/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 11:47:25,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 11:47:25,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 11:47:25,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 11:47:25,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 11:47:25,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 11:47:25,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 11:47:25,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 11:47:25,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 11:47:25,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 11:47:25,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 11:47:25,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 11:47:25,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 11:47:25,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 11:47:25,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 11:47:25,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 11:47:25,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 11:47:25,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 11:47:25,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 11:47:25,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 11:47:25,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 11:47:25,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 11:47:25,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 11:47:25,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 11:47:25,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 11:47:25,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-18 11:47:25,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-18 11:47:25,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-18 11:47:25,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-18 11:47:25,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-18 11:47:25,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-18 11:47:25,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-18 11:47:25,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-18 11:47:25,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 11:47:25,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 11:47:25,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 11:47:25,653 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2022-01-18 11:47:25,676 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 11:47:25,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 11:47:25,677 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 11:47:25,677 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 11:47:25,677 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 11:47:25,677 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 11:47:25,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 11:47:25,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 11:47:25,678 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 11:47:25,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 11:47:25,679 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 11:47:25,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 11:47:25,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 11:47:25,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 11:47:25,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 11:47:25,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 11:47:25,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 11:47:25,679 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 11:47:25,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 11:47:25,680 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 11:47:25,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 11:47:25,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 11:47:25,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 11:47:25,680 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 11:47:25,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 11:47:25,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 11:47:25,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 11:47:25,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 11:47:25,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 11:47:25,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 11:47:25,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 11:47:25,681 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 11:47:25,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 11:47:25,682 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 11:47:25,682 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 11:47:25,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 11:47:25,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 11:47:25,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 11:47:25,855 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 11:47:25,856 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 11:47:25,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c [2022-01-18 11:47:25,902 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e1e17532/0c931903a67c47a79300fa26d3e8b4e9/FLAGc8cfd4a2c [2022-01-18 11:47:26,216 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 11:47:26,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c [2022-01-18 11:47:26,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e1e17532/0c931903a67c47a79300fa26d3e8b4e9/FLAGc8cfd4a2c [2022-01-18 11:47:26,627 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e1e17532/0c931903a67c47a79300fa26d3e8b4e9 [2022-01-18 11:47:26,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 11:47:26,629 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 11:47:26,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 11:47:26,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 11:47:26,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 11:47:26,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 11:47:26" (1/1) ... [2022-01-18 11:47:26,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413d30c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:47:26, skipping insertion in model container [2022-01-18 11:47:26,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 11:47:26" (1/1) ... [2022-01-18 11:47:26,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 11:47:26,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 11:47:26,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c[3526,3539] [2022-01-18 11:47:26,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 11:47:26,839 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 11:47:26,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c[3526,3539] [2022-01-18 11:47:26,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 11:47:26,862 INFO L208 MainTranslator]: Completed translation [2022-01-18 11:47:26,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:47:26 WrapperNode [2022-01-18 11:47:26,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 11:47:26,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 11:47:26,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 11:47:26,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 11:47:26,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:47:26" (1/1) ... [2022-01-18 11:47:26,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:47:26" (1/1) ... [2022-01-18 11:47:26,908 INFO L137 Inliner]: procedures = 23, calls = 70, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 198 [2022-01-18 11:47:26,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 11:47:26,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 11:47:26,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 11:47:26,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 11:47:26,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:47:26" (1/1) ... [2022-01-18 11:47:26,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:47:26" (1/1) ... [2022-01-18 11:47:26,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:47:26" (1/1) ... [2022-01-18 11:47:26,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:47:26" (1/1) ... [2022-01-18 11:47:26,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:47:26" (1/1) ... [2022-01-18 11:47:26,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:47:26" (1/1) ... [2022-01-18 11:47:26,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:47:26" (1/1) ... [2022-01-18 11:47:26,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 11:47:26,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 11:47:26,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 11:47:26,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 11:47:26,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:47:26" (1/1) ... [2022-01-18 11:47:26,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 11:47:26,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 11:47:26,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 11:47:26,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 11:47:27,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 11:47:27,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 11:47:27,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 11:47:27,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 11:47:27,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 11:47:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-18 11:47:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-18 11:47:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-01-18 11:47:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-01-18 11:47:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 11:47:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 11:47:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 11:47:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-18 11:47:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-18 11:47:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 11:47:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 11:47:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 11:47:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 11:47:27,003 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 11:47:27,057 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 11:47:27,058 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 11:47:27,332 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 11:47:27,420 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 11:47:27,420 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 11:47:27,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 11:47:27 BoogieIcfgContainer [2022-01-18 11:47:27,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 11:47:27,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 11:47:27,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 11:47:27,426 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 11:47:27,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 11:47:26" (1/3) ... [2022-01-18 11:47:27,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55ef403a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 11:47:27, skipping insertion in model container [2022-01-18 11:47:27,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:47:26" (2/3) ... [2022-01-18 11:47:27,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55ef403a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 11:47:27, skipping insertion in model container [2022-01-18 11:47:27,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 11:47:27" (3/3) ... [2022-01-18 11:47:27,428 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-ticket-4.wvr.c [2022-01-18 11:47:27,432 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 11:47:27,432 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 11:47:27,432 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 11:47:27,433 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 11:47:27,483 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,483 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,485 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,486 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,486 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,486 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,486 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,487 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,487 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,487 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,487 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,488 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,489 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,489 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,489 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,490 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,490 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,490 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,490 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,490 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,491 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,491 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,491 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,492 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,492 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,492 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,492 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,492 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,492 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,493 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,493 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,493 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,493 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,493 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,493 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,494 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,494 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,494 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,494 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,495 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,495 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,497 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,498 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,498 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,498 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,498 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,498 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,500 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,500 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,500 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,500 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,501 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,501 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,501 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,501 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,501 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,502 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,502 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,502 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,503 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,503 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,503 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,503 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 11:47:27,513 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-01-18 11:47:27,538 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 11:47:27,543 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 11:47:27,543 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-01-18 11:47:27,550 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 153 places, 142 transitions, 316 flow [2022-01-18 11:47:28,050 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 14977 states, 14976 states have (on average 3.9859107905982905) internal successors, (59693), 14976 states have internal predecessors, (59693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:28,090 INFO L276 IsEmpty]: Start isEmpty. Operand has 14977 states, 14976 states have (on average 3.9859107905982905) internal successors, (59693), 14976 states have internal predecessors, (59693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:28,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-18 11:47:28,180 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:28,180 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] [2022-01-18 11:47:28,182 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 11:47:28,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:28,188 INFO L85 PathProgramCache]: Analyzing trace with hash 935568246, now seen corresponding path program 1 times [2022-01-18 11:47:28,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:28,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578134829] [2022-01-18 11:47:28,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:28,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:28,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:28,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:28,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578134829] [2022-01-18 11:47:28,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578134829] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:28,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:28,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 11:47:28,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466851411] [2022-01-18 11:47:28,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:28,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 11:47:28,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:28,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 11:47:28,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-01-18 11:47:28,650 INFO L87 Difference]: Start difference. First operand has 14977 states, 14976 states have (on average 3.9859107905982905) internal successors, (59693), 14976 states have internal predecessors, (59693), 0 states have call successors, (0), 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 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:29,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:29,181 INFO L93 Difference]: Finished difference Result 35619 states and 139772 transitions. [2022-01-18 11:47:29,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 11:47:29,184 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-01-18 11:47:29,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:29,603 INFO L225 Difference]: With dead ends: 35619 [2022-01-18 11:47:29,603 INFO L226 Difference]: Without dead ends: 35616 [2022-01-18 11:47:29,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:47:29,606 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 205 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:29,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 509 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:47:29,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35616 states. [2022-01-18 11:47:30,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35616 to 19464. [2022-01-18 11:47:30,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19464 states, 19463 states have (on average 3.9024816318142115) internal successors, (75954), 19463 states have internal predecessors, (75954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:30,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19464 states to 19464 states and 75954 transitions. [2022-01-18 11:47:30,736 INFO L78 Accepts]: Start accepts. Automaton has 19464 states and 75954 transitions. Word has length 121 [2022-01-18 11:47:30,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:30,737 INFO L470 AbstractCegarLoop]: Abstraction has 19464 states and 75954 transitions. [2022-01-18 11:47:30,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:30,737 INFO L276 IsEmpty]: Start isEmpty. Operand 19464 states and 75954 transitions. [2022-01-18 11:47:30,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-18 11:47:30,852 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:30,852 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] [2022-01-18 11:47:30,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 11:47:30,853 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 11:47:30,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:30,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1465349838, now seen corresponding path program 2 times [2022-01-18 11:47:30,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:30,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969906676] [2022-01-18 11:47:30,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:30,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:31,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:31,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:31,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969906676] [2022-01-18 11:47:31,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969906676] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:31,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:31,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-01-18 11:47:31,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15936237] [2022-01-18 11:47:31,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:31,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-18 11:47:31,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:31,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-18 11:47:31,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-01-18 11:47:31,255 INFO L87 Difference]: Start difference. First operand 19464 states and 75954 transitions. Second operand has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 12 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:31,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:31,818 INFO L93 Difference]: Finished difference Result 28479 states and 109993 transitions. [2022-01-18 11:47:31,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-18 11:47:31,820 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 12 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-01-18 11:47:31,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:31,886 INFO L225 Difference]: With dead ends: 28479 [2022-01-18 11:47:31,886 INFO L226 Difference]: Without dead ends: 18193 [2022-01-18 11:47:31,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2022-01-18 11:47:31,890 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 341 mSDsluCounter, 880 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:31,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [341 Valid, 896 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 11:47:31,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18193 states. [2022-01-18 11:47:32,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18193 to 18069. [2022-01-18 11:47:32,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18069 states, 18068 states have (on average 3.8922404250608813) internal successors, (70325), 18068 states have internal predecessors, (70325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:32,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18069 states to 18069 states and 70325 transitions. [2022-01-18 11:47:32,560 INFO L78 Accepts]: Start accepts. Automaton has 18069 states and 70325 transitions. Word has length 121 [2022-01-18 11:47:32,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:32,560 INFO L470 AbstractCegarLoop]: Abstraction has 18069 states and 70325 transitions. [2022-01-18 11:47:32,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 12 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:32,561 INFO L276 IsEmpty]: Start isEmpty. Operand 18069 states and 70325 transitions. [2022-01-18 11:47:32,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-18 11:47:32,604 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:32,604 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] [2022-01-18 11:47:32,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 11:47:32,605 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 11:47:32,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:32,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1201045130, now seen corresponding path program 3 times [2022-01-18 11:47:32,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:32,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219323031] [2022-01-18 11:47:32,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:32,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:32,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:32,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:32,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219323031] [2022-01-18 11:47:32,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219323031] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:32,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:32,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 11:47:32,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616361284] [2022-01-18 11:47:32,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:32,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 11:47:32,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:32,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 11:47:32,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-01-18 11:47:32,731 INFO L87 Difference]: Start difference. First operand 18069 states and 70325 transitions. Second operand has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:33,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:33,114 INFO L93 Difference]: Finished difference Result 34787 states and 134609 transitions. [2022-01-18 11:47:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 11:47:33,115 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-01-18 11:47:33,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:33,290 INFO L225 Difference]: With dead ends: 34787 [2022-01-18 11:47:33,290 INFO L226 Difference]: Without dead ends: 34787 [2022-01-18 11:47:33,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:47:33,291 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 148 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:33,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 599 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:47:33,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34787 states. [2022-01-18 11:47:33,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34787 to 19898. [2022-01-18 11:47:33,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19898 states, 19897 states have (on average 3.827260391013721) internal successors, (76151), 19897 states have internal predecessors, (76151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:34,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19898 states to 19898 states and 76151 transitions. [2022-01-18 11:47:34,106 INFO L78 Accepts]: Start accepts. Automaton has 19898 states and 76151 transitions. Word has length 121 [2022-01-18 11:47:34,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:34,106 INFO L470 AbstractCegarLoop]: Abstraction has 19898 states and 76151 transitions. [2022-01-18 11:47:34,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:34,106 INFO L276 IsEmpty]: Start isEmpty. Operand 19898 states and 76151 transitions. [2022-01-18 11:47:34,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-18 11:47:34,145 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:34,146 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] [2022-01-18 11:47:34,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 11:47:34,146 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 11:47:34,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:34,147 INFO L85 PathProgramCache]: Analyzing trace with hash 398484592, now seen corresponding path program 4 times [2022-01-18 11:47:34,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:34,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508164232] [2022-01-18 11:47:34,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:34,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:34,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:34,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:34,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508164232] [2022-01-18 11:47:34,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508164232] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:34,262 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:34,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-18 11:47:34,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113722135] [2022-01-18 11:47:34,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:34,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-18 11:47:34,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:34,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-18 11:47:34,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-18 11:47:34,263 INFO L87 Difference]: Start difference. First operand 19898 states and 76151 transitions. Second operand has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:34,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:34,690 INFO L93 Difference]: Finished difference Result 34689 states and 133419 transitions. [2022-01-18 11:47:34,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 11:47:34,690 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-01-18 11:47:34,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:34,814 INFO L225 Difference]: With dead ends: 34689 [2022-01-18 11:47:34,815 INFO L226 Difference]: Without dead ends: 34563 [2022-01-18 11:47:34,815 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 11:47:34,815 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 243 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:34,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 626 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:47:34,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34563 states. [2022-01-18 11:47:35,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34563 to 20892. [2022-01-18 11:47:35,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20892 states, 20891 states have (on average 3.8144176918290174) internal successors, (79687), 20891 states have internal predecessors, (79687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:35,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20892 states to 20892 states and 79687 transitions. [2022-01-18 11:47:35,542 INFO L78 Accepts]: Start accepts. Automaton has 20892 states and 79687 transitions. Word has length 121 [2022-01-18 11:47:35,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:35,543 INFO L470 AbstractCegarLoop]: Abstraction has 20892 states and 79687 transitions. [2022-01-18 11:47:35,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:35,543 INFO L276 IsEmpty]: Start isEmpty. Operand 20892 states and 79687 transitions. [2022-01-18 11:47:35,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-18 11:47:35,581 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:35,581 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:47:35,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 11:47:35,581 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 11:47:35,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:35,582 INFO L85 PathProgramCache]: Analyzing trace with hash 309659624, now seen corresponding path program 5 times [2022-01-18 11:47:35,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:35,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198031555] [2022-01-18 11:47:35,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:35,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:35,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:35,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:35,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198031555] [2022-01-18 11:47:35,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198031555] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:35,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:35,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 11:47:35,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923906013] [2022-01-18 11:47:35,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:35,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 11:47:35,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:35,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 11:47:35,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-01-18 11:47:35,653 INFO L87 Difference]: Start difference. First operand 20892 states and 79687 transitions. Second operand has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:35,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:35,911 INFO L93 Difference]: Finished difference Result 35933 states and 137178 transitions. [2022-01-18 11:47:35,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 11:47:35,912 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-01-18 11:47:35,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:36,251 INFO L225 Difference]: With dead ends: 35933 [2022-01-18 11:47:36,252 INFO L226 Difference]: Without dead ends: 35783 [2022-01-18 11:47:36,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:47:36,253 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 131 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:36,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 592 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:47:36,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35783 states. [2022-01-18 11:47:36,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35783 to 21160. [2022-01-18 11:47:36,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21160 states, 21159 states have (on average 3.7896876033839026) internal successors, (80186), 21159 states have internal predecessors, (80186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:36,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21160 states to 21160 states and 80186 transitions. [2022-01-18 11:47:36,932 INFO L78 Accepts]: Start accepts. Automaton has 21160 states and 80186 transitions. Word has length 121 [2022-01-18 11:47:36,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:36,933 INFO L470 AbstractCegarLoop]: Abstraction has 21160 states and 80186 transitions. [2022-01-18 11:47:36,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:36,933 INFO L276 IsEmpty]: Start isEmpty. Operand 21160 states and 80186 transitions. [2022-01-18 11:47:36,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-18 11:47:36,977 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:36,977 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:47:36,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 11:47:36,977 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 11:47:36,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:36,978 INFO L85 PathProgramCache]: Analyzing trace with hash 2120466584, now seen corresponding path program 6 times [2022-01-18 11:47:36,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:36,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133610835] [2022-01-18 11:47:36,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:36,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:37,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:37,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:37,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133610835] [2022-01-18 11:47:37,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133610835] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:37,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:37,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:47:37,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212350500] [2022-01-18 11:47:37,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:37,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:47:37,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:37,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:47:37,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:47:37,183 INFO L87 Difference]: Start difference. First operand 21160 states and 80186 transitions. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:37,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:37,539 INFO L93 Difference]: Finished difference Result 31306 states and 119260 transitions. [2022-01-18 11:47:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 11:47:37,540 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-01-18 11:47:37,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:37,593 INFO L225 Difference]: With dead ends: 31306 [2022-01-18 11:47:37,593 INFO L226 Difference]: Without dead ends: 17806 [2022-01-18 11:47:37,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-01-18 11:47:37,594 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 282 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:37,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [282 Valid, 555 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:47:37,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17806 states. [2022-01-18 11:47:38,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17806 to 17806. [2022-01-18 11:47:38,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17806 states, 17805 states have (on average 3.749059253018815) internal successors, (66752), 17805 states have internal predecessors, (66752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:38,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17806 states to 17806 states and 66752 transitions. [2022-01-18 11:47:38,171 INFO L78 Accepts]: Start accepts. Automaton has 17806 states and 66752 transitions. Word has length 121 [2022-01-18 11:47:38,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:38,172 INFO L470 AbstractCegarLoop]: Abstraction has 17806 states and 66752 transitions. [2022-01-18 11:47:38,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:38,173 INFO L276 IsEmpty]: Start isEmpty. Operand 17806 states and 66752 transitions. [2022-01-18 11:47:38,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-18 11:47:38,205 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:38,205 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] [2022-01-18 11:47:38,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 11:47:38,206 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 11:47:38,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:38,206 INFO L85 PathProgramCache]: Analyzing trace with hash -835775020, now seen corresponding path program 7 times [2022-01-18 11:47:38,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:38,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833989757] [2022-01-18 11:47:38,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:38,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:38,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:38,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:38,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833989757] [2022-01-18 11:47:38,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833989757] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:38,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:38,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-18 11:47:38,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249784788] [2022-01-18 11:47:38,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:38,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-18 11:47:38,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:38,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-18 11:47:38,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-18 11:47:38,301 INFO L87 Difference]: Start difference. First operand 17806 states and 66752 transitions. Second operand has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:38,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:38,547 INFO L93 Difference]: Finished difference Result 24667 states and 90738 transitions. [2022-01-18 11:47:38,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 11:47:38,547 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-01-18 11:47:38,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:38,620 INFO L225 Difference]: With dead ends: 24667 [2022-01-18 11:47:38,620 INFO L226 Difference]: Without dead ends: 24073 [2022-01-18 11:47:38,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 11:47:38,621 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 286 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:38,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [286 Valid, 610 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:47:38,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24073 states. [2022-01-18 11:47:39,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24073 to 13657. [2022-01-18 11:47:39,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13657 states, 13656 states have (on average 3.633128295254833) internal successors, (49614), 13656 states have internal predecessors, (49614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:39,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13657 states to 13657 states and 49614 transitions. [2022-01-18 11:47:39,150 INFO L78 Accepts]: Start accepts. Automaton has 13657 states and 49614 transitions. Word has length 121 [2022-01-18 11:47:39,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:39,150 INFO L470 AbstractCegarLoop]: Abstraction has 13657 states and 49614 transitions. [2022-01-18 11:47:39,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:39,150 INFO L276 IsEmpty]: Start isEmpty. Operand 13657 states and 49614 transitions. [2022-01-18 11:47:39,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-18 11:47:39,176 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:39,176 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] [2022-01-18 11:47:39,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-18 11:47:39,176 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 11:47:39,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:39,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1466375860, now seen corresponding path program 8 times [2022-01-18 11:47:39,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:39,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963230914] [2022-01-18 11:47:39,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:39,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:39,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:39,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:39,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963230914] [2022-01-18 11:47:39,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963230914] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:39,278 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:39,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:47:39,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35683290] [2022-01-18 11:47:39,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:39,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:47:39,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:39,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:47:39,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:47:39,279 INFO L87 Difference]: Start difference. First operand 13657 states and 49614 transitions. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:39,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:39,541 INFO L93 Difference]: Finished difference Result 25837 states and 93690 transitions. [2022-01-18 11:47:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 11:47:39,541 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-01-18 11:47:39,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:39,614 INFO L225 Difference]: With dead ends: 25837 [2022-01-18 11:47:39,614 INFO L226 Difference]: Without dead ends: 24613 [2022-01-18 11:47:39,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-01-18 11:47:39,615 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 232 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:39,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 932 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:47:39,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24613 states. [2022-01-18 11:47:40,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24613 to 13621. [2022-01-18 11:47:40,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13621 states, 13620 states have (on average 3.584361233480176) internal successors, (48819), 13620 states have internal predecessors, (48819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:40,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13621 states to 13621 states and 48819 transitions. [2022-01-18 11:47:40,123 INFO L78 Accepts]: Start accepts. Automaton has 13621 states and 48819 transitions. Word has length 121 [2022-01-18 11:47:40,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:40,123 INFO L470 AbstractCegarLoop]: Abstraction has 13621 states and 48819 transitions. [2022-01-18 11:47:40,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:40,123 INFO L276 IsEmpty]: Start isEmpty. Operand 13621 states and 48819 transitions. [2022-01-18 11:47:40,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-18 11:47:40,148 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:40,148 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:47:40,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-18 11:47:40,148 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 11:47:40,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:40,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1216407702, now seen corresponding path program 9 times [2022-01-18 11:47:40,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:40,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340868025] [2022-01-18 11:47:40,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:40,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:40,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:40,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:40,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340868025] [2022-01-18 11:47:40,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340868025] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:40,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:40,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:47:40,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30699941] [2022-01-18 11:47:40,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:40,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:47:40,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:40,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:47:40,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:47:40,227 INFO L87 Difference]: Start difference. First operand 13621 states and 48819 transitions. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:40,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:40,460 INFO L93 Difference]: Finished difference Result 22000 states and 77849 transitions. [2022-01-18 11:47:40,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 11:47:40,460 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-01-18 11:47:40,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:40,514 INFO L225 Difference]: With dead ends: 22000 [2022-01-18 11:47:40,514 INFO L226 Difference]: Without dead ends: 20416 [2022-01-18 11:47:40,515 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-01-18 11:47:40,515 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 250 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:40,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [250 Valid, 647 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:47:40,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20416 states. [2022-01-18 11:47:40,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20416 to 11854. [2022-01-18 11:47:40,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11854 states, 11853 states have (on average 3.4944739728338816) internal successors, (41420), 11853 states have internal predecessors, (41420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:40,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11854 states to 11854 states and 41420 transitions. [2022-01-18 11:47:40,964 INFO L78 Accepts]: Start accepts. Automaton has 11854 states and 41420 transitions. Word has length 121 [2022-01-18 11:47:40,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:40,964 INFO L470 AbstractCegarLoop]: Abstraction has 11854 states and 41420 transitions. [2022-01-18 11:47:40,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:40,964 INFO L276 IsEmpty]: Start isEmpty. Operand 11854 states and 41420 transitions. [2022-01-18 11:47:40,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-18 11:47:40,983 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:40,983 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:47:40,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-18 11:47:40,984 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 11:47:40,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:40,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1378731292, now seen corresponding path program 10 times [2022-01-18 11:47:40,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:40,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772730474] [2022-01-18 11:47:40,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:40,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:41,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:41,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:41,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772730474] [2022-01-18 11:47:41,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772730474] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:41,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:41,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-18 11:47:41,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134600643] [2022-01-18 11:47:41,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:41,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-18 11:47:41,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:41,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-18 11:47:41,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-18 11:47:41,052 INFO L87 Difference]: Start difference. First operand 11854 states and 41420 transitions. Second operand has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:41,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:41,241 INFO L93 Difference]: Finished difference Result 18958 states and 66597 transitions. [2022-01-18 11:47:41,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 11:47:41,242 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-01-18 11:47:41,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:41,289 INFO L225 Difference]: With dead ends: 18958 [2022-01-18 11:47:41,289 INFO L226 Difference]: Without dead ends: 18292 [2022-01-18 11:47:41,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 11:47:41,290 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 279 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:41,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [279 Valid, 718 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:47:41,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18292 states. [2022-01-18 11:47:41,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18292 to 11050. [2022-01-18 11:47:41,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11050 states, 11049 states have (on average 3.4995022173952393) internal successors, (38666), 11049 states have internal predecessors, (38666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:41,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11050 states to 11050 states and 38666 transitions. [2022-01-18 11:47:41,540 INFO L78 Accepts]: Start accepts. Automaton has 11050 states and 38666 transitions. Word has length 121 [2022-01-18 11:47:41,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:41,540 INFO L470 AbstractCegarLoop]: Abstraction has 11050 states and 38666 transitions. [2022-01-18 11:47:41,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:41,540 INFO L276 IsEmpty]: Start isEmpty. Operand 11050 states and 38666 transitions. [2022-01-18 11:47:41,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-18 11:47:41,558 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:41,558 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:47:41,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-18 11:47:41,558 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 11:47:41,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:41,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1739388088, now seen corresponding path program 11 times [2022-01-18 11:47:41,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:41,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585499879] [2022-01-18 11:47:41,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:41,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:41,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:41,626 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:41,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585499879] [2022-01-18 11:47:41,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585499879] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:41,626 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:41,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:47:41,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057776241] [2022-01-18 11:47:41,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:41,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:47:41,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:41,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:47:41,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:47:41,627 INFO L87 Difference]: Start difference. First operand 11050 states and 38666 transitions. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:41,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:41,925 INFO L93 Difference]: Finished difference Result 15667 states and 53683 transitions. [2022-01-18 11:47:41,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 11:47:41,925 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-01-18 11:47:41,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:41,966 INFO L225 Difference]: With dead ends: 15667 [2022-01-18 11:47:41,966 INFO L226 Difference]: Without dead ends: 14959 [2022-01-18 11:47:41,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-01-18 11:47:41,967 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 269 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 793 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:41,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [269 Valid, 793 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:47:41,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14959 states. [2022-01-18 11:47:42,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14959 to 8752. [2022-01-18 11:47:42,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8752 states, 8751 states have (on average 3.426008456176437) internal successors, (29981), 8751 states have internal predecessors, (29981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:42,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8752 states to 8752 states and 29981 transitions. [2022-01-18 11:47:42,204 INFO L78 Accepts]: Start accepts. Automaton has 8752 states and 29981 transitions. Word has length 121 [2022-01-18 11:47:42,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:42,204 INFO L470 AbstractCegarLoop]: Abstraction has 8752 states and 29981 transitions. [2022-01-18 11:47:42,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:42,204 INFO L276 IsEmpty]: Start isEmpty. Operand 8752 states and 29981 transitions. [2022-01-18 11:47:42,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-18 11:47:42,219 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:42,220 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] [2022-01-18 11:47:42,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-18 11:47:42,220 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 11:47:42,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:42,220 INFO L85 PathProgramCache]: Analyzing trace with hash -170190332, now seen corresponding path program 12 times [2022-01-18 11:47:42,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:42,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537606194] [2022-01-18 11:47:42,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:42,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:42,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:42,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:42,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537606194] [2022-01-18 11:47:42,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537606194] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:42,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:42,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:47:42,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347396469] [2022-01-18 11:47:42,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:42,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:47:42,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:42,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:47:42,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:47:42,297 INFO L87 Difference]: Start difference. First operand 8752 states and 29981 transitions. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:42,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:42,481 INFO L93 Difference]: Finished difference Result 13000 states and 44507 transitions. [2022-01-18 11:47:42,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 11:47:42,481 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-01-18 11:47:42,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:42,514 INFO L225 Difference]: With dead ends: 13000 [2022-01-18 11:47:42,514 INFO L226 Difference]: Without dead ends: 12568 [2022-01-18 11:47:42,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2022-01-18 11:47:42,514 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 329 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:42,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [329 Valid, 611 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:47:42,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12568 states. [2022-01-18 11:47:42,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12568 to 8536. [2022-01-18 11:47:42,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8536 states, 8535 states have (on average 3.4051552431165786) internal successors, (29063), 8535 states have internal predecessors, (29063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:42,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8536 states to 8536 states and 29063 transitions. [2022-01-18 11:47:42,706 INFO L78 Accepts]: Start accepts. Automaton has 8536 states and 29063 transitions. Word has length 121 [2022-01-18 11:47:42,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:42,707 INFO L470 AbstractCegarLoop]: Abstraction has 8536 states and 29063 transitions. [2022-01-18 11:47:42,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:42,707 INFO L276 IsEmpty]: Start isEmpty. Operand 8536 states and 29063 transitions. [2022-01-18 11:47:42,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-18 11:47:42,721 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:42,721 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] [2022-01-18 11:47:42,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-18 11:47:42,721 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 11:47:42,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:42,721 INFO L85 PathProgramCache]: Analyzing trace with hash -800791172, now seen corresponding path program 13 times [2022-01-18 11:47:42,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:42,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630537830] [2022-01-18 11:47:42,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:42,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:42,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:42,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:42,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630537830] [2022-01-18 11:47:42,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630537830] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:42,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:42,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 11:47:42,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653343846] [2022-01-18 11:47:42,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:42,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 11:47:42,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:42,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 11:47:42,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-01-18 11:47:42,796 INFO L87 Difference]: Start difference. First operand 8536 states and 29063 transitions. Second operand has 10 states, 10 states have (on average 12.1) internal successors, (121), 10 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:43,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:43,020 INFO L93 Difference]: Finished difference Result 12784 states and 43589 transitions. [2022-01-18 11:47:43,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 11:47:43,021 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.1) internal successors, (121), 10 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-01-18 11:47:43,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:43,050 INFO L225 Difference]: With dead ends: 12784 [2022-01-18 11:47:43,050 INFO L226 Difference]: Without dead ends: 11896 [2022-01-18 11:47:43,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=73, Invalid=109, Unknown=0, NotChecked=0, Total=182 [2022-01-18 11:47:43,051 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 357 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 855 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:43,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [357 Valid, 855 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:47:43,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11896 states. [2022-01-18 11:47:43,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11896 to 8200. [2022-01-18 11:47:43,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8200 states, 8199 states have (on average 3.4017563117453347) internal successors, (27891), 8199 states have internal predecessors, (27891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:43,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8200 states to 8200 states and 27891 transitions. [2022-01-18 11:47:43,251 INFO L78 Accepts]: Start accepts. Automaton has 8200 states and 27891 transitions. Word has length 121 [2022-01-18 11:47:43,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:43,252 INFO L470 AbstractCegarLoop]: Abstraction has 8200 states and 27891 transitions. [2022-01-18 11:47:43,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.1) internal successors, (121), 10 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:43,252 INFO L276 IsEmpty]: Start isEmpty. Operand 8200 states and 27891 transitions. [2022-01-18 11:47:43,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-18 11:47:43,265 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:43,265 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:47:43,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-18 11:47:43,266 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 11:47:43,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:43,266 INFO L85 PathProgramCache]: Analyzing trace with hash -960095708, now seen corresponding path program 14 times [2022-01-18 11:47:43,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:43,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638228452] [2022-01-18 11:47:43,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:43,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:43,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:43,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:43,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638228452] [2022-01-18 11:47:43,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638228452] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:43,359 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:43,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 11:47:43,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585437199] [2022-01-18 11:47:43,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:43,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 11:47:43,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:43,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 11:47:43,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-01-18 11:47:43,360 INFO L87 Difference]: Start difference. First operand 8200 states and 27891 transitions. Second operand has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:43,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:43,597 INFO L93 Difference]: Finished difference Result 12520 states and 42543 transitions. [2022-01-18 11:47:43,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 11:47:43,597 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-01-18 11:47:43,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:43,622 INFO L225 Difference]: With dead ends: 12520 [2022-01-18 11:47:43,622 INFO L226 Difference]: Without dead ends: 11824 [2022-01-18 11:47:43,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=188, Unknown=0, NotChecked=0, Total=306 [2022-01-18 11:47:43,623 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 370 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:43,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [370 Valid, 833 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:47:43,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11824 states. [2022-01-18 11:47:43,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11824 to 8128. [2022-01-18 11:47:43,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8128 states, 8127 states have (on average 3.401624215577704) internal successors, (27645), 8127 states have internal predecessors, (27645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:43,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8128 states to 8128 states and 27645 transitions. [2022-01-18 11:47:43,781 INFO L78 Accepts]: Start accepts. Automaton has 8128 states and 27645 transitions. Word has length 121 [2022-01-18 11:47:43,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:43,781 INFO L470 AbstractCegarLoop]: Abstraction has 8128 states and 27645 transitions. [2022-01-18 11:47:43,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:43,781 INFO L276 IsEmpty]: Start isEmpty. Operand 8128 states and 27645 transitions. [2022-01-18 11:47:43,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-18 11:47:43,794 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:43,794 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] [2022-01-18 11:47:43,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-18 11:47:43,794 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 11:47:43,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:43,794 INFO L85 PathProgramCache]: Analyzing trace with hash 998930532, now seen corresponding path program 15 times [2022-01-18 11:47:43,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:43,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837017173] [2022-01-18 11:47:43,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:43,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:43,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:43,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:43,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837017173] [2022-01-18 11:47:43,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837017173] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:43,866 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:43,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 11:47:43,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614113838] [2022-01-18 11:47:43,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:43,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 11:47:43,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:43,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 11:47:43,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-01-18 11:47:43,867 INFO L87 Difference]: Start difference. First operand 8128 states and 27645 transitions. Second operand has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:44,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:44,090 INFO L93 Difference]: Finished difference Result 12550 states and 42816 transitions. [2022-01-18 11:47:44,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 11:47:44,090 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-01-18 11:47:44,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:44,116 INFO L225 Difference]: With dead ends: 12550 [2022-01-18 11:47:44,117 INFO L226 Difference]: Without dead ends: 11434 [2022-01-18 11:47:44,117 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=188, Unknown=0, NotChecked=0, Total=306 [2022-01-18 11:47:44,117 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 333 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:44,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [333 Valid, 871 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:47:44,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11434 states. [2022-01-18 11:47:44,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11434 to 6865. [2022-01-18 11:47:44,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6865 states, 6864 states have (on average 3.414918414918415) internal successors, (23440), 6864 states have internal predecessors, (23440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:44,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6865 states to 6865 states and 23440 transitions. [2022-01-18 11:47:44,258 INFO L78 Accepts]: Start accepts. Automaton has 6865 states and 23440 transitions. Word has length 121 [2022-01-18 11:47:44,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:44,258 INFO L470 AbstractCegarLoop]: Abstraction has 6865 states and 23440 transitions. [2022-01-18 11:47:44,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:44,259 INFO L276 IsEmpty]: Start isEmpty. Operand 6865 states and 23440 transitions. [2022-01-18 11:47:44,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-18 11:47:44,270 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:44,270 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:47:44,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-18 11:47:44,271 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 11:47:44,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:44,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1698640170, now seen corresponding path program 16 times [2022-01-18 11:47:44,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:44,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167391197] [2022-01-18 11:47:44,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:44,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:44,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:44,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:44,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167391197] [2022-01-18 11:47:44,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167391197] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:44,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:44,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 11:47:44,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364692698] [2022-01-18 11:47:44,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:44,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 11:47:44,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:44,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 11:47:44,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-01-18 11:47:44,366 INFO L87 Difference]: Start difference. First operand 6865 states and 23440 transitions. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:44,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:44,542 INFO L93 Difference]: Finished difference Result 11176 states and 38341 transitions. [2022-01-18 11:47:44,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 11:47:44,543 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-01-18 11:47:44,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:44,568 INFO L225 Difference]: With dead ends: 11176 [2022-01-18 11:47:44,568 INFO L226 Difference]: Without dead ends: 10960 [2022-01-18 11:47:44,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2022-01-18 11:47:44,575 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 247 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 779 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:44,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 779 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:47:44,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10960 states. [2022-01-18 11:47:44,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10960 to 6640. [2022-01-18 11:47:44,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6640 states, 6639 states have (on average 3.389215243259527) internal successors, (22501), 6639 states have internal predecessors, (22501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:44,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6640 states to 6640 states and 22501 transitions. [2022-01-18 11:47:44,740 INFO L78 Accepts]: Start accepts. Automaton has 6640 states and 22501 transitions. Word has length 121 [2022-01-18 11:47:44,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:44,740 INFO L470 AbstractCegarLoop]: Abstraction has 6640 states and 22501 transitions. [2022-01-18 11:47:44,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:44,740 INFO L276 IsEmpty]: Start isEmpty. Operand 6640 states and 22501 transitions. [2022-01-18 11:47:44,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-18 11:47:44,751 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:44,752 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 11:47:44,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-18 11:47:44,752 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 11:47:44,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:44,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1196153460, now seen corresponding path program 17 times [2022-01-18 11:47:44,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:44,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649040962] [2022-01-18 11:47:44,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:44,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:44,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:44,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:44,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649040962] [2022-01-18 11:47:44,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649040962] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:44,824 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:44,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 11:47:44,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286983802] [2022-01-18 11:47:44,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:44,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 11:47:44,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:44,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 11:47:44,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-01-18 11:47:44,825 INFO L87 Difference]: Start difference. First operand 6640 states and 22501 transitions. Second operand has 10 states, 10 states have (on average 12.1) internal successors, (121), 10 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:45,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:45,024 INFO L93 Difference]: Finished difference Result 10834 states and 37045 transitions. [2022-01-18 11:47:45,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 11:47:45,025 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.1) internal successors, (121), 10 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-01-18 11:47:45,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:45,050 INFO L225 Difference]: With dead ends: 10834 [2022-01-18 11:47:45,051 INFO L226 Difference]: Without dead ends: 10510 [2022-01-18 11:47:45,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=73, Invalid=109, Unknown=0, NotChecked=0, Total=182 [2022-01-18 11:47:45,051 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 194 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:45,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 983 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:47:45,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10510 states. [2022-01-18 11:47:45,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10510 to 6436. [2022-01-18 11:47:45,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6436 states, 6435 states have (on average 3.3815073815073817) internal successors, (21760), 6435 states have internal predecessors, (21760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:45,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6436 states to 6436 states and 21760 transitions. [2022-01-18 11:47:45,214 INFO L78 Accepts]: Start accepts. Automaton has 6436 states and 21760 transitions. Word has length 121 [2022-01-18 11:47:45,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:45,214 INFO L470 AbstractCegarLoop]: Abstraction has 6436 states and 21760 transitions. [2022-01-18 11:47:45,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.1) internal successors, (121), 10 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:45,214 INFO L276 IsEmpty]: Start isEmpty. Operand 6436 states and 21760 transitions. [2022-01-18 11:47:45,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-18 11:47:45,225 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:45,225 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] [2022-01-18 11:47:45,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-18 11:47:45,225 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 11:47:45,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:45,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1014658416, now seen corresponding path program 18 times [2022-01-18 11:47:45,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:45,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920081610] [2022-01-18 11:47:45,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:45,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:45,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:45,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:45,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920081610] [2022-01-18 11:47:45,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920081610] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:45,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:45,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 11:47:45,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920656490] [2022-01-18 11:47:45,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:45,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 11:47:45,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:45,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 11:47:45,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-01-18 11:47:45,309 INFO L87 Difference]: Start difference. First operand 6436 states and 21760 transitions. Second operand has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:45,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:45,544 INFO L93 Difference]: Finished difference Result 10570 states and 36151 transitions. [2022-01-18 11:47:45,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 11:47:45,545 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-01-18 11:47:45,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:45,568 INFO L225 Difference]: With dead ends: 10570 [2022-01-18 11:47:45,568 INFO L226 Difference]: Without dead ends: 10234 [2022-01-18 11:47:45,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=188, Unknown=0, NotChecked=0, Total=306 [2022-01-18 11:47:45,569 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 208 mSDsluCounter, 951 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:45,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 1072 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:47:45,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10234 states. [2022-01-18 11:47:45,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10234 to 6256. [2022-01-18 11:47:45,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6256 states, 6255 states have (on average 3.4103916866506796) internal successors, (21332), 6255 states have internal predecessors, (21332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:45,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6256 states to 6256 states and 21332 transitions. [2022-01-18 11:47:45,701 INFO L78 Accepts]: Start accepts. Automaton has 6256 states and 21332 transitions. Word has length 121 [2022-01-18 11:47:45,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:45,701 INFO L470 AbstractCegarLoop]: Abstraction has 6256 states and 21332 transitions. [2022-01-18 11:47:45,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:45,702 INFO L276 IsEmpty]: Start isEmpty. Operand 6256 states and 21332 transitions. [2022-01-18 11:47:45,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-18 11:47:45,711 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 11:47:45,711 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] [2022-01-18 11:47:45,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-18 11:47:45,711 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 11:47:45,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 11:47:45,712 INFO L85 PathProgramCache]: Analyzing trace with hash 88890422, now seen corresponding path program 19 times [2022-01-18 11:47:45,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 11:47:45,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616687124] [2022-01-18 11:47:45,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 11:47:45,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 11:47:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 11:47:45,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 11:47:45,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 11:47:45,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616687124] [2022-01-18 11:47:45,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616687124] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 11:47:45,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 11:47:45,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 11:47:45,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104789684] [2022-01-18 11:47:45,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 11:47:45,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 11:47:45,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 11:47:45,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 11:47:45,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-01-18 11:47:45,783 INFO L87 Difference]: Start difference. First operand 6256 states and 21332 transitions. Second operand has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:45,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 11:47:45,907 INFO L93 Difference]: Finished difference Result 1867 states and 5058 transitions. [2022-01-18 11:47:45,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 11:47:45,907 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-01-18 11:47:45,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 11:47:45,908 INFO L225 Difference]: With dead ends: 1867 [2022-01-18 11:47:45,908 INFO L226 Difference]: Without dead ends: 0 [2022-01-18 11:47:45,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=188, Unknown=0, NotChecked=0, Total=306 [2022-01-18 11:47:45,908 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 195 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 11:47:45,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 518 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 11:47:45,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-18 11:47:45,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-18 11:47:45,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:45,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-18 11:47:45,909 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 121 [2022-01-18 11:47:45,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 11:47:45,909 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-18 11:47:45,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 11:47:45,909 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-18 11:47:45,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-18 11:47:45,911 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-01-18 11:47:45,912 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-01-18 11:47:45,912 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-01-18 11:47:45,912 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-01-18 11:47:45,912 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-01-18 11:47:45,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-18 11:47:45,914 INFO L732 BasicCegarLoop]: Path program histogram: [19] [2022-01-18 11:47:45,915 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 11:47:45,915 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 11:47:45,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 11:47:45 BasicIcfg [2022-01-18 11:47:45,917 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 11:47:45,917 INFO L158 Benchmark]: Toolchain (without parser) took 19287.91ms. Allocated memory was 396.4MB in the beginning and 11.7GB in the end (delta: 11.3GB). Free memory was 338.3MB in the beginning and 9.3GB in the end (delta: -9.0GB). Peak memory consumption was 2.3GB. Max. memory is 16.0GB. [2022-01-18 11:47:45,917 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 396.4MB. Free memory is still 355.4MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 11:47:45,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.88ms. Allocated memory was 396.4MB in the beginning and 555.7MB in the end (delta: 159.4MB). Free memory was 338.1MB in the beginning and 524.6MB in the end (delta: -186.5MB). Peak memory consumption was 6.7MB. Max. memory is 16.0GB. [2022-01-18 11:47:45,918 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.87ms. Allocated memory is still 555.7MB. Free memory was 524.6MB in the beginning and 522.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 11:47:45,918 INFO L158 Benchmark]: Boogie Preprocessor took 17.82ms. Allocated memory is still 555.7MB. Free memory was 522.5MB in the beginning and 521.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 11:47:45,918 INFO L158 Benchmark]: RCFGBuilder took 494.84ms. Allocated memory is still 555.7MB. Free memory was 520.4MB in the beginning and 499.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2022-01-18 11:47:45,918 INFO L158 Benchmark]: TraceAbstraction took 18493.65ms. Allocated memory was 555.7MB in the beginning and 11.7GB in the end (delta: 11.1GB). Free memory was 498.4MB in the beginning and 9.3GB in the end (delta: -8.8GB). Peak memory consumption was 2.3GB. Max. memory is 16.0GB. [2022-01-18 11:47:45,919 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 396.4MB. Free memory is still 355.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 231.88ms. Allocated memory was 396.4MB in the beginning and 555.7MB in the end (delta: 159.4MB). Free memory was 338.1MB in the beginning and 524.6MB in the end (delta: -186.5MB). Peak memory consumption was 6.7MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 44.87ms. Allocated memory is still 555.7MB. Free memory was 524.6MB in the beginning and 522.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 17.82ms. Allocated memory is still 555.7MB. Free memory was 522.5MB in the beginning and 521.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 494.84ms. Allocated memory is still 555.7MB. Free memory was 520.4MB in the beginning and 499.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * TraceAbstraction took 18493.65ms. Allocated memory was 555.7MB in the beginning and 11.7GB in the end (delta: 11.1GB). Free memory was 498.4MB in the beginning and 9.3GB in the end (delta: -8.8GB). Peak memory consumption was 2.3GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 146]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 174 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 18.4s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 19, EmptinessCheckTime: 0.6s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4899 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4899 mSDsluCounter, 13999 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11892 mSDsCounter, 693 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4873 IncrementalHoareTripleChecker+Invalid, 5566 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 693 mSolverCounterUnsat, 3305 mSDtfsCounter, 4873 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 274 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21160occurred in iteration=5, InterpolantAutomatonStates: 195, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.7s AutomataMinimizationTime, 19 MinimizatonAttempts, 131243 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2299 NumberOfCodeBlocks, 2299 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2280 ConstructedInterpolants, 0 QuantifiedInterpolants, 6093 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-01-18 11:47:45,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...