/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stack-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-17 22:24:39,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-17 22:24:39,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-17 22:24:39,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-17 22:24:39,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-17 22:24:39,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-17 22:24:39,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-17 22:24:39,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-17 22:24:39,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-17 22:24:39,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-17 22:24:39,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-17 22:24:39,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-17 22:24:39,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-17 22:24:39,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-17 22:24:39,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-17 22:24:39,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-17 22:24:39,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-17 22:24:39,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-17 22:24:39,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-17 22:24:39,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-17 22:24:39,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-17 22:24:39,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-17 22:24:39,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-17 22:24:39,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-17 22:24:39,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-17 22:24:39,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-17 22:24:39,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-17 22:24:39,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-17 22:24:39,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-17 22:24:39,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-17 22:24:39,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-17 22:24:39,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-17 22:24:39,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-17 22:24:39,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-17 22:24:39,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-17 22:24:39,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-17 22:24:39,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-17 22:24:39,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-17 22:24:39,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-17 22:24:39,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-17 22:24:39,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-17 22:24:39,390 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.epf [2022-01-17 22:24:39,411 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-17 22:24:39,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-17 22:24:39,412 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-17 22:24:39,412 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-17 22:24:39,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-17 22:24:39,412 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-17 22:24:39,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-17 22:24:39,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-17 22:24:39,413 INFO L138 SettingsManager]: * Use SBE=true [2022-01-17 22:24:39,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-17 22:24:39,413 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-17 22:24:39,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-17 22:24:39,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-17 22:24:39,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-17 22:24:39,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-17 22:24:39,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-17 22:24:39,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-17 22:24:39,414 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-17 22:24:39,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-17 22:24:39,414 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-17 22:24:39,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-17 22:24:39,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-17 22:24:39,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-17 22:24:39,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-17 22:24:39,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-17 22:24:39,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-17 22:24:39,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-17 22:24:39,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-17 22:24:39,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-17 22:24:39,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-17 22:24:39,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-17 22:24:39,415 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-17 22:24:39,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-17 22:24:39,418 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-17 22:24:39,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-17 22:24:39,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-17 22:24:39,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-17 22:24:39,638 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-17 22:24:39,639 INFO L275 PluginConnector]: CDTParser initialized [2022-01-17 22:24:39,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-1.i [2022-01-17 22:24:39,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9cb505b1/f1d636bbec824c529c4c5d2768a2cbba/FLAG7687498b2 [2022-01-17 22:24:40,078 INFO L306 CDTParser]: Found 1 translation units. [2022-01-17 22:24:40,078 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-1.i [2022-01-17 22:24:40,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9cb505b1/f1d636bbec824c529c4c5d2768a2cbba/FLAG7687498b2 [2022-01-17 22:24:40,098 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9cb505b1/f1d636bbec824c529c4c5d2768a2cbba [2022-01-17 22:24:40,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-17 22:24:40,101 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-17 22:24:40,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-17 22:24:40,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-17 22:24:40,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-17 22:24:40,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.01 10:24:40" (1/1) ... [2022-01-17 22:24:40,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49273add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:24:40, skipping insertion in model container [2022-01-17 22:24:40,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.01 10:24:40" (1/1) ... [2022-01-17 22:24:40,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-17 22:24:40,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-17 22:24:40,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-1.i[41520,41533] [2022-01-17 22:24:40,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-17 22:24:40,485 INFO L203 MainTranslator]: Completed pre-run [2022-01-17 22:24:40,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-1.i[41520,41533] [2022-01-17 22:24:40,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-17 22:24:40,569 INFO L208 MainTranslator]: Completed translation [2022-01-17 22:24:40,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:24:40 WrapperNode [2022-01-17 22:24:40,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-17 22:24:40,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-17 22:24:40,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-17 22:24:40,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-17 22:24:40,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:24:40" (1/1) ... [2022-01-17 22:24:40,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:24:40" (1/1) ... [2022-01-17 22:24:40,623 INFO L137 Inliner]: procedures = 277, calls = 45, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 154 [2022-01-17 22:24:40,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-17 22:24:40,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-17 22:24:40,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-17 22:24:40,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-17 22:24:40,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:24:40" (1/1) ... [2022-01-17 22:24:40,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:24:40" (1/1) ... [2022-01-17 22:24:40,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:24:40" (1/1) ... [2022-01-17 22:24:40,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:24:40" (1/1) ... [2022-01-17 22:24:40,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:24:40" (1/1) ... [2022-01-17 22:24:40,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:24:40" (1/1) ... [2022-01-17 22:24:40,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:24:40" (1/1) ... [2022-01-17 22:24:40,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-17 22:24:40,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-17 22:24:40,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-17 22:24:40,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-17 22:24:40,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:24:40" (1/1) ... [2022-01-17 22:24:40,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-17 22:24:40,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-17 22:24:40,687 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) [2022-01-17 22:24:40,699 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 [2022-01-17 22:24:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-01-17 22:24:40,724 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-01-17 22:24:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-01-17 22:24:40,724 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-01-17 22:24:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-17 22:24:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-17 22:24:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-17 22:24:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-17 22:24:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-17 22:24:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-17 22:24:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-17 22:24:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-17 22:24:40,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-17 22:24:40,729 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-17 22:24:40,809 INFO L234 CfgBuilder]: Building ICFG [2022-01-17 22:24:40,810 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-17 22:24:41,036 INFO L275 CfgBuilder]: Performing block encoding [2022-01-17 22:24:41,041 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-17 22:24:41,042 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-17 22:24:41,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.01 10:24:41 BoogieIcfgContainer [2022-01-17 22:24:41,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-17 22:24:41,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-17 22:24:41,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-17 22:24:41,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-17 22:24:41,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.01 10:24:40" (1/3) ... [2022-01-17 22:24:41,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48705539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.01 10:24:41, skipping insertion in model container [2022-01-17 22:24:41,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:24:40" (2/3) ... [2022-01-17 22:24:41,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48705539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.01 10:24:41, skipping insertion in model container [2022-01-17 22:24:41,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.01 10:24:41" (3/3) ... [2022-01-17 22:24:41,048 INFO L111 eAbstractionObserver]: Analyzing ICFG stack-1.i [2022-01-17 22:24:41,051 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-17 22:24:41,051 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-17 22:24:41,051 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-17 22:24:41,051 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-17 22:24:41,108 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,108 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,108 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,108 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,109 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,109 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,109 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,109 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,110 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,110 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,110 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,110 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,110 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,110 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,111 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,111 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,112 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,112 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,113 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,113 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,113 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,113 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,114 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,115 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,116 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,116 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,116 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,117 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,117 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,117 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,117 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,117 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,117 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,117 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,118 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,118 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,119 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,119 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,119 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,121 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,121 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,122 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,122 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,122 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,122 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,124 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,124 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,124 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,124 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,131 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,131 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,133 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,133 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,133 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,133 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,134 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,134 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,134 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,134 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,134 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,134 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,134 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,134 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,134 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,135 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,135 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,135 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,135 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,135 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,135 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,135 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,135 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,136 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,136 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,136 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,136 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,136 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,136 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,136 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,136 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,136 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,136 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,137 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,137 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,137 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,137 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,137 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,138 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,138 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,138 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,138 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,138 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,138 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,138 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,138 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,138 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,138 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,139 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,139 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,139 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,139 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,139 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,139 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,139 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,139 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,140 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,140 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,140 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,140 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,140 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,140 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,145 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,145 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,145 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,145 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,145 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,145 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,145 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,145 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,145 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,146 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,146 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,146 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,146 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,146 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,146 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,146 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,148 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,148 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,148 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,148 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,148 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,148 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,148 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,149 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,149 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,149 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,149 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,149 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,149 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,149 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,150 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,150 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,150 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,150 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,150 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,151 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,151 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,151 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,153 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,154 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,154 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,154 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,154 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,154 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,155 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,155 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,155 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,155 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,156 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,156 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,156 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,156 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,156 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,156 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,156 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,156 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,156 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,156 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,157 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,157 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,157 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,159 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,159 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,159 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,159 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,159 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,161 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,161 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:24:41,164 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-17 22:24:41,237 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-17 22:24:41,242 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 [2022-01-17 22:24:41,242 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-01-17 22:24:41,255 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 173 places, 176 transitions, 368 flow [2022-01-17 22:24:41,494 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 11855 states, 11852 states have (on average 2.8596861289233884) internal successors, (33893), 11854 states have internal predecessors, (33893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:41,529 INFO L276 IsEmpty]: Start isEmpty. Operand has 11855 states, 11852 states have (on average 2.8596861289233884) internal successors, (33893), 11854 states have internal predecessors, (33893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:41,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-01-17 22:24:41,556 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:24:41,557 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] [2022-01-17 22:24:41,557 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 22:24:41,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:24:41,563 INFO L85 PathProgramCache]: Analyzing trace with hash -211887483, now seen corresponding path program 1 times [2022-01-17 22:24:41,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:24:41,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71773513] [2022-01-17 22:24:41,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:24:41,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:24:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:24:41,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:24:41,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:24:41,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71773513] [2022-01-17 22:24:41,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71773513] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:24:41,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:24:41,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-17 22:24:41,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648388177] [2022-01-17 22:24:41,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:24:41,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 22:24:41,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:24:41,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 22:24:41,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:24:41,832 INFO L87 Difference]: Start difference. First operand has 11855 states, 11852 states have (on average 2.8596861289233884) internal successors, (33893), 11854 states have internal predecessors, (33893), 0 states have call successors, (0), 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 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:42,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:24:42,019 INFO L93 Difference]: Finished difference Result 15687 states and 43137 transitions. [2022-01-17 22:24:42,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 22:24:42,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2022-01-17 22:24:42,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:24:42,107 INFO L225 Difference]: With dead ends: 15687 [2022-01-17 22:24:42,108 INFO L226 Difference]: Without dead ends: 15411 [2022-01-17 22:24:42,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:24:42,111 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 80 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:24:42,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 276 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:24:42,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15411 states. [2022-01-17 22:24:42,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15411 to 14887. [2022-01-17 22:24:42,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14887 states, 14883 states have (on average 2.7668480817039574) internal successors, (41179), 14886 states have internal predecessors, (41179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:42,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14887 states to 14887 states and 41179 transitions. [2022-01-17 22:24:42,731 INFO L78 Accepts]: Start accepts. Automaton has 14887 states and 41179 transitions. Word has length 65 [2022-01-17 22:24:42,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:24:42,733 INFO L470 AbstractCegarLoop]: Abstraction has 14887 states and 41179 transitions. [2022-01-17 22:24:42,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:42,734 INFO L276 IsEmpty]: Start isEmpty. Operand 14887 states and 41179 transitions. [2022-01-17 22:24:42,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-17 22:24:42,741 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:24:42,741 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] [2022-01-17 22:24:42,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-17 22:24:42,742 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 22:24:42,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:24:42,743 INFO L85 PathProgramCache]: Analyzing trace with hash 2060462298, now seen corresponding path program 1 times [2022-01-17 22:24:42,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:24:42,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772041859] [2022-01-17 22:24:42,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:24:42,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:24:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:24:42,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:24:42,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:24:42,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772041859] [2022-01-17 22:24:42,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772041859] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:24:42,864 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:24:42,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-17 22:24:42,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391523266] [2022-01-17 22:24:42,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:24:42,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-17 22:24:42,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:24:42,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-17 22:24:42,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-17 22:24:42,865 INFO L87 Difference]: Start difference. First operand 14887 states and 41179 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:43,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:24:43,039 INFO L93 Difference]: Finished difference Result 22347 states and 61714 transitions. [2022-01-17 22:24:43,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-17 22:24:43,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-01-17 22:24:43,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:24:43,104 INFO L225 Difference]: With dead ends: 22347 [2022-01-17 22:24:43,104 INFO L226 Difference]: Without dead ends: 22347 [2022-01-17 22:24:43,107 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-17 22:24:43,108 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 146 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:24:43,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 642 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:24:43,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22347 states. [2022-01-17 22:24:43,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22347 to 16015. [2022-01-17 22:24:43,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16015 states, 16011 states have (on average 2.7665355068390483) internal successors, (44295), 16014 states have internal predecessors, (44295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:43,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16015 states to 16015 states and 44295 transitions. [2022-01-17 22:24:43,573 INFO L78 Accepts]: Start accepts. Automaton has 16015 states and 44295 transitions. Word has length 81 [2022-01-17 22:24:43,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:24:43,575 INFO L470 AbstractCegarLoop]: Abstraction has 16015 states and 44295 transitions. [2022-01-17 22:24:43,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:43,575 INFO L276 IsEmpty]: Start isEmpty. Operand 16015 states and 44295 transitions. [2022-01-17 22:24:43,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-01-17 22:24:43,583 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:24:43,583 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] [2022-01-17 22:24:43,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-17 22:24:43,583 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 22:24:43,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:24:43,584 INFO L85 PathProgramCache]: Analyzing trace with hash 235148469, now seen corresponding path program 1 times [2022-01-17 22:24:43,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:24:43,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401756650] [2022-01-17 22:24:43,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:24:43,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:24:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:24:43,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:24:43,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:24:43,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401756650] [2022-01-17 22:24:43,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401756650] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:24:43,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:24:43,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-17 22:24:43,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467530357] [2022-01-17 22:24:43,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:24:43,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 22:24:43,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:24:43,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 22:24:43,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:24:43,678 INFO L87 Difference]: Start difference. First operand 16015 states and 44295 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:43,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:24:43,884 INFO L93 Difference]: Finished difference Result 24457 states and 67330 transitions. [2022-01-17 22:24:43,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 22:24:43,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-01-17 22:24:43,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:24:43,936 INFO L225 Difference]: With dead ends: 24457 [2022-01-17 22:24:43,936 INFO L226 Difference]: Without dead ends: 24457 [2022-01-17 22:24:43,938 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:24:43,941 INFO L933 BasicCegarLoop]: 238 mSDtfsCounter, 103 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:24:43,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 377 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:24:43,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24457 states. [2022-01-17 22:24:44,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24457 to 22373. [2022-01-17 22:24:44,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22373 states, 22369 states have (on average 2.7695471411328176) internal successors, (61952), 22372 states have internal predecessors, (61952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:44,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22373 states to 22373 states and 61952 transitions. [2022-01-17 22:24:44,442 INFO L78 Accepts]: Start accepts. Automaton has 22373 states and 61952 transitions. Word has length 99 [2022-01-17 22:24:44,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:24:44,442 INFO L470 AbstractCegarLoop]: Abstraction has 22373 states and 61952 transitions. [2022-01-17 22:24:44,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:44,442 INFO L276 IsEmpty]: Start isEmpty. Operand 22373 states and 61952 transitions. [2022-01-17 22:24:44,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-01-17 22:24:44,452 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:24:44,452 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:24:44,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-17 22:24:44,453 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 22:24:44,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:24:44,453 INFO L85 PathProgramCache]: Analyzing trace with hash 172146190, now seen corresponding path program 1 times [2022-01-17 22:24:44,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:24:44,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959895686] [2022-01-17 22:24:44,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:24:44,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:24:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:24:44,561 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:24:44,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:24:44,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959895686] [2022-01-17 22:24:44,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959895686] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-17 22:24:44,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037083263] [2022-01-17 22:24:44,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:24:44,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-17 22:24:44,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-17 22:24:44,563 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-17 22:24:44,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-17 22:24:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:24:44,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-17 22:24:44,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-17 22:24:45,018 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:24:45,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-17 22:24:45,184 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:24:45,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037083263] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-17 22:24:45,184 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-17 22:24:45,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-01-17 22:24:45,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517483376] [2022-01-17 22:24:45,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-17 22:24:45,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-17 22:24:45,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:24:45,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-17 22:24:45,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-17 22:24:45,186 INFO L87 Difference]: Start difference. First operand 22373 states and 61952 transitions. Second operand has 10 states, 10 states have (on average 26.2) internal successors, (262), 10 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:45,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:24:45,542 INFO L93 Difference]: Finished difference Result 43271 states and 119230 transitions. [2022-01-17 22:24:45,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-17 22:24:45,551 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 26.2) internal successors, (262), 10 states have internal predecessors, (262), 0 states have call successors, (0), 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 110 [2022-01-17 22:24:45,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:24:45,651 INFO L225 Difference]: With dead ends: 43271 [2022-01-17 22:24:45,651 INFO L226 Difference]: Without dead ends: 43119 [2022-01-17 22:24:45,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=216, Unknown=0, NotChecked=0, Total=342 [2022-01-17 22:24:45,652 INFO L933 BasicCegarLoop]: 237 mSDtfsCounter, 979 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 979 SdHoareTripleChecker+Valid, 1276 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 22:24:45,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [979 Valid, 1276 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 22:24:45,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43119 states. [2022-01-17 22:24:46,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43119 to 35319. [2022-01-17 22:24:46,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35319 states, 35315 states have (on average 2.7909103780263345) internal successors, (98561), 35318 states have internal predecessors, (98561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:46,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35319 states to 35319 states and 98561 transitions. [2022-01-17 22:24:46,525 INFO L78 Accepts]: Start accepts. Automaton has 35319 states and 98561 transitions. Word has length 110 [2022-01-17 22:24:46,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:24:46,526 INFO L470 AbstractCegarLoop]: Abstraction has 35319 states and 98561 transitions. [2022-01-17 22:24:46,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 26.2) internal successors, (262), 10 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:46,526 INFO L276 IsEmpty]: Start isEmpty. Operand 35319 states and 98561 transitions. [2022-01-17 22:24:46,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-01-17 22:24:46,539 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:24:46,539 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] [2022-01-17 22:24:46,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-17 22:24:46,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-17 22:24:46,753 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 22:24:46,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:24:46,754 INFO L85 PathProgramCache]: Analyzing trace with hash -154454040, now seen corresponding path program 1 times [2022-01-17 22:24:46,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:24:46,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102673906] [2022-01-17 22:24:46,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:24:46,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:24:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:24:46,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:24:46,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:24:46,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102673906] [2022-01-17 22:24:46,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102673906] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:24:46,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:24:46,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-17 22:24:46,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902272146] [2022-01-17 22:24:46,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:24:46,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 22:24:46,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:24:46,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 22:24:46,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:24:46,791 INFO L87 Difference]: Start difference. First operand 35319 states and 98561 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:46,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:24:46,839 INFO L93 Difference]: Finished difference Result 11357 states and 29882 transitions. [2022-01-17 22:24:46,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 22:24:46,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2022-01-17 22:24:46,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:24:46,859 INFO L225 Difference]: With dead ends: 11357 [2022-01-17 22:24:46,859 INFO L226 Difference]: Without dead ends: 11319 [2022-01-17 22:24:46,859 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:24:46,860 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 78 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:24:46,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 238 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:24:46,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11319 states. [2022-01-17 22:24:47,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11319 to 9775. [2022-01-17 22:24:47,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9775 states, 9771 states have (on average 2.607102650701054) internal successors, (25474), 9774 states have internal predecessors, (25474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:47,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9775 states to 9775 states and 25474 transitions. [2022-01-17 22:24:47,135 INFO L78 Accepts]: Start accepts. Automaton has 9775 states and 25474 transitions. Word has length 113 [2022-01-17 22:24:47,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:24:47,135 INFO L470 AbstractCegarLoop]: Abstraction has 9775 states and 25474 transitions. [2022-01-17 22:24:47,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:47,135 INFO L276 IsEmpty]: Start isEmpty. Operand 9775 states and 25474 transitions. [2022-01-17 22:24:47,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-01-17 22:24:47,142 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:24:47,142 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] [2022-01-17 22:24:47,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-17 22:24:47,143 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 22:24:47,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:24:47,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1480826348, now seen corresponding path program 1 times [2022-01-17 22:24:47,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:24:47,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68387231] [2022-01-17 22:24:47,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:24:47,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:24:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:24:47,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:24:47,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:24:47,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68387231] [2022-01-17 22:24:47,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68387231] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:24:47,737 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:24:47,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-01-17 22:24:47,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061122487] [2022-01-17 22:24:47,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:24:47,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-01-17 22:24:47,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:24:47,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-01-17 22:24:47,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2022-01-17 22:24:47,738 INFO L87 Difference]: Start difference. First operand 9775 states and 25474 transitions. Second operand has 24 states, 24 states have (on average 5.083333333333333) internal successors, (122), 24 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:50,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:24:50,188 INFO L93 Difference]: Finished difference Result 24261 states and 63753 transitions. [2022-01-17 22:24:50,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-17 22:24:50,189 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 5.083333333333333) internal successors, (122), 24 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2022-01-17 22:24:50,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:24:50,227 INFO L225 Difference]: With dead ends: 24261 [2022-01-17 22:24:50,227 INFO L226 Difference]: Without dead ends: 23418 [2022-01-17 22:24:50,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 682 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=577, Invalid=2963, Unknown=0, NotChecked=0, Total=3540 [2022-01-17 22:24:50,231 INFO L933 BasicCegarLoop]: 590 mSDtfsCounter, 1255 mSDsluCounter, 7904 mSDsCounter, 0 mSdLazyCounter, 2052 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1255 SdHoareTripleChecker+Valid, 8264 SdHoareTripleChecker+Invalid, 2069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-17 22:24:50,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1255 Valid, 8264 Invalid, 2069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 2052 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-17 22:24:50,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23418 states. [2022-01-17 22:24:50,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23418 to 12562. [2022-01-17 22:24:50,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12562 states, 12558 states have (on average 2.6335403726708075) internal successors, (33072), 12561 states have internal predecessors, (33072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:50,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12562 states to 12562 states and 33072 transitions. [2022-01-17 22:24:50,563 INFO L78 Accepts]: Start accepts. Automaton has 12562 states and 33072 transitions. Word has length 122 [2022-01-17 22:24:50,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:24:50,563 INFO L470 AbstractCegarLoop]: Abstraction has 12562 states and 33072 transitions. [2022-01-17 22:24:50,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.083333333333333) internal successors, (122), 24 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:50,563 INFO L276 IsEmpty]: Start isEmpty. Operand 12562 states and 33072 transitions. [2022-01-17 22:24:50,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-01-17 22:24:50,574 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:24:50,575 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] [2022-01-17 22:24:50,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-17 22:24:50,575 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 22:24:50,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:24:50,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1207381166, now seen corresponding path program 2 times [2022-01-17 22:24:50,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:24:50,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426438240] [2022-01-17 22:24:50,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:24:50,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:24:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:24:51,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:24:51,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:24:51,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426438240] [2022-01-17 22:24:51,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426438240] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:24:51,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:24:51,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-17 22:24:51,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778353100] [2022-01-17 22:24:51,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:24:51,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-17 22:24:51,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:24:51,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-17 22:24:51,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2022-01-17 22:24:51,266 INFO L87 Difference]: Start difference. First operand 12562 states and 33072 transitions. Second operand has 28 states, 28 states have (on average 4.357142857142857) internal successors, (122), 28 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:53,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:24:53,289 INFO L93 Difference]: Finished difference Result 27373 states and 72376 transitions. [2022-01-17 22:24:53,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-17 22:24:53,289 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.357142857142857) internal successors, (122), 28 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2022-01-17 22:24:53,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:24:53,335 INFO L225 Difference]: With dead ends: 27373 [2022-01-17 22:24:53,335 INFO L226 Difference]: Without dead ends: 26740 [2022-01-17 22:24:53,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 574 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=406, Invalid=2456, Unknown=0, NotChecked=0, Total=2862 [2022-01-17 22:24:53,337 INFO L933 BasicCegarLoop]: 431 mSDtfsCounter, 1099 mSDsluCounter, 7160 mSDsCounter, 0 mSdLazyCounter, 2205 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 7350 SdHoareTripleChecker+Invalid, 2243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-17 22:24:53,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1099 Valid, 7350 Invalid, 2243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2205 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-17 22:24:53,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26740 states. [2022-01-17 22:24:53,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26740 to 13596. [2022-01-17 22:24:53,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13596 states, 13592 states have (on average 2.635741612713361) internal successors, (35825), 13595 states have internal predecessors, (35825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:53,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13596 states to 13596 states and 35825 transitions. [2022-01-17 22:24:53,605 INFO L78 Accepts]: Start accepts. Automaton has 13596 states and 35825 transitions. Word has length 122 [2022-01-17 22:24:53,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:24:53,606 INFO L470 AbstractCegarLoop]: Abstraction has 13596 states and 35825 transitions. [2022-01-17 22:24:53,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.357142857142857) internal successors, (122), 28 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:53,606 INFO L276 IsEmpty]: Start isEmpty. Operand 13596 states and 35825 transitions. [2022-01-17 22:24:53,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-01-17 22:24:53,617 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:24:53,618 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] [2022-01-17 22:24:53,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-17 22:24:53,618 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 22:24:53,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:24:53,618 INFO L85 PathProgramCache]: Analyzing trace with hash -959008282, now seen corresponding path program 3 times [2022-01-17 22:24:53,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:24:53,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374230698] [2022-01-17 22:24:53,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:24:53,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:24:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:24:54,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:24:54,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:24:54,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374230698] [2022-01-17 22:24:54,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374230698] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:24:54,430 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:24:54,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-17 22:24:54,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922111117] [2022-01-17 22:24:54,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:24:54,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-17 22:24:54,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:24:54,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-17 22:24:54,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=673, Unknown=0, NotChecked=0, Total=756 [2022-01-17 22:24:54,431 INFO L87 Difference]: Start difference. First operand 13596 states and 35825 transitions. Second operand has 28 states, 28 states have (on average 4.357142857142857) internal successors, (122), 28 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:57,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:24:57,134 INFO L93 Difference]: Finished difference Result 29271 states and 77079 transitions. [2022-01-17 22:24:57,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-17 22:24:57,136 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.357142857142857) internal successors, (122), 28 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2022-01-17 22:24:57,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:24:57,192 INFO L225 Difference]: With dead ends: 29271 [2022-01-17 22:24:57,192 INFO L226 Difference]: Without dead ends: 28458 [2022-01-17 22:24:57,193 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 943 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=628, Invalid=3662, Unknown=0, NotChecked=0, Total=4290 [2022-01-17 22:24:57,194 INFO L933 BasicCegarLoop]: 584 mSDtfsCounter, 1626 mSDsluCounter, 8287 mSDsCounter, 0 mSdLazyCounter, 2247 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1626 SdHoareTripleChecker+Valid, 8627 SdHoareTripleChecker+Invalid, 2285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-17 22:24:57,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1626 Valid, 8627 Invalid, 2285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2247 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-17 22:24:57,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28458 states. [2022-01-17 22:24:57,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28458 to 12315. [2022-01-17 22:24:57,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12315 states, 12311 states have (on average 2.630899195841118) internal successors, (32389), 12314 states have internal predecessors, (32389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:57,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12315 states to 12315 states and 32389 transitions. [2022-01-17 22:24:57,502 INFO L78 Accepts]: Start accepts. Automaton has 12315 states and 32389 transitions. Word has length 122 [2022-01-17 22:24:57,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:24:57,502 INFO L470 AbstractCegarLoop]: Abstraction has 12315 states and 32389 transitions. [2022-01-17 22:24:57,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.357142857142857) internal successors, (122), 28 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:24:57,502 INFO L276 IsEmpty]: Start isEmpty. Operand 12315 states and 32389 transitions. [2022-01-17 22:24:57,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-01-17 22:24:57,515 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:24:57,515 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:24:57,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-17 22:24:57,516 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 22:24:57,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:24:57,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1813794985, now seen corresponding path program 1 times [2022-01-17 22:24:57,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:24:57,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321714884] [2022-01-17 22:24:57,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:24:57,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:24:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:24:58,052 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:24:58,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:24:58,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321714884] [2022-01-17 22:24:58,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321714884] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-17 22:24:58,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919172488] [2022-01-17 22:24:58,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:24:58,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-17 22:24:58,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-17 22:24:58,054 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-17 22:24:58,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-17 22:24:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:24:58,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 63 conjunts are in the unsatisfiable core [2022-01-17 22:24:58,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-17 22:24:59,382 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2022-01-17 22:25:00,267 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2022-01-17 22:25:00,436 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:25:00,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-17 22:25:00,926 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2022-01-17 22:25:01,538 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-01-17 22:25:01,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919172488] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-17 22:25:01,538 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-17 22:25:01,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [26, 26] total 68 [2022-01-17 22:25:01,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951449636] [2022-01-17 22:25:01,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:25:01,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-01-17 22:25:01,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:25:01,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-01-17 22:25:01,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=4313, Unknown=0, NotChecked=0, Total=4556 [2022-01-17 22:25:01,540 INFO L87 Difference]: Start difference. First operand 12315 states and 32389 transitions. Second operand has 22 states, 22 states have (on average 7.181818181818182) internal successors, (158), 22 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:25:05,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:25:05,573 INFO L93 Difference]: Finished difference Result 32068 states and 84922 transitions. [2022-01-17 22:25:05,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-01-17 22:25:05,574 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 7.181818181818182) internal successors, (158), 22 states have internal predecessors, (158), 0 states have call successors, (0), 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 164 [2022-01-17 22:25:05,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:25:05,626 INFO L225 Difference]: With dead ends: 32068 [2022-01-17 22:25:05,627 INFO L226 Difference]: Without dead ends: 32068 [2022-01-17 22:25:05,629 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 346 SyntacticMatches, 1 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4864 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=1534, Invalid=14978, Unknown=0, NotChecked=0, Total=16512 [2022-01-17 22:25:05,630 INFO L933 BasicCegarLoop]: 666 mSDtfsCounter, 2051 mSDsluCounter, 8776 mSDsCounter, 0 mSdLazyCounter, 2336 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2051 SdHoareTripleChecker+Valid, 9207 SdHoareTripleChecker+Invalid, 2380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-17 22:25:05,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2051 Valid, 9207 Invalid, 2380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 2336 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-17 22:25:05,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32068 states. [2022-01-17 22:25:05,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32068 to 15273. [2022-01-17 22:25:05,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15273 states, 15269 states have (on average 2.6509922064313316) internal successors, (40478), 15272 states have internal predecessors, (40478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:25:05,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15273 states to 15273 states and 40478 transitions. [2022-01-17 22:25:05,921 INFO L78 Accepts]: Start accepts. Automaton has 15273 states and 40478 transitions. Word has length 164 [2022-01-17 22:25:05,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:25:05,921 INFO L470 AbstractCegarLoop]: Abstraction has 15273 states and 40478 transitions. [2022-01-17 22:25:05,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.181818181818182) internal successors, (158), 22 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:25:05,921 INFO L276 IsEmpty]: Start isEmpty. Operand 15273 states and 40478 transitions. [2022-01-17 22:25:05,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-01-17 22:25:05,936 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:25:05,936 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:25:05,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-01-17 22:25:06,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-01-17 22:25:06,152 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 22:25:06,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:25:06,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1474217689, now seen corresponding path program 2 times [2022-01-17 22:25:06,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:25:06,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924822727] [2022-01-17 22:25:06,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:25:06,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:25:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:25:06,880 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:25:06,880 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:25:06,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924822727] [2022-01-17 22:25:06,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924822727] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-17 22:25:06,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391322183] [2022-01-17 22:25:06,880 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-17 22:25:06,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-17 22:25:06,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-17 22:25:06,881 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-17 22:25:06,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-17 22:25:06,958 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-17 22:25:06,958 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-17 22:25:06,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 63 conjunts are in the unsatisfiable core [2022-01-17 22:25:06,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-17 22:25:07,080 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-17 22:25:07,081 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-17 22:25:07,095 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-17 22:25:07,096 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-17 22:25:07,865 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2022-01-17 22:25:07,927 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 54 [2022-01-17 22:25:08,625 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 23 [2022-01-17 22:25:08,779 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-01-17 22:25:08,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-17 22:25:09,296 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_244 (Array Int Int))) (not (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_244) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4))) 4294967296) 4294967294))) is different from false [2022-01-17 22:25:09,310 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-17 22:25:09,310 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 30 [2022-01-17 22:25:09,320 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-17 22:25:09,320 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-01-17 22:25:09,323 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2022-01-17 22:25:10,219 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-01-17 22:25:10,219 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-01-17 22:25:10,229 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-01-17 22:25:10,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391322183] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-17 22:25:10,229 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-17 22:25:10,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 26, 26] total 75 [2022-01-17 22:25:10,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325817489] [2022-01-17 22:25:10,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-17 22:25:10,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-01-17 22:25:10,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:25:10,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-01-17 22:25:10,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=5124, Unknown=1, NotChecked=144, Total=5550 [2022-01-17 22:25:10,232 INFO L87 Difference]: Start difference. First operand 15273 states and 40478 transitions. Second operand has 75 states, 75 states have (on average 6.026666666666666) internal successors, (452), 75 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:25:58,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:25:58,797 INFO L93 Difference]: Finished difference Result 63541 states and 163172 transitions. [2022-01-17 22:25:58,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2022-01-17 22:25:58,805 INFO L78 Accepts]: Start accepts. Automaton has has 75 states, 75 states have (on average 6.026666666666666) internal successors, (452), 75 states have internal predecessors, (452), 0 states have call successors, (0), 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 164 [2022-01-17 22:25:58,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:25:59,011 INFO L225 Difference]: With dead ends: 63541 [2022-01-17 22:25:59,012 INFO L226 Difference]: Without dead ends: 63541 [2022-01-17 22:25:59,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 632 GetRequests, 311 SyntacticMatches, 7 SemanticMatches, 314 ConstructedPredicates, 1 IntricatePredicates, 8 DeprecatedPredicates, 34087 ImplicationChecksByTransitivity, 43.9s TimeCoverageRelationStatistics Valid=13400, Invalid=85497, Unknown=17, NotChecked=626, Total=99540 [2022-01-17 22:25:59,019 INFO L933 BasicCegarLoop]: 1002 mSDtfsCounter, 15707 mSDsluCounter, 33665 mSDsCounter, 0 mSdLazyCounter, 9115 mSolverCounterSat, 602 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15707 SdHoareTripleChecker+Valid, 33759 SdHoareTripleChecker+Invalid, 11193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 602 IncrementalHoareTripleChecker+Valid, 9115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1476 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-01-17 22:25:59,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15707 Valid, 33759 Invalid, 11193 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [602 Valid, 9115 Invalid, 0 Unknown, 1476 Unchecked, 5.5s Time] [2022-01-17 22:25:59,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63541 states. [2022-01-17 22:25:59,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63541 to 16534. [2022-01-17 22:25:59,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16534 states, 16530 states have (on average 2.6630973986690867) internal successors, (44021), 16533 states have internal predecessors, (44021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:25:59,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16534 states to 16534 states and 44021 transitions. [2022-01-17 22:25:59,480 INFO L78 Accepts]: Start accepts. Automaton has 16534 states and 44021 transitions. Word has length 164 [2022-01-17 22:25:59,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:25:59,481 INFO L470 AbstractCegarLoop]: Abstraction has 16534 states and 44021 transitions. [2022-01-17 22:25:59,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 6.026666666666666) internal successors, (452), 75 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:25:59,481 INFO L276 IsEmpty]: Start isEmpty. Operand 16534 states and 44021 transitions. [2022-01-17 22:25:59,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-01-17 22:25:59,498 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:25:59,498 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:25:59,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-17 22:25:59,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-17 22:25:59,707 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 22:25:59,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:25:59,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1324549368, now seen corresponding path program 2 times [2022-01-17 22:25:59,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:25:59,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905978986] [2022-01-17 22:25:59,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:25:59,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:25:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:25:59,773 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 12 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:25:59,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:25:59,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905978986] [2022-01-17 22:25:59,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905978986] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-17 22:25:59,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587041361] [2022-01-17 22:25:59,774 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-17 22:25:59,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-17 22:25:59,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-17 22:25:59,775 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-17 22:25:59,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-17 22:25:59,880 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-17 22:25:59,880 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-17 22:25:59,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-17 22:25:59,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-17 22:26:00,138 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 12 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:26:00,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-17 22:26:00,389 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 12 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:26:00,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587041361] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-17 22:26:00,389 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-17 22:26:00,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 13 [2022-01-17 22:26:00,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832221811] [2022-01-17 22:26:00,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-17 22:26:00,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-01-17 22:26:00,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:26:00,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-01-17 22:26:00,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-01-17 22:26:00,390 INFO L87 Difference]: Start difference. First operand 16534 states and 44021 transitions. Second operand has 13 states, 13 states have (on average 25.307692307692307) internal successors, (329), 13 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:26:00,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:26:00,585 INFO L93 Difference]: Finished difference Result 26311 states and 69356 transitions. [2022-01-17 22:26:00,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-17 22:26:00,586 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 25.307692307692307) internal successors, (329), 13 states have internal predecessors, (329), 0 states have call successors, (0), 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 194 [2022-01-17 22:26:00,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:26:00,628 INFO L225 Difference]: With dead ends: 26311 [2022-01-17 22:26:00,628 INFO L226 Difference]: Without dead ends: 26311 [2022-01-17 22:26:00,628 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 383 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=176, Invalid=330, Unknown=0, NotChecked=0, Total=506 [2022-01-17 22:26:00,629 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 675 mSDsluCounter, 1348 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 1486 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 22:26:00,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [675 Valid, 1486 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 22:26:00,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26311 states. [2022-01-17 22:26:00,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26311 to 21574. [2022-01-17 22:26:00,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21574 states, 21570 states have (on average 2.6575336114974504) internal successors, (57323), 21573 states have internal predecessors, (57323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:26:00,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21574 states to 21574 states and 57323 transitions. [2022-01-17 22:26:00,944 INFO L78 Accepts]: Start accepts. Automaton has 21574 states and 57323 transitions. Word has length 194 [2022-01-17 22:26:00,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:26:00,944 INFO L470 AbstractCegarLoop]: Abstraction has 21574 states and 57323 transitions. [2022-01-17 22:26:00,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 25.307692307692307) internal successors, (329), 13 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:26:00,945 INFO L276 IsEmpty]: Start isEmpty. Operand 21574 states and 57323 transitions. [2022-01-17 22:26:00,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-17 22:26:00,964 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:26:00,964 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:26:00,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-17 22:26:01,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-17 22:26:01,180 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 22:26:01,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:26:01,181 INFO L85 PathProgramCache]: Analyzing trace with hash 893496526, now seen corresponding path program 1 times [2022-01-17 22:26:01,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:26:01,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916247622] [2022-01-17 22:26:01,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:26:01,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:26:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:26:01,863 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:26:01,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:26:01,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916247622] [2022-01-17 22:26:01,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916247622] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-17 22:26:01,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676064230] [2022-01-17 22:26:01,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:26:01,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-17 22:26:01,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-17 22:26:01,864 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-17 22:26:01,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-17 22:26:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:26:01,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 86 conjunts are in the unsatisfiable core [2022-01-17 22:26:01,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-17 22:26:02,762 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2022-01-17 22:26:03,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-17 22:26:03,693 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 38 [2022-01-17 22:26:05,161 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2022-01-17 22:26:05,334 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 5 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:26:05,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-17 22:26:30,030 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-17 22:26:30,030 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 36 [2022-01-17 22:26:30,036 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-17 22:26:30,037 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 40 [2022-01-17 22:26:30,053 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 42 [2022-01-17 22:26:30,070 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-17 22:26:30,071 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 67 [2022-01-17 22:26:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:26:31,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676064230] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-17 22:26:31,038 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-17 22:26:31,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 34, 33] total 92 [2022-01-17 22:26:31,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377914595] [2022-01-17 22:26:31,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-17 22:26:31,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2022-01-17 22:26:31,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:26:31,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2022-01-17 22:26:31,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=697, Invalid=7654, Unknown=21, NotChecked=0, Total=8372 [2022-01-17 22:26:31,040 INFO L87 Difference]: Start difference. First operand 21574 states and 57323 transitions. Second operand has 92 states, 92 states have (on average 6.195652173913044) internal successors, (570), 92 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:27:30,357 WARN L228 SmtUtils]: Spent 6.01s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-17 22:27:50,611 WARN L228 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 68 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-17 22:29:07,644 WARN L228 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 60 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-17 22:29:23,963 WARN L228 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-17 22:31:05,059 WARN L228 SmtUtils]: Spent 5.98s on a formula simplification that was a NOOP. DAG size: 66 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-17 22:31:31,344 WARN L228 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 78 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-17 22:31:31,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:31:31,776 INFO L93 Difference]: Finished difference Result 82280 states and 216218 transitions. [2022-01-17 22:31:31,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2022-01-17 22:31:31,776 INFO L78 Accepts]: Start accepts. Automaton has has 92 states, 92 states have (on average 6.195652173913044) internal successors, (570), 92 states have internal predecessors, (570), 0 states have call successors, (0), 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 199 [2022-01-17 22:31:31,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:31:31,932 INFO L225 Difference]: With dead ends: 82280 [2022-01-17 22:31:31,932 INFO L226 Difference]: Without dead ends: 81566 [2022-01-17 22:31:31,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 615 GetRequests, 340 SyntacticMatches, 22 SemanticMatches, 253 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25616 ImplicationChecksByTransitivity, 321.8s TimeCoverageRelationStatistics Valid=6028, Invalid=58606, Unknown=136, NotChecked=0, Total=64770 [2022-01-17 22:31:31,934 INFO L933 BasicCegarLoop]: 1035 mSDtfsCounter, 5601 mSDsluCounter, 36339 mSDsCounter, 0 mSdLazyCounter, 7316 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5601 SdHoareTripleChecker+Valid, 35991 SdHoareTripleChecker+Invalid, 11757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 7316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4332 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-01-17 22:31:31,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5601 Valid, 35991 Invalid, 11757 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [109 Valid, 7316 Invalid, 0 Unknown, 4332 Unchecked, 3.6s Time] [2022-01-17 22:31:32,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81566 states. [2022-01-17 22:31:32,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81566 to 43229. [2022-01-17 22:31:32,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43229 states, 43225 states have (on average 2.7627993059572007) internal successors, (119422), 43228 states have internal predecessors, (119422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:31:32,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43229 states to 43229 states and 119422 transitions. [2022-01-17 22:31:32,937 INFO L78 Accepts]: Start accepts. Automaton has 43229 states and 119422 transitions. Word has length 199 [2022-01-17 22:31:32,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:31:32,937 INFO L470 AbstractCegarLoop]: Abstraction has 43229 states and 119422 transitions. [2022-01-17 22:31:32,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 6.195652173913044) internal successors, (570), 92 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:31:32,937 INFO L276 IsEmpty]: Start isEmpty. Operand 43229 states and 119422 transitions. [2022-01-17 22:31:32,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-17 22:31:32,968 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:31:32,969 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:31:32,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-17 22:31:33,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-01-17 22:31:33,176 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-17 22:31:33,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:31:33,176 INFO L85 PathProgramCache]: Analyzing trace with hash 63873104, now seen corresponding path program 2 times [2022-01-17 22:31:33,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:31:33,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169531645] [2022-01-17 22:31:33,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:31:33,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:31:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:31:34,035 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:31:34,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:31:34,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169531645] [2022-01-17 22:31:34,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169531645] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-17 22:31:34,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359365170] [2022-01-17 22:31:34,036 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-17 22:31:34,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-17 22:31:34,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-17 22:31:34,037 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-17 22:31:34,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-17 22:31:34,156 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-17 22:31:34,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-17 22:31:34,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 89 conjunts are in the unsatisfiable core [2022-01-17 22:31:34,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-17 22:31:34,298 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-17 22:31:34,299 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-01-17 22:31:34,322 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-17 22:31:34,323 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-17 22:31:34,991 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-01-17 22:31:35,039 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-01-17 22:31:35,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-17 22:31:35,897 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2022-01-17 22:31:36,869 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-01-17 22:31:37,003 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:31:37,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-17 22:31:39,697 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_47| Int)) (or (forall ((v_ArrVal_422 Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_47| 4) |c_t1Thread1of1ForFork0_push_~stack#1.offset|) v_ArrVal_422)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (- 4) (* c_~top~0 4))) 4294967296) 4294967294))) (not (<= |c_t1Thread1of1ForFork0_get_top_#res#1| |v_t1Thread1of1ForFork0_push_#t~ret35#1_47|)))) is different from false [2022-01-17 22:32:14,937 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_420 (Array Int Int))) (not (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_420) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4))) 4294967296) 4294967294))) is different from false [2022-01-17 22:32:14,943 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-17 22:32:14,943 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 30 [2022-01-17 22:32:14,950 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-17 22:32:14,951 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-01-17 22:32:14,954 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2022-01-17 22:32:15,786 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-01-17 22:32:15,786 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-01-17 22:32:15,831 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-01-17 22:32:15,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359365170] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-17 22:32:15,831 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-17 22:32:15,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 35, 33] total 93 [2022-01-17 22:32:15,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78673644] [2022-01-17 22:32:15,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-17 22:32:15,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2022-01-17 22:32:15,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:32:15,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2022-01-17 22:32:15,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=7778, Unknown=14, NotChecked=358, Total=8556 [2022-01-17 22:32:15,834 INFO L87 Difference]: Start difference. First operand 43229 states and 119422 transitions. Second operand has 93 states, 93 states have (on average 5.709677419354839) internal successors, (531), 93 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:32:21,246 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (* c_~top~0 4))) (let ((.cse3 (* |c_t1Thread1of1ForFork0_get_top_#res#1| 4)) (.cse2 (select (select |c_#memory_int| |c_~#arr~0.base|) 0)) (.cse4 (+ |c_~#arr~0.offset| .cse0)) (.cse5 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) 0)) (.cse1 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) 0))) (and (= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| 0) (<= 4 .cse0) (<= 0 .cse1) (<= .cse2 4) (<= 4 .cse3) (= (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse3) .cse4) (<= .cse5 4) (= (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse0) .cse4) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (<= c_~top~0 1) (not (= (mod (+ |c_t1Thread1of1ForFork0_push_#in~x#1| 2) 4294967296) 0)) (<= 0 .cse2) (<= c_~top~0 |c_t1Thread1of1ForFork0_get_top_#res#1|) (= |c_~#arr~0.offset| 0) (not (= (mod (+ 2 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) 4294967296) 0)) (= (+ (- 1) c_~top~0) 0) (<= 1 c_~top~0) (= (+ .cse0 |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) .cse4) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (<= 0 .cse5) (not (= (mod (+ |c_t1Thread1of1ForFork0_push_~x#1| 2) 4294967296) 0)) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (not (= |c_ULTIMATE.start_main_~#id2~0#1.base| |c_~#arr~0.base|)) (= 5 |c_~#arr~0.base|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (<= .cse1 4) (not (= (select |c_#valid| |c_~#arr~0.base|) 0)) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_47| Int)) (or (forall ((v_ArrVal_422 Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_47| 4) |c_t1Thread1of1ForFork0_push_~stack#1.offset|) v_ArrVal_422)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (- 4) (* c_~top~0 4))) 4294967296) 4294967294))) (not (<= |c_t1Thread1of1ForFork0_get_top_#res#1| |v_t1Thread1of1ForFork0_push_#t~ret35#1_47|))))))) is different from false [2022-01-17 22:32:23,336 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| |c_~#arr~0.base|))) (let ((.cse0 (select .cse2 0))) (and (<= .cse0 4) (let ((.cse1 (* c_~top~0 4))) (= (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse1) (+ |c_~#arr~0.offset| .cse1))) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (<= 0 .cse0) (= |c_~#arr~0.offset| 0) (not (= (mod (select .cse2 (+ (* 4 |c_t1Thread1of1ForFork0_inc_top_#t~post31#1|) |c_~#arr~0.offset|)) 4294967296) 4294967294)) (= |c_t1Thread1of1ForFork0_inc_top_#t~post31#1| 1) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_47| Int) (v_ArrVal_422 Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_47| c_~top~0) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_47| 4) |c_t1Thread1of1ForFork0_push_~stack#1.offset|) v_ArrVal_422)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (- 4) (* c_~top~0 4))) 4294967296) 4294967294)))) (= (+ (- 1) c_~top~0) 1) (not (= (mod (+ |c_t1Thread1of1ForFork0_push_~x#1| 2) 4294967296) 0)) (not (= |c_ULTIMATE.start_main_~#id2~0#1.base| |c_~#arr~0.base|)) (= 5 |c_~#arr~0.base|)))) is different from false [2022-01-17 22:32:23,963 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| |c_~#arr~0.base|) 0))) (and (<= .cse0 4) (let ((.cse1 (* c_~top~0 4))) (= (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse1) (+ |c_~#arr~0.offset| .cse1))) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (<= 0 .cse0) (= |c_~#arr~0.offset| 0) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_47| Int) (v_ArrVal_422 Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_47| c_~top~0) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_47| 4) |c_t1Thread1of1ForFork0_push_~stack#1.offset|) v_ArrVal_422)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (- 4) (* c_~top~0 4))) 4294967296) 4294967294)))) (= (+ (- 1) c_~top~0) 1) (not (= (mod (+ |c_t1Thread1of1ForFork0_push_~x#1| 2) 4294967296) 0)) (not (= |c_ULTIMATE.start_main_~#id2~0#1.base| |c_~#arr~0.base|)) (= 5 |c_~#arr~0.base|))) is different from false [2022-01-17 22:32:49,730 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (* c_~top~0 4))) (let ((.cse1 (+ |c_~#arr~0.offset| .cse0))) (and (= (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse0) .cse1) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (not (= (mod (+ |c_t1Thread1of1ForFork0_push_#in~x#1| 2) 4294967296) 0)) (not (= (mod (+ 2 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) 4294967296) 0)) (not (= (mod (select (select |c_#memory_int| |c_~#arr~0.base|) (+ (* 4 |c_t1Thread1of1ForFork0_inc_top_#t~post31#1|) |c_~#arr~0.offset|)) 4294967296) 4294967294)) (= (+ .cse0 |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) .cse1) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_47| Int) (v_ArrVal_422 Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_47| c_~top~0) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_47| 4) |c_t1Thread1of1ForFork0_push_~stack#1.offset|) v_ArrVal_422)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (- 4) (* c_~top~0 4))) 4294967296) 4294967294)))) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_47| Int) (|v_t1Thread1of1ForFork0_push_~stack#1.offset_35| Int) (v_ArrVal_422 Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_47| c_~top~0) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_47| 4) |v_t1Thread1of1ForFork0_push_~stack#1.offset_35|) v_ArrVal_422)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (- 4) (* c_~top~0 4))) 4294967296) 4294967294)) (not (<= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| |v_t1Thread1of1ForFork0_push_~stack#1.offset_35|)))) (not (= (mod (+ |c_t1Thread1of1ForFork0_push_~x#1| 2) 4294967296) 0)) (not (= |c_ULTIMATE.start_main_~#id2~0#1.base| |c_~#arr~0.base|))))) is different from false [2022-01-17 22:33:55,291 WARN L228 SmtUtils]: Spent 22.49s on a formula simplification. DAG size of input: 72 DAG size of output: 58 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-17 22:33:57,274 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (* c_~top~0 4))) (let ((.cse1 (+ |c_~#arr~0.offset| .cse0))) (and (= (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse0) .cse1) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (not (= (mod (+ |c_t1Thread1of1ForFork0_push_#in~x#1| 2) 4294967296) 0)) (not (= (mod (+ 2 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) 4294967296) 0)) (not (= (mod (select (select |c_#memory_int| |c_~#arr~0.base|) (+ (* 4 |c_t1Thread1of1ForFork0_inc_top_#t~post31#1|) |c_~#arr~0.offset|)) 4294967296) 4294967294)) (= (+ .cse0 |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) .cse1) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_47| Int) (v_ArrVal_422 Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_47| c_~top~0) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_47| 4) |c_t1Thread1of1ForFork0_push_~stack#1.offset|) v_ArrVal_422)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (- 4) (* c_~top~0 4))) 4294967296) 4294967294)))) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret35#1_47| Int) (|v_t1Thread1of1ForFork0_push_~stack#1.offset_35| Int) (v_ArrVal_422 Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret35#1_47| c_~top~0) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret35#1_47| 4) |v_t1Thread1of1ForFork0_push_~stack#1.offset_35|) v_ArrVal_422)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (- 4) (* c_~top~0 4))) 4294967296) 4294967294)) (not (<= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| |v_t1Thread1of1ForFork0_push_~stack#1.offset_35|)))) (not (= (mod (+ |c_t1Thread1of1ForFork0_push_~x#1| 2) 4294967296) 0)) (not (= |c_ULTIMATE.start_main_~#id2~0#1.base| |c_~#arr~0.base|)) (= 5 |c_~#arr~0.base|)))) is different from false [2022-01-17 22:35:30,361 WARN L228 SmtUtils]: Spent 27.22s on a formula simplification. DAG size of input: 74 DAG size of output: 60 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-17 22:36:42,749 WARN L228 SmtUtils]: Spent 19.50s on a formula simplification. DAG size of input: 66 DAG size of output: 52 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-17 22:37:47,153 WARN L228 SmtUtils]: Spent 30.93s on a formula simplification. DAG size of input: 76 DAG size of output: 61 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-17 22:38:54,955 WARN L228 SmtUtils]: Spent 22.05s on a formula simplification. DAG size of input: 68 DAG size of output: 54 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2022-01-17 22:38:56,959 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-17 22:38:56,959 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-17 22:38:57,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-01-17 22:38:57,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 578 GetRequests, 336 SyntacticMatches, 12 SemanticMatches, 229 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 17480 ImplicationChecksByTransitivity, 433.5s TimeCoverageRelationStatistics Valid=3661, Invalid=46112, Unknown=207, NotChecked=3150, Total=53130 [2022-01-17 22:38:57,210 INFO L933 BasicCegarLoop]: 965 mSDtfsCounter, 6721 mSDsluCounter, 35887 mSDsCounter, 0 mSdLazyCounter, 8563 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6721 SdHoareTripleChecker+Valid, 35666 SdHoareTripleChecker+Invalid, 11870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 8563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3068 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:57,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6721 Valid, 35666 Invalid, 11870 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [239 Valid, 8563 Invalid, 0 Unknown, 3068 Unchecked, 4.5s Time] [2022-01-17 22:38:57,212 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-01-17 22:38:57,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-17 22:38:57,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-17 22:38:57,423 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was constructing difference of abstraction (43229states) and FLOYD_HOARE automaton (currently 154 states, 93 states before enhancement),while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 231 known predicates. [2022-01-17 22:38:57,425 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 6 remaining) [2022-01-17 22:38:57,425 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 6 remaining) [2022-01-17 22:38:57,425 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-01-17 22:38:57,425 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-01-17 22:38:57,425 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-01-17 22:38:57,427 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 1, 1, 1, 1] [2022-01-17 22:38:57,429 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-17 22:38:57,429 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-17 22:38:57,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.01 10:38:57 BasicIcfg [2022-01-17 22:38:57,432 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-17 22:38:57,433 INFO L158 Benchmark]: Toolchain (without parser) took 857332.04ms. Allocated memory was 352.3MB in the beginning and 7.5GB in the end (delta: 7.1GB). Free memory was 300.8MB in the beginning and 5.8GB in the end (delta: -5.5GB). Peak memory consumption was 1.6GB. Max. memory is 16.0GB. [2022-01-17 22:38:57,433 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 352.3MB. Free memory is still 319.0MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-17 22:38:57,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.48ms. Allocated memory is still 352.3MB. Free memory was 300.6MB in the beginning and 308.0MB in the end (delta: -7.3MB). Peak memory consumption was 18.3MB. Max. memory is 16.0GB. [2022-01-17 22:38:57,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.38ms. Allocated memory is still 352.3MB. Free memory was 308.0MB in the beginning and 305.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-17 22:38:57,433 INFO L158 Benchmark]: Boogie Preprocessor took 36.82ms. Allocated memory is still 352.3MB. Free memory was 305.2MB in the beginning and 303.2MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2022-01-17 22:38:57,433 INFO L158 Benchmark]: RCFGBuilder took 381.93ms. Allocated memory is still 352.3MB. Free memory was 303.2MB in the beginning and 287.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2022-01-17 22:38:57,434 INFO L158 Benchmark]: TraceAbstraction took 856388.26ms. Allocated memory was 352.3MB in the beginning and 7.5GB in the end (delta: 7.1GB). Free memory was 287.5MB in the beginning and 5.8GB in the end (delta: -5.5GB). Peak memory consumption was 1.6GB. Max. memory is 16.0GB. [2022-01-17 22:38:57,434 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 352.3MB. Free memory is still 319.0MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 468.48ms. Allocated memory is still 352.3MB. Free memory was 300.6MB in the beginning and 308.0MB in the end (delta: -7.3MB). Peak memory consumption was 18.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 52.38ms. Allocated memory is still 352.3MB. Free memory was 308.0MB in the beginning and 305.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 36.82ms. Allocated memory is still 352.3MB. Free memory was 305.2MB in the beginning and 303.2MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 381.93ms. Allocated memory is still 352.3MB. Free memory was 303.2MB in the beginning and 287.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 856388.26ms. Allocated memory was 352.3MB in the beginning and 7.5GB in the end (delta: 7.1GB). Free memory was 287.5MB in the beginning and 5.8GB in the end (delta: -5.5GB). Peak memory consumption was 1.6GB. 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: 941]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (43229states) and FLOYD_HOARE automaton (currently 154 states, 93 states before enhancement),while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 231 known predicates. - TimeoutResultAtElement [Line: 1022]: 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 (43229states) and FLOYD_HOARE automaton (currently 154 states, 93 states before enhancement),while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 231 known predicates. - TimeoutResultAtElement [Line: 1023]: 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 (43229states) and FLOYD_HOARE automaton (currently 154 states, 93 states before enhancement),while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 231 known predicates. - TimeoutResultAtElement [Line: 941]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (43229states) and FLOYD_HOARE automaton (currently 154 states, 93 states before enhancement),while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 231 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 276 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 856.2s, OverallIterations: 13, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.2s, AutomataDifference: 764.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36121 SdHoareTripleChecker+Valid, 17.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36121 mSDsluCounter, 143159 SdHoareTripleChecker+Invalid, 15.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 8876 IncrementalHoareTripleChecker+Unchecked, 141110 mSDsCounter, 1126 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34218 IncrementalHoareTripleChecker+Invalid, 44220 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1126 mSolverCounterUnsat, 6535 mSDtfsCounter, 34218 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3132 GetRequests, 1947 SyntacticMatches, 43 SemanticMatches, 1141 ConstructedPredicates, 8 IntricatePredicates, 8 DeprecatedPredicates, 84391 ImplicationChecksByTransitivity, 808.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43229occurred in iteration=12, InterpolantAutomatonStates: 664, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 165303 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 83.5s InterpolantComputationTime, 2784 NumberOfCodeBlocks, 2738 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 3789 ConstructedInterpolants, 94 QuantifiedInterpolants, 49285 SizeOfPredicates, 159 NumberOfNonLiveVariables, 2135 ConjunctsInSsa, 313 ConjunctsInUnsatCore, 25 InterpolantComputations, 8 PerfectInterpolantSequences, 139/1290 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