:12,065 INFO L226 Difference]: Without dead ends: 135411 [2022-01-18 11:45:12,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 869 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=726, Invalid=2696, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:45:12,066 INFO L933 BasicCegarLoop]: 915 mSDtfsCounter, 3439 mSDsluCounter, 11782 mSDsCounter, 0 mSdLazyCounter, 2163 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3439 SdHoareTripleChecker+Valid, 12571 SdHoareTripleChecker+Invalid, 2189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:45:12,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3439 Valid, 12571 Invalid, 2189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2163 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:45:12,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135411 states. [2022-01-18 11:45:13,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135411 to 54286. [2022-01-18 11:45:13,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54286 states, 54285 states have (on average 2.746688772220687) internal successors, (149104), 54285 states have internal predecessors, (149104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:14,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54286 states to 54286 states and 149104 transitions. [2022-01-18 11:45:14,005 INFO L78 Accepts]: Start accepts. Automaton has 54286 states and 149104 transitions. Word has length 163 [2022-01-18 11:45:14,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:45:14,005 INFO L470 AbstractCegarLoop]: Abstraction has 54286 states and 149104 transitions. [2022-01-18 11:45:14,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:14,006 INFO L276 IsEmpty]: Start isEmpty. Operand 54286 states and 149104 transitions. [2022-01-18 11:45:14,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:45:14,091 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:45:14,091 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:45:14,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-01-18 11:45:14,092 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:45:14,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:45:14,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1226196760, now seen corresponding path program 61 times [2022-01-18 11:45:14,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:45:14,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36342739] [2022-01-18 11:45:14,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:45:14,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:45:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:45:14,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:45:14,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:45:14,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36342739] [2022-01-18 11:45:14,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36342739] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:45:14,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:45:14,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:45:14,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548149534] [2022-01-18 11:45:14,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:45:14,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:45:14,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:45:14,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:45:14,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:45:14,312 INFO L87 Difference]: Start difference. First operand 54286 states and 149104 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:16,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:45:16,354 INFO L93 Difference]: Finished difference Result 140463 states and 387035 transitions. [2022-01-18 11:45:16,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:45:16,355 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:45:16,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:45:16,615 INFO L225 Difference]: With dead ends: 140463 [2022-01-18 11:45:16,615 INFO L226 Difference]: Without dead ends: 139573 [2022-01-18 11:45:16,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 925 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=755, Invalid=2785, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 11:45:16,616 INFO L933 BasicCegarLoop]: 935 mSDtfsCounter, 3425 mSDsluCounter, 11289 mSDsCounter, 0 mSdLazyCounter, 2186 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3425 SdHoareTripleChecker+Valid, 12112 SdHoareTripleChecker+Invalid, 2213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:45:16,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3425 Valid, 12112 Invalid, 2213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2186 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:45:17,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139573 states. [2022-01-18 11:45:18,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139573 to 53610. [2022-01-18 11:45:18,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53610 states, 53609 states have (on average 2.746647018224552) internal successors, (147245), 53609 states have internal predecessors, (147245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:18,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53610 states to 53610 states and 147245 transitions. [2022-01-18 11:45:18,846 INFO L78 Accepts]: Start accepts. Automaton has 53610 states and 147245 transitions. Word has length 163 [2022-01-18 11:45:18,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:45:18,846 INFO L470 AbstractCegarLoop]: Abstraction has 53610 states and 147245 transitions. [2022-01-18 11:45:18,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:18,846 INFO L276 IsEmpty]: Start isEmpty. Operand 53610 states and 147245 transitions. [2022-01-18 11:45:18,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:45:18,891 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:45:18,891 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:45:18,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-01-18 11:45:18,891 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:45:18,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:45:18,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1350624506, now seen corresponding path program 62 times [2022-01-18 11:45:18,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:45:18,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741869153] [2022-01-18 11:45:18,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:45:18,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:45:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:45:19,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:45:19,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:45:19,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741869153] [2022-01-18 11:45:19,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741869153] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:45:19,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:45:19,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:45:19,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875797469] [2022-01-18 11:45:19,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:45:19,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:45:19,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:45:19,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:45:19,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:45:19,105 INFO L87 Difference]: Start difference. First operand 53610 states and 147245 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:21,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:45:21,494 INFO L93 Difference]: Finished difference Result 141295 states and 389357 transitions. [2022-01-18 11:45:21,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:45:21,494 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:45:21,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:45:22,097 INFO L225 Difference]: With dead ends: 141295 [2022-01-18 11:45:22,097 INFO L226 Difference]: Without dead ends: 141025 [2022-01-18 11:45:22,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 870 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=726, Invalid=2696, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:45:22,097 INFO L933 BasicCegarLoop]: 917 mSDtfsCounter, 3297 mSDsluCounter, 11512 mSDsCounter, 0 mSdLazyCounter, 2199 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3297 SdHoareTripleChecker+Valid, 12312 SdHoareTripleChecker+Invalid, 2226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:45:22,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3297 Valid, 12312 Invalid, 2226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2199 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:45:22,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141025 states. [2022-01-18 11:45:23,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141025 to 53558. [2022-01-18 11:45:23,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53558 states, 53557 states have (on average 2.7466437627200926) internal successors, (147102), 53557 states have internal predecessors, (147102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:23,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53558 states to 53558 states and 147102 transitions. [2022-01-18 11:45:23,722 INFO L78 Accepts]: Start accepts. Automaton has 53558 states and 147102 transitions. Word has length 163 [2022-01-18 11:45:23,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:45:23,722 INFO L470 AbstractCegarLoop]: Abstraction has 53558 states and 147102 transitions. [2022-01-18 11:45:23,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:23,723 INFO L276 IsEmpty]: Start isEmpty. Operand 53558 states and 147102 transitions. [2022-01-18 11:45:23,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:45:23,771 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:45:23,771 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:45:23,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-01-18 11:45:23,772 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:45:23,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:45:23,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1006058518, now seen corresponding path program 63 times [2022-01-18 11:45:23,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:45:23,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905191297] [2022-01-18 11:45:23,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:45:23,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:45:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:45:24,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:45:24,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:45:24,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905191297] [2022-01-18 11:45:24,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905191297] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:45:24,011 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:45:24,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:45:24,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147140232] [2022-01-18 11:45:24,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:45:24,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:45:24,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:45:24,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:45:24,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:45:24,017 INFO L87 Difference]: Start difference. First operand 53558 states and 147102 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:25,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:45:25,863 INFO L93 Difference]: Finished difference Result 126191 states and 347812 transitions. [2022-01-18 11:45:25,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-18 11:45:25,863 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:45:25,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:45:26,111 INFO L225 Difference]: With dead ends: 126191 [2022-01-18 11:45:26,111 INFO L226 Difference]: Without dead ends: 125805 [2022-01-18 11:45:26,399 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 769 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=677, Invalid=2515, Unknown=0, NotChecked=0, Total=3192 [2022-01-18 11:45:26,399 INFO L933 BasicCegarLoop]: 903 mSDtfsCounter, 3102 mSDsluCounter, 11151 mSDsCounter, 0 mSdLazyCounter, 2010 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3102 SdHoareTripleChecker+Valid, 11940 SdHoareTripleChecker+Invalid, 2038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:45:26,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3102 Valid, 11940 Invalid, 2038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2010 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:45:26,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125805 states. [2022-01-18 11:45:27,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125805 to 53402. [2022-01-18 11:45:27,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53402 states, 53401 states have (on average 2.7473830078088426) internal successors, (146713), 53401 states have internal predecessors, (146713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:27,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53402 states to 53402 states and 146713 transitions. [2022-01-18 11:45:27,877 INFO L78 Accepts]: Start accepts. Automaton has 53402 states and 146713 transitions. Word has length 163 [2022-01-18 11:45:27,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:45:27,877 INFO L470 AbstractCegarLoop]: Abstraction has 53402 states and 146713 transitions. [2022-01-18 11:45:27,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:27,877 INFO L276 IsEmpty]: Start isEmpty. Operand 53402 states and 146713 transitions. [2022-01-18 11:45:27,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:45:27,919 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:45:27,919 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:45:27,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-01-18 11:45:27,919 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:45:27,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:45:27,920 INFO L85 PathProgramCache]: Analyzing trace with hash 106116924, now seen corresponding path program 64 times [2022-01-18 11:45:27,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:45:27,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883823179] [2022-01-18 11:45:27,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:45:27,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:45:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:45:28,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:45:28,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:45:28,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883823179] [2022-01-18 11:45:28,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883823179] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:45:28,136 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:45:28,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:45:28,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57506789] [2022-01-18 11:45:28,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:45:28,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:45:28,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:45:28,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:45:28,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:45:28,136 INFO L87 Difference]: Start difference. First operand 53402 states and 146713 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:30,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:45:30,171 INFO L93 Difference]: Finished difference Result 131368 states and 361962 transitions. [2022-01-18 11:45:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-18 11:45:30,171 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:45:30,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:45:30,419 INFO L225 Difference]: With dead ends: 131368 [2022-01-18 11:45:30,419 INFO L226 Difference]: Without dead ends: 131014 [2022-01-18 11:45:30,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 809 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=660, Invalid=2646, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 11:45:30,420 INFO L933 BasicCegarLoop]: 915 mSDtfsCounter, 3938 mSDsluCounter, 11373 mSDsCounter, 0 mSdLazyCounter, 2185 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3938 SdHoareTripleChecker+Valid, 12160 SdHoareTripleChecker+Invalid, 2213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:45:30,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3938 Valid, 12160 Invalid, 2213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2185 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:45:30,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131014 states. [2022-01-18 11:45:31,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131014 to 54342. [2022-01-18 11:45:31,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54342 states, 54341 states have (on average 2.7464713568024144) internal successors, (149246), 54341 states have internal predecessors, (149246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:32,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54342 states to 54342 states and 149246 transitions. [2022-01-18 11:45:32,312 INFO L78 Accepts]: Start accepts. Automaton has 54342 states and 149246 transitions. Word has length 163 [2022-01-18 11:45:32,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:45:32,312 INFO L470 AbstractCegarLoop]: Abstraction has 54342 states and 149246 transitions. [2022-01-18 11:45:32,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:32,312 INFO L276 IsEmpty]: Start isEmpty. Operand 54342 states and 149246 transitions. [2022-01-18 11:45:32,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:45:32,353 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:45:32,353 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:45:32,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-01-18 11:45:32,353 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:45:32,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:45:32,353 INFO L85 PathProgramCache]: Analyzing trace with hash -826053730, now seen corresponding path program 65 times [2022-01-18 11:45:32,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:45:32,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057722246] [2022-01-18 11:45:32,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:45:32,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:45:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:45:32,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:45:32,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:45:32,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057722246] [2022-01-18 11:45:32,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057722246] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:45:32,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:45:32,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:45:32,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234684936] [2022-01-18 11:45:32,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:45:32,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:45:32,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:45:32,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:45:32,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:45:32,563 INFO L87 Difference]: Start difference. First operand 54342 states and 149246 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:34,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:45:34,408 INFO L93 Difference]: Finished difference Result 131476 states and 362263 transitions. [2022-01-18 11:45:34,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-18 11:45:34,408 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:45:34,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:45:34,701 INFO L225 Difference]: With dead ends: 131476 [2022-01-18 11:45:34,701 INFO L226 Difference]: Without dead ends: 131162 [2022-01-18 11:45:34,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 834 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=695, Invalid=2727, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:45:34,702 INFO L933 BasicCegarLoop]: 894 mSDtfsCounter, 3413 mSDsluCounter, 10984 mSDsCounter, 0 mSdLazyCounter, 2160 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3413 SdHoareTripleChecker+Valid, 11760 SdHoareTripleChecker+Invalid, 2198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:45:34,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3413 Valid, 11760 Invalid, 2198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2160 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:45:35,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131162 states. [2022-01-18 11:45:36,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131162 to 54186. [2022-01-18 11:45:36,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54186 states, 54185 states have (on average 2.7464611977484545) internal successors, (148817), 54185 states have internal predecessors, (148817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:36,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54186 states to 54186 states and 148817 transitions. [2022-01-18 11:45:36,670 INFO L78 Accepts]: Start accepts. Automaton has 54186 states and 148817 transitions. Word has length 163 [2022-01-18 11:45:36,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:45:36,671 INFO L470 AbstractCegarLoop]: Abstraction has 54186 states and 148817 transitions. [2022-01-18 11:45:36,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:36,671 INFO L276 IsEmpty]: Start isEmpty. Operand 54186 states and 148817 transitions. [2022-01-18 11:45:36,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:45:36,718 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:45:36,718 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:45:36,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-01-18 11:45:36,719 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:45:36,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:45:36,719 INFO L85 PathProgramCache]: Analyzing trace with hash 970120242, now seen corresponding path program 66 times [2022-01-18 11:45:36,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:45:36,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977985475] [2022-01-18 11:45:36,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:45:36,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:45:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:45:36,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:45:36,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:45:36,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977985475] [2022-01-18 11:45:36,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977985475] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:45:36,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:45:36,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:45:36,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471936541] [2022-01-18 11:45:36,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:45:36,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:45:36,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:45:36,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:45:36,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:45:36,970 INFO L87 Difference]: Start difference. First operand 54186 states and 148817 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:39,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:45:39,056 INFO L93 Difference]: Finished difference Result 133965 states and 369124 transitions. [2022-01-18 11:45:39,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-18 11:45:39,057 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:45:39,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:45:39,305 INFO L225 Difference]: With dead ends: 133965 [2022-01-18 11:45:39,305 INFO L226 Difference]: Without dead ends: 133751 [2022-01-18 11:45:39,306 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=716, Invalid=2706, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:45:39,307 INFO L933 BasicCegarLoop]: 891 mSDtfsCounter, 3274 mSDsluCounter, 11507 mSDsCounter, 0 mSdLazyCounter, 2292 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3274 SdHoareTripleChecker+Valid, 12272 SdHoareTripleChecker+Invalid, 2316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:45:39,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3274 Valid, 12272 Invalid, 2316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2292 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:45:39,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133751 states. [2022-01-18 11:45:40,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133751 to 54134. [2022-01-18 11:45:40,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54134 states, 54133 states have (on average 2.746457798385458) internal successors, (148674), 54133 states have internal predecessors, (148674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:41,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54134 states to 54134 states and 148674 transitions. [2022-01-18 11:45:41,236 INFO L78 Accepts]: Start accepts. Automaton has 54134 states and 148674 transitions. Word has length 163 [2022-01-18 11:45:41,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:45:41,236 INFO L470 AbstractCegarLoop]: Abstraction has 54134 states and 148674 transitions. [2022-01-18 11:45:41,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:41,236 INFO L276 IsEmpty]: Start isEmpty. Operand 54134 states and 148674 transitions. [2022-01-18 11:45:41,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:45:41,280 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:45:41,280 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:45:41,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-01-18 11:45:41,280 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:45:41,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:45:41,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1407774772, now seen corresponding path program 67 times [2022-01-18 11:45:41,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:45:41,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196906465] [2022-01-18 11:45:41,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:45:41,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:45:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:45:41,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:45:41,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:45:41,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196906465] [2022-01-18 11:45:41,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196906465] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:45:41,535 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:45:41,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-01-18 11:45:41,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90694135] [2022-01-18 11:45:41,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:45:41,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-01-18 11:45:41,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:45:41,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-01-18 11:45:41,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2022-01-18 11:45:41,536 INFO L87 Difference]: Start difference. First operand 54134 states and 148674 transitions. Second operand has 20 states, 20 states have (on average 8.15) internal successors, (163), 20 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:44,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:45:44,571 INFO L93 Difference]: Finished difference Result 180404 states and 498399 transitions. [2022-01-18 11:45:44,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:45:44,572 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 8.15) internal successors, (163), 20 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:45:44,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:45:44,900 INFO L225 Difference]: With dead ends: 180404 [2022-01-18 11:45:44,900 INFO L226 Difference]: Without dead ends: 179458 [2022-01-18 11:45:44,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 849 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=861, Invalid=2679, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 11:45:44,900 INFO L933 BasicCegarLoop]: 842 mSDtfsCounter, 4443 mSDsluCounter, 11737 mSDsCounter, 0 mSdLazyCounter, 2780 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4443 SdHoareTripleChecker+Valid, 12466 SdHoareTripleChecker+Invalid, 2850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 2780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 11:45:44,902 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4443 Valid, 12466 Invalid, 2850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 2780 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-18 11:45:45,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179458 states. [2022-01-18 11:45:46,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179458 to 53406. [2022-01-18 11:45:46,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53406 states, 53405 states have (on average 2.747308304465874) internal successors, (146720), 53405 states have internal predecessors, (146720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:46,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53406 states to 53406 states and 146720 transitions. [2022-01-18 11:45:46,695 INFO L78 Accepts]: Start accepts. Automaton has 53406 states and 146720 transitions. Word has length 163 [2022-01-18 11:45:46,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:45:46,695 INFO L470 AbstractCegarLoop]: Abstraction has 53406 states and 146720 transitions. [2022-01-18 11:45:46,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.15) internal successors, (163), 20 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:46,695 INFO L276 IsEmpty]: Start isEmpty. Operand 53406 states and 146720 transitions. [2022-01-18 11:45:46,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:45:46,742 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:45:46,742 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:45:46,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-01-18 11:45:46,742 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:45:46,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:45:46,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1390102954, now seen corresponding path program 68 times [2022-01-18 11:45:46,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:45:46,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875153588] [2022-01-18 11:45:46,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:45:46,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:45:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:45:47,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:45:47,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:45:47,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875153588] [2022-01-18 11:45:47,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875153588] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:45:47,031 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:45:47,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:45:47,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112280252] [2022-01-18 11:45:47,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:45:47,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:45:47,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:45:47,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:45:47,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:45:47,032 INFO L87 Difference]: Start difference. First operand 53406 states and 146720 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:49,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:45:49,332 INFO L93 Difference]: Finished difference Result 126864 states and 349590 transitions. [2022-01-18 11:45:49,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-18 11:45:49,333 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:45:49,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:45:49,576 INFO L225 Difference]: With dead ends: 126864 [2022-01-18 11:45:49,576 INFO L226 Difference]: Without dead ends: 126510 [2022-01-18 11:45:49,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 824 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=644, Invalid=2662, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 11:45:49,577 INFO L933 BasicCegarLoop]: 933 mSDtfsCounter, 3474 mSDsluCounter, 11437 mSDsCounter, 0 mSdLazyCounter, 2211 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3474 SdHoareTripleChecker+Valid, 12250 SdHoareTripleChecker+Invalid, 2234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:45:49,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3474 Valid, 12250 Invalid, 2234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 2211 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:45:49,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126510 states. [2022-01-18 11:45:50,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126510 to 54342. [2022-01-18 11:45:51,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54342 states, 54341 states have (on average 2.746397747557093) internal successors, (149242), 54341 states have internal predecessors, (149242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:51,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54342 states to 54342 states and 149242 transitions. [2022-01-18 11:45:51,144 INFO L78 Accepts]: Start accepts. Automaton has 54342 states and 149242 transitions. Word has length 163 [2022-01-18 11:45:51,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:45:51,144 INFO L470 AbstractCegarLoop]: Abstraction has 54342 states and 149242 transitions. [2022-01-18 11:45:51,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:51,144 INFO L276 IsEmpty]: Start isEmpty. Operand 54342 states and 149242 transitions. [2022-01-18 11:45:51,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:45:51,190 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:45:51,190 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:45:51,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-01-18 11:45:51,190 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:45:51,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:45:51,190 INFO L85 PathProgramCache]: Analyzing trace with hash 457932300, now seen corresponding path program 69 times [2022-01-18 11:45:51,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:45:51,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031064215] [2022-01-18 11:45:51,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:45:51,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:45:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:45:51,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:45:51,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:45:51,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031064215] [2022-01-18 11:45:51,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031064215] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:45:51,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:45:51,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:45:51,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170201112] [2022-01-18 11:45:51,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:45:51,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:45:51,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:45:51,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:45:51,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:45:51,410 INFO L87 Difference]: Start difference. First operand 54342 states and 149242 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:53,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:45:53,861 INFO L93 Difference]: Finished difference Result 126972 states and 349891 transitions. [2022-01-18 11:45:53,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-18 11:45:53,862 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:45:53,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:45:54,110 INFO L225 Difference]: With dead ends: 126972 [2022-01-18 11:45:54,110 INFO L226 Difference]: Without dead ends: 126658 [2022-01-18 11:45:54,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 849 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=682, Invalid=2740, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:45:54,111 INFO L933 BasicCegarLoop]: 912 mSDtfsCounter, 3004 mSDsluCounter, 11422 mSDsCounter, 0 mSdLazyCounter, 2212 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3004 SdHoareTripleChecker+Valid, 12216 SdHoareTripleChecker+Invalid, 2240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:45:54,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3004 Valid, 12216 Invalid, 2240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2212 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:45:54,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126658 states. [2022-01-18 11:45:55,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126658 to 54186. [2022-01-18 11:45:55,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54186 states, 54185 states have (on average 2.7463873765802345) internal successors, (148813), 54185 states have internal predecessors, (148813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:55,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54186 states to 54186 states and 148813 transitions. [2022-01-18 11:45:55,841 INFO L78 Accepts]: Start accepts. Automaton has 54186 states and 148813 transitions. Word has length 163 [2022-01-18 11:45:55,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:45:55,841 INFO L470 AbstractCegarLoop]: Abstraction has 54186 states and 148813 transitions. [2022-01-18 11:45:55,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:55,841 INFO L276 IsEmpty]: Start isEmpty. Operand 54186 states and 148813 transitions. [2022-01-18 11:45:55,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:45:55,893 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:45:55,893 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:45:55,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-01-18 11:45:55,893 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:45:55,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:45:55,893 INFO L85 PathProgramCache]: Analyzing trace with hash -2040861024, now seen corresponding path program 70 times [2022-01-18 11:45:55,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:45:55,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754408870] [2022-01-18 11:45:55,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:45:55,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:45:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:45:56,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:45:56,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:45:56,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754408870] [2022-01-18 11:45:56,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754408870] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:45:56,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:45:56,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:45:56,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191649186] [2022-01-18 11:45:56,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:45:56,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:45:56,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:45:56,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:45:56,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:45:56,155 INFO L87 Difference]: Start difference. First operand 54186 states and 148813 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:45:58,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:45:58,651 INFO L93 Difference]: Finished difference Result 129461 states and 356752 transitions. [2022-01-18 11:45:58,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-18 11:45:58,651 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:45:58,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:45:58,918 INFO L225 Difference]: With dead ends: 129461 [2022-01-18 11:45:58,918 INFO L226 Difference]: Without dead ends: 129247 [2022-01-18 11:45:58,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 863 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=703, Invalid=2719, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:45:58,918 INFO L933 BasicCegarLoop]: 909 mSDtfsCounter, 2885 mSDsluCounter, 11992 mSDsCounter, 0 mSdLazyCounter, 2360 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2885 SdHoareTripleChecker+Valid, 12775 SdHoareTripleChecker+Invalid, 2383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:45:58,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2885 Valid, 12775 Invalid, 2383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 2360 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:45:59,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129247 states. [2022-01-18 11:46:00,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129247 to 54134. [2022-01-18 11:46:00,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54134 states, 54133 states have (on average 2.7463839063048416) internal successors, (148670), 54133 states have internal predecessors, (148670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:00,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54134 states to 54134 states and 148670 transitions. [2022-01-18 11:46:00,563 INFO L78 Accepts]: Start accepts. Automaton has 54134 states and 148670 transitions. Word has length 163 [2022-01-18 11:46:00,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:46:00,563 INFO L470 AbstractCegarLoop]: Abstraction has 54134 states and 148670 transitions. [2022-01-18 11:46:00,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:00,563 INFO L276 IsEmpty]: Start isEmpty. Operand 54134 states and 148670 transitions. [2022-01-18 11:46:00,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:46:00,613 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:46:00,613 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:46:00,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-01-18 11:46:00,613 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:46:00,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:46:00,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1603206494, now seen corresponding path program 71 times [2022-01-18 11:46:00,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:46:00,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552278288] [2022-01-18 11:46:00,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:46:00,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:46:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:46:00,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:46:00,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:46:00,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552278288] [2022-01-18 11:46:00,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552278288] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:46:00,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:46:00,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:46:00,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800365064] [2022-01-18 11:46:00,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:46:00,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:46:00,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:46:00,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:46:00,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:46:00,834 INFO L87 Difference]: Start difference. First operand 54134 states and 148670 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:03,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:46:03,310 INFO L93 Difference]: Finished difference Result 123387 states and 340112 transitions. [2022-01-18 11:46:03,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-18 11:46:03,310 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:46:03,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:46:03,611 INFO L225 Difference]: With dead ends: 123387 [2022-01-18 11:46:03,611 INFO L226 Difference]: Without dead ends: 122497 [2022-01-18 11:46:03,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 817 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=681, Invalid=2625, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 11:46:03,612 INFO L933 BasicCegarLoop]: 928 mSDtfsCounter, 2839 mSDsluCounter, 11434 mSDsCounter, 0 mSdLazyCounter, 2266 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2839 SdHoareTripleChecker+Valid, 12246 SdHoareTripleChecker+Invalid, 2290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:46:03,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2839 Valid, 12246 Invalid, 2290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2266 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:46:03,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122497 states. [2022-01-18 11:46:04,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122497 to 53458. [2022-01-18 11:46:05,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53458 states, 53457 states have (on average 2.7463381783489536) internal successors, (146811), 53457 states have internal predecessors, (146811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:05,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53458 states to 53458 states and 146811 transitions. [2022-01-18 11:46:05,128 INFO L78 Accepts]: Start accepts. Automaton has 53458 states and 146811 transitions. Word has length 163 [2022-01-18 11:46:05,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:46:05,128 INFO L470 AbstractCegarLoop]: Abstraction has 53458 states and 146811 transitions. [2022-01-18 11:46:05,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:05,129 INFO L276 IsEmpty]: Start isEmpty. Operand 53458 states and 146811 transitions. [2022-01-18 11:46:05,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:46:05,178 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:46:05,178 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:46:05,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-01-18 11:46:05,178 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:46:05,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:46:05,178 INFO L85 PathProgramCache]: Analyzing trace with hash 186053644, now seen corresponding path program 72 times [2022-01-18 11:46:05,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:46:05,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311984966] [2022-01-18 11:46:05,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:46:05,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:46:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:46:05,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:46:05,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:46:05,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311984966] [2022-01-18 11:46:05,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311984966] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:46:05,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:46:05,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:46:05,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136412783] [2022-01-18 11:46:05,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:46:05,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:46:05,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:46:05,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:46:05,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:46:05,398 INFO L87 Difference]: Start difference. First operand 53458 states and 146811 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:06,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:46:06,890 INFO L93 Difference]: Finished difference Result 110240 states and 303735 transitions. [2022-01-18 11:46:06,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 11:46:06,890 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:46:06,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:46:07,106 INFO L225 Difference]: With dead ends: 110240 [2022-01-18 11:46:07,106 INFO L226 Difference]: Without dead ends: 109870 [2022-01-18 11:46:07,107 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=471, Invalid=1979, Unknown=0, NotChecked=0, Total=2450 [2022-01-18 11:46:07,107 INFO L933 BasicCegarLoop]: 856 mSDtfsCounter, 3388 mSDsluCounter, 10356 mSDsCounter, 0 mSdLazyCounter, 1970 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3388 SdHoareTripleChecker+Valid, 11101 SdHoareTripleChecker+Invalid, 1996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:46:07,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3388 Valid, 11101 Invalid, 1996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1970 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:46:07,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109870 states. [2022-01-18 11:46:08,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109870 to 53474. [2022-01-18 11:46:08,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53474 states, 53473 states have (on average 2.7462644699193985) internal successors, (146851), 53473 states have internal predecessors, (146851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:08,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53474 states to 53474 states and 146851 transitions. [2022-01-18 11:46:08,536 INFO L78 Accepts]: Start accepts. Automaton has 53474 states and 146851 transitions. Word has length 163 [2022-01-18 11:46:08,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:46:08,536 INFO L470 AbstractCegarLoop]: Abstraction has 53474 states and 146851 transitions. [2022-01-18 11:46:08,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:08,537 INFO L276 IsEmpty]: Start isEmpty. Operand 53474 states and 146851 transitions. [2022-01-18 11:46:08,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:46:08,581 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:46:08,581 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:46:08,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-01-18 11:46:08,581 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:46:08,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:46:08,582 INFO L85 PathProgramCache]: Analyzing trace with hash -718750256, now seen corresponding path program 73 times [2022-01-18 11:46:08,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:46:08,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632864906] [2022-01-18 11:46:08,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:46:08,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:46:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:46:09,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:46:09,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:46:09,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632864906] [2022-01-18 11:46:09,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632864906] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:46:09,157 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:46:09,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:46:09,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243663391] [2022-01-18 11:46:09,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:46:09,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:46:09,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:46:09,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:46:09,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:46:09,158 INFO L87 Difference]: Start difference. First operand 53474 states and 146851 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:10,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:46:10,805 INFO L93 Difference]: Finished difference Result 111389 states and 306763 transitions. [2022-01-18 11:46:10,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-18 11:46:10,805 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:46:10,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:46:11,016 INFO L225 Difference]: With dead ends: 111389 [2022-01-18 11:46:11,017 INFO L226 Difference]: Without dead ends: 111035 [2022-01-18 11:46:11,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 651 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=531, Invalid=2331, Unknown=0, NotChecked=0, Total=2862 [2022-01-18 11:46:11,019 INFO L933 BasicCegarLoop]: 859 mSDtfsCounter, 3347 mSDsluCounter, 10205 mSDsCounter, 0 mSdLazyCounter, 1989 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3347 SdHoareTripleChecker+Valid, 10961 SdHoareTripleChecker+Invalid, 2022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:46:11,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3347 Valid, 10961 Invalid, 2022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1989 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:46:11,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111035 states. [2022-01-18 11:46:12,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111035 to 53630. [2022-01-18 11:46:12,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53630 states, 53629 states have (on average 2.7453057114620822) internal successors, (147228), 53629 states have internal predecessors, (147228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:12,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53630 states to 53630 states and 147228 transitions. [2022-01-18 11:46:12,490 INFO L78 Accepts]: Start accepts. Automaton has 53630 states and 147228 transitions. Word has length 163 [2022-01-18 11:46:12,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:46:12,490 INFO L470 AbstractCegarLoop]: Abstraction has 53630 states and 147228 transitions. [2022-01-18 11:46:12,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:12,490 INFO L276 IsEmpty]: Start isEmpty. Operand 53630 states and 147228 transitions. [2022-01-18 11:46:12,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:46:12,536 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:46:12,537 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:46:12,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-01-18 11:46:12,537 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:46:12,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:46:12,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1650920910, now seen corresponding path program 74 times [2022-01-18 11:46:12,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:46:12,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015542518] [2022-01-18 11:46:12,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:46:12,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:46:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:46:12,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:46:12,731 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:46:12,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015542518] [2022-01-18 11:46:12,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015542518] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:46:12,731 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:46:12,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:46:12,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124673588] [2022-01-18 11:46:12,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:46:12,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:46:12,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:46:12,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:46:12,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:46:12,732 INFO L87 Difference]: Start difference. First operand 53630 states and 147228 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:14,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:46:14,477 INFO L93 Difference]: Finished difference Result 110488 states and 304481 transitions. [2022-01-18 11:46:14,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-18 11:46:14,477 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:46:14,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:46:14,691 INFO L225 Difference]: With dead ends: 110488 [2022-01-18 11:46:14,691 INFO L226 Difference]: Without dead ends: 110162 [2022-01-18 11:46:14,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 600 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=528, Invalid=2228, Unknown=0, NotChecked=0, Total=2756 [2022-01-18 11:46:14,692 INFO L933 BasicCegarLoop]: 837 mSDtfsCounter, 2716 mSDsluCounter, 10693 mSDsCounter, 0 mSdLazyCounter, 2008 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2716 SdHoareTripleChecker+Valid, 11415 SdHoareTripleChecker+Invalid, 2039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 11:46:14,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2716 Valid, 11415 Invalid, 2039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2008 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 11:46:14,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110162 states. [2022-01-18 11:46:15,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110162 to 53462. [2022-01-18 11:46:15,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53462 states, 53461 states have (on average 2.746263631432259) internal successors, (146818), 53461 states have internal predecessors, (146818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:16,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53462 states to 53462 states and 146818 transitions. [2022-01-18 11:46:16,103 INFO L78 Accepts]: Start accepts. Automaton has 53462 states and 146818 transitions. Word has length 163 [2022-01-18 11:46:16,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:46:16,103 INFO L470 AbstractCegarLoop]: Abstraction has 53462 states and 146818 transitions. [2022-01-18 11:46:16,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:16,103 INFO L276 IsEmpty]: Start isEmpty. Operand 53462 states and 146818 transitions. [2022-01-18 11:46:16,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:46:16,147 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:46:16,148 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:46:16,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-01-18 11:46:16,148 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:46:16,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:46:16,148 INFO L85 PathProgramCache]: Analyzing trace with hash 277469472, now seen corresponding path program 75 times [2022-01-18 11:46:16,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:46:16,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896195932] [2022-01-18 11:46:16,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:46:16,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:46:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:46:16,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:46:16,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:46:16,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896195932] [2022-01-18 11:46:16,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896195932] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:46:16,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:46:16,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:46:16,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197968622] [2022-01-18 11:46:16,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:46:16,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:46:16,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:46:16,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:46:16,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:46:16,408 INFO L87 Difference]: Start difference. First operand 53462 states and 146818 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:18,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:46:18,620 INFO L93 Difference]: Finished difference Result 116041 states and 319768 transitions. [2022-01-18 11:46:18,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 11:46:18,621 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:46:18,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:46:18,857 INFO L225 Difference]: With dead ends: 116041 [2022-01-18 11:46:18,858 INFO L226 Difference]: Without dead ends: 115687 [2022-01-18 11:46:18,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=585, Invalid=2495, Unknown=0, NotChecked=0, Total=3080 [2022-01-18 11:46:18,858 INFO L933 BasicCegarLoop]: 893 mSDtfsCounter, 2910 mSDsluCounter, 11151 mSDsCounter, 0 mSdLazyCounter, 2188 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2910 SdHoareTripleChecker+Valid, 11926 SdHoareTripleChecker+Invalid, 2212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:46:18,858 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2910 Valid, 11926 Invalid, 2212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2188 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:46:19,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115687 states. [2022-01-18 11:46:20,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115687 to 53670. [2022-01-18 11:46:20,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53670 states, 53669 states have (on average 2.7453092101585646) internal successors, (147338), 53669 states have internal predecessors, (147338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:20,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53670 states to 53670 states and 147338 transitions. [2022-01-18 11:46:20,347 INFO L78 Accepts]: Start accepts. Automaton has 53670 states and 147338 transitions. Word has length 163 [2022-01-18 11:46:20,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:46:20,347 INFO L470 AbstractCegarLoop]: Abstraction has 53670 states and 147338 transitions. [2022-01-18 11:46:20,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:20,347 INFO L276 IsEmpty]: Start isEmpty. Operand 53670 states and 147338 transitions. [2022-01-18 11:46:20,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:46:20,393 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:46:20,393 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:46:20,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-01-18 11:46:20,393 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:46:20,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:46:20,393 INFO L85 PathProgramCache]: Analyzing trace with hash -654701182, now seen corresponding path program 76 times [2022-01-18 11:46:20,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:46:20,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398428213] [2022-01-18 11:46:20,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:46:20,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:46:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:46:20,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:46:20,635 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:46:20,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398428213] [2022-01-18 11:46:20,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398428213] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:46:20,635 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:46:20,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:46:20,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313802806] [2022-01-18 11:46:20,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:46:20,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:46:20,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:46:20,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:46:20,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:46:20,636 INFO L87 Difference]: Start difference. First operand 53670 states and 147338 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:22,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:46:22,882 INFO L93 Difference]: Finished difference Result 115388 states and 318116 transitions. [2022-01-18 11:46:22,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-18 11:46:22,883 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:46:22,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:46:23,129 INFO L225 Difference]: With dead ends: 115388 [2022-01-18 11:46:23,130 INFO L226 Difference]: Without dead ends: 114938 [2022-01-18 11:46:23,130 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=641, Invalid=2115, Unknown=0, NotChecked=0, Total=2756 [2022-01-18 11:46:23,130 INFO L933 BasicCegarLoop]: 812 mSDtfsCounter, 2988 mSDsluCounter, 10178 mSDsCounter, 0 mSdLazyCounter, 2031 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2988 SdHoareTripleChecker+Valid, 10906 SdHoareTripleChecker+Invalid, 2092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 2031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:46:23,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2988 Valid, 10906 Invalid, 2092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 2031 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:46:23,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114938 states. [2022-01-18 11:46:24,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114938 to 53382. [2022-01-18 11:46:24,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53382 states, 53381 states have (on average 2.7475318933703003) internal successors, (146666), 53381 states have internal predecessors, (146666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:24,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53382 states to 53382 states and 146666 transitions. [2022-01-18 11:46:24,634 INFO L78 Accepts]: Start accepts. Automaton has 53382 states and 146666 transitions. Word has length 163 [2022-01-18 11:46:24,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:46:24,634 INFO L470 AbstractCegarLoop]: Abstraction has 53382 states and 146666 transitions. [2022-01-18 11:46:24,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:24,634 INFO L276 IsEmpty]: Start isEmpty. Operand 53382 states and 146666 transitions. [2022-01-18 11:46:24,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:46:24,681 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:46:24,681 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:46:24,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-01-18 11:46:24,681 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:46:24,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:46:24,681 INFO L85 PathProgramCache]: Analyzing trace with hash -216154394, now seen corresponding path program 77 times [2022-01-18 11:46:24,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:46:24,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086356196] [2022-01-18 11:46:24,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:46:24,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:46:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:46:24,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:46:24,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:46:24,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086356196] [2022-01-18 11:46:24,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086356196] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:46:24,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:46:24,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:46:24,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003443140] [2022-01-18 11:46:24,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:46:24,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:46:24,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:46:24,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:46:24,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:46:24,877 INFO L87 Difference]: Start difference. First operand 53382 states and 146666 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:26,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:46:26,767 INFO L93 Difference]: Finished difference Result 134808 states and 371425 transitions. [2022-01-18 11:46:26,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:46:26,767 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:46:26,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:46:27,368 INFO L225 Difference]: With dead ends: 134808 [2022-01-18 11:46:27,369 INFO L226 Difference]: Without dead ends: 134454 [2022-01-18 11:46:27,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 820 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=698, Invalid=2608, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 11:46:27,369 INFO L933 BasicCegarLoop]: 902 mSDtfsCounter, 3622 mSDsluCounter, 11098 mSDsCounter, 0 mSdLazyCounter, 2050 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3622 SdHoareTripleChecker+Valid, 11885 SdHoareTripleChecker+Invalid, 2079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:46:27,369 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3622 Valid, 11885 Invalid, 2079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2050 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:46:27,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134454 states. [2022-01-18 11:46:28,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134454 to 54522. [2022-01-18 11:46:28,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54522 states, 54521 states have (on average 2.7466297389996517) internal successors, (149749), 54521 states have internal predecessors, (149749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:28,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54522 states to 54522 states and 149749 transitions. [2022-01-18 11:46:28,888 INFO L78 Accepts]: Start accepts. Automaton has 54522 states and 149749 transitions. Word has length 163 [2022-01-18 11:46:28,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:46:28,888 INFO L470 AbstractCegarLoop]: Abstraction has 54522 states and 149749 transitions. [2022-01-18 11:46:28,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:28,888 INFO L276 IsEmpty]: Start isEmpty. Operand 54522 states and 149749 transitions. [2022-01-18 11:46:28,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:46:28,935 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:46:28,935 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:46:28,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-01-18 11:46:28,935 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:46:28,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:46:28,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1148325048, now seen corresponding path program 78 times [2022-01-18 11:46:28,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:46:28,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977949905] [2022-01-18 11:46:28,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:46:28,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:46:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:46:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:46:29,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:46:29,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977949905] [2022-01-18 11:46:29,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977949905] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:46:29,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:46:29,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:46:29,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806287495] [2022-01-18 11:46:29,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:46:29,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:46:29,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:46:29,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:46:29,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:46:29,152 INFO L87 Difference]: Start difference. First operand 54522 states and 149749 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:31,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:46:31,699 INFO L93 Difference]: Finished difference Result 134916 states and 371726 transitions. [2022-01-18 11:46:31,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:46:31,712 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:46:31,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:46:32,255 INFO L225 Difference]: With dead ends: 134916 [2022-01-18 11:46:32,255 INFO L226 Difference]: Without dead ends: 134602 [2022-01-18 11:46:32,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 846 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=731, Invalid=2691, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:46:32,256 INFO L933 BasicCegarLoop]: 881 mSDtfsCounter, 3220 mSDsluCounter, 10691 mSDsCounter, 0 mSdLazyCounter, 2024 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3220 SdHoareTripleChecker+Valid, 11466 SdHoareTripleChecker+Invalid, 2062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:46:32,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3220 Valid, 11466 Invalid, 2062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2024 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:46:32,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134602 states. [2022-01-18 11:46:33,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134602 to 54366. [2022-01-18 11:46:33,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54366 states, 54365 states have (on average 2.7466200680584936) internal successors, (149320), 54365 states have internal predecessors, (149320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:33,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54366 states to 54366 states and 149320 transitions. [2022-01-18 11:46:33,834 INFO L78 Accepts]: Start accepts. Automaton has 54366 states and 149320 transitions. Word has length 163 [2022-01-18 11:46:33,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:46:33,834 INFO L470 AbstractCegarLoop]: Abstraction has 54366 states and 149320 transitions. [2022-01-18 11:46:33,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:33,834 INFO L276 IsEmpty]: Start isEmpty. Operand 54366 states and 149320 transitions. [2022-01-18 11:46:33,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:46:33,879 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:46:33,880 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:46:33,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-01-18 11:46:33,880 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:46:33,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:46:33,881 INFO L85 PathProgramCache]: Analyzing trace with hash 647848924, now seen corresponding path program 79 times [2022-01-18 11:46:33,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:46:33,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822345691] [2022-01-18 11:46:33,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:46:33,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:46:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:46:34,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:46:34,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:46:34,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822345691] [2022-01-18 11:46:34,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822345691] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:46:34,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:46:34,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:46:34,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204090043] [2022-01-18 11:46:34,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:46:34,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:46:34,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:46:34,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:46:34,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:46:34,025 INFO L87 Difference]: Start difference. First operand 54366 states and 149320 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:35,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:46:35,784 INFO L93 Difference]: Finished difference Result 137405 states and 378587 transitions. [2022-01-18 11:46:35,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:46:35,785 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:46:35,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:46:36,054 INFO L225 Difference]: With dead ends: 137405 [2022-01-18 11:46:36,054 INFO L226 Difference]: Without dead ends: 137191 [2022-01-18 11:46:36,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 858 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=750, Invalid=2672, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:46:36,055 INFO L933 BasicCegarLoop]: 878 mSDtfsCounter, 3233 mSDsluCounter, 11011 mSDsCounter, 0 mSdLazyCounter, 2057 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3233 SdHoareTripleChecker+Valid, 11776 SdHoareTripleChecker+Invalid, 2084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:46:36,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3233 Valid, 11776 Invalid, 2084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2057 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:46:36,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137191 states. [2022-01-18 11:46:37,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137191 to 54314. [2022-01-18 11:46:37,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54314 states, 54313 states have (on average 2.746616832065988) internal successors, (149177), 54313 states have internal predecessors, (149177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:37,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54314 states to 54314 states and 149177 transitions. [2022-01-18 11:46:37,939 INFO L78 Accepts]: Start accepts. Automaton has 54314 states and 149177 transitions. Word has length 163 [2022-01-18 11:46:37,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:46:37,939 INFO L470 AbstractCegarLoop]: Abstraction has 54314 states and 149177 transitions. [2022-01-18 11:46:37,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:37,939 INFO L276 IsEmpty]: Start isEmpty. Operand 54314 states and 149177 transitions. [2022-01-18 11:46:37,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:46:37,983 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:46:37,983 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:46:37,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-01-18 11:46:37,984 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:46:37,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:46:37,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1085503454, now seen corresponding path program 80 times [2022-01-18 11:46:37,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:46:37,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962599424] [2022-01-18 11:46:37,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:46:37,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:46:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:46:38,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:46:38,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:46:38,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962599424] [2022-01-18 11:46:38,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962599424] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:46:38,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:46:38,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:46:38,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428335543] [2022-01-18 11:46:38,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:46:38,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:46:38,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:46:38,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:46:38,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:46:38,217 INFO L87 Difference]: Start difference. First operand 54314 states and 149177 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:40,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:46:40,194 INFO L93 Difference]: Finished difference Result 142243 states and 391930 transitions. [2022-01-18 11:46:40,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 11:46:40,194 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:46:40,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:46:40,755 INFO L225 Difference]: With dead ends: 142243 [2022-01-18 11:46:40,755 INFO L226 Difference]: Without dead ends: 141353 [2022-01-18 11:46:40,756 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 913 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=781, Invalid=2759, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 11:46:40,756 INFO L933 BasicCegarLoop]: 898 mSDtfsCounter, 3028 mSDsluCounter, 12335 mSDsCounter, 0 mSdLazyCounter, 2264 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3028 SdHoareTripleChecker+Valid, 13100 SdHoareTripleChecker+Invalid, 2292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:46:40,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3028 Valid, 13100 Invalid, 2292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2264 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:46:40,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141353 states. [2022-01-18 11:46:42,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141353 to 53638. [2022-01-18 11:46:42,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53638 states, 53637 states have (on average 2.7465741931875383) internal successors, (147318), 53637 states have internal predecessors, (147318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:42,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53638 states to 53638 states and 147318 transitions. [2022-01-18 11:46:42,283 INFO L78 Accepts]: Start accepts. Automaton has 53638 states and 147318 transitions. Word has length 163 [2022-01-18 11:46:42,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:46:42,283 INFO L470 AbstractCegarLoop]: Abstraction has 53638 states and 147318 transitions. [2022-01-18 11:46:42,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:42,283 INFO L276 IsEmpty]: Start isEmpty. Operand 53638 states and 147318 transitions. [2022-01-18 11:46:42,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:46:42,328 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:46:42,328 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:46:42,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-01-18 11:46:42,328 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:46:42,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:46:42,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1209931200, now seen corresponding path program 81 times [2022-01-18 11:46:42,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:46:42,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979470302] [2022-01-18 11:46:42,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:46:42,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:46:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:46:42,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:46:42,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:46:42,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979470302] [2022-01-18 11:46:42,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979470302] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:46:42,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:46:42,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:46:42,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272235226] [2022-01-18 11:46:42,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:46:42,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:46:42,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:46:42,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:46:42,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:46:42,576 INFO L87 Difference]: Start difference. First operand 53638 states and 147318 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:44,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:46:44,536 INFO L93 Difference]: Finished difference Result 143075 states and 394252 transitions. [2022-01-18 11:46:44,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:46:44,536 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:46:44,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:46:45,095 INFO L225 Difference]: With dead ends: 143075 [2022-01-18 11:46:45,095 INFO L226 Difference]: Without dead ends: 142805 [2022-01-18 11:46:45,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 859 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=752, Invalid=2670, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:46:45,096 INFO L933 BasicCegarLoop]: 880 mSDtfsCounter, 3308 mSDsluCounter, 11485 mSDsCounter, 0 mSdLazyCounter, 2121 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3308 SdHoareTripleChecker+Valid, 12245 SdHoareTripleChecker+Invalid, 2149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:46:45,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3308 Valid, 12245 Invalid, 2149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2121 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:46:45,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142805 states. [2022-01-18 11:46:46,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142805 to 53586. [2022-01-18 11:46:46,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53586 states, 53585 states have (on average 2.7465708687132593) internal successors, (147175), 53585 states have internal predecessors, (147175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:46,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53586 states to 53586 states and 147175 transitions. [2022-01-18 11:46:46,728 INFO L78 Accepts]: Start accepts. Automaton has 53586 states and 147175 transitions. Word has length 163 [2022-01-18 11:46:46,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:46:46,728 INFO L470 AbstractCegarLoop]: Abstraction has 53586 states and 147175 transitions. [2022-01-18 11:46:46,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:46,728 INFO L276 IsEmpty]: Start isEmpty. Operand 53586 states and 147175 transitions. [2022-01-18 11:46:46,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:46:46,788 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:46:46,788 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:46:46,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-01-18 11:46:46,788 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:46:46,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:46:46,789 INFO L85 PathProgramCache]: Analyzing trace with hash 865365212, now seen corresponding path program 82 times [2022-01-18 11:46:46,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:46:46,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892334203] [2022-01-18 11:46:46,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:46:46,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:46:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:46:47,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:46:47,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:46:47,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892334203] [2022-01-18 11:46:47,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892334203] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:46:47,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:46:47,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:46:47,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094522575] [2022-01-18 11:46:47,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:46:47,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:46:47,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:46:47,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:46:47,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:46:47,085 INFO L87 Difference]: Start difference. First operand 53586 states and 147175 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:49,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:46:49,046 INFO L93 Difference]: Finished difference Result 127971 states and 352707 transitions. [2022-01-18 11:46:49,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-18 11:46:49,047 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:46:49,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:46:49,603 INFO L225 Difference]: With dead ends: 127971 [2022-01-18 11:46:49,604 INFO L226 Difference]: Without dead ends: 127585 [2022-01-18 11:46:49,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=701, Invalid=2491, Unknown=0, NotChecked=0, Total=3192 [2022-01-18 11:46:49,604 INFO L933 BasicCegarLoop]: 866 mSDtfsCounter, 2652 mSDsluCounter, 11746 mSDsCounter, 0 mSdLazyCounter, 2067 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2652 SdHoareTripleChecker+Valid, 12486 SdHoareTripleChecker+Invalid, 2096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:46:49,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2652 Valid, 12486 Invalid, 2096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2067 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:46:49,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127585 states. [2022-01-18 11:46:50,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127585 to 53430. [2022-01-18 11:46:50,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53430 states, 53429 states have (on average 2.747309513560052) internal successors, (146786), 53429 states have internal predecessors, (146786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:51,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53430 states to 53430 states and 146786 transitions. [2022-01-18 11:46:51,092 INFO L78 Accepts]: Start accepts. Automaton has 53430 states and 146786 transitions. Word has length 163 [2022-01-18 11:46:51,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:46:51,092 INFO L470 AbstractCegarLoop]: Abstraction has 53430 states and 146786 transitions. [2022-01-18 11:46:51,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:51,092 INFO L276 IsEmpty]: Start isEmpty. Operand 53430 states and 146786 transitions. [2022-01-18 11:46:51,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:46:51,137 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:46:51,137 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:46:51,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-01-18 11:46:51,137 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:46:51,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:46:51,138 INFO L85 PathProgramCache]: Analyzing trace with hash -34576382, now seen corresponding path program 83 times [2022-01-18 11:46:51,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:46:51,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640842152] [2022-01-18 11:46:51,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:46:51,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:46:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:46:51,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:46:51,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:46:51,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640842152] [2022-01-18 11:46:51,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640842152] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:46:51,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:46:51,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:46:51,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099112129] [2022-01-18 11:46:51,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:46:51,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:46:51,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:46:51,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:46:51,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:46:51,358 INFO L87 Difference]: Start difference. First operand 53430 states and 146786 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:53,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:46:53,680 INFO L93 Difference]: Finished difference Result 154032 states and 424304 transitions. [2022-01-18 11:46:53,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:46:53,681 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:46:53,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:46:53,962 INFO L225 Difference]: With dead ends: 154032 [2022-01-18 11:46:53,962 INFO L226 Difference]: Without dead ends: 153678 [2022-01-18 11:46:53,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 857 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=706, Invalid=2716, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:46:53,962 INFO L933 BasicCegarLoop]: 887 mSDtfsCounter, 4167 mSDsluCounter, 10419 mSDsCounter, 0 mSdLazyCounter, 2083 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4167 SdHoareTripleChecker+Valid, 11187 SdHoareTripleChecker+Invalid, 2113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 2083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:46:53,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4167 Valid, 11187 Invalid, 2113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 2083 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:46:54,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153678 states. [2022-01-18 11:46:55,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153678 to 54370. [2022-01-18 11:46:55,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54370 states, 54369 states have (on average 2.7463996027147823) internal successors, (149319), 54369 states have internal predecessors, (149319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:55,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54370 states to 54370 states and 149319 transitions. [2022-01-18 11:46:55,572 INFO L78 Accepts]: Start accepts. Automaton has 54370 states and 149319 transitions. Word has length 163 [2022-01-18 11:46:55,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:46:55,572 INFO L470 AbstractCegarLoop]: Abstraction has 54370 states and 149319 transitions. [2022-01-18 11:46:55,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:55,572 INFO L276 IsEmpty]: Start isEmpty. Operand 54370 states and 149319 transitions. [2022-01-18 11:46:55,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:46:55,619 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:46:55,619 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:46:55,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-01-18 11:46:55,619 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:46:55,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:46:55,620 INFO L85 PathProgramCache]: Analyzing trace with hash -966747036, now seen corresponding path program 84 times [2022-01-18 11:46:55,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:46:55,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638836057] [2022-01-18 11:46:55,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:46:55,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:46:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:46:55,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:46:55,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:46:55,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638836057] [2022-01-18 11:46:55,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638836057] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:46:55,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:46:55,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:46:55,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586220499] [2022-01-18 11:46:55,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:46:55,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:46:55,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:46:55,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:46:55,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:46:55,857 INFO L87 Difference]: Start difference. First operand 54370 states and 149319 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:46:58,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:46:58,725 INFO L93 Difference]: Finished difference Result 153427 states and 422768 transitions. [2022-01-18 11:46:58,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-18 11:46:58,725 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:46:58,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:46:59,019 INFO L225 Difference]: With dead ends: 153427 [2022-01-18 11:46:59,020 INFO L226 Difference]: Without dead ends: 152273 [2022-01-18 11:46:59,020 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1113 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1006, Invalid=3284, Unknown=0, NotChecked=0, Total=4290 [2022-01-18 11:46:59,020 INFO L933 BasicCegarLoop]: 845 mSDtfsCounter, 4041 mSDsluCounter, 10657 mSDsCounter, 0 mSdLazyCounter, 2207 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4041 SdHoareTripleChecker+Valid, 11414 SdHoareTripleChecker+Invalid, 2283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 2207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:46:59,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4041 Valid, 11414 Invalid, 2283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 2207 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:46:59,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152273 states. [2022-01-18 11:47:00,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152273 to 53434. [2022-01-18 11:47:00,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53434 states, 53433 states have (on average 2.747234854864971) internal successors, (146793), 53433 states have internal predecessors, (146793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:00,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53434 states to 53434 states and 146793 transitions. [2022-01-18 11:47:00,731 INFO L78 Accepts]: Start accepts. Automaton has 53434 states and 146793 transitions. Word has length 163 [2022-01-18 11:47:00,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:00,732 INFO L470 AbstractCegarLoop]: Abstraction has 53434 states and 146793 transitions. [2022-01-18 11:47:00,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:00,733 INFO L276 IsEmpty]: Start isEmpty. Operand 53434 states and 146793 transitions. [2022-01-18 11:47:00,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:47:00,782 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:00,782 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:47:00,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-01-18 11:47:00,782 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:47:00,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:00,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1249409648, now seen corresponding path program 85 times [2022-01-18 11:47:00,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:00,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444426294] [2022-01-18 11:47:00,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:00,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:01,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:01,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:01,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444426294] [2022-01-18 11:47:01,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444426294] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:01,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:01,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:47:01,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953751426] [2022-01-18 11:47:01,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:01,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:47:01,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:01,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:47:01,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:47:01,045 INFO L87 Difference]: Start difference. First operand 53434 states and 146793 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:03,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:03,545 INFO L93 Difference]: Finished difference Result 149528 states and 411932 transitions. [2022-01-18 11:47:03,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:47:03,545 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:47:03,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:03,835 INFO L225 Difference]: With dead ends: 149528 [2022-01-18 11:47:03,835 INFO L226 Difference]: Without dead ends: 149174 [2022-01-18 11:47:03,836 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 871 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=690, Invalid=2732, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:47:03,836 INFO L933 BasicCegarLoop]: 915 mSDtfsCounter, 3364 mSDsluCounter, 11572 mSDsCounter, 0 mSdLazyCounter, 2308 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3364 SdHoareTripleChecker+Valid, 12356 SdHoareTripleChecker+Invalid, 2332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:03,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3364 Valid, 12356 Invalid, 2332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2308 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:47:04,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149174 states. [2022-01-18 11:47:05,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149174 to 54370. [2022-01-18 11:47:05,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54370 states, 54369 states have (on average 2.746326031378175) internal successors, (149315), 54369 states have internal predecessors, (149315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:05,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54370 states to 54370 states and 149315 transitions. [2022-01-18 11:47:05,671 INFO L78 Accepts]: Start accepts. Automaton has 54370 states and 149315 transitions. Word has length 163 [2022-01-18 11:47:05,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:05,671 INFO L470 AbstractCegarLoop]: Abstraction has 54370 states and 149315 transitions. [2022-01-18 11:47:05,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:05,672 INFO L276 IsEmpty]: Start isEmpty. Operand 54370 states and 149315 transitions. [2022-01-18 11:47:05,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:47:05,738 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:05,738 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:47:05,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-01-18 11:47:05,739 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:47:05,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:05,739 INFO L85 PathProgramCache]: Analyzing trace with hash 317238994, now seen corresponding path program 86 times [2022-01-18 11:47:05,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:05,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145713293] [2022-01-18 11:47:05,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:05,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:05,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:05,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:05,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145713293] [2022-01-18 11:47:05,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145713293] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:05,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:05,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:47:05,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791669061] [2022-01-18 11:47:05,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:05,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:47:05,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:05,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:47:05,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:47:05,942 INFO L87 Difference]: Start difference. First operand 54370 states and 149315 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:08,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:08,165 INFO L93 Difference]: Finished difference Result 149636 states and 412233 transitions. [2022-01-18 11:47:08,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 11:47:08,166 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:47:08,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:08,450 INFO L225 Difference]: With dead ends: 149636 [2022-01-18 11:47:08,450 INFO L226 Difference]: Without dead ends: 149322 [2022-01-18 11:47:08,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 898 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=730, Invalid=2810, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 11:47:08,451 INFO L933 BasicCegarLoop]: 894 mSDtfsCounter, 3083 mSDsluCounter, 11957 mSDsCounter, 0 mSdLazyCounter, 2334 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3083 SdHoareTripleChecker+Valid, 12712 SdHoareTripleChecker+Invalid, 2363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:08,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3083 Valid, 12712 Invalid, 2363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2334 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:47:08,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149322 states. [2022-01-18 11:47:09,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149322 to 54214. [2022-01-18 11:47:10,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54214 states, 54213 states have (on average 2.746315459391659) internal successors, (148886), 54213 states have internal predecessors, (148886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:10,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54214 states to 54214 states and 148886 transitions. [2022-01-18 11:47:10,109 INFO L78 Accepts]: Start accepts. Automaton has 54214 states and 148886 transitions. Word has length 163 [2022-01-18 11:47:10,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:10,109 INFO L470 AbstractCegarLoop]: Abstraction has 54214 states and 148886 transitions. [2022-01-18 11:47:10,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:10,109 INFO L276 IsEmpty]: Start isEmpty. Operand 54214 states and 148886 transitions. [2022-01-18 11:47:10,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:47:10,154 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:10,154 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:47:10,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-01-18 11:47:10,154 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:47:10,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:10,155 INFO L85 PathProgramCache]: Analyzing trace with hash 2113412966, now seen corresponding path program 87 times [2022-01-18 11:47:10,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:10,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802506313] [2022-01-18 11:47:10,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:10,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:10,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:10,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:10,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802506313] [2022-01-18 11:47:10,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802506313] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:10,381 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:10,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:47:10,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091966804] [2022-01-18 11:47:10,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:10,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:47:10,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:10,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:47:10,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:47:10,381 INFO L87 Difference]: Start difference. First operand 54214 states and 148886 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:12,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:12,602 INFO L93 Difference]: Finished difference Result 152125 states and 419094 transitions. [2022-01-18 11:47:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 11:47:12,603 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:47:12,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:12,890 INFO L225 Difference]: With dead ends: 152125 [2022-01-18 11:47:12,890 INFO L226 Difference]: Without dead ends: 151911 [2022-01-18 11:47:12,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 911 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=749, Invalid=2791, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 11:47:12,891 INFO L933 BasicCegarLoop]: 891 mSDtfsCounter, 3573 mSDsluCounter, 11266 mSDsCounter, 0 mSdLazyCounter, 2210 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3573 SdHoareTripleChecker+Valid, 12029 SdHoareTripleChecker+Invalid, 2234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:12,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3573 Valid, 12029 Invalid, 2234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2210 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:47:13,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151911 states. [2022-01-18 11:47:14,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151911 to 54162. [2022-01-18 11:47:14,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54162 states, 54161 states have (on average 2.7463119218625947) internal successors, (148743), 54161 states have internal predecessors, (148743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:14,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54162 states to 54162 states and 148743 transitions. [2022-01-18 11:47:14,590 INFO L78 Accepts]: Start accepts. Automaton has 54162 states and 148743 transitions. Word has length 163 [2022-01-18 11:47:14,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:14,590 INFO L470 AbstractCegarLoop]: Abstraction has 54162 states and 148743 transitions. [2022-01-18 11:47:14,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:14,590 INFO L276 IsEmpty]: Start isEmpty. Operand 54162 states and 148743 transitions. [2022-01-18 11:47:14,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:47:14,914 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:14,915 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:47:14,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-01-18 11:47:14,915 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:47:14,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:14,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1743899800, now seen corresponding path program 88 times [2022-01-18 11:47:14,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:14,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112698121] [2022-01-18 11:47:14,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:14,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:15,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:15,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:15,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112698121] [2022-01-18 11:47:15,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112698121] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:15,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:15,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:47:15,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456509787] [2022-01-18 11:47:15,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:15,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:47:15,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:15,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:47:15,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:47:15,119 INFO L87 Difference]: Start difference. First operand 54162 states and 148743 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:17,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:17,016 INFO L93 Difference]: Finished difference Result 146051 states and 402454 transitions. [2022-01-18 11:47:17,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:47:17,017 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:47:17,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:17,289 INFO L225 Difference]: With dead ends: 146051 [2022-01-18 11:47:17,289 INFO L226 Difference]: Without dead ends: 145161 [2022-01-18 11:47:17,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 864 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=726, Invalid=2696, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:47:17,290 INFO L933 BasicCegarLoop]: 910 mSDtfsCounter, 3101 mSDsluCounter, 11822 mSDsCounter, 0 mSdLazyCounter, 2261 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3101 SdHoareTripleChecker+Valid, 12594 SdHoareTripleChecker+Invalid, 2286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:17,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3101 Valid, 12594 Invalid, 2286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2261 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:47:17,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145161 states. [2022-01-18 11:47:18,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145161 to 53486. [2022-01-18 11:47:18,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53486 states, 53485 states have (on average 2.746265308030289) internal successors, (146884), 53485 states have internal predecessors, (146884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:19,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53486 states to 53486 states and 146884 transitions. [2022-01-18 11:47:19,224 INFO L78 Accepts]: Start accepts. Automaton has 53486 states and 146884 transitions. Word has length 163 [2022-01-18 11:47:19,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:19,224 INFO L470 AbstractCegarLoop]: Abstraction has 53486 states and 146884 transitions. [2022-01-18 11:47:19,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:19,224 INFO L276 IsEmpty]: Start isEmpty. Operand 53486 states and 146884 transitions. [2022-01-18 11:47:19,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:47:19,270 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:19,270 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:47:19,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-01-18 11:47:19,270 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:47:19,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:19,271 INFO L85 PathProgramCache]: Analyzing trace with hash 45360338, now seen corresponding path program 89 times [2022-01-18 11:47:19,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:19,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735596922] [2022-01-18 11:47:19,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:19,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:19,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:19,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:19,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735596922] [2022-01-18 11:47:19,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735596922] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:19,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:19,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:47:19,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139580648] [2022-01-18 11:47:19,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:19,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:47:19,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:19,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:47:19,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:47:19,512 INFO L87 Difference]: Start difference. First operand 53486 states and 146884 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:21,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:21,380 INFO L93 Difference]: Finished difference Result 132904 states and 366077 transitions. [2022-01-18 11:47:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-18 11:47:21,381 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:47:21,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:21,627 INFO L225 Difference]: With dead ends: 132904 [2022-01-18 11:47:21,627 INFO L226 Difference]: Without dead ends: 132534 [2022-01-18 11:47:21,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=515, Invalid=2035, Unknown=0, NotChecked=0, Total=2550 [2022-01-18 11:47:21,628 INFO L933 BasicCegarLoop]: 838 mSDtfsCounter, 3556 mSDsluCounter, 9862 mSDsCounter, 0 mSdLazyCounter, 1957 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3556 SdHoareTripleChecker+Valid, 10587 SdHoareTripleChecker+Invalid, 1985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:21,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3556 Valid, 10587 Invalid, 1985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1957 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:47:22,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132534 states. [2022-01-18 11:47:23,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132534 to 53502. [2022-01-18 11:47:23,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53502 states, 53501 states have (on average 2.7461916599689724) internal successors, (146924), 53501 states have internal predecessors, (146924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:23,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53502 states to 53502 states and 146924 transitions. [2022-01-18 11:47:23,242 INFO L78 Accepts]: Start accepts. Automaton has 53502 states and 146924 transitions. Word has length 163 [2022-01-18 11:47:23,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:23,243 INFO L470 AbstractCegarLoop]: Abstraction has 53502 states and 146924 transitions. [2022-01-18 11:47:23,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:23,243 INFO L276 IsEmpty]: Start isEmpty. Operand 53502 states and 146924 transitions. [2022-01-18 11:47:23,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:47:23,712 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:23,712 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:47:23,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-01-18 11:47:23,713 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:47:23,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:23,713 INFO L85 PathProgramCache]: Analyzing trace with hash -859443562, now seen corresponding path program 90 times [2022-01-18 11:47:23,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:23,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767670271] [2022-01-18 11:47:23,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:23,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:23,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:23,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:23,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767670271] [2022-01-18 11:47:23,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767670271] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:23,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:23,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:47:23,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124255226] [2022-01-18 11:47:23,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:23,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:47:23,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:23,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:47:23,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:47:23,974 INFO L87 Difference]: Start difference. First operand 53502 states and 146924 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:25,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:25,754 INFO L93 Difference]: Finished difference Result 134053 states and 369105 transitions. [2022-01-18 11:47:25,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-18 11:47:25,759 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:47:25,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:26,008 INFO L225 Difference]: With dead ends: 134053 [2022-01-18 11:47:26,008 INFO L226 Difference]: Without dead ends: 133699 [2022-01-18 11:47:26,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 676 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=577, Invalid=2393, Unknown=0, NotChecked=0, Total=2970 [2022-01-18 11:47:26,010 INFO L933 BasicCegarLoop]: 844 mSDtfsCounter, 3367 mSDsluCounter, 10456 mSDsCounter, 0 mSdLazyCounter, 2034 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3367 SdHoareTripleChecker+Valid, 11180 SdHoareTripleChecker+Invalid, 2067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2034 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:26,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3367 Valid, 11180 Invalid, 2067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2034 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:47:26,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133699 states. [2022-01-18 11:47:27,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133699 to 53658. [2022-01-18 11:47:27,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53658 states, 53657 states have (on average 2.7452336135080233) internal successors, (147301), 53657 states have internal predecessors, (147301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:27,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53658 states to 53658 states and 147301 transitions. [2022-01-18 11:47:27,708 INFO L78 Accepts]: Start accepts. Automaton has 53658 states and 147301 transitions. Word has length 163 [2022-01-18 11:47:27,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:27,708 INFO L470 AbstractCegarLoop]: Abstraction has 53658 states and 147301 transitions. [2022-01-18 11:47:27,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:27,708 INFO L276 IsEmpty]: Start isEmpty. Operand 53658 states and 147301 transitions. [2022-01-18 11:47:27,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:47:27,755 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:27,756 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:47:27,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-01-18 11:47:27,756 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:47:27,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:27,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1791614216, now seen corresponding path program 91 times [2022-01-18 11:47:27,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:27,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544675766] [2022-01-18 11:47:27,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:27,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:28,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:28,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:28,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544675766] [2022-01-18 11:47:28,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544675766] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:28,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:28,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:47:28,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285896676] [2022-01-18 11:47:28,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:28,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:47:28,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:28,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:47:28,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:47:28,256 INFO L87 Difference]: Start difference. First operand 53658 states and 147301 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:30,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:30,331 INFO L93 Difference]: Finished difference Result 133152 states and 366823 transitions. [2022-01-18 11:47:30,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 11:47:30,331 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:47:30,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:30,577 INFO L225 Difference]: With dead ends: 133152 [2022-01-18 11:47:30,577 INFO L226 Difference]: Without dead ends: 132826 [2022-01-18 11:47:30,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 626 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=573, Invalid=2289, Unknown=0, NotChecked=0, Total=2862 [2022-01-18 11:47:30,578 INFO L933 BasicCegarLoop]: 822 mSDtfsCounter, 2730 mSDsluCounter, 11199 mSDsCounter, 0 mSdLazyCounter, 2142 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2730 SdHoareTripleChecker+Valid, 11885 SdHoareTripleChecker+Invalid, 2174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:30,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2730 Valid, 11885 Invalid, 2174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2142 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:47:30,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132826 states. [2022-01-18 11:47:31,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132826 to 53490. [2022-01-18 11:47:32,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53490 states, 53489 states have (on average 2.7461908055861954) internal successors, (146891), 53489 states have internal predecessors, (146891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:32,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53490 states to 53490 states and 146891 transitions. [2022-01-18 11:47:32,157 INFO L78 Accepts]: Start accepts. Automaton has 53490 states and 146891 transitions. Word has length 163 [2022-01-18 11:47:32,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:32,157 INFO L470 AbstractCegarLoop]: Abstraction has 53490 states and 146891 transitions. [2022-01-18 11:47:32,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:32,157 INFO L276 IsEmpty]: Start isEmpty. Operand 53490 states and 146891 transitions. [2022-01-18 11:47:32,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:47:32,202 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:32,202 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:47:32,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-01-18 11:47:32,202 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:47:32,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:32,203 INFO L85 PathProgramCache]: Analyzing trace with hash 136776166, now seen corresponding path program 92 times [2022-01-18 11:47:32,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:32,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066247028] [2022-01-18 11:47:32,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:32,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:32,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:32,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:32,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066247028] [2022-01-18 11:47:32,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066247028] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:32,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:32,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:47:32,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680570468] [2022-01-18 11:47:32,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:32,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:47:32,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:32,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:47:32,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:47:32,681 INFO L87 Difference]: Start difference. First operand 53490 states and 146891 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:34,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:34,646 INFO L93 Difference]: Finished difference Result 138705 states and 382110 transitions. [2022-01-18 11:47:34,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-18 11:47:34,647 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:47:34,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:34,942 INFO L225 Difference]: With dead ends: 138705 [2022-01-18 11:47:34,942 INFO L226 Difference]: Without dead ends: 138351 [2022-01-18 11:47:34,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 789 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=629, Invalid=2563, Unknown=0, NotChecked=0, Total=3192 [2022-01-18 11:47:34,943 INFO L933 BasicCegarLoop]: 878 mSDtfsCounter, 3331 mSDsluCounter, 10947 mSDsCounter, 0 mSdLazyCounter, 2110 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3331 SdHoareTripleChecker+Valid, 11695 SdHoareTripleChecker+Invalid, 2134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:34,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3331 Valid, 11695 Invalid, 2134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2110 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:47:35,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138351 states. [2022-01-18 11:47:36,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138351 to 53698. [2022-01-18 11:47:36,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53698 states, 53697 states have (on average 2.745237164087379) internal successors, (147411), 53697 states have internal predecessors, (147411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:36,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53698 states to 53698 states and 147411 transitions. [2022-01-18 11:47:36,559 INFO L78 Accepts]: Start accepts. Automaton has 53698 states and 147411 transitions. Word has length 163 [2022-01-18 11:47:36,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:36,560 INFO L470 AbstractCegarLoop]: Abstraction has 53698 states and 147411 transitions. [2022-01-18 11:47:36,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:36,560 INFO L276 IsEmpty]: Start isEmpty. Operand 53698 states and 147411 transitions. [2022-01-18 11:47:36,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:47:36,604 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:36,605 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:47:36,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-01-18 11:47:36,605 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:47:36,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:36,605 INFO L85 PathProgramCache]: Analyzing trace with hash -795394488, now seen corresponding path program 93 times [2022-01-18 11:47:36,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:36,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009972618] [2022-01-18 11:47:36,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:36,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:37,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:37,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:37,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009972618] [2022-01-18 11:47:37,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009972618] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:37,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:37,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:47:37,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220961909] [2022-01-18 11:47:37,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:37,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:47:37,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:37,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:47:37,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:47:37,102 INFO L87 Difference]: Start difference. First operand 53698 states and 147411 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:39,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:39,034 INFO L93 Difference]: Finished difference Result 138405 states and 381413 transitions. [2022-01-18 11:47:39,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:47:39,034 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:47:39,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:39,302 INFO L225 Difference]: With dead ends: 138405 [2022-01-18 11:47:39,302 INFO L226 Difference]: Without dead ends: 138091 [2022-01-18 11:47:39,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 817 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=667, Invalid=2639, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 11:47:39,303 INFO L933 BasicCegarLoop]: 853 mSDtfsCounter, 3088 mSDsluCounter, 10898 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3088 SdHoareTripleChecker+Valid, 11622 SdHoareTripleChecker+Invalid, 2129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:39,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3088 Valid, 11622 Invalid, 2129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:47:39,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138091 states. [2022-01-18 11:47:40,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138091 to 53542. [2022-01-18 11:47:40,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53542 states, 53541 states have (on average 2.7452232868269175) internal successors, (146982), 53541 states have internal predecessors, (146982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:40,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53542 states to 53542 states and 146982 transitions. [2022-01-18 11:47:40,863 INFO L78 Accepts]: Start accepts. Automaton has 53542 states and 146982 transitions. Word has length 163 [2022-01-18 11:47:40,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:40,863 INFO L470 AbstractCegarLoop]: Abstraction has 53542 states and 146982 transitions. [2022-01-18 11:47:40,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:40,863 INFO L276 IsEmpty]: Start isEmpty. Operand 53542 states and 146982 transitions. [2022-01-18 11:47:40,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:47:40,908 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:40,909 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:47:40,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-01-18 11:47:40,909 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:47:40,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:40,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1000779484, now seen corresponding path program 94 times [2022-01-18 11:47:40,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:41,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901849863] [2022-01-18 11:47:41,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:41,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:41,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:41,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:41,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901849863] [2022-01-18 11:47:41,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901849863] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:41,422 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:41,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:47:41,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270618592] [2022-01-18 11:47:41,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:41,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:47:41,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:41,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:47:41,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:47:41,423 INFO L87 Difference]: Start difference. First operand 53542 states and 146982 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:43,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:43,443 INFO L93 Difference]: Finished difference Result 137468 states and 378904 transitions. [2022-01-18 11:47:43,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-18 11:47:43,444 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:47:43,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:43,743 INFO L225 Difference]: With dead ends: 137468 [2022-01-18 11:47:43,743 INFO L226 Difference]: Without dead ends: 137182 [2022-01-18 11:47:43,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=663, Invalid=2529, Unknown=0, NotChecked=0, Total=3192 [2022-01-18 11:47:43,743 INFO L933 BasicCegarLoop]: 847 mSDtfsCounter, 3165 mSDsluCounter, 10351 mSDsCounter, 0 mSdLazyCounter, 2080 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3165 SdHoareTripleChecker+Valid, 11080 SdHoareTripleChecker+Invalid, 2106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:43,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3165 Valid, 11080 Invalid, 2106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2080 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:47:43,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137182 states. [2022-01-18 11:47:45,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137182 to 53418. [2022-01-18 11:47:45,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53418 states, 53417 states have (on average 2.747308909148773) internal successors, (146753), 53417 states have internal predecessors, (146753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:45,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53418 states to 53418 states and 146753 transitions. [2022-01-18 11:47:45,385 INFO L78 Accepts]: Start accepts. Automaton has 53418 states and 146753 transitions. Word has length 163 [2022-01-18 11:47:45,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:45,385 INFO L470 AbstractCegarLoop]: Abstraction has 53418 states and 146753 transitions. [2022-01-18 11:47:45,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:45,385 INFO L276 IsEmpty]: Start isEmpty. Operand 53418 states and 146753 transitions. [2022-01-18 11:47:45,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:47:45,739 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:45,739 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:47:45,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-01-18 11:47:45,739 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:47:45,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:45,740 INFO L85 PathProgramCache]: Analyzing trace with hash 473289062, now seen corresponding path program 95 times [2022-01-18 11:47:45,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:45,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516421991] [2022-01-18 11:47:45,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:45,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:45,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:45,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:45,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516421991] [2022-01-18 11:47:45,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516421991] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:45,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:45,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:47:45,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067827370] [2022-01-18 11:47:45,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:45,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:47:45,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:45,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:47:45,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:47:45,991 INFO L87 Difference]: Start difference. First operand 53418 states and 146753 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:48,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:48,171 INFO L93 Difference]: Finished difference Result 133100 states and 366725 transitions. [2022-01-18 11:47:48,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-18 11:47:48,176 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:47:48,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:48,417 INFO L225 Difference]: With dead ends: 133100 [2022-01-18 11:47:48,417 INFO L226 Difference]: Without dead ends: 132746 [2022-01-18 11:47:48,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=687, Invalid=2619, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 11:47:48,418 INFO L933 BasicCegarLoop]: 906 mSDtfsCounter, 3759 mSDsluCounter, 11350 mSDsCounter, 0 mSdLazyCounter, 2200 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3759 SdHoareTripleChecker+Valid, 12133 SdHoareTripleChecker+Invalid, 2228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:48,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3759 Valid, 12133 Invalid, 2228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2200 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:47:48,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132746 states. [2022-01-18 11:47:49,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132746 to 54370. [2022-01-18 11:47:49,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54370 states, 54369 states have (on average 2.7463996027147823) internal successors, (149319), 54369 states have internal predecessors, (149319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:49,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54370 states to 54370 states and 149319 transitions. [2022-01-18 11:47:49,982 INFO L78 Accepts]: Start accepts. Automaton has 54370 states and 149319 transitions. Word has length 163 [2022-01-18 11:47:49,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:49,982 INFO L470 AbstractCegarLoop]: Abstraction has 54370 states and 149319 transitions. [2022-01-18 11:47:49,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:49,983 INFO L276 IsEmpty]: Start isEmpty. Operand 54370 states and 149319 transitions. [2022-01-18 11:47:50,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:47:50,323 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:50,323 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:47:50,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-01-18 11:47:50,323 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:47:50,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:50,324 INFO L85 PathProgramCache]: Analyzing trace with hash -458881592, now seen corresponding path program 96 times [2022-01-18 11:47:50,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:50,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730958268] [2022-01-18 11:47:50,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:50,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:50,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:50,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:50,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730958268] [2022-01-18 11:47:50,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730958268] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:50,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:50,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:47:50,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330206602] [2022-01-18 11:47:50,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:50,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:47:50,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:50,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:47:50,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:47:50,552 INFO L87 Difference]: Start difference. First operand 54370 states and 149319 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:52,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:52,688 INFO L93 Difference]: Finished difference Result 133208 states and 367026 transitions. [2022-01-18 11:47:52,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:47:52,689 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:47:52,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:52,952 INFO L225 Difference]: With dead ends: 133208 [2022-01-18 11:47:52,953 INFO L226 Difference]: Without dead ends: 132894 [2022-01-18 11:47:52,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 823 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=722, Invalid=2700, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:47:52,953 INFO L933 BasicCegarLoop]: 885 mSDtfsCounter, 3015 mSDsluCounter, 11897 mSDsCounter, 0 mSdLazyCounter, 2313 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3015 SdHoareTripleChecker+Valid, 12651 SdHoareTripleChecker+Invalid, 2350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:52,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3015 Valid, 12651 Invalid, 2350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2313 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:47:53,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132894 states. [2022-01-18 11:47:54,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132894 to 54214. [2022-01-18 11:47:54,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54214 states, 54213 states have (on average 2.746389242432627) internal successors, (148890), 54213 states have internal predecessors, (148890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:54,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54214 states to 54214 states and 148890 transitions. [2022-01-18 11:47:54,646 INFO L78 Accepts]: Start accepts. Automaton has 54214 states and 148890 transitions. Word has length 163 [2022-01-18 11:47:54,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:54,646 INFO L470 AbstractCegarLoop]: Abstraction has 54214 states and 148890 transitions. [2022-01-18 11:47:54,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:54,646 INFO L276 IsEmpty]: Start isEmpty. Operand 54214 states and 148890 transitions. [2022-01-18 11:47:55,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:47:55,032 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:55,032 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:47:55,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-01-18 11:47:55,032 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:47:55,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:55,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1337292380, now seen corresponding path program 97 times [2022-01-18 11:47:55,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:55,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086022543] [2022-01-18 11:47:55,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:55,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:55,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:55,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:55,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086022543] [2022-01-18 11:47:55,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086022543] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:55,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:55,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:47:55,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772015374] [2022-01-18 11:47:55,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:55,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:47:55,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:55,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:47:55,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:47:55,263 INFO L87 Difference]: Start difference. First operand 54214 states and 148890 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:57,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:57,103 INFO L93 Difference]: Finished difference Result 135697 states and 373887 transitions. [2022-01-18 11:47:57,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:47:57,103 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:47:57,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:57,358 INFO L225 Difference]: With dead ends: 135697 [2022-01-18 11:47:57,358 INFO L226 Difference]: Without dead ends: 135483 [2022-01-18 11:47:57,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 835 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=741, Invalid=2681, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:47:57,366 INFO L933 BasicCegarLoop]: 882 mSDtfsCounter, 3487 mSDsluCounter, 11270 mSDsCounter, 0 mSdLazyCounter, 2191 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3487 SdHoareTripleChecker+Valid, 12031 SdHoareTripleChecker+Invalid, 2216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:57,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3487 Valid, 12031 Invalid, 2216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2191 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:47:57,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135483 states. [2022-01-18 11:47:58,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135483 to 54162. [2022-01-18 11:47:58,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54162 states, 54161 states have (on average 2.7463857757426933) internal successors, (148747), 54161 states have internal predecessors, (148747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:58,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54162 states to 54162 states and 148747 transitions. [2022-01-18 11:47:58,943 INFO L78 Accepts]: Start accepts. Automaton has 54162 states and 148747 transitions. Word has length 163 [2022-01-18 11:47:58,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:58,943 INFO L470 AbstractCegarLoop]: Abstraction has 54162 states and 148747 transitions. [2022-01-18 11:47:58,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:58,943 INFO L276 IsEmpty]: Start isEmpty. Operand 54162 states and 148747 transitions. [2022-01-18 11:47:59,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:47:59,324 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:59,324 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:47:59,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-01-18 11:47:59,324 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:47:59,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:59,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1774946910, now seen corresponding path program 98 times [2022-01-18 11:47:59,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:59,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482542985] [2022-01-18 11:47:59,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:59,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:59,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:59,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:59,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482542985] [2022-01-18 11:47:59,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482542985] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:59,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:59,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:47:59,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181480034] [2022-01-18 11:47:59,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:59,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:47:59,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:59,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:47:59,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:47:59,563 INFO L87 Difference]: Start difference. First operand 54162 states and 148747 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:01,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:48:01,751 INFO L93 Difference]: Finished difference Result 140535 states and 387230 transitions. [2022-01-18 11:48:01,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:48:01,752 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:48:01,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:48:02,022 INFO L225 Difference]: With dead ends: 140535 [2022-01-18 11:48:02,022 INFO L226 Difference]: Without dead ends: 139645 [2022-01-18 11:48:02,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 888 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=772, Invalid=2768, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 11:48:02,023 INFO L933 BasicCegarLoop]: 901 mSDtfsCounter, 3485 mSDsluCounter, 10770 mSDsCounter, 0 mSdLazyCounter, 2205 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3485 SdHoareTripleChecker+Valid, 11563 SdHoareTripleChecker+Invalid, 2231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:48:02,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3485 Valid, 11563 Invalid, 2231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2205 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:48:02,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139645 states. [2022-01-18 11:48:03,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139645 to 53486. [2022-01-18 11:48:03,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53486 states, 53485 states have (on average 2.7463400953538377) internal successors, (146888), 53485 states have internal predecessors, (146888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:03,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53486 states to 53486 states and 146888 transitions. [2022-01-18 11:48:03,952 INFO L78 Accepts]: Start accepts. Automaton has 53486 states and 146888 transitions. Word has length 163 [2022-01-18 11:48:03,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:48:03,953 INFO L470 AbstractCegarLoop]: Abstraction has 53486 states and 146888 transitions. [2022-01-18 11:48:03,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:03,953 INFO L276 IsEmpty]: Start isEmpty. Operand 53486 states and 146888 transitions. [2022-01-18 11:48:03,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:48:03,998 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:48:03,998 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:48:03,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-01-18 11:48:03,998 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:48:03,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:48:03,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1899374656, now seen corresponding path program 99 times [2022-01-18 11:48:03,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:48:03,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166316811] [2022-01-18 11:48:03,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:48:03,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:48:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:48:04,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:48:04,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:48:04,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166316811] [2022-01-18 11:48:04,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166316811] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:48:04,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:48:04,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:48:04,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501387369] [2022-01-18 11:48:04,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:48:04,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:48:04,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:48:04,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:48:04,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:48:04,200 INFO L87 Difference]: Start difference. First operand 53486 states and 146888 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:06,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:48:06,234 INFO L93 Difference]: Finished difference Result 126487 states and 348623 transitions. [2022-01-18 11:48:06,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-18 11:48:06,235 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:48:06,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:48:06,485 INFO L225 Difference]: With dead ends: 126487 [2022-01-18 11:48:06,485 INFO L226 Difference]: Without dead ends: 126217 [2022-01-18 11:48:06,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=691, Invalid=2501, Unknown=0, NotChecked=0, Total=3192 [2022-01-18 11:48:06,486 INFO L933 BasicCegarLoop]: 881 mSDtfsCounter, 2532 mSDsluCounter, 11920 mSDsCounter, 0 mSdLazyCounter, 2356 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2532 SdHoareTripleChecker+Valid, 12674 SdHoareTripleChecker+Invalid, 2382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:48:06,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2532 Valid, 12674 Invalid, 2382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2356 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:48:06,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126217 states. [2022-01-18 11:48:07,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126217 to 53434. [2022-01-18 11:48:07,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53434 states, 53433 states have (on average 2.747234854864971) internal successors, (146793), 53433 states have internal predecessors, (146793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:08,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53434 states to 53434 states and 146793 transitions. [2022-01-18 11:48:08,044 INFO L78 Accepts]: Start accepts. Automaton has 53434 states and 146793 transitions. Word has length 163 [2022-01-18 11:48:08,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:48:08,044 INFO L470 AbstractCegarLoop]: Abstraction has 53434 states and 146793 transitions. [2022-01-18 11:48:08,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:08,044 INFO L276 IsEmpty]: Start isEmpty. Operand 53434 states and 146793 transitions. [2022-01-18 11:48:08,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:48:08,383 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:48:08,384 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:48:08,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-01-18 11:48:08,384 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:48:08,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:48:08,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1757275092, now seen corresponding path program 100 times [2022-01-18 11:48:08,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:48:08,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115918016] [2022-01-18 11:48:08,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:48:08,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:48:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:48:08,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:48:08,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:48:08,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115918016] [2022-01-18 11:48:08,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115918016] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:48:08,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:48:08,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:48:08,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427843974] [2022-01-18 11:48:08,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:48:08,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:48:08,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:48:08,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:48:08,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:48:08,613 INFO L87 Difference]: Start difference. First operand 53434 states and 146793 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:10,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:48:10,846 INFO L93 Difference]: Finished difference Result 148100 states and 408002 transitions. [2022-01-18 11:48:10,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:48:10,847 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:48:10,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:48:11,125 INFO L225 Difference]: With dead ends: 148100 [2022-01-18 11:48:11,125 INFO L226 Difference]: Without dead ends: 147746 [2022-01-18 11:48:11,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 896 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=721, Invalid=2819, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 11:48:11,126 INFO L933 BasicCegarLoop]: 933 mSDtfsCounter, 3513 mSDsluCounter, 11122 mSDsCounter, 0 mSdLazyCounter, 2233 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3513 SdHoareTripleChecker+Valid, 11935 SdHoareTripleChecker+Invalid, 2257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:48:11,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3513 Valid, 11935 Invalid, 2257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2233 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:48:11,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147746 states. [2022-01-18 11:48:12,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147746 to 54370. [2022-01-18 11:48:12,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54370 states, 54369 states have (on average 2.746326031378175) internal successors, (149315), 54369 states have internal predecessors, (149315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:13,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54370 states to 54370 states and 149315 transitions. [2022-01-18 11:48:13,033 INFO L78 Accepts]: Start accepts. Automaton has 54370 states and 149315 transitions. Word has length 163 [2022-01-18 11:48:13,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:48:13,033 INFO L470 AbstractCegarLoop]: Abstraction has 54370 states and 149315 transitions. [2022-01-18 11:48:13,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:13,033 INFO L276 IsEmpty]: Start isEmpty. Operand 54370 states and 149315 transitions. [2022-01-18 11:48:13,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:48:13,084 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:48:13,084 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:48:13,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-01-18 11:48:13,088 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:48:13,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:48:13,088 INFO L85 PathProgramCache]: Analyzing trace with hash 825104438, now seen corresponding path program 101 times [2022-01-18 11:48:13,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:48:13,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361017964] [2022-01-18 11:48:13,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:48:13,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:48:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:48:13,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:48:13,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:48:13,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361017964] [2022-01-18 11:48:13,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361017964] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:48:13,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:48:13,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:48:13,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658228864] [2022-01-18 11:48:13,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:48:13,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:48:13,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:48:13,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:48:13,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:48:13,332 INFO L87 Difference]: Start difference. First operand 54370 states and 149315 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:15,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:48:15,645 INFO L93 Difference]: Finished difference Result 148208 states and 408303 transitions. [2022-01-18 11:48:15,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 11:48:15,646 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:48:15,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:48:15,946 INFO L225 Difference]: With dead ends: 148208 [2022-01-18 11:48:15,946 INFO L226 Difference]: Without dead ends: 147894 [2022-01-18 11:48:15,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 923 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=763, Invalid=2897, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 11:48:15,946 INFO L933 BasicCegarLoop]: 912 mSDtfsCounter, 3233 mSDsluCounter, 11110 mSDsCounter, 0 mSdLazyCounter, 2231 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3233 SdHoareTripleChecker+Valid, 11903 SdHoareTripleChecker+Invalid, 2260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:48:15,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3233 Valid, 11903 Invalid, 2260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2231 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:48:16,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147894 states. [2022-01-18 11:48:17,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147894 to 54214. [2022-01-18 11:48:17,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54214 states, 54213 states have (on average 2.746315459391659) internal successors, (148886), 54213 states have internal predecessors, (148886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:17,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54214 states to 54214 states and 148886 transitions. [2022-01-18 11:48:17,660 INFO L78 Accepts]: Start accepts. Automaton has 54214 states and 148886 transitions. Word has length 163 [2022-01-18 11:48:17,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:48:17,660 INFO L470 AbstractCegarLoop]: Abstraction has 54214 states and 148886 transitions. [2022-01-18 11:48:17,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:17,661 INFO L276 IsEmpty]: Start isEmpty. Operand 54214 states and 148886 transitions. [2022-01-18 11:48:17,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:48:17,707 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:48:17,707 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:48:17,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-01-18 11:48:17,707 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:48:17,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:48:17,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1673688886, now seen corresponding path program 102 times [2022-01-18 11:48:17,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:48:17,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762696275] [2022-01-18 11:48:17,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:48:17,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:48:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:48:17,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:48:17,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:48:17,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762696275] [2022-01-18 11:48:17,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762696275] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:48:17,930 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:48:17,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:48:17,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190499404] [2022-01-18 11:48:17,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:48:17,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:48:17,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:48:17,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:48:17,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:48:17,935 INFO L87 Difference]: Start difference. First operand 54214 states and 148886 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:20,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:48:20,828 INFO L93 Difference]: Finished difference Result 148031 states and 407900 transitions. [2022-01-18 11:48:20,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 11:48:20,829 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:48:20,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:48:21,122 INFO L225 Difference]: With dead ends: 148031 [2022-01-18 11:48:21,122 INFO L226 Difference]: Without dead ends: 147089 [2022-01-18 11:48:21,123 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1012 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=931, Invalid=2975, Unknown=0, NotChecked=0, Total=3906 [2022-01-18 11:48:21,123 INFO L933 BasicCegarLoop]: 882 mSDtfsCounter, 3500 mSDsluCounter, 11321 mSDsCounter, 0 mSdLazyCounter, 2290 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3500 SdHoareTripleChecker+Valid, 12108 SdHoareTripleChecker+Invalid, 2346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:48:21,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3500 Valid, 12108 Invalid, 2346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2290 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:48:21,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147089 states. [2022-01-18 11:48:22,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147089 to 53486. [2022-01-18 11:48:22,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53486 states, 53485 states have (on average 2.746265308030289) internal successors, (146884), 53485 states have internal predecessors, (146884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:22,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53486 states to 53486 states and 146884 transitions. [2022-01-18 11:48:22,769 INFO L78 Accepts]: Start accepts. Automaton has 53486 states and 146884 transitions. Word has length 163 [2022-01-18 11:48:22,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:48:22,769 INFO L470 AbstractCegarLoop]: Abstraction has 53486 states and 146884 transitions. [2022-01-18 11:48:22,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:22,770 INFO L276 IsEmpty]: Start isEmpty. Operand 53486 states and 146884 transitions. [2022-01-18 11:48:22,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:48:22,814 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:48:22,815 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:48:22,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-01-18 11:48:22,815 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:48:22,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:48:22,815 INFO L85 PathProgramCache]: Analyzing trace with hash 553225782, now seen corresponding path program 103 times [2022-01-18 11:48:22,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:48:22,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912655483] [2022-01-18 11:48:22,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:48:22,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:48:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:48:22,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:48:22,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:48:22,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912655483] [2022-01-18 11:48:22,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912655483] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:48:22,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:48:22,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:48:22,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553797192] [2022-01-18 11:48:22,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:48:22,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:48:22,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:48:22,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:48:22,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:48:22,996 INFO L87 Difference]: Start difference. First operand 53486 states and 146884 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:24,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:48:24,865 INFO L93 Difference]: Finished difference Result 131476 states and 362147 transitions. [2022-01-18 11:48:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-18 11:48:24,866 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:48:24,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:48:25,136 INFO L225 Difference]: With dead ends: 131476 [2022-01-18 11:48:25,136 INFO L226 Difference]: Without dead ends: 131106 [2022-01-18 11:48:25,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 553 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=544, Invalid=2108, Unknown=0, NotChecked=0, Total=2652 [2022-01-18 11:48:25,136 INFO L933 BasicCegarLoop]: 866 mSDtfsCounter, 3348 mSDsluCounter, 10909 mSDsCounter, 0 mSdLazyCounter, 2128 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3348 SdHoareTripleChecker+Valid, 11647 SdHoareTripleChecker+Invalid, 2153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:48:25,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3348 Valid, 11647 Invalid, 2153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2128 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:48:25,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131106 states. [2022-01-18 11:48:26,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131106 to 53502. [2022-01-18 11:48:26,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53502 states, 53501 states have (on average 2.7461916599689724) internal successors, (146924), 53501 states have internal predecessors, (146924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:26,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53502 states to 53502 states and 146924 transitions. [2022-01-18 11:48:26,765 INFO L78 Accepts]: Start accepts. Automaton has 53502 states and 146924 transitions. Word has length 163 [2022-01-18 11:48:26,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:48:26,765 INFO L470 AbstractCegarLoop]: Abstraction has 53502 states and 146924 transitions. [2022-01-18 11:48:26,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:26,765 INFO L276 IsEmpty]: Start isEmpty. Operand 53502 states and 146924 transitions. [2022-01-18 11:48:26,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:48:26,813 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:48:26,813 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:48:26,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-01-18 11:48:26,813 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:48:26,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:48:26,813 INFO L85 PathProgramCache]: Analyzing trace with hash -351578118, now seen corresponding path program 104 times [2022-01-18 11:48:26,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:48:26,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769970733] [2022-01-18 11:48:26,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:48:26,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:48:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:48:27,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:48:27,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:48:27,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769970733] [2022-01-18 11:48:27,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769970733] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:48:27,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:48:27,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:48:27,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379315369] [2022-01-18 11:48:27,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:48:27,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:48:27,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:48:27,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:48:27,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:48:27,010 INFO L87 Difference]: Start difference. First operand 53502 states and 146924 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:29,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:48:29,323 INFO L93 Difference]: Finished difference Result 132625 states and 365175 transitions. [2022-01-18 11:48:29,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-18 11:48:29,323 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:48:29,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:48:29,582 INFO L225 Difference]: With dead ends: 132625 [2022-01-18 11:48:29,583 INFO L226 Difference]: Without dead ends: 132271 [2022-01-18 11:48:29,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=608, Invalid=2472, Unknown=0, NotChecked=0, Total=3080 [2022-01-18 11:48:29,583 INFO L933 BasicCegarLoop]: 872 mSDtfsCounter, 3398 mSDsluCounter, 10331 mSDsCounter, 0 mSdLazyCounter, 2104 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3398 SdHoareTripleChecker+Valid, 11092 SdHoareTripleChecker+Invalid, 2133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:48:29,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3398 Valid, 11092 Invalid, 2133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2104 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:48:29,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132271 states. [2022-01-18 11:48:30,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132271 to 53658. [2022-01-18 11:48:31,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53658 states, 53657 states have (on average 2.7452336135080233) internal successors, (147301), 53657 states have internal predecessors, (147301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:31,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53658 states to 53658 states and 147301 transitions. [2022-01-18 11:48:31,134 INFO L78 Accepts]: Start accepts. Automaton has 53658 states and 147301 transitions. Word has length 163 [2022-01-18 11:48:31,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:48:31,134 INFO L470 AbstractCegarLoop]: Abstraction has 53658 states and 147301 transitions. [2022-01-18 11:48:31,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:31,134 INFO L276 IsEmpty]: Start isEmpty. Operand 53658 states and 147301 transitions. [2022-01-18 11:48:31,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:48:31,178 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:48:31,179 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:48:31,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-01-18 11:48:31,179 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:48:31,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:48:31,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1283748772, now seen corresponding path program 105 times [2022-01-18 11:48:31,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:48:31,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978264191] [2022-01-18 11:48:31,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:48:31,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:48:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:48:31,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:48:31,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:48:31,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978264191] [2022-01-18 11:48:31,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978264191] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:48:31,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:48:31,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:48:31,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560067429] [2022-01-18 11:48:31,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:48:31,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:48:31,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:48:31,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:48:31,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:48:31,392 INFO L87 Difference]: Start difference. First operand 53658 states and 147301 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:33,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:48:33,792 INFO L93 Difference]: Finished difference Result 131724 states and 362893 transitions. [2022-01-18 11:48:33,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 11:48:33,793 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:48:33,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:48:34,072 INFO L225 Difference]: With dead ends: 131724 [2022-01-18 11:48:34,072 INFO L226 Difference]: Without dead ends: 131398 [2022-01-18 11:48:34,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 647 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=604, Invalid=2366, Unknown=0, NotChecked=0, Total=2970 [2022-01-18 11:48:34,072 INFO L933 BasicCegarLoop]: 850 mSDtfsCounter, 2794 mSDsluCounter, 10550 mSDsCounter, 0 mSdLazyCounter, 2107 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2794 SdHoareTripleChecker+Valid, 11282 SdHoareTripleChecker+Invalid, 2136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:48:34,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2794 Valid, 11282 Invalid, 2136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2107 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:48:34,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131398 states. [2022-01-18 11:48:35,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131398 to 53490. [2022-01-18 11:48:35,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53490 states, 53489 states have (on average 2.7461908055861954) internal successors, (146891), 53489 states have internal predecessors, (146891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:35,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53490 states to 53490 states and 146891 transitions. [2022-01-18 11:48:35,732 INFO L78 Accepts]: Start accepts. Automaton has 53490 states and 146891 transitions. Word has length 163 [2022-01-18 11:48:35,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:48:35,732 INFO L470 AbstractCegarLoop]: Abstraction has 53490 states and 146891 transitions. [2022-01-18 11:48:35,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:35,732 INFO L276 IsEmpty]: Start isEmpty. Operand 53490 states and 146891 transitions. [2022-01-18 11:48:35,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:48:35,781 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:48:35,781 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:48:35,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-01-18 11:48:35,781 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:48:35,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:48:35,781 INFO L85 PathProgramCache]: Analyzing trace with hash 644641610, now seen corresponding path program 106 times [2022-01-18 11:48:35,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:48:35,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388719040] [2022-01-18 11:48:35,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:48:35,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:48:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:48:35,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:48:35,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:48:35,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388719040] [2022-01-18 11:48:35,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388719040] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:48:35,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:48:35,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:48:35,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971849484] [2022-01-18 11:48:35,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:48:35,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:48:35,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:48:35,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:48:35,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:48:35,971 INFO L87 Difference]: Start difference. First operand 53490 states and 146891 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:38,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:48:38,248 INFO L93 Difference]: Finished difference Result 137277 states and 378180 transitions. [2022-01-18 11:48:38,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-18 11:48:38,249 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:48:38,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:48:38,517 INFO L225 Difference]: With dead ends: 137277 [2022-01-18 11:48:38,518 INFO L226 Difference]: Without dead ends: 136923 [2022-01-18 11:48:38,518 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 813 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=659, Invalid=2647, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 11:48:38,518 INFO L933 BasicCegarLoop]: 906 mSDtfsCounter, 3389 mSDsluCounter, 11208 mSDsCounter, 0 mSdLazyCounter, 2198 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3389 SdHoareTripleChecker+Valid, 11985 SdHoareTripleChecker+Invalid, 2221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:48:38,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3389 Valid, 11985 Invalid, 2221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 2198 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:48:38,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136923 states. [2022-01-18 11:48:40,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136923 to 53698. [2022-01-18 11:48:40,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53698 states, 53697 states have (on average 2.745237164087379) internal successors, (147411), 53697 states have internal predecessors, (147411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:40,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53698 states to 53698 states and 147411 transitions. [2022-01-18 11:48:40,210 INFO L78 Accepts]: Start accepts. Automaton has 53698 states and 147411 transitions. Word has length 163 [2022-01-18 11:48:40,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:48:40,211 INFO L470 AbstractCegarLoop]: Abstraction has 53698 states and 147411 transitions. [2022-01-18 11:48:40,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:40,211 INFO L276 IsEmpty]: Start isEmpty. Operand 53698 states and 147411 transitions. [2022-01-18 11:48:40,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:48:40,260 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:48:40,260 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:48:40,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-01-18 11:48:40,260 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:48:40,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:48:40,260 INFO L85 PathProgramCache]: Analyzing trace with hash -287529044, now seen corresponding path program 107 times [2022-01-18 11:48:40,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:48:40,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035254170] [2022-01-18 11:48:40,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:48:40,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:48:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:48:40,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:48:40,481 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:48:40,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035254170] [2022-01-18 11:48:40,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035254170] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:48:40,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:48:40,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:48:40,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720889952] [2022-01-18 11:48:40,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:48:40,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:48:40,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:48:40,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:48:40,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:48:40,482 INFO L87 Difference]: Start difference. First operand 53698 states and 147411 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:43,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:48:43,000 INFO L93 Difference]: Finished difference Result 136977 states and 377483 transitions. [2022-01-18 11:48:43,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:48:43,001 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:48:43,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:48:43,297 INFO L225 Difference]: With dead ends: 136977 [2022-01-18 11:48:43,298 INFO L226 Difference]: Without dead ends: 136663 [2022-01-18 11:48:43,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 841 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=699, Invalid=2723, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:48:43,298 INFO L933 BasicCegarLoop]: 881 mSDtfsCounter, 2948 mSDsluCounter, 10773 mSDsCounter, 0 mSdLazyCounter, 2168 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2948 SdHoareTripleChecker+Valid, 11535 SdHoareTripleChecker+Invalid, 2198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 2168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:48:43,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2948 Valid, 11535 Invalid, 2198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 2168 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:48:43,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136663 states. [2022-01-18 11:48:44,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136663 to 53542. [2022-01-18 11:48:44,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53542 states, 53541 states have (on average 2.7452232868269175) internal successors, (146982), 53541 states have internal predecessors, (146982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:44,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53542 states to 53542 states and 146982 transitions. [2022-01-18 11:48:44,986 INFO L78 Accepts]: Start accepts. Automaton has 53542 states and 146982 transitions. Word has length 163 [2022-01-18 11:48:44,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:48:44,986 INFO L470 AbstractCegarLoop]: Abstraction has 53542 states and 146982 transitions. [2022-01-18 11:48:44,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:44,986 INFO L276 IsEmpty]: Start isEmpty. Operand 53542 states and 146982 transitions. [2022-01-18 11:48:45,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:48:45,037 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:48:45,037 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:48:45,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-01-18 11:48:45,037 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:48:45,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:48:45,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1508644928, now seen corresponding path program 108 times [2022-01-18 11:48:45,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:48:45,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736164091] [2022-01-18 11:48:45,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:48:45,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:48:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:48:45,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:48:45,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:48:45,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736164091] [2022-01-18 11:48:45,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736164091] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:48:45,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:48:45,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:48:45,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029642943] [2022-01-18 11:48:45,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:48:45,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:48:45,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:48:45,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:48:45,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:48:45,253 INFO L87 Difference]: Start difference. First operand 53542 states and 146982 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:47,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:48:47,718 INFO L93 Difference]: Finished difference Result 136040 states and 374974 transitions. [2022-01-18 11:48:47,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-18 11:48:47,719 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:48:47,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:48:48,013 INFO L225 Difference]: With dead ends: 136040 [2022-01-18 11:48:48,014 INFO L226 Difference]: Without dead ends: 135766 [2022-01-18 11:48:48,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 822 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=693, Invalid=2613, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 11:48:48,014 INFO L933 BasicCegarLoop]: 875 mSDtfsCounter, 3043 mSDsluCounter, 11008 mSDsCounter, 0 mSdLazyCounter, 2188 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3043 SdHoareTripleChecker+Valid, 11757 SdHoareTripleChecker+Invalid, 2213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:48:48,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3043 Valid, 11757 Invalid, 2213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2188 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-18 11:48:48,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135766 states. [2022-01-18 11:48:49,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135766 to 53430. [2022-01-18 11:48:49,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53430 states, 53429 states have (on average 2.7472346478504184) internal successors, (146782), 53429 states have internal predecessors, (146782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:49,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53430 states to 53430 states and 146782 transitions. [2022-01-18 11:48:49,670 INFO L78 Accepts]: Start accepts. Automaton has 53430 states and 146782 transitions. Word has length 163 [2022-01-18 11:48:49,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:48:49,671 INFO L470 AbstractCegarLoop]: Abstraction has 53430 states and 146782 transitions. [2022-01-18 11:48:49,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:49,671 INFO L276 IsEmpty]: Start isEmpty. Operand 53430 states and 146782 transitions. [2022-01-18 11:48:49,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:48:49,728 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:48:49,728 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:48:49,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-01-18 11:48:49,729 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:48:49,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:48:49,729 INFO L85 PathProgramCache]: Analyzing trace with hash 13473190, now seen corresponding path program 109 times [2022-01-18 11:48:49,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:48:49,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612072112] [2022-01-18 11:48:49,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:48:49,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:48:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:48:49,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:48:49,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:48:49,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612072112] [2022-01-18 11:48:49,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612072112] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:48:49,948 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:48:49,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:48:49,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630896718] [2022-01-18 11:48:49,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:48:49,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:48:49,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:48:49,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:48:49,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:48:49,949 INFO L87 Difference]: Start difference. First operand 53430 states and 146782 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:52,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:48:52,132 INFO L93 Difference]: Finished difference Result 128708 states and 354661 transitions. [2022-01-18 11:48:52,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:48:52,132 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:48:52,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:48:52,388 INFO L225 Difference]: With dead ends: 128708 [2022-01-18 11:48:52,388 INFO L226 Difference]: Without dead ends: 128354 [2022-01-18 11:48:52,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 872 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=700, Invalid=2722, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:48:52,388 INFO L933 BasicCegarLoop]: 907 mSDtfsCounter, 3596 mSDsluCounter, 10697 mSDsCounter, 0 mSdLazyCounter, 2074 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3596 SdHoareTripleChecker+Valid, 11497 SdHoareTripleChecker+Invalid, 2099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:48:52,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3596 Valid, 11497 Invalid, 2099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2074 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:48:52,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128354 states. [2022-01-18 11:48:53,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128354 to 54522. [2022-01-18 11:48:53,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54522 states, 54521 states have (on average 2.74633627409622) internal successors, (149733), 54521 states have internal predecessors, (149733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:53,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54522 states to 54522 states and 149733 transitions. [2022-01-18 11:48:53,953 INFO L78 Accepts]: Start accepts. Automaton has 54522 states and 149733 transitions. Word has length 163 [2022-01-18 11:48:53,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:48:53,953 INFO L470 AbstractCegarLoop]: Abstraction has 54522 states and 149733 transitions. [2022-01-18 11:48:53,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:53,953 INFO L276 IsEmpty]: Start isEmpty. Operand 54522 states and 149733 transitions. [2022-01-18 11:48:53,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:48:53,999 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:48:53,999 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:48:53,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-01-18 11:48:53,999 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:48:53,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:48:53,999 INFO L85 PathProgramCache]: Analyzing trace with hash -918697464, now seen corresponding path program 110 times [2022-01-18 11:48:53,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:48:53,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490545840] [2022-01-18 11:48:53,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:48:53,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:48:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:48:54,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:48:54,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:48:54,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490545840] [2022-01-18 11:48:54,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490545840] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:48:54,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:48:54,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:48:54,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810273054] [2022-01-18 11:48:54,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:48:54,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:48:54,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:48:54,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:48:54,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:48:54,249 INFO L87 Difference]: Start difference. First operand 54522 states and 149733 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:56,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:48:56,815 INFO L93 Difference]: Finished difference Result 128816 states and 354962 transitions. [2022-01-18 11:48:56,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:48:56,815 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:48:56,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:48:57,049 INFO L225 Difference]: With dead ends: 128816 [2022-01-18 11:48:57,049 INFO L226 Difference]: Without dead ends: 128502 [2022-01-18 11:48:57,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 898 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=740, Invalid=2800, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 11:48:57,050 INFO L933 BasicCegarLoop]: 886 mSDtfsCounter, 3113 mSDsluCounter, 11071 mSDsCounter, 0 mSdLazyCounter, 2098 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3113 SdHoareTripleChecker+Valid, 11843 SdHoareTripleChecker+Invalid, 2128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 2098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:48:57,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3113 Valid, 11843 Invalid, 2128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 2098 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:48:57,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128502 states. [2022-01-18 11:48:58,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128502 to 54366. [2022-01-18 11:48:58,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54366 states, 54365 states have (on average 2.7463257610595053) internal successors, (149304), 54365 states have internal predecessors, (149304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:58,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54366 states to 54366 states and 149304 transitions. [2022-01-18 11:48:58,569 INFO L78 Accepts]: Start accepts. Automaton has 54366 states and 149304 transitions. Word has length 163 [2022-01-18 11:48:58,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:48:58,570 INFO L470 AbstractCegarLoop]: Abstraction has 54366 states and 149304 transitions. [2022-01-18 11:48:58,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:48:58,570 INFO L276 IsEmpty]: Start isEmpty. Operand 54366 states and 149304 transitions. [2022-01-18 11:48:58,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:48:58,616 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:48:58,616 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:48:58,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-01-18 11:48:58,616 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:48:58,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:48:58,621 INFO L85 PathProgramCache]: Analyzing trace with hash 877476508, now seen corresponding path program 111 times [2022-01-18 11:48:58,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:48:58,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844533231] [2022-01-18 11:48:58,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:48:58,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:48:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:48:58,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:48:58,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:48:58,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844533231] [2022-01-18 11:48:58,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844533231] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:48:58,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:48:58,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:48:58,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341795704] [2022-01-18 11:48:58,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:48:58,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:48:58,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:48:58,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:48:58,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:48:58,875 INFO L87 Difference]: Start difference. First operand 54366 states and 149304 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:02,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:49:02,189 INFO L93 Difference]: Finished difference Result 128639 states and 354559 transitions. [2022-01-18 11:49:02,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 11:49:02,190 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:49:02,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:49:02,456 INFO L225 Difference]: With dead ends: 128639 [2022-01-18 11:49:02,456 INFO L226 Difference]: Without dead ends: 127697 [2022-01-18 11:49:02,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 982 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=899, Invalid=2883, Unknown=0, NotChecked=0, Total=3782 [2022-01-18 11:49:02,457 INFO L933 BasicCegarLoop]: 865 mSDtfsCounter, 3627 mSDsluCounter, 11264 mSDsCounter, 0 mSdLazyCounter, 2149 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3627 SdHoareTripleChecker+Valid, 12040 SdHoareTripleChecker+Invalid, 2207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:49:02,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3627 Valid, 12040 Invalid, 2207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2149 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:49:02,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127697 states. [2022-01-18 11:49:03,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127697 to 53638. [2022-01-18 11:49:03,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53638 states, 53637 states have (on average 2.7462758916419636) internal successors, (147302), 53637 states have internal predecessors, (147302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:03,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53638 states to 53638 states and 147302 transitions. [2022-01-18 11:49:03,967 INFO L78 Accepts]: Start accepts. Automaton has 53638 states and 147302 transitions. Word has length 163 [2022-01-18 11:49:03,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:49:03,967 INFO L470 AbstractCegarLoop]: Abstraction has 53638 states and 147302 transitions. [2022-01-18 11:49:03,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:03,967 INFO L276 IsEmpty]: Start isEmpty. Operand 53638 states and 147302 transitions. [2022-01-18 11:49:04,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:49:04,012 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:49:04,012 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:49:04,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-01-18 11:49:04,012 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:49:04,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:49:04,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1190576120, now seen corresponding path program 112 times [2022-01-18 11:49:04,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:49:04,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703474599] [2022-01-18 11:49:04,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:49:04,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:49:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:49:04,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:49:04,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:49:04,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703474599] [2022-01-18 11:49:04,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703474599] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:49:04,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:49:04,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:49:04,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390270906] [2022-01-18 11:49:04,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:49:04,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:49:04,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:49:04,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:49:04,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:49:04,164 INFO L87 Difference]: Start difference. First operand 53638 states and 147302 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:06,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:49:06,125 INFO L93 Difference]: Finished difference Result 127332 states and 350765 transitions. [2022-01-18 11:49:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-18 11:49:06,126 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:49:06,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:49:06,392 INFO L225 Difference]: With dead ends: 127332 [2022-01-18 11:49:06,392 INFO L226 Difference]: Without dead ends: 126962 [2022-01-18 11:49:06,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 606 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=570, Invalid=2186, Unknown=0, NotChecked=0, Total=2756 [2022-01-18 11:49:06,393 INFO L933 BasicCegarLoop]: 839 mSDtfsCounter, 3529 mSDsluCounter, 9993 mSDsCounter, 0 mSdLazyCounter, 1928 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3529 SdHoareTripleChecker+Valid, 10720 SdHoareTripleChecker+Invalid, 1952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:49:06,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3529 Valid, 10720 Invalid, 1952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1928 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:49:06,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126962 states. [2022-01-18 11:49:07,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126962 to 53654. [2022-01-18 11:49:07,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53654 states, 53653 states have (on average 2.7462024490708816) internal successors, (147342), 53653 states have internal predecessors, (147342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:07,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53654 states to 53654 states and 147342 transitions. [2022-01-18 11:49:07,933 INFO L78 Accepts]: Start accepts. Automaton has 53654 states and 147342 transitions. Word has length 163 [2022-01-18 11:49:07,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:49:07,933 INFO L470 AbstractCegarLoop]: Abstraction has 53654 states and 147342 transitions. [2022-01-18 11:49:07,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:07,933 INFO L276 IsEmpty]: Start isEmpty. Operand 53654 states and 147342 transitions. [2022-01-18 11:49:07,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:49:07,979 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:49:07,979 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:49:07,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-01-18 11:49:07,979 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:49:07,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:49:07,979 INFO L85 PathProgramCache]: Analyzing trace with hash -2095380020, now seen corresponding path program 113 times [2022-01-18 11:49:07,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:49:07,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711774164] [2022-01-18 11:49:07,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:49:07,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:49:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:49:08,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:49:08,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:49:08,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711774164] [2022-01-18 11:49:08,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711774164] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:49:08,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:49:08,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:49:08,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209348254] [2022-01-18 11:49:08,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:49:08,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:49:08,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:49:08,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:49:08,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:49:08,204 INFO L87 Difference]: Start difference. First operand 53654 states and 147342 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:10,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:49:10,605 INFO L93 Difference]: Finished difference Result 128481 states and 353793 transitions. [2022-01-18 11:49:10,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-18 11:49:10,605 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:49:10,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:49:10,867 INFO L225 Difference]: With dead ends: 128481 [2022-01-18 11:49:10,867 INFO L226 Difference]: Without dead ends: 128127 [2022-01-18 11:49:10,867 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 757 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=636, Invalid=2556, Unknown=0, NotChecked=0, Total=3192 [2022-01-18 11:49:10,867 INFO L933 BasicCegarLoop]: 845 mSDtfsCounter, 3561 mSDsluCounter, 10545 mSDsCounter, 0 mSdLazyCounter, 1984 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3561 SdHoareTripleChecker+Valid, 11271 SdHoareTripleChecker+Invalid, 2014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:49:10,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3561 Valid, 11271 Invalid, 2014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1984 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:49:11,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128127 states. [2022-01-18 11:49:12,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128127 to 53810. [2022-01-18 11:49:12,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53810 states, 53809 states have (on average 2.7452470776264195) internal successors, (147719), 53809 states have internal predecessors, (147719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:12,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53810 states to 53810 states and 147719 transitions. [2022-01-18 11:49:12,400 INFO L78 Accepts]: Start accepts. Automaton has 53810 states and 147719 transitions. Word has length 163 [2022-01-18 11:49:12,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:49:12,400 INFO L470 AbstractCegarLoop]: Abstraction has 53810 states and 147719 transitions. [2022-01-18 11:49:12,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:12,400 INFO L276 IsEmpty]: Start isEmpty. Operand 53810 states and 147719 transitions. [2022-01-18 11:49:12,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:49:12,445 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:49:12,446 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:49:12,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-01-18 11:49:12,446 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:49:12,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:49:12,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1267416622, now seen corresponding path program 114 times [2022-01-18 11:49:12,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:49:12,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041405182] [2022-01-18 11:49:12,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:49:12,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:49:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:49:12,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:49:12,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:49:12,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041405182] [2022-01-18 11:49:12,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041405182] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:49:12,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:49:12,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:49:12,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356691193] [2022-01-18 11:49:12,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:49:12,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:49:12,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:49:12,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:49:12,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:49:12,618 INFO L87 Difference]: Start difference. First operand 53810 states and 147719 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:14,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:49:14,220 INFO L93 Difference]: Finished difference Result 127580 states and 351511 transitions. [2022-01-18 11:49:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-18 11:49:14,221 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:49:14,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:49:14,809 INFO L225 Difference]: With dead ends: 127580 [2022-01-18 11:49:14,810 INFO L226 Difference]: Without dead ends: 127254 [2022-01-18 11:49:14,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 705 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=632, Invalid=2448, Unknown=0, NotChecked=0, Total=3080 [2022-01-18 11:49:14,810 INFO L933 BasicCegarLoop]: 823 mSDtfsCounter, 2990 mSDsluCounter, 10391 mSDsCounter, 0 mSdLazyCounter, 1963 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2990 SdHoareTripleChecker+Valid, 11096 SdHoareTripleChecker+Invalid, 1994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:49:14,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2990 Valid, 11096 Invalid, 1994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1963 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:49:15,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127254 states. [2022-01-18 11:49:16,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127254 to 53642. [2022-01-18 11:49:16,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53642 states, 53641 states have (on average 2.7462015995227533) internal successors, (147309), 53641 states have internal predecessors, (147309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:16,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53642 states to 53642 states and 147309 transitions. [2022-01-18 11:49:16,353 INFO L78 Accepts]: Start accepts. Automaton has 53642 states and 147309 transitions. Word has length 163 [2022-01-18 11:49:16,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:49:16,354 INFO L470 AbstractCegarLoop]: Abstraction has 53642 states and 147309 transitions. [2022-01-18 11:49:16,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:16,354 INFO L276 IsEmpty]: Start isEmpty. Operand 53642 states and 147309 transitions. [2022-01-18 11:49:16,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:49:16,406 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:49:16,406 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:49:16,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-01-18 11:49:16,406 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:49:16,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:49:16,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1099160292, now seen corresponding path program 115 times [2022-01-18 11:49:16,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:49:16,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767615180] [2022-01-18 11:49:16,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:49:16,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:49:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:49:16,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:49:16,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:49:16,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767615180] [2022-01-18 11:49:16,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767615180] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:49:16,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:49:16,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:49:16,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477208577] [2022-01-18 11:49:16,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:49:16,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:49:16,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:49:16,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:49:16,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:49:16,631 INFO L87 Difference]: Start difference. First operand 53642 states and 147309 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:18,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:49:18,620 INFO L93 Difference]: Finished difference Result 133133 states and 366798 transitions. [2022-01-18 11:49:18,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:49:18,620 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:49:18,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:49:19,159 INFO L225 Difference]: With dead ends: 133133 [2022-01-18 11:49:19,159 INFO L226 Difference]: Without dead ends: 132779 [2022-01-18 11:49:19,160 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 873 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=688, Invalid=2734, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:49:19,160 INFO L933 BasicCegarLoop]: 879 mSDtfsCounter, 3352 mSDsluCounter, 11371 mSDsCounter, 0 mSdLazyCounter, 2069 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3352 SdHoareTripleChecker+Valid, 12113 SdHoareTripleChecker+Invalid, 2092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:49:19,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3352 Valid, 12113 Invalid, 2092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 2069 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:49:19,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132779 states. [2022-01-18 11:49:20,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132779 to 53850. [2022-01-18 11:49:20,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53850 states, 53849 states have (on average 2.745250608182139) internal successors, (147829), 53849 states have internal predecessors, (147829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:20,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53850 states to 53850 states and 147829 transitions. [2022-01-18 11:49:20,760 INFO L78 Accepts]: Start accepts. Automaton has 53850 states and 147829 transitions. Word has length 163 [2022-01-18 11:49:20,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:49:20,760 INFO L470 AbstractCegarLoop]: Abstraction has 53850 states and 147829 transitions. [2022-01-18 11:49:20,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:20,760 INFO L276 IsEmpty]: Start isEmpty. Operand 53850 states and 147829 transitions. [2022-01-18 11:49:20,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:49:20,810 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:49:20,810 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:49:20,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-01-18 11:49:20,810 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:49:20,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:49:20,811 INFO L85 PathProgramCache]: Analyzing trace with hash -2031330946, now seen corresponding path program 116 times [2022-01-18 11:49:20,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:49:20,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748305541] [2022-01-18 11:49:20,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:49:20,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:49:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:49:20,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:49:20,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:49:20,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748305541] [2022-01-18 11:49:20,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748305541] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:49:20,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:49:20,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:49:20,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112082642] [2022-01-18 11:49:20,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:49:20,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:49:20,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:49:20,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:49:20,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:49:20,999 INFO L87 Difference]: Start difference. First operand 53850 states and 147829 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:22,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:49:22,832 INFO L93 Difference]: Finished difference Result 132833 states and 366101 transitions. [2022-01-18 11:49:22,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:49:22,832 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:49:22,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:49:23,402 INFO L225 Difference]: With dead ends: 132833 [2022-01-18 11:49:23,402 INFO L226 Difference]: Without dead ends: 132519 [2022-01-18 11:49:23,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 902 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=730, Invalid=2810, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 11:49:23,403 INFO L933 BasicCegarLoop]: 854 mSDtfsCounter, 2916 mSDsluCounter, 11172 mSDsCounter, 0 mSdLazyCounter, 2144 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2916 SdHoareTripleChecker+Valid, 11898 SdHoareTripleChecker+Invalid, 2173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:49:23,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2916 Valid, 11898 Invalid, 2173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2144 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:49:23,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132519 states. [2022-01-18 11:49:24,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132519 to 53694. [2022-01-18 11:49:24,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53694 states, 53693 states have (on average 2.745236809267502) internal successors, (147400), 53693 states have internal predecessors, (147400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:25,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53694 states to 53694 states and 147400 transitions. [2022-01-18 11:49:25,127 INFO L78 Accepts]: Start accepts. Automaton has 53694 states and 147400 transitions. Word has length 163 [2022-01-18 11:49:25,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:49:25,127 INFO L470 AbstractCegarLoop]: Abstraction has 53694 states and 147400 transitions. [2022-01-18 11:49:25,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:25,127 INFO L276 IsEmpty]: Start isEmpty. Operand 53694 states and 147400 transitions. [2022-01-18 11:49:25,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:49:25,265 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:49:25,265 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:49:25,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-01-18 11:49:25,265 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:49:25,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:49:25,265 INFO L85 PathProgramCache]: Analyzing trace with hash -235156974, now seen corresponding path program 117 times [2022-01-18 11:49:25,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:49:25,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600575718] [2022-01-18 11:49:25,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:49:25,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:49:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:49:25,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:49:25,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:49:25,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600575718] [2022-01-18 11:49:25,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600575718] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:49:25,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:49:25,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:49:25,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111830277] [2022-01-18 11:49:25,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:49:25,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:49:25,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:49:25,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:49:25,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:49:25,665 INFO L87 Difference]: Start difference. First operand 53694 states and 147400 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:28,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:49:28,313 INFO L93 Difference]: Finished difference Result 131896 states and 363592 transitions. [2022-01-18 11:49:28,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 11:49:28,313 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:49:28,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:49:28,553 INFO L225 Difference]: With dead ends: 131896 [2022-01-18 11:49:28,553 INFO L226 Difference]: Without dead ends: 131626 [2022-01-18 11:49:28,553 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 734 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=746, Invalid=2334, Unknown=0, NotChecked=0, Total=3080 [2022-01-18 11:49:28,553 INFO L933 BasicCegarLoop]: 779 mSDtfsCounter, 3107 mSDsluCounter, 10064 mSDsCounter, 0 mSdLazyCounter, 1949 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3107 SdHoareTripleChecker+Valid, 10749 SdHoareTripleChecker+Invalid, 1996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:49:28,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3107 Valid, 10749 Invalid, 1996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1949 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:49:28,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131626 states. [2022-01-18 11:49:29,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131626 to 53586. [2022-01-18 11:49:29,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53586 states, 53585 states have (on average 2.746272277689652) internal successors, (147159), 53585 states have internal predecessors, (147159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:30,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53586 states to 53586 states and 147159 transitions. [2022-01-18 11:49:30,049 INFO L78 Accepts]: Start accepts. Automaton has 53586 states and 147159 transitions. Word has length 163 [2022-01-18 11:49:30,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:49:30,050 INFO L470 AbstractCegarLoop]: Abstraction has 53586 states and 147159 transitions. [2022-01-18 11:49:30,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:30,050 INFO L276 IsEmpty]: Start isEmpty. Operand 53586 states and 147159 transitions. [2022-01-18 11:49:30,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:49:30,105 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:49:30,105 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:49:30,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-01-18 11:49:30,105 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:49:30,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:49:30,106 INFO L85 PathProgramCache]: Analyzing trace with hash -2031288886, now seen corresponding path program 118 times [2022-01-18 11:49:30,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:49:30,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069784421] [2022-01-18 11:49:30,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:49:30,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:49:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:49:30,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:49:30,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:49:30,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069784421] [2022-01-18 11:49:30,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069784421] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:49:30,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:49:30,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:49:30,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882342722] [2022-01-18 11:49:30,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:49:30,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:49:30,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:49:30,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:49:30,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:49:30,370 INFO L87 Difference]: Start difference. First operand 53586 states and 147159 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:31,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:49:31,996 INFO L93 Difference]: Finished difference Result 111708 states and 307760 transitions. [2022-01-18 11:49:31,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 11:49:31,996 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:49:31,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:49:32,210 INFO L225 Difference]: With dead ends: 111708 [2022-01-18 11:49:32,210 INFO L226 Difference]: Without dead ends: 111290 [2022-01-18 11:49:32,211 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=486, Invalid=1964, Unknown=0, NotChecked=0, Total=2450 [2022-01-18 11:49:32,212 INFO L933 BasicCegarLoop]: 811 mSDtfsCounter, 3376 mSDsluCounter, 9585 mSDsCounter, 0 mSdLazyCounter, 1598 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3376 SdHoareTripleChecker+Valid, 10294 SdHoareTripleChecker+Invalid, 1625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:49:32,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3376 Valid, 10294 Invalid, 1625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1598 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:49:32,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111290 states. [2022-01-18 11:49:33,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111290 to 53634. [2022-01-18 11:49:33,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53634 states, 53633 states have (on average 2.7460518710495405) internal successors, (147279), 53633 states have internal predecessors, (147279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:33,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53634 states to 53634 states and 147279 transitions. [2022-01-18 11:49:33,651 INFO L78 Accepts]: Start accepts. Automaton has 53634 states and 147279 transitions. Word has length 163 [2022-01-18 11:49:33,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:49:33,652 INFO L470 AbstractCegarLoop]: Abstraction has 53634 states and 147279 transitions. [2022-01-18 11:49:33,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:33,652 INFO L276 IsEmpty]: Start isEmpty. Operand 53634 states and 147279 transitions. [2022-01-18 11:49:33,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:49:33,710 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:49:33,710 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:49:33,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-01-18 11:49:33,710 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:49:33,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:49:33,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1126675610, now seen corresponding path program 119 times [2022-01-18 11:49:33,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:49:33,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744562609] [2022-01-18 11:49:33,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:49:33,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:49:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:49:34,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:49:34,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:49:34,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744562609] [2022-01-18 11:49:34,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744562609] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:49:34,252 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:49:34,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:49:34,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668014876] [2022-01-18 11:49:34,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:49:34,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:49:34,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:49:34,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:49:34,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:49:34,253 INFO L87 Difference]: Start difference. First operand 53634 states and 147279 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:35,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:49:35,905 INFO L93 Difference]: Finished difference Result 113173 states and 311561 transitions. [2022-01-18 11:49:35,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-18 11:49:35,905 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:49:35,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:49:36,129 INFO L225 Difference]: With dead ends: 113173 [2022-01-18 11:49:36,130 INFO L226 Difference]: Without dead ends: 112803 [2022-01-18 11:49:36,130 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 575 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=519, Invalid=2133, Unknown=0, NotChecked=0, Total=2652 [2022-01-18 11:49:36,130 INFO L933 BasicCegarLoop]: 800 mSDtfsCounter, 3444 mSDsluCounter, 9646 mSDsCounter, 0 mSdLazyCounter, 1710 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3444 SdHoareTripleChecker+Valid, 10344 SdHoareTripleChecker+Invalid, 1744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:49:36,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3444 Valid, 10344 Invalid, 1744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1710 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:49:36,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112803 states. [2022-01-18 11:49:37,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112803 to 53646. [2022-01-18 11:49:37,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53646 states, 53645 states have (on average 2.7459781899524653) internal successors, (147308), 53645 states have internal predecessors, (147308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:37,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53646 states to 53646 states and 147308 transitions. [2022-01-18 11:49:37,678 INFO L78 Accepts]: Start accepts. Automaton has 53646 states and 147308 transitions. Word has length 163 [2022-01-18 11:49:37,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:49:37,678 INFO L470 AbstractCegarLoop]: Abstraction has 53646 states and 147308 transitions. [2022-01-18 11:49:37,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:37,678 INFO L276 IsEmpty]: Start isEmpty. Operand 53646 states and 147308 transitions. [2022-01-18 11:49:37,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:49:37,731 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:49:37,731 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:49:37,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-01-18 11:49:37,731 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:49:37,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:49:37,731 INFO L85 PathProgramCache]: Analyzing trace with hash -2031479510, now seen corresponding path program 120 times [2022-01-18 11:49:37,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:49:37,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403516639] [2022-01-18 11:49:37,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:49:37,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:49:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:49:37,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:49:37,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:49:37,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403516639] [2022-01-18 11:49:37,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403516639] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:49:37,957 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:49:37,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:49:37,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452434019] [2022-01-18 11:49:37,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:49:37,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:49:37,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:49:37,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:49:37,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:49:37,958 INFO L87 Difference]: Start difference. First operand 53646 states and 147308 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:39,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:49:39,879 INFO L93 Difference]: Finished difference Result 112821 states and 310693 transitions. [2022-01-18 11:49:39,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 11:49:39,879 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:49:39,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:49:40,088 INFO L225 Difference]: With dead ends: 112821 [2022-01-18 11:49:40,088 INFO L226 Difference]: Without dead ends: 112467 [2022-01-18 11:49:40,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 654 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=543, Invalid=2319, Unknown=0, NotChecked=0, Total=2862 [2022-01-18 11:49:40,089 INFO L933 BasicCegarLoop]: 805 mSDtfsCounter, 3038 mSDsluCounter, 10089 mSDsCounter, 0 mSdLazyCounter, 1743 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3038 SdHoareTripleChecker+Valid, 10786 SdHoareTripleChecker+Invalid, 1775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:49:40,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3038 Valid, 10786 Invalid, 1775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1743 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:49:40,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112467 states. [2022-01-18 11:49:41,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112467 to 53802. [2022-01-18 11:49:41,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53802 states, 53801 states have (on average 2.7450233267039645) internal successors, (147685), 53801 states have internal predecessors, (147685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:41,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53802 states to 53802 states and 147685 transitions. [2022-01-18 11:49:41,611 INFO L78 Accepts]: Start accepts. Automaton has 53802 states and 147685 transitions. Word has length 163 [2022-01-18 11:49:41,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:49:41,611 INFO L470 AbstractCegarLoop]: Abstraction has 53802 states and 147685 transitions. [2022-01-18 11:49:41,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:41,611 INFO L276 IsEmpty]: Start isEmpty. Operand 53802 states and 147685 transitions. [2022-01-18 11:49:41,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:49:41,656 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:49:41,656 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:49:41,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-01-18 11:49:41,656 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:49:41,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:49:41,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1331317132, now seen corresponding path program 121 times [2022-01-18 11:49:41,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:49:41,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210545113] [2022-01-18 11:49:41,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:49:41,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:49:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:49:41,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:49:41,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:49:41,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210545113] [2022-01-18 11:49:41,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210545113] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:49:41,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:49:41,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:49:41,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172319136] [2022-01-18 11:49:41,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:49:41,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:49:41,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:49:41,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:49:41,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:49:41,916 INFO L87 Difference]: Start difference. First operand 53802 states and 147685 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:43,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:49:43,916 INFO L93 Difference]: Finished difference Result 111920 states and 308411 transitions. [2022-01-18 11:49:43,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-18 11:49:43,916 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:49:43,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:49:44,147 INFO L225 Difference]: With dead ends: 111920 [2022-01-18 11:49:44,147 INFO L226 Difference]: Without dead ends: 111558 [2022-01-18 11:49:44,147 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=540, Invalid=2216, Unknown=0, NotChecked=0, Total=2756 [2022-01-18 11:49:44,147 INFO L933 BasicCegarLoop]: 780 mSDtfsCounter, 2418 mSDsluCounter, 10399 mSDsCounter, 0 mSdLazyCounter, 1786 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2418 SdHoareTripleChecker+Valid, 11064 SdHoareTripleChecker+Invalid, 1821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:49:44,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2418 Valid, 11064 Invalid, 1821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1786 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:49:44,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111558 states. [2022-01-18 11:49:45,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111558 to 53598. [2022-01-18 11:49:45,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53598 states, 53597 states have (on average 2.746049219172715) internal successors, (147180), 53597 states have internal predecessors, (147180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:45,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53598 states to 53598 states and 147180 transitions. [2022-01-18 11:49:45,698 INFO L78 Accepts]: Start accepts. Automaton has 53598 states and 147180 transitions. Word has length 163 [2022-01-18 11:49:45,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:49:45,698 INFO L470 AbstractCegarLoop]: Abstraction has 53598 states and 147180 transitions. [2022-01-18 11:49:45,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:45,698 INFO L276 IsEmpty]: Start isEmpty. Operand 53598 states and 147180 transitions. [2022-01-18 11:49:45,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:49:45,747 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:49:45,748 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:49:45,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-01-18 11:49:45,748 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:49:45,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:49:45,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1761641134, now seen corresponding path program 122 times [2022-01-18 11:49:45,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:49:45,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211218671] [2022-01-18 11:49:45,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:49:45,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:49:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:49:45,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:49:45,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:49:45,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211218671] [2022-01-18 11:49:45,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211218671] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:49:45,957 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:49:45,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:49:45,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952277481] [2022-01-18 11:49:45,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:49:45,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:49:45,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:49:45,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:49:45,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:49:45,958 INFO L87 Difference]: Start difference. First operand 53598 states and 147180 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:47,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:49:47,811 INFO L93 Difference]: Finished difference Result 117537 states and 323782 transitions. [2022-01-18 11:49:47,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-18 11:49:47,811 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:49:47,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:49:48,540 INFO L225 Difference]: With dead ends: 117537 [2022-01-18 11:49:48,540 INFO L226 Difference]: Without dead ends: 117167 [2022-01-18 11:49:48,541 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 600 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=541, Invalid=2111, Unknown=0, NotChecked=0, Total=2652 [2022-01-18 11:49:48,541 INFO L933 BasicCegarLoop]: 820 mSDtfsCounter, 3384 mSDsluCounter, 9833 mSDsCounter, 0 mSdLazyCounter, 1838 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3384 SdHoareTripleChecker+Valid, 10544 SdHoareTripleChecker+Invalid, 1863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:49:48,541 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3384 Valid, 10544 Invalid, 1863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1838 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:49:48,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117167 states. [2022-01-18 11:49:49,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117167 to 53614. [2022-01-18 11:49:49,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53614 states, 53613 states have (on average 2.74597578945405) internal successors, (147220), 53613 states have internal predecessors, (147220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:50,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53614 states to 53614 states and 147220 transitions. [2022-01-18 11:49:50,055 INFO L78 Accepts]: Start accepts. Automaton has 53614 states and 147220 transitions. Word has length 163 [2022-01-18 11:49:50,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:49:50,055 INFO L470 AbstractCegarLoop]: Abstraction has 53614 states and 147220 transitions. [2022-01-18 11:49:50,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:50,056 INFO L276 IsEmpty]: Start isEmpty. Operand 53614 states and 147220 transitions. [2022-01-18 11:49:50,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:49:50,101 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:49:50,102 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:49:50,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-01-18 11:49:50,102 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:49:50,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:49:50,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1628522262, now seen corresponding path program 123 times [2022-01-18 11:49:50,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:49:50,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034457764] [2022-01-18 11:49:50,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:49:50,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:49:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:49:50,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:49:50,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:49:50,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034457764] [2022-01-18 11:49:50,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034457764] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:49:50,318 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:49:50,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:49:50,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110027517] [2022-01-18 11:49:50,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:49:50,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:49:50,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:49:50,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:49:50,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:49:50,319 INFO L87 Difference]: Start difference. First operand 53614 states and 147220 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:52,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:49:52,122 INFO L93 Difference]: Finished difference Result 118314 states and 325899 transitions. [2022-01-18 11:49:52,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-18 11:49:52,123 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:49:52,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:49:52,362 INFO L225 Difference]: With dead ends: 118314 [2022-01-18 11:49:52,362 INFO L226 Difference]: Without dead ends: 117960 [2022-01-18 11:49:52,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 753 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=605, Invalid=2475, Unknown=0, NotChecked=0, Total=3080 [2022-01-18 11:49:52,363 INFO L933 BasicCegarLoop]: 822 mSDtfsCounter, 3135 mSDsluCounter, 11295 mSDsCounter, 0 mSdLazyCounter, 2031 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3135 SdHoareTripleChecker+Valid, 11983 SdHoareTripleChecker+Invalid, 2065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:49:52,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3135 Valid, 11983 Invalid, 2065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2031 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:49:52,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117960 states. [2022-01-18 11:49:53,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117960 to 53770. [2022-01-18 11:49:53,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53770 states, 53769 states have (on average 2.74502036489427) internal successors, (147597), 53769 states have internal predecessors, (147597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:53,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53770 states to 53770 states and 147597 transitions. [2022-01-18 11:49:53,815 INFO L78 Accepts]: Start accepts. Automaton has 53770 states and 147597 transitions. Word has length 163 [2022-01-18 11:49:53,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:49:53,815 INFO L470 AbstractCegarLoop]: Abstraction has 53770 states and 147597 transitions. [2022-01-18 11:49:53,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:53,815 INFO L276 IsEmpty]: Start isEmpty. Operand 53770 states and 147597 transitions. [2022-01-18 11:49:54,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:49:54,226 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:49:54,226 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:49:54,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-01-18 11:49:54,227 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:49:54,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:49:54,227 INFO L85 PathProgramCache]: Analyzing trace with hash 696351608, now seen corresponding path program 124 times [2022-01-18 11:49:54,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:49:54,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359353685] [2022-01-18 11:49:54,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:49:54,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:49:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:49:54,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:49:54,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:49:54,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359353685] [2022-01-18 11:49:54,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359353685] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:49:54,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:49:54,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:49:54,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944949512] [2022-01-18 11:49:54,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:49:54,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:49:54,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:49:54,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:49:54,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:49:54,475 INFO L87 Difference]: Start difference. First operand 53770 states and 147597 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:56,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:49:56,361 INFO L93 Difference]: Finished difference Result 117413 states and 323617 transitions. [2022-01-18 11:49:56,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 11:49:56,362 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:49:56,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:49:56,580 INFO L225 Difference]: With dead ends: 117413 [2022-01-18 11:49:56,580 INFO L226 Difference]: Without dead ends: 117087 [2022-01-18 11:49:56,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=601, Invalid=2369, Unknown=0, NotChecked=0, Total=2970 [2022-01-18 11:49:56,581 INFO L933 BasicCegarLoop]: 800 mSDtfsCounter, 3051 mSDsluCounter, 9857 mSDsCounter, 0 mSdLazyCounter, 1832 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3051 SdHoareTripleChecker+Valid, 10549 SdHoareTripleChecker+Invalid, 1863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:49:56,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3051 Valid, 10549 Invalid, 1863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1832 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:49:56,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117087 states. [2022-01-18 11:49:58,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117087 to 53602. [2022-01-18 11:49:58,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53602 states, 53601 states have (on average 2.745974888528199) internal successors, (147187), 53601 states have internal predecessors, (147187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:58,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53602 states to 53602 states and 147187 transitions. [2022-01-18 11:49:58,188 INFO L78 Accepts]: Start accepts. Automaton has 53602 states and 147187 transitions. Word has length 163 [2022-01-18 11:49:58,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:49:58,188 INFO L470 AbstractCegarLoop]: Abstraction has 53602 states and 147187 transitions. [2022-01-18 11:49:58,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:49:58,188 INFO L276 IsEmpty]: Start isEmpty. Operand 53602 states and 147187 transitions. [2022-01-18 11:49:58,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:49:58,236 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:49:58,237 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:49:58,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-01-18 11:49:58,237 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:49:58,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:49:58,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1670225306, now seen corresponding path program 125 times [2022-01-18 11:49:58,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:49:58,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258221366] [2022-01-18 11:49:58,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:49:58,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:49:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:49:58,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:49:58,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:49:58,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258221366] [2022-01-18 11:49:58,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258221366] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:49:58,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:49:58,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:49:58,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577885517] [2022-01-18 11:49:58,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:49:58,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:49:58,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:49:58,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:49:58,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:49:58,446 INFO L87 Difference]: Start difference. First operand 53602 states and 147187 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:00,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:50:00,766 INFO L93 Difference]: Finished difference Result 117577 states and 323992 transitions. [2022-01-18 11:50:00,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-18 11:50:00,767 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:50:00,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:50:01,012 INFO L225 Difference]: With dead ends: 117577 [2022-01-18 11:50:01,013 INFO L226 Difference]: Without dead ends: 117223 [2022-01-18 11:50:01,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=637, Invalid=2555, Unknown=0, NotChecked=0, Total=3192 [2022-01-18 11:50:01,013 INFO L933 BasicCegarLoop]: 844 mSDtfsCounter, 2988 mSDsluCounter, 11073 mSDsCounter, 0 mSdLazyCounter, 2014 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2988 SdHoareTripleChecker+Valid, 11795 SdHoareTripleChecker+Invalid, 2041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:50:01,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2988 Valid, 11795 Invalid, 2041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2014 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:50:01,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117223 states. [2022-01-18 11:50:02,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117223 to 53810. [2022-01-18 11:50:02,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53810 states, 53809 states have (on average 2.745024066605958) internal successors, (147707), 53809 states have internal predecessors, (147707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:02,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53810 states to 53810 states and 147707 transitions. [2022-01-18 11:50:02,694 INFO L78 Accepts]: Start accepts. Automaton has 53810 states and 147707 transitions. Word has length 163 [2022-01-18 11:50:02,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:50:02,694 INFO L470 AbstractCegarLoop]: Abstraction has 53810 states and 147707 transitions. [2022-01-18 11:50:02,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:02,695 INFO L276 IsEmpty]: Start isEmpty. Operand 53810 states and 147707 transitions. [2022-01-18 11:50:02,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:50:02,743 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:50:02,743 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:50:02,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-01-18 11:50:02,744 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:50:02,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:50:02,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1692571336, now seen corresponding path program 126 times [2022-01-18 11:50:02,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:50:02,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673908612] [2022-01-18 11:50:02,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:50:02,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:50:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:50:02,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:50:02,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:50:02,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673908612] [2022-01-18 11:50:02,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673908612] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:50:02,960 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:50:02,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:50:02,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134728671] [2022-01-18 11:50:02,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:50:02,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:50:02,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:50:02,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:50:02,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:50:02,961 INFO L87 Difference]: Start difference. First operand 53810 states and 147707 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:05,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:50:05,062 INFO L93 Difference]: Finished difference Result 117277 states and 323295 transitions. [2022-01-18 11:50:05,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-18 11:50:05,063 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:50:05,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:50:05,293 INFO L225 Difference]: With dead ends: 117277 [2022-01-18 11:50:05,293 INFO L226 Difference]: Without dead ends: 116963 [2022-01-18 11:50:05,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 855 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=675, Invalid=2631, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 11:50:05,294 INFO L933 BasicCegarLoop]: 819 mSDtfsCounter, 3119 mSDsluCounter, 10114 mSDsCounter, 0 mSdLazyCounter, 1845 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3119 SdHoareTripleChecker+Valid, 10828 SdHoareTripleChecker+Invalid, 1882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:50:05,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3119 Valid, 10828 Invalid, 1882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1845 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:50:05,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116963 states. [2022-01-18 11:50:06,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116963 to 53654. [2022-01-18 11:50:06,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53654 states, 53653 states have (on average 2.7450095987176857) internal successors, (147278), 53653 states have internal predecessors, (147278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:06,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53654 states to 53654 states and 147278 transitions. [2022-01-18 11:50:06,836 INFO L78 Accepts]: Start accepts. Automaton has 53654 states and 147278 transitions. Word has length 163 [2022-01-18 11:50:06,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:50:06,836 INFO L470 AbstractCegarLoop]: Abstraction has 53654 states and 147278 transitions. [2022-01-18 11:50:06,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:06,837 INFO L276 IsEmpty]: Start isEmpty. Operand 53654 states and 147278 transitions. [2022-01-18 11:50:06,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:50:06,888 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:50:06,888 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:50:06,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-01-18 11:50:06,890 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:50:06,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:50:06,892 INFO L85 PathProgramCache]: Analyzing trace with hash -806221988, now seen corresponding path program 127 times [2022-01-18 11:50:06,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:50:06,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516758170] [2022-01-18 11:50:06,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:50:06,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:50:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:50:07,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:50:07,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:50:07,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516758170] [2022-01-18 11:50:07,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516758170] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:50:07,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:50:07,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:50:07,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614247626] [2022-01-18 11:50:07,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:50:07,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:50:07,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:50:07,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:50:07,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:50:07,106 INFO L87 Difference]: Start difference. First operand 53654 states and 147278 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:09,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:50:09,031 INFO L93 Difference]: Finished difference Result 116340 states and 320786 transitions. [2022-01-18 11:50:09,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-18 11:50:09,032 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:50:09,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:50:09,252 INFO L225 Difference]: With dead ends: 116340 [2022-01-18 11:50:09,252 INFO L226 Difference]: Without dead ends: 115882 [2022-01-18 11:50:09,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 829 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=672, Invalid=2520, Unknown=0, NotChecked=0, Total=3192 [2022-01-18 11:50:09,254 INFO L933 BasicCegarLoop]: 813 mSDtfsCounter, 2574 mSDsluCounter, 10522 mSDsCounter, 0 mSdLazyCounter, 1958 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2574 SdHoareTripleChecker+Valid, 11226 SdHoareTripleChecker+Invalid, 1987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:50:09,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2574 Valid, 11226 Invalid, 1987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1958 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:50:09,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115882 states. [2022-01-18 11:50:10,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115882 to 53358. [2022-01-18 11:50:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53358 states, 53357 states have (on average 2.747305883014412) internal successors, (146588), 53357 states have internal predecessors, (146588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:10,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53358 states to 53358 states and 146588 transitions. [2022-01-18 11:50:10,855 INFO L78 Accepts]: Start accepts. Automaton has 53358 states and 146588 transitions. Word has length 163 [2022-01-18 11:50:10,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:50:10,855 INFO L470 AbstractCegarLoop]: Abstraction has 53358 states and 146588 transitions. [2022-01-18 11:50:10,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:10,855 INFO L276 IsEmpty]: Start isEmpty. Operand 53358 states and 146588 transitions. [2022-01-18 11:50:10,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:50:10,900 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:50:10,900 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:50:10,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-01-18 11:50:10,902 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:50:10,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:50:10,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1619648604, now seen corresponding path program 128 times [2022-01-18 11:50:10,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:50:10,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017060060] [2022-01-18 11:50:10,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:50:10,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:50:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:50:11,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:50:11,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:50:11,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017060060] [2022-01-18 11:50:11,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017060060] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:50:11,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:50:11,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:50:11,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697500763] [2022-01-18 11:50:11,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:50:11,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:50:11,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:50:11,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:50:11,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:50:11,499 INFO L87 Difference]: Start difference. First operand 53358 states and 146588 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:13,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:50:13,575 INFO L93 Difference]: Finished difference Result 122607 states and 338052 transitions. [2022-01-18 11:50:13,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 11:50:13,576 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:50:13,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:50:13,806 INFO L225 Difference]: With dead ends: 122607 [2022-01-18 11:50:13,806 INFO L226 Difference]: Without dead ends: 122253 [2022-01-18 11:50:13,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=836, Invalid=2946, Unknown=0, NotChecked=0, Total=3782 [2022-01-18 11:50:13,807 INFO L933 BasicCegarLoop]: 872 mSDtfsCounter, 3700 mSDsluCounter, 10520 mSDsCounter, 0 mSdLazyCounter, 2054 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3700 SdHoareTripleChecker+Valid, 11327 SdHoareTripleChecker+Invalid, 2095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 2054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:50:13,807 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3700 Valid, 11327 Invalid, 2095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 2054 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:50:13,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122253 states. [2022-01-18 11:50:15,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122253 to 54294. [2022-01-18 11:50:15,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54294 states, 54293 states have (on average 2.746394562834988) internal successors, (149110), 54293 states have internal predecessors, (149110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:15,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54294 states to 54294 states and 149110 transitions. [2022-01-18 11:50:15,335 INFO L78 Accepts]: Start accepts. Automaton has 54294 states and 149110 transitions. Word has length 163 [2022-01-18 11:50:15,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:50:15,335 INFO L470 AbstractCegarLoop]: Abstraction has 54294 states and 149110 transitions. [2022-01-18 11:50:15,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:15,335 INFO L276 IsEmpty]: Start isEmpty. Operand 54294 states and 149110 transitions. [2022-01-18 11:50:15,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:50:15,383 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:50:15,383 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:50:15,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-01-18 11:50:15,383 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:50:15,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:50:15,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1743148038, now seen corresponding path program 129 times [2022-01-18 11:50:15,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:50:15,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4210383] [2022-01-18 11:50:15,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:50:15,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:50:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:50:15,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:50:15,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:50:15,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4210383] [2022-01-18 11:50:15,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4210383] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:50:15,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:50:15,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:50:15,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182186229] [2022-01-18 11:50:15,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:50:15,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:50:15,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:50:15,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:50:15,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:50:15,669 INFO L87 Difference]: Start difference. First operand 54294 states and 149110 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:18,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:50:18,082 INFO L93 Difference]: Finished difference Result 122715 states and 338353 transitions. [2022-01-18 11:50:18,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 11:50:18,083 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:50:18,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:50:18,314 INFO L225 Difference]: With dead ends: 122715 [2022-01-18 11:50:18,314 INFO L226 Difference]: Without dead ends: 122401 [2022-01-18 11:50:18,315 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=808, Invalid=2852, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 11:50:18,315 INFO L933 BasicCegarLoop]: 851 mSDtfsCounter, 2987 mSDsluCounter, 11309 mSDsCounter, 0 mSdLazyCounter, 2155 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2987 SdHoareTripleChecker+Valid, 12091 SdHoareTripleChecker+Invalid, 2199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:50:18,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2987 Valid, 12091 Invalid, 2199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 2155 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-18 11:50:18,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122401 states. [2022-01-18 11:50:19,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122401 to 54138. [2022-01-18 11:50:19,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54138 states, 54137 states have (on average 2.746384173485786) internal successors, (148681), 54137 states have internal predecessors, (148681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:19,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54138 states to 54138 states and 148681 transitions. [2022-01-18 11:50:19,812 INFO L78 Accepts]: Start accepts. Automaton has 54138 states and 148681 transitions. Word has length 163 [2022-01-18 11:50:19,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:50:19,813 INFO L470 AbstractCegarLoop]: Abstraction has 54138 states and 148681 transitions. [2022-01-18 11:50:19,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:19,813 INFO L276 IsEmpty]: Start isEmpty. Operand 54138 states and 148681 transitions. [2022-01-18 11:50:19,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:50:19,858 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:50:19,858 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:50:19,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-01-18 11:50:19,858 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:50:19,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:50:19,858 INFO L85 PathProgramCache]: Analyzing trace with hash -755645286, now seen corresponding path program 130 times [2022-01-18 11:50:19,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:50:19,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750823432] [2022-01-18 11:50:19,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:50:19,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:50:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:50:19,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:50:19,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:50:19,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750823432] [2022-01-18 11:50:19,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750823432] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:50:19,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:50:19,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:50:19,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770966224] [2022-01-18 11:50:19,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:50:19,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:50:19,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:50:19,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:50:19,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:50:19,996 INFO L87 Difference]: Start difference. First operand 54138 states and 148681 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:22,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:50:22,016 INFO L93 Difference]: Finished difference Result 125204 states and 345214 transitions. [2022-01-18 11:50:22,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 11:50:22,017 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:50:22,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:50:22,251 INFO L225 Difference]: With dead ends: 125204 [2022-01-18 11:50:22,251 INFO L226 Difference]: Without dead ends: 124990 [2022-01-18 11:50:22,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 987 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=829, Invalid=2831, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 11:50:22,251 INFO L933 BasicCegarLoop]: 848 mSDtfsCounter, 3332 mSDsluCounter, 10068 mSDsCounter, 0 mSdLazyCounter, 2009 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3332 SdHoareTripleChecker+Valid, 10856 SdHoareTripleChecker+Invalid, 2048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 2009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:50:22,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3332 Valid, 10856 Invalid, 2048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 2009 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:50:22,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124990 states. [2022-01-18 11:50:23,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124990 to 54086. [2022-01-18 11:50:23,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54086 states, 54085 states have (on average 2.746380697050938) internal successors, (148538), 54085 states have internal predecessors, (148538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:23,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54086 states to 54086 states and 148538 transitions. [2022-01-18 11:50:23,759 INFO L78 Accepts]: Start accepts. Automaton has 54086 states and 148538 transitions. Word has length 163 [2022-01-18 11:50:23,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:50:23,759 INFO L470 AbstractCegarLoop]: Abstraction has 54086 states and 148538 transitions. [2022-01-18 11:50:23,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:23,759 INFO L276 IsEmpty]: Start isEmpty. Operand 54086 states and 148538 transitions. [2022-01-18 11:50:23,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:50:23,805 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:50:23,805 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:50:23,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-01-18 11:50:23,805 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:50:23,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:50:23,806 INFO L85 PathProgramCache]: Analyzing trace with hash -317990756, now seen corresponding path program 131 times [2022-01-18 11:50:23,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:50:23,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407089664] [2022-01-18 11:50:23,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:50:23,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:50:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:50:24,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:50:24,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:50:24,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407089664] [2022-01-18 11:50:24,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407089664] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:50:24,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:50:24,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:50:24,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077153790] [2022-01-18 11:50:24,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:50:24,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:50:24,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:50:24,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:50:24,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:50:24,004 INFO L87 Difference]: Start difference. First operand 54086 states and 148538 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:26,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:50:26,377 INFO L93 Difference]: Finished difference Result 130042 states and 358557 transitions. [2022-01-18 11:50:26,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 11:50:26,378 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:50:26,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:50:26,622 INFO L225 Difference]: With dead ends: 130042 [2022-01-18 11:50:26,622 INFO L226 Difference]: Without dead ends: 129152 [2022-01-18 11:50:26,622 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1024 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=855, Invalid=2927, Unknown=0, NotChecked=0, Total=3782 [2022-01-18 11:50:26,623 INFO L933 BasicCegarLoop]: 868 mSDtfsCounter, 3507 mSDsluCounter, 10382 mSDsCounter, 0 mSdLazyCounter, 2046 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3507 SdHoareTripleChecker+Valid, 11185 SdHoareTripleChecker+Invalid, 2086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 2046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 11:50:26,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3507 Valid, 11185 Invalid, 2086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 2046 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-18 11:50:26,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129152 states. [2022-01-18 11:50:28,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129152 to 53410. [2022-01-18 11:50:28,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53410 states, 53409 states have (on average 2.7463348873785316) internal successors, (146679), 53409 states have internal predecessors, (146679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:28,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53410 states to 53410 states and 146679 transitions. [2022-01-18 11:50:28,176 INFO L78 Accepts]: Start accepts. Automaton has 53410 states and 146679 transitions. Word has length 163 [2022-01-18 11:50:28,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:50:28,176 INFO L470 AbstractCegarLoop]: Abstraction has 53410 states and 146679 transitions. [2022-01-18 11:50:28,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:28,176 INFO L276 IsEmpty]: Start isEmpty. Operand 53410 states and 146679 transitions. [2022-01-18 11:50:28,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:50:28,220 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:50:28,221 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:50:28,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-01-18 11:50:28,221 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:50:28,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:50:28,221 INFO L85 PathProgramCache]: Analyzing trace with hash -193563010, now seen corresponding path program 132 times [2022-01-18 11:50:28,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:50:28,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610955792] [2022-01-18 11:50:28,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:50:28,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:50:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:50:28,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:50:28,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:50:28,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610955792] [2022-01-18 11:50:28,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610955792] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:50:28,416 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:50:28,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:50:28,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310399571] [2022-01-18 11:50:28,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:50:28,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:50:28,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:50:28,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:50:28,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:50:28,417 INFO L87 Difference]: Start difference. First operand 53410 states and 146679 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:30,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:50:30,595 INFO L93 Difference]: Finished difference Result 130874 states and 360879 transitions. [2022-01-18 11:50:30,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 11:50:30,595 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:50:30,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:50:30,858 INFO L225 Difference]: With dead ends: 130874 [2022-01-18 11:50:30,858 INFO L226 Difference]: Without dead ends: 130604 [2022-01-18 11:50:30,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=820, Invalid=2840, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 11:50:30,859 INFO L933 BasicCegarLoop]: 850 mSDtfsCounter, 3160 mSDsluCounter, 10192 mSDsCounter, 0 mSdLazyCounter, 2021 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3160 SdHoareTripleChecker+Valid, 10977 SdHoareTripleChecker+Invalid, 2061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 2021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:50:30,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3160 Valid, 10977 Invalid, 2061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 2021 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:50:31,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130604 states. [2022-01-18 11:50:32,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130604 to 53358. [2022-01-18 11:50:32,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53358 states, 53357 states have (on average 2.746331315478756) internal successors, (146536), 53357 states have internal predecessors, (146536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:32,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53358 states to 53358 states and 146536 transitions. [2022-01-18 11:50:32,526 INFO L78 Accepts]: Start accepts. Automaton has 53358 states and 146536 transitions. Word has length 163 [2022-01-18 11:50:32,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:50:32,526 INFO L470 AbstractCegarLoop]: Abstraction has 53358 states and 146536 transitions. [2022-01-18 11:50:32,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:32,526 INFO L276 IsEmpty]: Start isEmpty. Operand 53358 states and 146536 transitions. [2022-01-18 11:50:32,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:50:32,573 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:50:32,573 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:50:32,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-01-18 11:50:32,587 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:50:32,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:50:32,587 INFO L85 PathProgramCache]: Analyzing trace with hash -538128998, now seen corresponding path program 133 times [2022-01-18 11:50:32,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:50:32,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814837908] [2022-01-18 11:50:32,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:50:32,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:50:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:50:32,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:50:32,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:50:32,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814837908] [2022-01-18 11:50:32,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814837908] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:50:32,805 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:50:32,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:50:32,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61893377] [2022-01-18 11:50:32,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:50:32,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:50:32,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:50:32,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:50:32,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:50:32,806 INFO L87 Difference]: Start difference. First operand 53358 states and 146536 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:35,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:50:35,161 INFO L93 Difference]: Finished difference Result 115770 states and 319334 transitions. [2022-01-18 11:50:35,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:50:35,161 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:50:35,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:50:35,382 INFO L225 Difference]: With dead ends: 115770 [2022-01-18 11:50:35,383 INFO L226 Difference]: Without dead ends: 115384 [2022-01-18 11:50:35,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 854 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=763, Invalid=2659, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:50:35,383 INFO L933 BasicCegarLoop]: 836 mSDtfsCounter, 2563 mSDsluCounter, 11140 mSDsCounter, 0 mSdLazyCounter, 1998 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2563 SdHoareTripleChecker+Valid, 11902 SdHoareTripleChecker+Invalid, 2038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:50:35,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2563 Valid, 11902 Invalid, 2038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1998 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:50:35,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115384 states. [2022-01-18 11:50:36,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115384 to 53190. [2022-01-18 11:50:36,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53190 states, 53189 states have (on average 2.7472973735170805) internal successors, (146126), 53189 states have internal predecessors, (146126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:36,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53190 states to 53190 states and 146126 transitions. [2022-01-18 11:50:36,859 INFO L78 Accepts]: Start accepts. Automaton has 53190 states and 146126 transitions. Word has length 163 [2022-01-18 11:50:36,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:50:36,860 INFO L470 AbstractCegarLoop]: Abstraction has 53190 states and 146126 transitions. [2022-01-18 11:50:36,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:36,860 INFO L276 IsEmpty]: Start isEmpty. Operand 53190 states and 146126 transitions. [2022-01-18 11:50:36,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:50:36,906 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:50:36,906 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:50:36,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-01-18 11:50:36,907 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:50:36,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:50:36,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1438070592, now seen corresponding path program 134 times [2022-01-18 11:50:36,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:50:36,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608016407] [2022-01-18 11:50:36,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:50:36,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:50:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:50:37,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:50:37,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:50:37,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608016407] [2022-01-18 11:50:37,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608016407] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:50:37,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:50:37,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:50:37,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976226567] [2022-01-18 11:50:37,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:50:37,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:50:37,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:50:37,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:50:37,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:50:37,103 INFO L87 Difference]: Start difference. First operand 53190 states and 146126 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:39,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:50:39,515 INFO L93 Difference]: Finished difference Result 141831 states and 390931 transitions. [2022-01-18 11:50:39,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 11:50:39,515 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:50:39,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:50:39,797 INFO L225 Difference]: With dead ends: 141831 [2022-01-18 11:50:39,797 INFO L226 Difference]: Without dead ends: 141477 [2022-01-18 11:50:39,797 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1097 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=851, Invalid=3055, Unknown=0, NotChecked=0, Total=3906 [2022-01-18 11:50:39,798 INFO L933 BasicCegarLoop]: 852 mSDtfsCounter, 3782 mSDsluCounter, 9963 mSDsCounter, 0 mSdLazyCounter, 2086 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3782 SdHoareTripleChecker+Valid, 10754 SdHoareTripleChecker+Invalid, 2124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 11:50:39,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3782 Valid, 10754 Invalid, 2124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2086 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-18 11:50:40,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141477 states. [2022-01-18 11:50:41,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141477 to 54130. [2022-01-18 11:50:41,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54130 states, 54129 states have (on average 2.7463836390844096) internal successors, (148659), 54129 states have internal predecessors, (148659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:41,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54130 states to 54130 states and 148659 transitions. [2022-01-18 11:50:41,746 INFO L78 Accepts]: Start accepts. Automaton has 54130 states and 148659 transitions. Word has length 163 [2022-01-18 11:50:41,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:50:41,746 INFO L470 AbstractCegarLoop]: Abstraction has 54130 states and 148659 transitions. [2022-01-18 11:50:41,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:41,746 INFO L276 IsEmpty]: Start isEmpty. Operand 54130 states and 148659 transitions. [2022-01-18 11:50:41,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:50:41,793 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:50:41,793 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:50:41,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-01-18 11:50:41,793 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:50:41,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:50:41,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1924726050, now seen corresponding path program 135 times [2022-01-18 11:50:41,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:50:41,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075803114] [2022-01-18 11:50:41,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:50:41,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:50:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:50:41,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:50:41,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:50:41,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075803114] [2022-01-18 11:50:41,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075803114] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:50:41,999 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:50:41,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:50:41,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882662737] [2022-01-18 11:50:41,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:50:41,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:50:41,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:50:42,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:50:42,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:50:42,000 INFO L87 Difference]: Start difference. First operand 54130 states and 148659 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:45,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:50:45,208 INFO L93 Difference]: Finished difference Result 141590 states and 390372 transitions. [2022-01-18 11:50:45,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-18 11:50:45,208 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:50:45,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:50:45,479 INFO L225 Difference]: With dead ends: 141590 [2022-01-18 11:50:45,479 INFO L226 Difference]: Without dead ends: 140436 [2022-01-18 11:50:45,480 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1368 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1055, Invalid=3775, Unknown=0, NotChecked=0, Total=4830 [2022-01-18 11:50:45,480 INFO L933 BasicCegarLoop]: 840 mSDtfsCounter, 3745 mSDsluCounter, 11241 mSDsCounter, 0 mSdLazyCounter, 2362 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3745 SdHoareTripleChecker+Valid, 12008 SdHoareTripleChecker+Invalid, 2435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 2362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:50:45,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3745 Valid, 12008 Invalid, 2435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 2362 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-18 11:50:45,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140436 states. [2022-01-18 11:50:46,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140436 to 53194. [2022-01-18 11:50:47,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53194 states, 53193 states have (on average 2.7472223788844397) internal successors, (146133), 53193 states have internal predecessors, (146133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:47,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53194 states to 53194 states and 146133 transitions. [2022-01-18 11:50:47,118 INFO L78 Accepts]: Start accepts. Automaton has 53194 states and 146133 transitions. Word has length 163 [2022-01-18 11:50:47,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:50:47,118 INFO L470 AbstractCegarLoop]: Abstraction has 53194 states and 146133 transitions. [2022-01-18 11:50:47,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:47,118 INFO L276 IsEmpty]: Start isEmpty. Operand 53194 states and 146133 transitions. [2022-01-18 11:50:47,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:50:47,162 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:50:47,163 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:50:47,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-01-18 11:50:47,163 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:50:47,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:50:47,163 INFO L85 PathProgramCache]: Analyzing trace with hash -154084562, now seen corresponding path program 136 times [2022-01-18 11:50:47,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:50:47,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178459448] [2022-01-18 11:50:47,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:50:47,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:50:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:50:47,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:50:47,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:50:47,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178459448] [2022-01-18 11:50:47,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178459448] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:50:47,394 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:50:47,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:50:47,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80930403] [2022-01-18 11:50:47,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:50:47,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:50:47,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:50:47,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:50:47,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:50:47,653 INFO L87 Difference]: Start difference. First operand 53194 states and 146133 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:49,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:50:49,597 INFO L93 Difference]: Finished difference Result 137327 states and 378559 transitions. [2022-01-18 11:50:49,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 11:50:49,598 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:50:49,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:50:49,864 INFO L225 Difference]: With dead ends: 137327 [2022-01-18 11:50:49,864 INFO L226 Difference]: Without dead ends: 136973 [2022-01-18 11:50:49,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1118 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=839, Invalid=3067, Unknown=0, NotChecked=0, Total=3906 [2022-01-18 11:50:49,865 INFO L933 BasicCegarLoop]: 880 mSDtfsCounter, 3315 mSDsluCounter, 11429 mSDsCounter, 0 mSdLazyCounter, 2330 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3315 SdHoareTripleChecker+Valid, 12239 SdHoareTripleChecker+Invalid, 2366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:50:49,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3315 Valid, 12239 Invalid, 2366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2330 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:50:50,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136973 states. [2022-01-18 11:50:51,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136973 to 54130. [2022-01-18 11:50:51,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54130 states, 54129 states have (on average 2.74630974154335) internal successors, (148655), 54129 states have internal predecessors, (148655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:51,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54130 states to 54130 states and 148655 transitions. [2022-01-18 11:50:51,492 INFO L78 Accepts]: Start accepts. Automaton has 54130 states and 148655 transitions. Word has length 163 [2022-01-18 11:50:51,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:50:51,492 INFO L470 AbstractCegarLoop]: Abstraction has 54130 states and 148655 transitions. [2022-01-18 11:50:51,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:51,492 INFO L276 IsEmpty]: Start isEmpty. Operand 54130 states and 148655 transitions. [2022-01-18 11:50:51,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:50:51,831 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:50:51,831 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:50:51,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-01-18 11:50:51,831 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:50:51,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:50:51,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1086255216, now seen corresponding path program 137 times [2022-01-18 11:50:51,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:50:51,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20174632] [2022-01-18 11:50:51,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:50:51,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:50:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:50:52,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:50:52,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:50:52,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20174632] [2022-01-18 11:50:52,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20174632] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:50:52,071 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:50:52,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:50:52,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090093503] [2022-01-18 11:50:52,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:50:52,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:50:52,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:50:52,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:50:52,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:50:52,071 INFO L87 Difference]: Start difference. First operand 54130 states and 148655 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:54,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:50:54,015 INFO L93 Difference]: Finished difference Result 137435 states and 378860 transitions. [2022-01-18 11:50:54,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 11:50:54,016 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:50:54,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:50:54,299 INFO L225 Difference]: With dead ends: 137435 [2022-01-18 11:50:54,300 INFO L226 Difference]: Without dead ends: 137121 [2022-01-18 11:50:54,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1049 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=817, Invalid=2965, Unknown=0, NotChecked=0, Total=3782 [2022-01-18 11:50:54,300 INFO L933 BasicCegarLoop]: 859 mSDtfsCounter, 3239 mSDsluCounter, 10452 mSDsCounter, 0 mSdLazyCounter, 2168 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3239 SdHoareTripleChecker+Valid, 11249 SdHoareTripleChecker+Invalid, 2205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:50:54,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3239 Valid, 11249 Invalid, 2205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2168 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:50:54,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137121 states. [2022-01-18 11:50:55,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137121 to 53974. [2022-01-18 11:50:55,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53974 states, 53973 states have (on average 2.7462990754636576) internal successors, (148226), 53973 states have internal predecessors, (148226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:56,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53974 states to 53974 states and 148226 transitions. [2022-01-18 11:50:56,382 INFO L78 Accepts]: Start accepts. Automaton has 53974 states and 148226 transitions. Word has length 163 [2022-01-18 11:50:56,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:50:56,382 INFO L470 AbstractCegarLoop]: Abstraction has 53974 states and 148226 transitions. [2022-01-18 11:50:56,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:56,382 INFO L276 IsEmpty]: Start isEmpty. Operand 53974 states and 148226 transitions. [2022-01-18 11:50:56,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:50:56,424 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:50:56,424 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:50:56,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-01-18 11:50:56,424 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:50:56,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:50:56,425 INFO L85 PathProgramCache]: Analyzing trace with hash 709918756, now seen corresponding path program 138 times [2022-01-18 11:50:56,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:50:56,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320545462] [2022-01-18 11:50:56,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:50:56,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:50:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:50:56,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:50:56,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:50:56,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320545462] [2022-01-18 11:50:56,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320545462] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:50:56,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:50:56,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:50:56,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276728960] [2022-01-18 11:50:56,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:50:56,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:50:56,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:50:56,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:50:56,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:50:56,640 INFO L87 Difference]: Start difference. First operand 53974 states and 148226 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:50:58,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:50:58,609 INFO L93 Difference]: Finished difference Result 139924 states and 385721 transitions. [2022-01-18 11:50:58,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 11:50:58,619 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:50:58,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:50:58,879 INFO L225 Difference]: With dead ends: 139924 [2022-01-18 11:50:58,879 INFO L226 Difference]: Without dead ends: 139710 [2022-01-18 11:50:58,880 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1059 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=837, Invalid=2945, Unknown=0, NotChecked=0, Total=3782 [2022-01-18 11:50:58,880 INFO L933 BasicCegarLoop]: 856 mSDtfsCounter, 3391 mSDsluCounter, 11137 mSDsCounter, 0 mSdLazyCounter, 2199 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3391 SdHoareTripleChecker+Valid, 11924 SdHoareTripleChecker+Invalid, 2235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:50:58,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3391 Valid, 11924 Invalid, 2235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2199 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:50:59,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139710 states. [2022-01-18 11:51:00,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139710 to 53922. [2022-01-18 11:51:00,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53922 states, 53921 states have (on average 2.7462955063889765) internal successors, (148083), 53921 states have internal predecessors, (148083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:00,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53922 states to 53922 states and 148083 transitions. [2022-01-18 11:51:00,733 INFO L78 Accepts]: Start accepts. Automaton has 53922 states and 148083 transitions. Word has length 163 [2022-01-18 11:51:00,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:51:00,734 INFO L470 AbstractCegarLoop]: Abstraction has 53922 states and 148083 transitions. [2022-01-18 11:51:00,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:00,734 INFO L276 IsEmpty]: Start isEmpty. Operand 53922 states and 148083 transitions. [2022-01-18 11:51:00,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:51:00,781 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:51:00,782 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:51:00,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-01-18 11:51:00,782 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:51:00,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:51:00,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1147573286, now seen corresponding path program 139 times [2022-01-18 11:51:00,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:51:00,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097274941] [2022-01-18 11:51:00,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:51:00,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:51:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:51:00,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:51:00,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:51:00,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097274941] [2022-01-18 11:51:00,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097274941] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:51:00,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:51:00,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:51:00,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871061694] [2022-01-18 11:51:00,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:51:00,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:51:00,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:51:00,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:51:00,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:51:00,985 INFO L87 Difference]: Start difference. First operand 53922 states and 148083 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:03,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:51:03,241 INFO L93 Difference]: Finished difference Result 133850 states and 369081 transitions. [2022-01-18 11:51:03,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 11:51:03,241 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:51:03,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:51:03,773 INFO L225 Difference]: With dead ends: 133850 [2022-01-18 11:51:03,773 INFO L226 Difference]: Without dead ends: 132960 [2022-01-18 11:51:03,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 998 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=804, Invalid=2856, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 11:51:03,773 INFO L933 BasicCegarLoop]: 875 mSDtfsCounter, 3227 mSDsluCounter, 10996 mSDsCounter, 0 mSdLazyCounter, 2199 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3227 SdHoareTripleChecker+Valid, 11800 SdHoareTripleChecker+Invalid, 2235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:51:03,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3227 Valid, 11800 Invalid, 2235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2199 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:51:03,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132960 states. [2022-01-18 11:51:04,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132960 to 53246. [2022-01-18 11:51:04,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53246 states, 53245 states have (on average 2.7462484740351205) internal successors, (146224), 53245 states have internal predecessors, (146224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:05,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53246 states to 53246 states and 146224 transitions. [2022-01-18 11:51:05,311 INFO L78 Accepts]: Start accepts. Automaton has 53246 states and 146224 transitions. Word has length 163 [2022-01-18 11:51:05,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:51:05,311 INFO L470 AbstractCegarLoop]: Abstraction has 53246 states and 146224 transitions. [2022-01-18 11:51:05,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:05,311 INFO L276 IsEmpty]: Start isEmpty. Operand 53246 states and 146224 transitions. [2022-01-18 11:51:05,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:51:05,356 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:51:05,356 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:51:05,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-01-18 11:51:05,356 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:51:05,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:51:05,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1358133872, now seen corresponding path program 140 times [2022-01-18 11:51:05,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:51:05,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236728414] [2022-01-18 11:51:05,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:51:05,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:51:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:51:05,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:51:05,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:51:05,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236728414] [2022-01-18 11:51:05,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236728414] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:51:05,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:51:05,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:51:05,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813519106] [2022-01-18 11:51:05,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:51:05,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:51:05,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:51:05,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:51:05,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:51:05,547 INFO L87 Difference]: Start difference. First operand 53246 states and 146224 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:07,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:51:07,378 INFO L93 Difference]: Finished difference Result 120703 states and 332704 transitions. [2022-01-18 11:51:07,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 11:51:07,378 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:51:07,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:51:07,610 INFO L225 Difference]: With dead ends: 120703 [2022-01-18 11:51:07,610 INFO L226 Difference]: Without dead ends: 120333 [2022-01-18 11:51:07,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 734 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=647, Invalid=2323, Unknown=0, NotChecked=0, Total=2970 [2022-01-18 11:51:07,611 INFO L933 BasicCegarLoop]: 808 mSDtfsCounter, 3268 mSDsluCounter, 9805 mSDsCounter, 0 mSdLazyCounter, 2011 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3268 SdHoareTripleChecker+Valid, 10547 SdHoareTripleChecker+Invalid, 2050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 2011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:51:07,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3268 Valid, 10547 Invalid, 2050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 2011 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:51:08,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120333 states. [2022-01-18 11:51:09,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120333 to 53262. [2022-01-18 11:51:09,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53262 states, 53261 states have (on average 2.746174499164492) internal successors, (146264), 53261 states have internal predecessors, (146264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:09,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53262 states to 53262 states and 146264 transitions. [2022-01-18 11:51:09,191 INFO L78 Accepts]: Start accepts. Automaton has 53262 states and 146264 transitions. Word has length 163 [2022-01-18 11:51:09,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:51:09,191 INFO L470 AbstractCegarLoop]: Abstraction has 53262 states and 146264 transitions. [2022-01-18 11:51:09,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:09,191 INFO L276 IsEmpty]: Start isEmpty. Operand 53262 states and 146264 transitions. [2022-01-18 11:51:09,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:51:09,548 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:51:09,548 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:51:09,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-01-18 11:51:09,548 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:51:09,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:51:09,549 INFO L85 PathProgramCache]: Analyzing trace with hash 2032029524, now seen corresponding path program 141 times [2022-01-18 11:51:09,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:51:09,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706327413] [2022-01-18 11:51:09,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:51:09,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:51:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:51:09,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:51:09,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:51:09,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706327413] [2022-01-18 11:51:09,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706327413] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:51:09,710 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:51:09,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:51:09,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910747215] [2022-01-18 11:51:09,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:51:09,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:51:09,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:51:09,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:51:09,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:51:09,711 INFO L87 Difference]: Start difference. First operand 53262 states and 146264 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:11,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:51:11,474 INFO L93 Difference]: Finished difference Result 121852 states and 335732 transitions. [2022-01-18 11:51:11,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:51:11,474 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:51:11,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:51:11,716 INFO L225 Difference]: With dead ends: 121852 [2022-01-18 11:51:11,716 INFO L226 Difference]: Without dead ends: 121498 [2022-01-18 11:51:11,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 893 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=715, Invalid=2707, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:51:11,717 INFO L933 BasicCegarLoop]: 814 mSDtfsCounter, 3352 mSDsluCounter, 9963 mSDsCounter, 0 mSdLazyCounter, 2045 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3352 SdHoareTripleChecker+Valid, 10714 SdHoareTripleChecker+Invalid, 2087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:51:11,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3352 Valid, 10714 Invalid, 2087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 2045 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:51:11,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121498 states. [2022-01-18 11:51:13,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121498 to 53418. [2022-01-18 11:51:13,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53418 states, 53417 states have (on average 2.745212198363817) internal successors, (146641), 53417 states have internal predecessors, (146641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:13,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53418 states to 53418 states and 146641 transitions. [2022-01-18 11:51:13,268 INFO L78 Accepts]: Start accepts. Automaton has 53418 states and 146641 transitions. Word has length 163 [2022-01-18 11:51:13,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:51:13,268 INFO L470 AbstractCegarLoop]: Abstraction has 53418 states and 146641 transitions. [2022-01-18 11:51:13,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:13,268 INFO L276 IsEmpty]: Start isEmpty. Operand 53418 states and 146641 transitions. [2022-01-18 11:51:13,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:51:13,313 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:51:13,313 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:51:13,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-01-18 11:51:13,314 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:51:13,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:51:13,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1099858870, now seen corresponding path program 142 times [2022-01-18 11:51:13,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:51:13,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991057949] [2022-01-18 11:51:13,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:51:13,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:51:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:51:13,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:51:13,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:51:13,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991057949] [2022-01-18 11:51:13,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991057949] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:51:13,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:51:13,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:51:13,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141743953] [2022-01-18 11:51:13,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:51:13,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:51:13,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:51:13,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:51:13,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:51:13,474 INFO L87 Difference]: Start difference. First operand 53418 states and 146641 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:15,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:51:15,629 INFO L93 Difference]: Finished difference Result 120951 states and 333450 transitions. [2022-01-18 11:51:15,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-18 11:51:15,629 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:51:15,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:51:15,853 INFO L225 Difference]: With dead ends: 120951 [2022-01-18 11:51:15,853 INFO L226 Difference]: Without dead ends: 120625 [2022-01-18 11:51:15,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 748 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=654, Invalid=2426, Unknown=0, NotChecked=0, Total=3080 [2022-01-18 11:51:15,853 INFO L933 BasicCegarLoop]: 792 mSDtfsCounter, 2655 mSDsluCounter, 10320 mSDsCounter, 0 mSdLazyCounter, 2128 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2655 SdHoareTripleChecker+Valid, 11045 SdHoareTripleChecker+Invalid, 2167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 2128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 11:51:15,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2655 Valid, 11045 Invalid, 2167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 2128 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-18 11:51:16,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120625 states. [2022-01-18 11:51:17,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120625 to 53250. [2022-01-18 11:51:17,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53250 states, 53249 states have (on average 2.746173637063607) internal successors, (146231), 53249 states have internal predecessors, (146231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:17,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53250 states to 53250 states and 146231 transitions. [2022-01-18 11:51:17,529 INFO L78 Accepts]: Start accepts. Automaton has 53250 states and 146231 transitions. Word has length 163 [2022-01-18 11:51:17,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:51:17,529 INFO L470 AbstractCegarLoop]: Abstraction has 53250 states and 146231 transitions. [2022-01-18 11:51:17,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:17,529 INFO L276 IsEmpty]: Start isEmpty. Operand 53250 states and 146231 transitions. [2022-01-18 11:51:17,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:51:17,578 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:51:17,579 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:51:17,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-01-18 11:51:17,579 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:51:17,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:51:17,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1266718044, now seen corresponding path program 143 times [2022-01-18 11:51:17,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:51:17,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476912456] [2022-01-18 11:51:17,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:51:17,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:51:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:51:17,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:51:17,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:51:17,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476912456] [2022-01-18 11:51:17,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476912456] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:51:17,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:51:17,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:51:17,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067831986] [2022-01-18 11:51:17,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:51:17,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:51:17,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:51:17,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:51:17,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:51:17,796 INFO L87 Difference]: Start difference. First operand 53250 states and 146231 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:20,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:51:20,185 INFO L93 Difference]: Finished difference Result 126504 states and 348737 transitions. [2022-01-18 11:51:20,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 11:51:20,186 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:51:20,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:51:20,424 INFO L225 Difference]: With dead ends: 126504 [2022-01-18 11:51:20,424 INFO L226 Difference]: Without dead ends: 126150 [2022-01-18 11:51:20,425 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 999 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=779, Invalid=2881, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 11:51:20,425 INFO L933 BasicCegarLoop]: 843 mSDtfsCounter, 3282 mSDsluCounter, 10851 mSDsCounter, 0 mSdLazyCounter, 2144 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3282 SdHoareTripleChecker+Valid, 11619 SdHoareTripleChecker+Invalid, 2184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 2144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:51:20,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3282 Valid, 11619 Invalid, 2184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 2144 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:51:20,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126150 states. [2022-01-18 11:51:21,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126150 to 53458. [2022-01-18 11:51:21,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53458 states, 53457 states have (on average 2.7452157809080195) internal successors, (146751), 53457 states have internal predecessors, (146751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:21,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53458 states to 53458 states and 146751 transitions. [2022-01-18 11:51:21,996 INFO L78 Accepts]: Start accepts. Automaton has 53458 states and 146751 transitions. Word has length 163 [2022-01-18 11:51:21,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:51:21,996 INFO L470 AbstractCegarLoop]: Abstraction has 53458 states and 146751 transitions. [2022-01-18 11:51:21,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:21,996 INFO L276 IsEmpty]: Start isEmpty. Operand 53458 states and 146751 transitions. [2022-01-18 11:51:22,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:51:22,057 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:51:22,057 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:51:22,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-01-18 11:51:22,057 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:51:22,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:51:22,058 INFO L85 PathProgramCache]: Analyzing trace with hash 2096078598, now seen corresponding path program 144 times [2022-01-18 11:51:22,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:51:22,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146548967] [2022-01-18 11:51:22,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:51:22,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:51:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:51:22,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:51:22,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:51:22,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146548967] [2022-01-18 11:51:22,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146548967] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:51:22,275 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:51:22,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:51:22,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308796191] [2022-01-18 11:51:22,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:51:22,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:51:22,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:51:22,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:51:22,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:51:22,276 INFO L87 Difference]: Start difference. First operand 53458 states and 146751 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:24,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:51:24,369 INFO L93 Difference]: Finished difference Result 126204 states and 348040 transitions. [2022-01-18 11:51:24,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:51:24,369 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:51:24,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:51:24,612 INFO L225 Difference]: With dead ends: 126204 [2022-01-18 11:51:24,612 INFO L226 Difference]: Without dead ends: 125890 [2022-01-18 11:51:24,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 933 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=758, Invalid=2782, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 11:51:24,614 INFO L933 BasicCegarLoop]: 818 mSDtfsCounter, 3213 mSDsluCounter, 10053 mSDsCounter, 0 mSdLazyCounter, 2075 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3213 SdHoareTripleChecker+Valid, 10806 SdHoareTripleChecker+Invalid, 2120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 2075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:51:24,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3213 Valid, 10806 Invalid, 2120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 2075 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:51:24,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125890 states. [2022-01-18 11:51:25,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125890 to 53302. [2022-01-18 11:51:26,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53302 states, 53301 states have (on average 2.745201778578263) internal successors, (146322), 53301 states have internal predecessors, (146322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:26,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53302 states to 53302 states and 146322 transitions. [2022-01-18 11:51:26,130 INFO L78 Accepts]: Start accepts. Automaton has 53302 states and 146322 transitions. Word has length 163 [2022-01-18 11:51:26,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:51:26,130 INFO L470 AbstractCegarLoop]: Abstraction has 53302 states and 146322 transitions. [2022-01-18 11:51:26,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:26,130 INFO L276 IsEmpty]: Start isEmpty. Operand 53302 states and 146322 transitions. [2022-01-18 11:51:26,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:51:26,175 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:51:26,175 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:51:26,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-01-18 11:51:26,176 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:51:26,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:51:26,176 INFO L85 PathProgramCache]: Analyzing trace with hash -402714726, now seen corresponding path program 145 times [2022-01-18 11:51:26,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:51:26,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650940310] [2022-01-18 11:51:26,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:51:26,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:51:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:51:26,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:51:26,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:51:26,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650940310] [2022-01-18 11:51:26,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650940310] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:51:26,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:51:26,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:51:26,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119076147] [2022-01-18 11:51:26,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:51:26,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:51:26,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:51:26,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:51:26,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:51:26,398 INFO L87 Difference]: Start difference. First operand 53302 states and 146322 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:29,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:51:29,483 INFO L93 Difference]: Finished difference Result 125267 states and 345531 transitions. [2022-01-18 11:51:29,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 11:51:29,483 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:51:29,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:51:29,721 INFO L225 Difference]: With dead ends: 125267 [2022-01-18 11:51:29,721 INFO L226 Difference]: Without dead ends: 124981 [2022-01-18 11:51:29,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 693 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=679, Invalid=2291, Unknown=0, NotChecked=0, Total=2970 [2022-01-18 11:51:29,722 INFO L933 BasicCegarLoop]: 773 mSDtfsCounter, 2931 mSDsluCounter, 10154 mSDsCounter, 0 mSdLazyCounter, 2060 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2931 SdHoareTripleChecker+Valid, 10849 SdHoareTripleChecker+Invalid, 2108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 2060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:51:29,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2931 Valid, 10849 Invalid, 2108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 2060 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:51:29,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124981 states. [2022-01-18 11:51:31,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124981 to 53178. [2022-01-18 11:51:31,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53178 states, 53177 states have (on average 2.747296763638415) internal successors, (146093), 53177 states have internal predecessors, (146093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:31,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53178 states to 53178 states and 146093 transitions. [2022-01-18 11:51:31,355 INFO L78 Accepts]: Start accepts. Automaton has 53178 states and 146093 transitions. Word has length 163 [2022-01-18 11:51:31,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:51:31,356 INFO L470 AbstractCegarLoop]: Abstraction has 53178 states and 146093 transitions. [2022-01-18 11:51:31,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:31,356 INFO L276 IsEmpty]: Start isEmpty. Operand 53178 states and 146093 transitions. [2022-01-18 11:51:31,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:51:31,405 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:51:31,405 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:51:31,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-01-18 11:51:31,405 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:51:31,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:51:31,406 INFO L85 PathProgramCache]: Analyzing trace with hash -930205148, now seen corresponding path program 146 times [2022-01-18 11:51:31,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:51:31,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490619643] [2022-01-18 11:51:31,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:51:31,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:51:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:51:31,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:51:31,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:51:31,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490619643] [2022-01-18 11:51:31,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490619643] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:51:31,689 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:51:31,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:51:31,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838190614] [2022-01-18 11:51:31,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:51:31,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:51:31,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:51:31,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:51:31,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:51:31,690 INFO L87 Difference]: Start difference. First operand 53178 states and 146093 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:34,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:51:34,328 INFO L93 Difference]: Finished difference Result 143427 states and 395324 transitions. [2022-01-18 11:51:34,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 11:51:34,328 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:51:34,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:51:34,592 INFO L225 Difference]: With dead ends: 143427 [2022-01-18 11:51:34,592 INFO L226 Difference]: Without dead ends: 143073 [2022-01-18 11:51:34,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1042 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=817, Invalid=2965, Unknown=0, NotChecked=0, Total=3782 [2022-01-18 11:51:34,593 INFO L933 BasicCegarLoop]: 880 mSDtfsCounter, 3476 mSDsluCounter, 11626 mSDsCounter, 0 mSdLazyCounter, 2320 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3476 SdHoareTripleChecker+Valid, 12433 SdHoareTripleChecker+Invalid, 2358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:51:34,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3476 Valid, 12433 Invalid, 2358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2320 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-18 11:51:34,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143073 states. [2022-01-18 11:51:36,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143073 to 54130. [2022-01-18 11:51:36,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54130 states, 54129 states have (on average 2.7463836390844096) internal successors, (148659), 54129 states have internal predecessors, (148659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:36,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54130 states to 54130 states and 148659 transitions. [2022-01-18 11:51:36,237 INFO L78 Accepts]: Start accepts. Automaton has 54130 states and 148659 transitions. Word has length 163 [2022-01-18 11:51:36,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:51:36,237 INFO L470 AbstractCegarLoop]: Abstraction has 54130 states and 148659 transitions. [2022-01-18 11:51:36,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:36,237 INFO L276 IsEmpty]: Start isEmpty. Operand 54130 states and 148659 transitions. [2022-01-18 11:51:36,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:51:36,283 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:51:36,284 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:51:36,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-01-18 11:51:36,284 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:51:36,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:51:36,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1862375802, now seen corresponding path program 147 times [2022-01-18 11:51:36,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:51:36,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271703831] [2022-01-18 11:51:36,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:51:36,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:51:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:51:36,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:51:36,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:51:36,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271703831] [2022-01-18 11:51:36,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271703831] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:51:36,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:51:36,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:51:36,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132939707] [2022-01-18 11:51:36,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:51:36,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:51:36,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:51:36,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:51:36,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:51:36,437 INFO L87 Difference]: Start difference. First operand 54130 states and 148659 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:38,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:51:38,541 INFO L93 Difference]: Finished difference Result 143535 states and 395625 transitions. [2022-01-18 11:51:38,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 11:51:38,541 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:51:38,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:51:38,822 INFO L225 Difference]: With dead ends: 143535 [2022-01-18 11:51:38,822 INFO L226 Difference]: Without dead ends: 143221 [2022-01-18 11:51:38,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 974 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=792, Invalid=2868, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 11:51:38,823 INFO L933 BasicCegarLoop]: 859 mSDtfsCounter, 3378 mSDsluCounter, 10629 mSDsCounter, 0 mSdLazyCounter, 2149 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3378 SdHoareTripleChecker+Valid, 11424 SdHoareTripleChecker+Invalid, 2189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 2149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:51:38,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3378 Valid, 11424 Invalid, 2189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 2149 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:51:39,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143221 states. [2022-01-18 11:51:40,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143221 to 53974. [2022-01-18 11:51:40,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53974 states, 53973 states have (on average 2.7463731865932965) internal successors, (148230), 53973 states have internal predecessors, (148230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:40,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53974 states to 53974 states and 148230 transitions. [2022-01-18 11:51:40,536 INFO L78 Accepts]: Start accepts. Automaton has 53974 states and 148230 transitions. Word has length 163 [2022-01-18 11:51:40,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:51:40,536 INFO L470 AbstractCegarLoop]: Abstraction has 53974 states and 148230 transitions. [2022-01-18 11:51:40,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:40,536 INFO L276 IsEmpty]: Start isEmpty. Operand 53974 states and 148230 transitions. [2022-01-18 11:51:40,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:51:40,583 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:51:40,583 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:51:40,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-01-18 11:51:40,583 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:51:40,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:51:40,583 INFO L85 PathProgramCache]: Analyzing trace with hash -66201830, now seen corresponding path program 148 times [2022-01-18 11:51:40,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:51:40,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444521027] [2022-01-18 11:51:40,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:51:40,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:51:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:51:40,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:51:40,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:51:40,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444521027] [2022-01-18 11:51:40,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444521027] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:51:40,780 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:51:40,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:51:40,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019744373] [2022-01-18 11:51:40,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:51:40,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:51:40,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:51:40,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:51:40,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:51:40,781 INFO L87 Difference]: Start difference. First operand 53974 states and 148230 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:42,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:51:42,981 INFO L93 Difference]: Finished difference Result 146024 states and 402486 transitions. [2022-01-18 11:51:42,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 11:51:42,981 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:51:42,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:51:43,255 INFO L225 Difference]: With dead ends: 146024 [2022-01-18 11:51:43,256 INFO L226 Difference]: Without dead ends: 145810 [2022-01-18 11:51:43,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 989 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=813, Invalid=2847, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 11:51:43,256 INFO L933 BasicCegarLoop]: 856 mSDtfsCounter, 3345 mSDsluCounter, 11558 mSDsCounter, 0 mSdLazyCounter, 2290 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3345 SdHoareTripleChecker+Valid, 12342 SdHoareTripleChecker+Invalid, 2327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:51:43,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3345 Valid, 12342 Invalid, 2327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2290 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:51:43,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145810 states. [2022-01-18 11:51:44,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145810 to 53922. [2022-01-18 11:51:44,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53922 states, 53921 states have (on average 2.7463696889894473) internal successors, (148087), 53921 states have internal predecessors, (148087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:44,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53922 states to 53922 states and 148087 transitions. [2022-01-18 11:51:44,931 INFO L78 Accepts]: Start accepts. Automaton has 53922 states and 148087 transitions. Word has length 163 [2022-01-18 11:51:44,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:51:44,931 INFO L470 AbstractCegarLoop]: Abstraction has 53922 states and 148087 transitions. [2022-01-18 11:51:44,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:44,931 INFO L276 IsEmpty]: Start isEmpty. Operand 53922 states and 148087 transitions. [2022-01-18 11:51:44,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:51:44,976 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:51:44,977 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:51:44,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-01-18 11:51:44,977 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:51:44,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:51:44,977 INFO L85 PathProgramCache]: Analyzing trace with hash 371452700, now seen corresponding path program 149 times [2022-01-18 11:51:44,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:51:44,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943254708] [2022-01-18 11:51:44,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:51:44,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:51:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:51:45,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:51:45,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:51:45,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943254708] [2022-01-18 11:51:45,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943254708] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:51:45,443 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:51:45,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:51:45,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503179837] [2022-01-18 11:51:45,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:51:45,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:51:45,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:51:45,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:51:45,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:51:45,444 INFO L87 Difference]: Start difference. First operand 53922 states and 148087 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:47,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:51:47,634 INFO L93 Difference]: Finished difference Result 150862 states and 415829 transitions. [2022-01-18 11:51:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 11:51:47,639 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:51:47,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:51:47,919 INFO L225 Difference]: With dead ends: 150862 [2022-01-18 11:51:47,919 INFO L226 Difference]: Without dead ends: 149972 [2022-01-18 11:51:47,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1025 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=839, Invalid=2943, Unknown=0, NotChecked=0, Total=3782 [2022-01-18 11:51:47,920 INFO L933 BasicCegarLoop]: 875 mSDtfsCounter, 3312 mSDsluCounter, 11555 mSDsCounter, 0 mSdLazyCounter, 2321 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3312 SdHoareTripleChecker+Valid, 12355 SdHoareTripleChecker+Invalid, 2359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:51:47,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3312 Valid, 12355 Invalid, 2359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2321 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:51:48,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149972 states. [2022-01-18 11:51:49,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149972 to 53246. [2022-01-18 11:51:49,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53246 states, 53245 states have (on average 2.7463235984599494) internal successors, (146228), 53245 states have internal predecessors, (146228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:50,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53246 states to 53246 states and 146228 transitions. [2022-01-18 11:51:50,022 INFO L78 Accepts]: Start accepts. Automaton has 53246 states and 146228 transitions. Word has length 163 [2022-01-18 11:51:50,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:51:50,022 INFO L470 AbstractCegarLoop]: Abstraction has 53246 states and 146228 transitions. [2022-01-18 11:51:50,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:50,023 INFO L276 IsEmpty]: Start isEmpty. Operand 53246 states and 146228 transitions. [2022-01-18 11:51:50,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:51:50,068 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:51:50,068 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:51:50,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-01-18 11:51:50,068 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:51:50,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:51:50,069 INFO L85 PathProgramCache]: Analyzing trace with hash 495880446, now seen corresponding path program 150 times [2022-01-18 11:51:50,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:51:50,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422472191] [2022-01-18 11:51:50,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:51:50,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:51:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:51:50,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:51:50,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:51:50,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422472191] [2022-01-18 11:51:50,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422472191] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:51:50,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:51:50,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:51:50,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145893381] [2022-01-18 11:51:50,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:51:50,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:51:50,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:51:50,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:51:50,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:51:50,277 INFO L87 Difference]: Start difference. First operand 53246 states and 146228 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:52,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:51:52,281 INFO L93 Difference]: Finished difference Result 136814 states and 377222 transitions. [2022-01-18 11:51:52,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:51:52,282 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:51:52,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:51:52,563 INFO L225 Difference]: With dead ends: 136814 [2022-01-18 11:51:52,563 INFO L226 Difference]: Without dead ends: 136544 [2022-01-18 11:51:52,563 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 870 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=749, Invalid=2673, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 11:51:52,563 INFO L933 BasicCegarLoop]: 855 mSDtfsCounter, 2911 mSDsluCounter, 10676 mSDsCounter, 0 mSdLazyCounter, 2147 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2911 SdHoareTripleChecker+Valid, 11462 SdHoareTripleChecker+Invalid, 2184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:51:52,564 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2911 Valid, 11462 Invalid, 2184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2147 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:51:52,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136544 states. [2022-01-18 11:51:53,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136544 to 53194. [2022-01-18 11:51:54,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53194 states, 53193 states have (on average 2.7472223788844397) internal successors, (146133), 53193 states have internal predecessors, (146133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:54,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53194 states to 53194 states and 146133 transitions. [2022-01-18 11:51:54,169 INFO L78 Accepts]: Start accepts. Automaton has 53194 states and 146133 transitions. Word has length 163 [2022-01-18 11:51:54,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:51:54,169 INFO L470 AbstractCegarLoop]: Abstraction has 53194 states and 146133 transitions. [2022-01-18 11:51:54,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:54,169 INFO L276 IsEmpty]: Start isEmpty. Operand 53194 states and 146133 transitions. [2022-01-18 11:51:54,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:51:54,223 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:51:54,223 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:51:54,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-01-18 11:51:54,224 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:51:54,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:51:54,225 INFO L85 PathProgramCache]: Analyzing trace with hash 353780882, now seen corresponding path program 151 times [2022-01-18 11:51:54,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:51:54,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998582864] [2022-01-18 11:51:54,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:51:54,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:51:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:51:54,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:51:54,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:51:54,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998582864] [2022-01-18 11:51:54,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998582864] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:51:54,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:51:54,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:51:54,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112287871] [2022-01-18 11:51:54,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:51:54,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:51:54,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:51:54,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:51:54,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:51:54,430 INFO L87 Difference]: Start difference. First operand 53194 states and 146133 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:57,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:51:57,217 INFO L93 Difference]: Finished difference Result 158427 states and 436601 transitions. [2022-01-18 11:51:57,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 11:51:57,217 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:51:57,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:51:57,509 INFO L225 Difference]: With dead ends: 158427 [2022-01-18 11:51:57,509 INFO L226 Difference]: Without dead ends: 158073 [2022-01-18 11:51:57,509 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1172 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=863, Invalid=3169, Unknown=0, NotChecked=0, Total=4032 [2022-01-18 11:51:57,509 INFO L933 BasicCegarLoop]: 915 mSDtfsCounter, 3529 mSDsluCounter, 11964 mSDsCounter, 0 mSdLazyCounter, 2424 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3529 SdHoareTripleChecker+Valid, 12809 SdHoareTripleChecker+Invalid, 2460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:51:57,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3529 Valid, 12809 Invalid, 2460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2424 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:51:57,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158073 states. [2022-01-18 11:51:59,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158073 to 54130. [2022-01-18 11:51:59,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54130 states, 54129 states have (on average 2.74630974154335) internal successors, (148655), 54129 states have internal predecessors, (148655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:59,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54130 states to 54130 states and 148655 transitions. [2022-01-18 11:51:59,238 INFO L78 Accepts]: Start accepts. Automaton has 54130 states and 148655 transitions. Word has length 163 [2022-01-18 11:51:59,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:51:59,238 INFO L470 AbstractCegarLoop]: Abstraction has 54130 states and 148655 transitions. [2022-01-18 11:51:59,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:51:59,238 INFO L276 IsEmpty]: Start isEmpty. Operand 54130 states and 148655 transitions. [2022-01-18 11:51:59,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:51:59,283 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:51:59,283 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:51:59,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-01-18 11:51:59,283 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:51:59,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:51:59,284 INFO L85 PathProgramCache]: Analyzing trace with hash -578389772, now seen corresponding path program 152 times [2022-01-18 11:51:59,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:51:59,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511127338] [2022-01-18 11:51:59,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:51:59,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:51:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:51:59,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:51:59,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:51:59,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511127338] [2022-01-18 11:51:59,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511127338] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:51:59,510 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:51:59,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:51:59,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192078369] [2022-01-18 11:51:59,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:51:59,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:51:59,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:51:59,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:51:59,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:51:59,511 INFO L87 Difference]: Start difference. First operand 54130 states and 148655 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:02,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:52:02,295 INFO L93 Difference]: Finished difference Result 158535 states and 436902 transitions. [2022-01-18 11:52:02,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-18 11:52:02,295 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:52:02,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:52:02,595 INFO L225 Difference]: With dead ends: 158535 [2022-01-18 11:52:02,596 INFO L226 Difference]: Without dead ends: 158221 [2022-01-18 11:52:02,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1102 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=842, Invalid=3064, Unknown=0, NotChecked=0, Total=3906 [2022-01-18 11:52:02,596 INFO L933 BasicCegarLoop]: 894 mSDtfsCounter, 3646 mSDsluCounter, 11647 mSDsCounter, 0 mSdLazyCounter, 2276 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3646 SdHoareTripleChecker+Valid, 12473 SdHoareTripleChecker+Invalid, 2313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:52:02,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3646 Valid, 12473 Invalid, 2313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2276 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:52:02,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158221 states. [2022-01-18 11:52:04,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158221 to 53974. [2022-01-18 11:52:04,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53974 states, 53973 states have (on average 2.7462990754636576) internal successors, (148226), 53973 states have internal predecessors, (148226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:04,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53974 states to 53974 states and 148226 transitions. [2022-01-18 11:52:04,360 INFO L78 Accepts]: Start accepts. Automaton has 53974 states and 148226 transitions. Word has length 163 [2022-01-18 11:52:04,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:52:04,360 INFO L470 AbstractCegarLoop]: Abstraction has 53974 states and 148226 transitions. [2022-01-18 11:52:04,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:04,360 INFO L276 IsEmpty]: Start isEmpty. Operand 53974 states and 148226 transitions. [2022-01-18 11:52:04,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:52:04,405 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:52:04,405 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:52:04,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-01-18 11:52:04,405 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:52:04,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:52:04,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1217784200, now seen corresponding path program 153 times [2022-01-18 11:52:04,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:52:04,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716406850] [2022-01-18 11:52:04,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:52:04,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:52:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:52:04,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:52:04,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:52:04,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716406850] [2022-01-18 11:52:04,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716406850] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:52:04,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:52:04,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:52:04,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902482935] [2022-01-18 11:52:04,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:52:04,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:52:04,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:52:04,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:52:04,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:52:04,649 INFO L87 Difference]: Start difference. First operand 53974 states and 148226 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:07,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:52:07,241 INFO L93 Difference]: Finished difference Result 161024 states and 443763 transitions. [2022-01-18 11:52:07,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-18 11:52:07,241 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:52:07,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:52:07,550 INFO L225 Difference]: With dead ends: 161024 [2022-01-18 11:52:07,551 INFO L226 Difference]: Without dead ends: 160810 [2022-01-18 11:52:07,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1112 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=861, Invalid=3045, Unknown=0, NotChecked=0, Total=3906 [2022-01-18 11:52:07,551 INFO L933 BasicCegarLoop]: 891 mSDtfsCounter, 3800 mSDsluCounter, 11258 mSDsCounter, 0 mSdLazyCounter, 2252 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3800 SdHoareTripleChecker+Valid, 12083 SdHoareTripleChecker+Invalid, 2288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:52:07,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3800 Valid, 12083 Invalid, 2288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2252 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-18 11:52:07,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160810 states. [2022-01-18 11:52:09,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160810 to 53922. [2022-01-18 11:52:09,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53922 states, 53921 states have (on average 2.7462955063889765) internal successors, (148083), 53921 states have internal predecessors, (148083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:09,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53922 states to 53922 states and 148083 transitions. [2022-01-18 11:52:09,387 INFO L78 Accepts]: Start accepts. Automaton has 53922 states and 148083 transitions. Word has length 163 [2022-01-18 11:52:09,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:52:09,387 INFO L470 AbstractCegarLoop]: Abstraction has 53922 states and 148083 transitions. [2022-01-18 11:52:09,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:09,388 INFO L276 IsEmpty]: Start isEmpty. Operand 53922 states and 148083 transitions. [2022-01-18 11:52:09,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:52:09,440 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:52:09,440 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:52:09,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-01-18 11:52:09,440 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:52:09,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:52:09,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1655438730, now seen corresponding path program 154 times [2022-01-18 11:52:09,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:52:09,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685090054] [2022-01-18 11:52:09,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:52:09,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:52:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:52:09,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:52:09,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:52:09,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685090054] [2022-01-18 11:52:09,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685090054] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:52:09,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:52:09,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:52:09,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073404857] [2022-01-18 11:52:09,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:52:09,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:52:09,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:52:09,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:52:09,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:52:09,944 INFO L87 Difference]: Start difference. First operand 53922 states and 148083 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:12,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:52:12,172 INFO L93 Difference]: Finished difference Result 154950 states and 427123 transitions. [2022-01-18 11:52:12,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 11:52:12,173 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:52:12,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:52:12,460 INFO L225 Difference]: With dead ends: 154950 [2022-01-18 11:52:12,460 INFO L226 Difference]: Without dead ends: 154060 [2022-01-18 11:52:12,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1050 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=828, Invalid=2954, Unknown=0, NotChecked=0, Total=3782 [2022-01-18 11:52:12,461 INFO L933 BasicCegarLoop]: 910 mSDtfsCounter, 3440 mSDsluCounter, 11087 mSDsCounter, 0 mSdLazyCounter, 2244 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3440 SdHoareTripleChecker+Valid, 11930 SdHoareTripleChecker+Invalid, 2280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:52:12,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3440 Valid, 11930 Invalid, 2280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2244 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:52:12,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154060 states. [2022-01-18 11:52:14,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154060 to 53246. [2022-01-18 11:52:14,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53246 states, 53245 states have (on average 2.7462484740351205) internal successors, (146224), 53245 states have internal predecessors, (146224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:14,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53246 states to 53246 states and 146224 transitions. [2022-01-18 11:52:14,372 INFO L78 Accepts]: Start accepts. Automaton has 53246 states and 146224 transitions. Word has length 163 [2022-01-18 11:52:14,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:52:14,372 INFO L470 AbstractCegarLoop]: Abstraction has 53246 states and 146224 transitions. [2022-01-18 11:52:14,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:14,372 INFO L276 IsEmpty]: Start isEmpty. Operand 53246 states and 146224 transitions. [2022-01-18 11:52:14,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:52:14,416 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:52:14,416 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:52:14,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-01-18 11:52:14,416 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:52:14,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:52:14,416 INFO L85 PathProgramCache]: Analyzing trace with hash -850268428, now seen corresponding path program 155 times [2022-01-18 11:52:14,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:52:14,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668601569] [2022-01-18 11:52:14,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:52:14,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:52:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:52:14,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:52:14,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:52:14,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668601569] [2022-01-18 11:52:14,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668601569] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:52:14,751 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:52:14,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:52:14,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631042815] [2022-01-18 11:52:14,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:52:14,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:52:14,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:52:14,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:52:14,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:52:14,752 INFO L87 Difference]: Start difference. First operand 53246 states and 146224 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:16,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:52:16,727 INFO L93 Difference]: Finished difference Result 141803 states and 390746 transitions. [2022-01-18 11:52:16,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-18 11:52:16,728 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:52:16,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:52:17,359 INFO L225 Difference]: With dead ends: 141803 [2022-01-18 11:52:17,359 INFO L226 Difference]: Without dead ends: 141433 [2022-01-18 11:52:17,359 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 786 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=670, Invalid=2410, Unknown=0, NotChecked=0, Total=3080 [2022-01-18 11:52:17,359 INFO L933 BasicCegarLoop]: 853 mSDtfsCounter, 3366 mSDsluCounter, 10340 mSDsCounter, 0 mSdLazyCounter, 2148 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3366 SdHoareTripleChecker+Valid, 11128 SdHoareTripleChecker+Invalid, 2185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:52:17,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3366 Valid, 11128 Invalid, 2185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2148 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:52:17,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141433 states. [2022-01-18 11:52:18,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141433 to 53262. [2022-01-18 11:52:18,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53262 states, 53261 states have (on average 2.746174499164492) internal successors, (146264), 53261 states have internal predecessors, (146264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:18,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53262 states to 53262 states and 146264 transitions. [2022-01-18 11:52:18,871 INFO L78 Accepts]: Start accepts. Automaton has 53262 states and 146264 transitions. Word has length 163 [2022-01-18 11:52:18,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:52:18,872 INFO L470 AbstractCegarLoop]: Abstraction has 53262 states and 146264 transitions. [2022-01-18 11:52:18,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:18,872 INFO L276 IsEmpty]: Start isEmpty. Operand 53262 states and 146264 transitions. [2022-01-18 11:52:18,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:52:18,917 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:52:18,917 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:52:18,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-01-18 11:52:18,917 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:52:18,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:52:18,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1755072328, now seen corresponding path program 156 times [2022-01-18 11:52:18,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:52:18,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713819133] [2022-01-18 11:52:18,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:52:18,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:52:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:52:19,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:52:19,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:52:19,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713819133] [2022-01-18 11:52:19,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713819133] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:52:19,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:52:19,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:52:19,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941741468] [2022-01-18 11:52:19,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:52:19,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:52:19,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:52:19,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:52:19,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:52:19,129 INFO L87 Difference]: Start difference. First operand 53262 states and 146264 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:21,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:52:21,656 INFO L93 Difference]: Finished difference Result 142952 states and 393774 transitions. [2022-01-18 11:52:21,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 11:52:21,656 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:52:21,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:52:21,916 INFO L225 Difference]: With dead ends: 142952 [2022-01-18 11:52:21,916 INFO L226 Difference]: Without dead ends: 142598 [2022-01-18 11:52:21,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 949 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=739, Invalid=2801, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 11:52:21,917 INFO L933 BasicCegarLoop]: 859 mSDtfsCounter, 3265 mSDsluCounter, 11448 mSDsCounter, 0 mSdLazyCounter, 2326 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3265 SdHoareTripleChecker+Valid, 12237 SdHoareTripleChecker+Invalid, 2365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 2326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 11:52:21,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3265 Valid, 12237 Invalid, 2365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 2326 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 11:52:22,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142598 states. [2022-01-18 11:52:23,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142598 to 53418. [2022-01-18 11:52:23,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53418 states, 53417 states have (on average 2.745212198363817) internal successors, (146641), 53417 states have internal predecessors, (146641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:23,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53418 states to 53418 states and 146641 transitions. [2022-01-18 11:52:23,541 INFO L78 Accepts]: Start accepts. Automaton has 53418 states and 146641 transitions. Word has length 163 [2022-01-18 11:52:23,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:52:23,541 INFO L470 AbstractCegarLoop]: Abstraction has 53418 states and 146641 transitions. [2022-01-18 11:52:23,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:23,541 INFO L276 IsEmpty]: Start isEmpty. Operand 53418 states and 146641 transitions. [2022-01-18 11:52:23,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:52:23,589 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:52:23,589 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:52:23,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-01-18 11:52:23,589 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:52:23,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:52:23,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1607724314, now seen corresponding path program 157 times [2022-01-18 11:52:23,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:52:23,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98150118] [2022-01-18 11:52:23,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:52:23,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:52:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:52:23,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:52:23,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:52:23,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98150118] [2022-01-18 11:52:23,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98150118] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:52:23,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:52:23,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:52:23,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250924753] [2022-01-18 11:52:23,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:52:23,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:52:23,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:52:23,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:52:23,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:52:23,783 INFO L87 Difference]: Start difference. First operand 53418 states and 146641 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:26,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:52:26,228 INFO L93 Difference]: Finished difference Result 142051 states and 391492 transitions. [2022-01-18 11:52:26,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 11:52:26,228 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:52:26,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:52:26,581 INFO L225 Difference]: With dead ends: 142051 [2022-01-18 11:52:26,581 INFO L226 Difference]: Without dead ends: 141725 [2022-01-18 11:52:26,581 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=678, Invalid=2514, Unknown=0, NotChecked=0, Total=3192 [2022-01-18 11:52:26,581 INFO L933 BasicCegarLoop]: 837 mSDtfsCounter, 2992 mSDsluCounter, 10362 mSDsCounter, 0 mSdLazyCounter, 2132 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2992 SdHoareTripleChecker+Valid, 11136 SdHoareTripleChecker+Invalid, 2169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:52:26,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2992 Valid, 11136 Invalid, 2169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2132 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:52:26,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141725 states. [2022-01-18 11:52:28,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141725 to 53250. [2022-01-18 11:52:28,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53250 states, 53249 states have (on average 2.746173637063607) internal successors, (146231), 53249 states have internal predecessors, (146231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:28,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53250 states to 53250 states and 146231 transitions. [2022-01-18 11:52:28,268 INFO L78 Accepts]: Start accepts. Automaton has 53250 states and 146231 transitions. Word has length 163 [2022-01-18 11:52:28,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:52:28,268 INFO L470 AbstractCegarLoop]: Abstraction has 53250 states and 146231 transitions. [2022-01-18 11:52:28,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:28,268 INFO L276 IsEmpty]: Start isEmpty. Operand 53250 states and 146231 transitions. [2022-01-18 11:52:28,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:52:28,315 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:52:28,315 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:52:28,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-01-18 11:52:28,315 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:52:28,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:52:28,315 INFO L85 PathProgramCache]: Analyzing trace with hash -758852600, now seen corresponding path program 158 times [2022-01-18 11:52:28,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:52:28,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429610064] [2022-01-18 11:52:28,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:52:28,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:52:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:52:28,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:52:28,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:52:28,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429610064] [2022-01-18 11:52:28,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429610064] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:52:28,516 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:52:28,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:52:28,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29520183] [2022-01-18 11:52:28,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:52:28,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:52:28,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:52:28,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:52:28,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:52:28,517 INFO L87 Difference]: Start difference. First operand 53250 states and 146231 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:30,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:52:30,775 INFO L93 Difference]: Finished difference Result 147604 states and 406779 transitions. [2022-01-18 11:52:30,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 11:52:30,776 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:52:30,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:52:31,081 INFO L225 Difference]: With dead ends: 147604 [2022-01-18 11:52:31,081 INFO L226 Difference]: Without dead ends: 147250 [2022-01-18 11:52:31,081 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1059 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=802, Invalid=2980, Unknown=0, NotChecked=0, Total=3782 [2022-01-18 11:52:31,081 INFO L933 BasicCegarLoop]: 888 mSDtfsCounter, 3221 mSDsluCounter, 11999 mSDsCounter, 0 mSdLazyCounter, 2390 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3221 SdHoareTripleChecker+Valid, 12810 SdHoareTripleChecker+Invalid, 2428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:52:31,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3221 Valid, 12810 Invalid, 2428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2390 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:52:31,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147250 states. [2022-01-18 11:52:32,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147250 to 53458. [2022-01-18 11:52:32,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53458 states, 53457 states have (on average 2.7452157809080195) internal successors, (146751), 53457 states have internal predecessors, (146751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:32,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53458 states to 53458 states and 146751 transitions. [2022-01-18 11:52:32,721 INFO L78 Accepts]: Start accepts. Automaton has 53458 states and 146751 transitions. Word has length 163 [2022-01-18 11:52:32,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:52:32,721 INFO L470 AbstractCegarLoop]: Abstraction has 53458 states and 146751 transitions. [2022-01-18 11:52:32,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:32,721 INFO L276 IsEmpty]: Start isEmpty. Operand 53458 states and 146751 transitions. [2022-01-18 11:52:32,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:52:32,768 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:52:32,768 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:52:32,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-01-18 11:52:32,768 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:52:32,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:52:32,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1691023254, now seen corresponding path program 159 times [2022-01-18 11:52:32,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:52:32,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894639533] [2022-01-18 11:52:32,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:52:32,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:52:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:52:33,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:52:33,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:52:33,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894639533] [2022-01-18 11:52:33,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894639533] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:52:33,000 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:52:33,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:52:33,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001600153] [2022-01-18 11:52:33,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:52:33,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:52:33,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:52:33,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:52:33,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:52:33,001 INFO L87 Difference]: Start difference. First operand 53458 states and 146751 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:35,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:52:35,269 INFO L93 Difference]: Finished difference Result 147304 states and 406082 transitions. [2022-01-18 11:52:35,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 11:52:35,269 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:52:35,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:52:35,587 INFO L225 Difference]: With dead ends: 147304 [2022-01-18 11:52:35,587 INFO L226 Difference]: Without dead ends: 146990 [2022-01-18 11:52:35,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 991 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=782, Invalid=2878, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 11:52:35,588 INFO L933 BasicCegarLoop]: 863 mSDtfsCounter, 3351 mSDsluCounter, 10930 mSDsCounter, 0 mSdLazyCounter, 2206 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3351 SdHoareTripleChecker+Valid, 11726 SdHoareTripleChecker+Invalid, 2248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 11:52:35,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3351 Valid, 11726 Invalid, 2248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 2206 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-18 11:52:35,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146990 states. [2022-01-18 11:52:37,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146990 to 53302. [2022-01-18 11:52:37,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53302 states, 53301 states have (on average 2.745201778578263) internal successors, (146322), 53301 states have internal predecessors, (146322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:37,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53302 states to 53302 states and 146322 transitions. [2022-01-18 11:52:37,347 INFO L78 Accepts]: Start accepts. Automaton has 53302 states and 146322 transitions. Word has length 163 [2022-01-18 11:52:37,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:52:37,347 INFO L470 AbstractCegarLoop]: Abstraction has 53302 states and 146322 transitions. [2022-01-18 11:52:37,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:37,348 INFO L276 IsEmpty]: Start isEmpty. Operand 53302 states and 146322 transitions. [2022-01-18 11:52:37,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:52:37,395 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:52:37,395 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:52:37,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-01-18 11:52:37,395 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:52:37,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:52:37,395 INFO L85 PathProgramCache]: Analyzing trace with hash 105150718, now seen corresponding path program 160 times [2022-01-18 11:52:37,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:52:37,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485560526] [2022-01-18 11:52:37,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:52:37,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:52:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:52:37,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:52:37,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:52:37,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485560526] [2022-01-18 11:52:37,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485560526] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:52:37,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:52:37,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:52:37,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795926223] [2022-01-18 11:52:37,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:52:37,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:52:37,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:52:37,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:52:37,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:52:37,597 INFO L87 Difference]: Start difference. First operand 53302 states and 146322 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:40,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:52:40,178 INFO L93 Difference]: Finished difference Result 146367 states and 403573 transitions. [2022-01-18 11:52:40,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-18 11:52:40,179 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:52:40,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:52:40,483 INFO L225 Difference]: With dead ends: 146367 [2022-01-18 11:52:40,483 INFO L226 Difference]: Without dead ends: 146093 [2022-01-18 11:52:40,483 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 748 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=700, Invalid=2380, Unknown=0, NotChecked=0, Total=3080 [2022-01-18 11:52:40,483 INFO L933 BasicCegarLoop]: 814 mSDtfsCounter, 2890 mSDsluCounter, 10946 mSDsCounter, 0 mSdLazyCounter, 2274 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2890 SdHoareTripleChecker+Valid, 11685 SdHoareTripleChecker+Invalid, 2319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 2274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:52:40,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2890 Valid, 11685 Invalid, 2319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 2274 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:52:40,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146093 states. [2022-01-18 11:52:41,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146093 to 53190. [2022-01-18 11:52:42,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53190 states, 53189 states have (on average 2.747222169997556) internal successors, (146122), 53189 states have internal predecessors, (146122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:42,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53190 states to 53190 states and 146122 transitions. [2022-01-18 11:52:42,114 INFO L78 Accepts]: Start accepts. Automaton has 53190 states and 146122 transitions. Word has length 163 [2022-01-18 11:52:42,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:52:42,114 INFO L470 AbstractCegarLoop]: Abstraction has 53190 states and 146122 transitions. [2022-01-18 11:52:42,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:42,114 INFO L276 IsEmpty]: Start isEmpty. Operand 53190 states and 146122 transitions. [2022-01-18 11:52:42,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:52:42,158 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:52:42,158 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:52:42,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-01-18 11:52:42,159 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:52:42,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:52:42,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1390021020, now seen corresponding path program 161 times [2022-01-18 11:52:42,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:52:42,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378757534] [2022-01-18 11:52:42,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:52:42,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:52:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:52:42,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:52:42,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:52:42,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378757534] [2022-01-18 11:52:42,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378757534] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:52:42,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:52:42,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:52:42,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998047162] [2022-01-18 11:52:42,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:52:42,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:52:42,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:52:42,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:52:42,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:52:42,371 INFO L87 Difference]: Start difference. First operand 53190 states and 146122 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:44,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:52:44,598 INFO L93 Difference]: Finished difference Result 139035 states and 383260 transitions. [2022-01-18 11:52:44,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-18 11:52:44,598 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:52:44,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:52:44,863 INFO L225 Difference]: With dead ends: 139035 [2022-01-18 11:52:44,863 INFO L226 Difference]: Without dead ends: 138681 [2022-01-18 11:52:44,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1126 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=840, Invalid=3066, Unknown=0, NotChecked=0, Total=3906 [2022-01-18 11:52:44,864 INFO L933 BasicCegarLoop]: 894 mSDtfsCounter, 3597 mSDsluCounter, 10987 mSDsCounter, 0 mSdLazyCounter, 2127 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3597 SdHoareTripleChecker+Valid, 11814 SdHoareTripleChecker+Invalid, 2164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 11:52:44,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3597 Valid, 11814 Invalid, 2164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2127 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 11:52:45,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138681 states. [2022-01-18 11:52:46,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138681 to 54282. [2022-01-18 11:52:46,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54282 states, 54281 states have (on average 2.746320075164422) internal successors, (149073), 54281 states have internal predecessors, (149073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:46,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54282 states to 54282 states and 149073 transitions. [2022-01-18 11:52:46,485 INFO L78 Accepts]: Start accepts. Automaton has 54282 states and 149073 transitions. Word has length 163 [2022-01-18 11:52:46,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:52:46,486 INFO L470 AbstractCegarLoop]: Abstraction has 54282 states and 149073 transitions. [2022-01-18 11:52:46,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:46,486 INFO L276 IsEmpty]: Start isEmpty. Operand 54282 states and 149073 transitions. [2022-01-18 11:52:46,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:52:46,531 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:52:46,531 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:52:46,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-01-18 11:52:46,531 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:52:46,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:52:46,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1972775622, now seen corresponding path program 162 times [2022-01-18 11:52:46,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:52:46,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999813911] [2022-01-18 11:52:46,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:52:46,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:52:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:52:46,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:52:46,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:52:46,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999813911] [2022-01-18 11:52:46,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999813911] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:52:46,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:52:46,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:52:46,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416012070] [2022-01-18 11:52:46,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:52:46,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:52:46,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:52:46,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:52:46,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:52:46,773 INFO L87 Difference]: Start difference. First operand 54282 states and 149073 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:49,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:52:49,097 INFO L93 Difference]: Finished difference Result 139143 states and 383561 transitions. [2022-01-18 11:52:49,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 11:52:49,097 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:52:49,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:52:49,365 INFO L225 Difference]: With dead ends: 139143 [2022-01-18 11:52:49,365 INFO L226 Difference]: Without dead ends: 138829 [2022-01-18 11:52:49,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1056 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=818, Invalid=2964, Unknown=0, NotChecked=0, Total=3782 [2022-01-18 11:52:49,366 INFO L933 BasicCegarLoop]: 873 mSDtfsCounter, 3325 mSDsluCounter, 10588 mSDsCounter, 0 mSdLazyCounter, 2084 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3325 SdHoareTripleChecker+Valid, 11398 SdHoareTripleChecker+Invalid, 2122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 11:52:49,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3325 Valid, 11398 Invalid, 2122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2084 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-18 11:52:49,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138829 states. [2022-01-18 11:52:50,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138829 to 54126. [2022-01-18 11:52:50,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54126 states, 54125 states have (on average 2.746309468822171) internal successors, (148644), 54125 states have internal predecessors, (148644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:50,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54126 states to 54126 states and 148644 transitions. [2022-01-18 11:52:50,983 INFO L78 Accepts]: Start accepts. Automaton has 54126 states and 148644 transitions. Word has length 163 [2022-01-18 11:52:50,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:52:50,983 INFO L470 AbstractCegarLoop]: Abstraction has 54126 states and 148644 transitions. [2022-01-18 11:52:50,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:50,983 INFO L276 IsEmpty]: Start isEmpty. Operand 54126 states and 148644 transitions. [2022-01-18 11:52:51,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:52:51,029 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:52:51,029 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:52:51,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-01-18 11:52:51,029 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:52:51,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:52:51,029 INFO L85 PathProgramCache]: Analyzing trace with hash -526017702, now seen corresponding path program 163 times [2022-01-18 11:52:51,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:52:51,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942102935] [2022-01-18 11:52:51,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:52:51,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:52:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:52:51,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:52:51,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:52:51,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942102935] [2022-01-18 11:52:51,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942102935] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:52:51,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:52:51,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:52:51,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817980565] [2022-01-18 11:52:51,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:52:51,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:52:51,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:52:51,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:52:51,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:52:51,302 INFO L87 Difference]: Start difference. First operand 54126 states and 148644 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:54,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:52:54,231 INFO L93 Difference]: Finished difference Result 140731 states and 388020 transitions. [2022-01-18 11:52:54,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-18 11:52:54,231 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:52:54,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:52:54,498 INFO L225 Difference]: With dead ends: 140731 [2022-01-18 11:52:54,498 INFO L226 Difference]: Without dead ends: 139789 [2022-01-18 11:52:54,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1335 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1027, Invalid=3529, Unknown=0, NotChecked=0, Total=4556 [2022-01-18 11:52:54,499 INFO L933 BasicCegarLoop]: 873 mSDtfsCounter, 3663 mSDsluCounter, 11970 mSDsCounter, 0 mSdLazyCounter, 2289 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3663 SdHoareTripleChecker+Valid, 12766 SdHoareTripleChecker+Invalid, 2339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 11:52:54,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3663 Valid, 12766 Invalid, 2339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2289 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-18 11:52:54,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139789 states. [2022-01-18 11:52:55,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139789 to 53398. [2022-01-18 11:52:55,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53398 states, 53397 states have (on average 2.746259153135944) internal successors, (146642), 53397 states have internal predecessors, (146642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:56,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53398 states to 53398 states and 146642 transitions. [2022-01-18 11:52:56,090 INFO L78 Accepts]: Start accepts. Automaton has 53398 states and 146642 transitions. Word has length 163 [2022-01-18 11:52:56,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:52:56,090 INFO L470 AbstractCegarLoop]: Abstraction has 53398 states and 146642 transitions. [2022-01-18 11:52:56,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:56,090 INFO L276 IsEmpty]: Start isEmpty. Operand 53398 states and 146642 transitions. [2022-01-18 11:52:56,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:52:56,442 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:52:56,442 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:52:56,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-01-18 11:52:56,443 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:52:56,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:52:56,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1700896966, now seen corresponding path program 164 times [2022-01-18 11:52:56,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:52:56,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744624688] [2022-01-18 11:52:56,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:52:56,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:52:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:52:56,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:52:56,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:52:56,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744624688] [2022-01-18 11:52:56,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744624688] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:52:56,685 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:52:56,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:52:56,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914956123] [2022-01-18 11:52:56,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:52:56,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:52:56,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:52:56,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:52:56,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:52:56,686 INFO L87 Difference]: Start difference. First operand 53398 states and 146642 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:52:58,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:52:58,816 INFO L93 Difference]: Finished difference Result 137659 states and 379364 transitions. [2022-01-18 11:52:58,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-18 11:52:58,816 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:52:58,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:52:59,072 INFO L225 Difference]: With dead ends: 137659 [2022-01-18 11:52:59,072 INFO L226 Difference]: Without dead ends: 137289 [2022-01-18 11:52:59,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 848 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=704, Invalid=2488, Unknown=0, NotChecked=0, Total=3192 [2022-01-18 11:52:59,073 INFO L933 BasicCegarLoop]: 826 mSDtfsCounter, 3512 mSDsluCounter, 10626 mSDsCounter, 0 mSdLazyCounter, 2030 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3512 SdHoareTripleChecker+Valid, 11383 SdHoareTripleChecker+Invalid, 2066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:52:59,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3512 Valid, 11383 Invalid, 2066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2030 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:52:59,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137289 states. [2022-01-18 11:53:00,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137289 to 53414. [2022-01-18 11:53:00,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53414 states, 53413 states have (on average 2.7461853855802896) internal successors, (146682), 53413 states have internal predecessors, (146682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:53:00,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53414 states to 53414 states and 146682 transitions. [2022-01-18 11:53:00,739 INFO L78 Accepts]: Start accepts. Automaton has 53414 states and 146682 transitions. Word has length 163 [2022-01-18 11:53:00,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:53:00,739 INFO L470 AbstractCegarLoop]: Abstraction has 53414 states and 146682 transitions. [2022-01-18 11:53:00,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:53:00,739 INFO L276 IsEmpty]: Start isEmpty. Operand 53414 states and 146682 transitions. [2022-01-18 11:53:01,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:53:01,108 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:53:01,108 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:53:01,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-01-18 11:53:01,108 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:53:01,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:53:01,109 INFO L85 PathProgramCache]: Analyzing trace with hash 796093066, now seen corresponding path program 165 times [2022-01-18 11:53:01,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:53:01,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456265868] [2022-01-18 11:53:01,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:53:01,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:53:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:53:01,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:53:01,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:53:01,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456265868] [2022-01-18 11:53:01,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456265868] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:53:01,326 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:53:01,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:53:01,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181006982] [2022-01-18 11:53:01,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:53:01,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:53:01,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:53:01,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:53:01,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:53:01,326 INFO L87 Difference]: Start difference. First operand 53414 states and 146682 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:53:03,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:53:03,435 INFO L93 Difference]: Finished difference Result 138808 states and 382392 transitions. [2022-01-18 11:53:03,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 11:53:03,435 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:53:03,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:53:03,706 INFO L225 Difference]: With dead ends: 138808 [2022-01-18 11:53:03,707 INFO L226 Difference]: Without dead ends: 138454 [2022-01-18 11:53:03,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1018 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=775, Invalid=2885, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 11:53:03,707 INFO L933 BasicCegarLoop]: 832 mSDtfsCounter, 3586 mSDsluCounter, 10070 mSDsCounter, 0 mSdLazyCounter, 2006 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3586 SdHoareTripleChecker+Valid, 10840 SdHoareTripleChecker+Invalid, 2043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:53:03,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3586 Valid, 10840 Invalid, 2043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2006 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:53:04,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138454 states. [2022-01-18 11:53:05,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138454 to 53570. [2022-01-18 11:53:05,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53570 states, 53569 states have (on average 2.745225783568855) internal successors, (147059), 53569 states have internal predecessors, (147059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:53:05,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53570 states to 53570 states and 147059 transitions. [2022-01-18 11:53:05,990 INFO L78 Accepts]: Start accepts. Automaton has 53570 states and 147059 transitions. Word has length 163 [2022-01-18 11:53:05,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:53:05,990 INFO L470 AbstractCegarLoop]: Abstraction has 53570 states and 147059 transitions. [2022-01-18 11:53:05,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:53:05,990 INFO L276 IsEmpty]: Start isEmpty. Operand 53570 states and 147059 transitions. [2022-01-18 11:53:06,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:53:06,034 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:53:06,034 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:53:06,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-01-18 11:53:06,034 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:53:06,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:53:06,035 INFO L85 PathProgramCache]: Analyzing trace with hash -136077588, now seen corresponding path program 166 times [2022-01-18 11:53:06,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:53:06,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904132394] [2022-01-18 11:53:06,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:53:06,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:53:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:53:06,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:53:06,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:53:06,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904132394] [2022-01-18 11:53:06,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904132394] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:53:06,254 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:53:06,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:53:06,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029540037] [2022-01-18 11:53:06,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:53:06,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:53:06,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:53:06,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:53:06,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:53:06,254 INFO L87 Difference]: Start difference. First operand 53570 states and 147059 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:53:08,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:53:08,258 INFO L93 Difference]: Finished difference Result 137907 states and 380110 transitions. [2022-01-18 11:53:08,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 11:53:08,258 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:53:08,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:53:08,513 INFO L225 Difference]: With dead ends: 137907 [2022-01-18 11:53:08,513 INFO L226 Difference]: Without dead ends: 137581 [2022-01-18 11:53:08,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 859 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=712, Invalid=2594, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 11:53:08,514 INFO L933 BasicCegarLoop]: 810 mSDtfsCounter, 3153 mSDsluCounter, 9968 mSDsCounter, 0 mSdLazyCounter, 1974 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3153 SdHoareTripleChecker+Valid, 10716 SdHoareTripleChecker+Invalid, 2010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:53:08,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3153 Valid, 10716 Invalid, 2010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1974 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:53:08,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137581 states. [2022-01-18 11:53:09,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137581 to 53402. [2022-01-18 11:53:09,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53402 states, 53401 states have (on average 2.7461845283796182) internal successors, (146649), 53401 states have internal predecessors, (146649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:53:10,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53402 states to 53402 states and 146649 transitions. [2022-01-18 11:53:10,382 INFO L78 Accepts]: Start accepts. Automaton has 53402 states and 146649 transitions. Word has length 163 [2022-01-18 11:53:10,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:53:10,382 INFO L470 AbstractCegarLoop]: Abstraction has 53402 states and 146649 transitions. [2022-01-18 11:53:10,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:53:10,382 INFO L276 IsEmpty]: Start isEmpty. Operand 53402 states and 146649 transitions. [2022-01-18 11:53:10,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:53:10,426 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:53:10,426 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:53:10,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-01-18 11:53:10,426 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:53:10,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:53:10,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1792312794, now seen corresponding path program 167 times [2022-01-18 11:53:10,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:53:10,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122953757] [2022-01-18 11:53:10,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:53:10,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:53:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:53:10,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:53:10,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:53:10,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122953757] [2022-01-18 11:53:10,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122953757] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:53:10,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:53:10,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:53:10,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135581400] [2022-01-18 11:53:10,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:53:10,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:53:10,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:53:10,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:53:10,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:53:10,658 INFO L87 Difference]: Start difference. First operand 53402 states and 146649 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:53:12,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:53:12,616 INFO L93 Difference]: Finished difference Result 143460 states and 395397 transitions. [2022-01-18 11:53:12,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-18 11:53:12,617 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:53:12,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:53:13,172 INFO L225 Difference]: With dead ends: 143460 [2022-01-18 11:53:13,172 INFO L226 Difference]: Without dead ends: 143106 [2022-01-18 11:53:13,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1129 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=839, Invalid=3067, Unknown=0, NotChecked=0, Total=3906 [2022-01-18 11:53:13,173 INFO L933 BasicCegarLoop]: 861 mSDtfsCounter, 3356 mSDsluCounter, 11790 mSDsCounter, 0 mSdLazyCounter, 2223 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3356 SdHoareTripleChecker+Valid, 12575 SdHoareTripleChecker+Invalid, 2260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 11:53:13,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3356 Valid, 12575 Invalid, 2260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2223 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 11:53:13,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143106 states. [2022-01-18 11:53:14,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143106 to 53610. [2022-01-18 11:53:14,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53610 states, 53609 states have (on average 2.745229345818799) internal successors, (147169), 53609 states have internal predecessors, (147169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:53:14,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53610 states to 53610 states and 147169 transitions. [2022-01-18 11:53:14,710 INFO L78 Accepts]: Start accepts. Automaton has 53610 states and 147169 transitions. Word has length 163 [2022-01-18 11:53:14,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:53:14,710 INFO L470 AbstractCegarLoop]: Abstraction has 53610 states and 147169 transitions. [2022-01-18 11:53:14,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:53:14,710 INFO L276 IsEmpty]: Start isEmpty. Operand 53610 states and 147169 transitions. [2022-01-18 11:53:14,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:53:14,756 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:53:14,756 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:53:14,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-01-18 11:53:14,756 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:53:14,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:53:14,756 INFO L85 PathProgramCache]: Analyzing trace with hash 860142140, now seen corresponding path program 168 times [2022-01-18 11:53:14,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:53:14,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632654131] [2022-01-18 11:53:14,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:53:14,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:53:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:53:14,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:53:14,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:53:14,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632654131] [2022-01-18 11:53:14,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632654131] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:53:14,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:53:14,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:53:14,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000415523] [2022-01-18 11:53:14,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:53:14,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:53:14,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:53:14,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:53:14,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:53:14,987 INFO L87 Difference]: Start difference. First operand 53610 states and 147169 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:53:17,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:53:17,526 INFO L93 Difference]: Finished difference Result 143160 states and 394700 transitions. [2022-01-18 11:53:17,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-18 11:53:17,526 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-01-18 11:53:17,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:53:17,790 INFO L225 Difference]: With dead ends: 143160 [2022-01-18 11:53:17,791 INFO L226 Difference]: Without dead ends: 142846 [2022-01-18 11:53:17,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1060 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=819, Invalid=2963, Unknown=0, NotChecked=0, Total=3782 [2022-01-18 11:53:17,791 INFO L933 BasicCegarLoop]: 836 mSDtfsCounter, 3488 mSDsluCounter, 10761 mSDsCounter, 0 mSdLazyCounter, 2049 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3488 SdHoareTripleChecker+Valid, 11530 SdHoareTripleChecker+Invalid, 2089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 2049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 11:53:17,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3488 Valid, 11530 Invalid, 2089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 2049 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 11:53:17,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142846 states. [2022-01-18 11:53:19,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142846 to 53454. [2022-01-18 11:53:19,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53454 states, 53453 states have (on average 2.7452154228948795) internal successors, (146740), 53453 states have internal predecessors, (146740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:53:19,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53454 states to 53454 states and 146740 transitions. [2022-01-18 11:53:19,354 INFO L78 Accepts]: Start accepts. Automaton has 53454 states and 146740 transitions. Word has length 163 [2022-01-18 11:53:19,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:53:19,355 INFO L470 AbstractCegarLoop]: Abstraction has 53454 states and 146740 transitions. [2022-01-18 11:53:19,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:53:19,355 INFO L276 IsEmpty]: Start isEmpty. Operand 53454 states and 146740 transitions. [2022-01-18 11:53:19,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 11:53:19,400 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:53:19,400 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:53:19,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-01-18 11:53:19,400 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 11:53:19,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:53:19,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1638651184, now seen corresponding path program 169 times [2022-01-18 11:53:19,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:53:19,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194810779] [2022-01-18 11:53:19,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:53:19,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:53:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:53:19,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:53:19,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:53:19,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194810779] [2022-01-18 11:53:19,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194810779] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:53:19,632 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:53:19,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-18 11:53:19,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908135313] [2022-01-18 11:53:19,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:53:19,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 11:53:19,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:53:19,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 11:53:19,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:53:19,633 INFO L87 Difference]: Start difference. First operand 53454 states and 146740 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Received shutdown request... [2022-01-18 11:53:19,671 WARN L244 SmtUtils]: Removed 4 from assertion stack [2022-01-18 11:53:19,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 11:53:19,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-18 11:53:19,672 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 1 mSDsluCounter, 1187 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 11:53:19,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 1275 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 11:53:19,673 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-18 11:53:19,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-01-18 11:53:19,673 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was constructing difference of abstraction (53454states) and FLOYD_HOARE automaton (currently 3 states, 19 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 17 for 4ms.. [2022-01-18 11:53:19,674 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-18 11:53:19,674 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-18 11:53:19,676 INFO L732 BasicCegarLoop]: Path program histogram: [169, 1] [2022-01-18 11:53:19,679 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 11:53:19,679 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 11:53:19,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 11:53:19 BasicIcfg [2022-01-18 11:53:19,680 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 11:53:19,680 INFO L158 Benchmark]: Toolchain (without parser) took 761569.43ms. Allocated memory was 450.9MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 394.0MB in the beginning and 9.6GB in the end (delta: -9.2GB). Peak memory consumption was 6.3GB. Max. memory is 16.0GB. [2022-01-18 11:53:19,680 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 450.9MB. Free memory is still 410.3MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 11:53:19,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.83ms. Allocated memory was 450.9MB in the beginning and 614.5MB in the end (delta: 163.6MB). Free memory was 393.8MB in the beginning and 581.9MB in the end (delta: -188.0MB). Peak memory consumption was 8.2MB. Max. memory is 16.0GB. [2022-01-18 11:53:19,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.83ms. Allocated memory is still 614.5MB. Free memory was 581.9MB in the beginning and 579.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 11:53:19,680 INFO L158 Benchmark]: Boogie Preprocessor took 37.63ms. Allocated memory is still 614.5MB. Free memory was 579.8MB in the beginning and 577.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 11:53:19,680 INFO L158 Benchmark]: RCFGBuilder took 574.15ms. Allocated memory is still 614.5MB. Free memory was 577.7MB in the beginning and 551.5MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2022-01-18 11:53:19,680 INFO L158 Benchmark]: TraceAbstraction took 760634.93ms. Allocated memory was 614.5MB in the beginning and 16.0GB in the end (delta: 15.4GB). Free memory was 551.5MB in the beginning and 9.6GB in the end (delta: -9.1GB). Peak memory consumption was 6.3GB. Max. memory is 16.0GB. [2022-01-18 11:53:19,688 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 450.9MB. Free memory is still 410.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 267.83ms. Allocated memory was 450.9MB in the beginning and 614.5MB in the end (delta: 163.6MB). Free memory was 393.8MB in the beginning and 581.9MB in the end (delta: -188.0MB). Peak memory consumption was 8.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 48.83ms. Allocated memory is still 614.5MB. Free memory was 581.9MB in the beginning and 579.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 37.63ms. Allocated memory is still 614.5MB. Free memory was 579.8MB in the beginning and 577.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 574.15ms. Allocated memory is still 614.5MB. Free memory was 577.7MB in the beginning and 551.5MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * TraceAbstraction took 760634.93ms. Allocated memory was 614.5MB in the beginning and 16.0GB in the end (delta: 15.4GB). Free memory was 551.5MB in the beginning and 9.6GB in the end (delta: -9.1GB). Peak memory consumption was 6.3GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (53454states) and FLOYD_HOARE automaton (currently 3 states, 19 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 17 for 4ms.. - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (53454states) and FLOYD_HOARE automaton (currently 3 states, 19 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 17 for 4ms.. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (53454states) and FLOYD_HOARE automaton (currently 3 states, 19 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 17 for 4ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 611 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 760.4s, OverallIterations: 170, TraceHistogramMax: 1, PathProgramHistogramMax: 169, EmptinessCheckTime: 15.2s, AutomataDifference: 422.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 547084 SdHoareTripleChecker+Valid, 132.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 547084 mSDsluCounter, 2024500 SdHoareTripleChecker+Invalid, 111.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1891077 mSDsCounter, 6012 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 362938 IncrementalHoareTripleChecker+Invalid, 368950 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6012 mSolverCounterUnsat, 150732 mSDtfsCounter, 362938 mSolverCounterSat, 2.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9791 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 9450 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140592 ImplicationChecksByTransitivity, 163.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58787occurred in iteration=0, InterpolantAutomatonStates: 7772, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 276.1s AutomataMinimizationTime, 169 MinimizatonAttempts, 12847886 StatesRemovedByMinimization, 168 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 40.1s InterpolantComputationTime, 27710 NumberOfCodeBlocks, 27710 NumberOfCodeBlocksAsserted, 170 NumberOfCheckSat, 27540 ConstructedInterpolants, 0 QuantifiedInterpolants, 185444 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 170 InterpolantComputations, 170 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown