/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 23:01:32,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 23:01:32,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 23:01:32,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 23:01:32,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 23:01:32,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 23:01:32,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 23:01:32,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 23:01:32,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 23:01:32,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 23:01:32,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 23:01:32,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 23:01:32,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 23:01:32,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 23:01:32,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 23:01:32,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 23:01:32,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 23:01:32,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 23:01:32,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 23:01:32,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 23:01:32,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 23:01:32,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 23:01:32,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 23:01:32,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 23:01:32,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 23:01:32,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 23:01:32,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 23:01:32,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 23:01:32,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 23:01:32,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 23:01:32,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 23:01:32,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 23:01:32,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 23:01:32,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 23:01:32,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 23:01:32,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 23:01:32,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 23:01:32,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 23:01:32,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 23:01:32,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 23:01:32,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 23:01:32,837 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-24 23:01:32,893 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 23:01:32,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 23:01:32,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 23:01:32,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 23:01:32,896 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 23:01:32,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 23:01:32,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 23:01:32,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 23:01:32,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 23:01:32,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 23:01:32,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 23:01:32,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 23:01:32,897 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 23:01:32,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 23:01:32,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 23:01:32,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 23:01:32,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 23:01:32,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 23:01:32,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:01:32,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 23:01:32,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 23:01:32,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 23:01:32,899 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 23:01:32,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 23:01:32,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 23:01:32,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 23:01:32,900 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 23:01:32,900 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; [2020-09-24 23:01:33,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 23:01:33,462 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 23:01:33,469 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 23:01:33,472 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 23:01:33,472 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 23:01:33,474 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2020-09-24 23:01:33,573 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3e095aaac/4f3f0947a0b44f2d9c105d51cf237df5/FLAGcd1464c14 [2020-09-24 23:01:34,425 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 23:01:34,426 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2020-09-24 23:01:34,469 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3e095aaac/4f3f0947a0b44f2d9c105d51cf237df5/FLAGcd1464c14 [2020-09-24 23:01:34,967 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3e095aaac/4f3f0947a0b44f2d9c105d51cf237df5 [2020-09-24 23:01:34,985 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 23:01:34,992 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 23:01:34,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 23:01:34,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 23:01:34,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 23:01:35,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:01:34" (1/1) ... [2020-09-24 23:01:35,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f71ec06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:01:35, skipping insertion in model container [2020-09-24 23:01:35,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:01:34" (1/1) ... [2020-09-24 23:01:35,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 23:01:35,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 23:01:36,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:01:36,208 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 23:01:36,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:01:36,573 INFO L208 MainTranslator]: Completed translation [2020-09-24 23:01:36,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:01:36 WrapperNode [2020-09-24 23:01:36,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 23:01:36,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 23:01:36,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 23:01:36,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 23:01:36,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:01:36" (1/1) ... [2020-09-24 23:01:36,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:01:36" (1/1) ... [2020-09-24 23:01:36,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:01:36" (1/1) ... [2020-09-24 23:01:36,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:01:36" (1/1) ... [2020-09-24 23:01:36,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:01:36" (1/1) ... [2020-09-24 23:01:36,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:01:36" (1/1) ... [2020-09-24 23:01:36,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:01:36" (1/1) ... [2020-09-24 23:01:36,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 23:01:36,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 23:01:36,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 23:01:36,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 23:01:36,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:01:36" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:01:36,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 23:01:36,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 23:01:36,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-24 23:01:36,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-09-24 23:01:36,802 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2020-09-24 23:01:36,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2020-09-24 23:01:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2020-09-24 23:01:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2020-09-24 23:01:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2020-09-24 23:01:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2020-09-24 23:01:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2020-09-24 23:01:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2020-09-24 23:01:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2020-09-24 23:01:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 23:01:36,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-09-24 23:01:36,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-09-24 23:01:36,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-09-24 23:01:36,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-09-24 23:01:36,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-09-24 23:01:36,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-09-24 23:01:36,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 23:01:36,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2020-09-24 23:01:36,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2020-09-24 23:01:36,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2020-09-24 23:01:36,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 23:01:36,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2020-09-24 23:01:36,813 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2020-09-24 23:01:36,813 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-09-24 23:01:36,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2020-09-24 23:01:36,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2020-09-24 23:01:36,814 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2020-09-24 23:01:36,814 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2020-09-24 23:01:36,814 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2020-09-24 23:01:36,814 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 23:01:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 23:01:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-09-24 23:01:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2020-09-24 23:01:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2020-09-24 23:01:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2020-09-24 23:01:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-09-24 23:01:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-09-24 23:01:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-09-24 23:01:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-09-24 23:01:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-09-24 23:01:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2020-09-24 23:01:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2020-09-24 23:01:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2020-09-24 23:01:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2020-09-24 23:01:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2020-09-24 23:01:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2020-09-24 23:01:36,818 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2020-09-24 23:01:36,818 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2020-09-24 23:01:36,818 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2020-09-24 23:01:36,819 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2020-09-24 23:01:36,819 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2020-09-24 23:01:36,819 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2020-09-24 23:01:36,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 23:01:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 23:01:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 23:01:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 23:01:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-24 23:01:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2020-09-24 23:01:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 23:01:36,821 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-09-24 23:01:36,821 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2020-09-24 23:01:36,821 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2020-09-24 23:01:36,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 23:01:36,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 23:01:36,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 23:01:36,822 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 23:01:36,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-09-24 23:01:36,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2020-09-24 23:01:36,823 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 23:01:36,824 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 23:01:36,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 23:01:36,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 23:01:36,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 23:01:36,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 23:01:36,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 23:01:37,280 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-24 23:01:37,464 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-09-24 23:01:37,465 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-09-24 23:01:37,465 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-09-24 23:01:37,465 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-09-24 23:01:37,467 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-24 23:01:37,506 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2020-09-24 23:01:37,506 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2020-09-24 23:01:37,625 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-09-24 23:01:37,781 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 23:01:37,781 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-24 23:01:37,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:01:37 BoogieIcfgContainer [2020-09-24 23:01:37,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 23:01:37,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 23:01:37,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 23:01:37,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 23:01:37,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 11:01:34" (1/3) ... [2020-09-24 23:01:37,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ebf260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:01:37, skipping insertion in model container [2020-09-24 23:01:37,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:01:36" (2/3) ... [2020-09-24 23:01:37,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ebf260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:01:37, skipping insertion in model container [2020-09-24 23:01:37,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:01:37" (3/3) ... [2020-09-24 23:01:37,797 INFO L109 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-pppox.ko.cil.out.i [2020-09-24 23:01:37,809 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 23:01:37,821 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 23:01:37,844 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 23:01:37,880 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 23:01:37,880 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 23:01:37,880 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 23:01:37,880 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 23:01:37,881 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 23:01:37,881 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 23:01:37,881 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 23:01:37,881 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 23:01:37,907 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-09-24 23:01:37,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 23:01:37,917 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:01:37,918 INFO L422 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] [2020-09-24 23:01:37,919 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:01:37,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:01:37,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1095303050, now seen corresponding path program 1 times [2020-09-24 23:01:37,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:01:37,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [256544007] [2020-09-24 23:01:37,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:01:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:38,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:38,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:38,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-24 23:01:38,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:38,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 577 [2020-09-24 23:01:38,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:38,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 23:01:38,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 23:01:38,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-24 23:01:38,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-24 23:01:38,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:01:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:38,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:38,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:38,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 23:01:38,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:38,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-24 23:01:38,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:38,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:01:38,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:38,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 23:01:38,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:01:39,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 23:01:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:39,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:39,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:39,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:01:39,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:39,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 23:01:39,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:39,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:01:39,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:39,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:01:39,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:01:39,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 23:01:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:39,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:39,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:39,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 23:01:39,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:39,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 23:01:39,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:39,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:01:39,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:39,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 23:01:39,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:01:39,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:01:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:39,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:39,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:39,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:01:39,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:39,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 23:01:39,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:39,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:01:39,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:39,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:01:39,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:01:39,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:01:39,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [256544007] [2020-09-24 23:01:39,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:01:39,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 23:01:39,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394324801] [2020-09-24 23:01:39,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 23:01:39,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:01:39,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 23:01:39,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 23:01:39,207 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 4 states. [2020-09-24 23:01:40,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:01:40,042 INFO L93 Difference]: Finished difference Result 426 states and 482 transitions. [2020-09-24 23:01:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 23:01:40,044 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-09-24 23:01:40,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:01:40,065 INFO L225 Difference]: With dead ends: 426 [2020-09-24 23:01:40,065 INFO L226 Difference]: Without dead ends: 291 [2020-09-24 23:01:40,071 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 23:01:40,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-09-24 23:01:40,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 287. [2020-09-24 23:01:40,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-09-24 23:01:40,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 313 transitions. [2020-09-24 23:01:40,166 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 313 transitions. Word has length 53 [2020-09-24 23:01:40,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:01:40,167 INFO L479 AbstractCegarLoop]: Abstraction has 287 states and 313 transitions. [2020-09-24 23:01:40,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 23:01:40,168 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 313 transitions. [2020-09-24 23:01:40,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-09-24 23:01:40,174 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:01:40,175 INFO L422 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] [2020-09-24 23:01:40,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 23:01:40,175 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:01:40,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:01:40,176 INFO L82 PathProgramCache]: Analyzing trace with hash 173654324, now seen corresponding path program 1 times [2020-09-24 23:01:40,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:01:40,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [441833182] [2020-09-24 23:01:40,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:01:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:40,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:40,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:40,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:45,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:45,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-09-24 23:01:45,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:01:45,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-24 23:01:45,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:45,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 23:01:45,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-09-24 23:01:45,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:01:45,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 23:01:45,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:01:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:45,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:45,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:45,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 23:01:45,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:45,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 23:01:45,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:45,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:01:45,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:45,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:01:45,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:01:45,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 23:01:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:45,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:45,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:45,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:01:45,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:45,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 23:01:45,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:45,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:01:45,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:45,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:01:45,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:01:45,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 23:01:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:45,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:45,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:45,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 23:01:45,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:45,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 23:01:45,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:45,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:01:45,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:45,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:01:45,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:01:45,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:01:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:45,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:45,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:45,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:01:45,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:45,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 23:01:45,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:45,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:01:45,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:45,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:01:45,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:01:45,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-24 23:01:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:45,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:45,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:45,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 23:01:45,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:45,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-24 23:01:45,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:45,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:01:45,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:45,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 23:01:45,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:01:45,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:01:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:45,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:45,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:45,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:01:45,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:45,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-24 23:01:45,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:45,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 23:01:45,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:45,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:01:45,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:01:45,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:01:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:45,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:45,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:45,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:01:45,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:45,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 23:01:45,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:45,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:01:45,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 23:01:45,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:01:45,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:01:45,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:01:45,858 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [441833182] [2020-09-24 23:01:45,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:01:45,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 23:01:45,859 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783652326] [2020-09-24 23:01:45,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 23:01:45,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:01:45,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 23:01:45,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-24 23:01:45,863 INFO L87 Difference]: Start difference. First operand 287 states and 313 transitions. Second operand 10 states. [2020-09-24 23:01:47,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:01:47,029 INFO L93 Difference]: Finished difference Result 495 states and 547 transitions. [2020-09-24 23:01:47,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 23:01:47,030 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 120 [2020-09-24 23:01:47,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:01:47,033 INFO L225 Difference]: With dead ends: 495 [2020-09-24 23:01:47,034 INFO L226 Difference]: Without dead ends: 257 [2020-09-24 23:01:47,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2020-09-24 23:01:47,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-09-24 23:01:47,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 244. [2020-09-24 23:01:47,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-24 23:01:47,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 264 transitions. [2020-09-24 23:01:47,061 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 264 transitions. Word has length 120 [2020-09-24 23:01:47,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:01:47,062 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 264 transitions. [2020-09-24 23:01:47,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 23:01:47,062 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 264 transitions. [2020-09-24 23:01:47,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-09-24 23:01:47,065 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:01:47,065 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:01:47,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 23:01:47,066 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:01:47,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:01:47,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1108936363, now seen corresponding path program 1 times [2020-09-24 23:01:47,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:01:47,067 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [836558457] [2020-09-24 23:01:47,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:01:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:47,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:47,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:47,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:52,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:52,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-09-24 23:01:52,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:01:52,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-24 23:01:52,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:52,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 23:01:52,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-09-24 23:01:52,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:01:52,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:01:52,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:01:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:52,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:52,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:52,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 23:01:52,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:52,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-24 23:01:52,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:01:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:01:52,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:01:52,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 23:01:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:52,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:52,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:52,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:01:52,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:52,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:01:52,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:52,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:01:52,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:52,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:01:52,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:01:52,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 23:01:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:52,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:52,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:52,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 23:01:52,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:52,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 23:01:52,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:52,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:01:52,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:52,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:01:52,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 23:01:52,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:01:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:52,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:52,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:52,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:01:52,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:52,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 23:01:52,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:52,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:01:52,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:52,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:01:52,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:01:52,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 23:01:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:52,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:52,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:52,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-24 23:01:52,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:52,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 281 [2020-09-24 23:01:52,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:52,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 23:01:52,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-24 23:01:52,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:01:52,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:01:52,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 23:01:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:52,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:52,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:52,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 23:01:52,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:52,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-09-24 23:01:52,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:52,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:01:52,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:52,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 23:01:52,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:01:52,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:01:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:53,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:53,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:53,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 23:01:53,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:53,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-24 23:01:53,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:53,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 23:01:53,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:53,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 23:01:53,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:01:53,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:01:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:53,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:53,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:53,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:01:53,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:53,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 23:01:53,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:53,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:01:53,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:53,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:01:53,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:01:53,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-24 23:01:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:53,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:53,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:53,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:01:53,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:53,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 23:01:53,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:53,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:01:53,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 23:01:53,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:01:53,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:01:53,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:01:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:53,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:53,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:53,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:01:53,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:53,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 23:01:53,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:53,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:01:53,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:53,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:01:53,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:01:53,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:01:53,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [836558457] [2020-09-24 23:01:53,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:01:53,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 23:01:53,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043018422] [2020-09-24 23:01:53,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 23:01:53,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:01:53,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 23:01:53,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-24 23:01:53,222 INFO L87 Difference]: Start difference. First operand 244 states and 264 transitions. Second operand 10 states. [2020-09-24 23:01:54,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:01:54,051 INFO L93 Difference]: Finished difference Result 375 states and 407 transitions. [2020-09-24 23:01:54,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 23:01:54,052 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 129 [2020-09-24 23:01:54,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:01:54,057 INFO L225 Difference]: With dead ends: 375 [2020-09-24 23:01:54,057 INFO L226 Difference]: Without dead ends: 248 [2020-09-24 23:01:54,061 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-09-24 23:01:54,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-09-24 23:01:54,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 244. [2020-09-24 23:01:54,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-24 23:01:54,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 263 transitions. [2020-09-24 23:01:54,096 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 263 transitions. Word has length 129 [2020-09-24 23:01:54,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:01:54,097 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 263 transitions. [2020-09-24 23:01:54,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 23:01:54,097 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 263 transitions. [2020-09-24 23:01:54,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-09-24 23:01:54,100 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:01:54,104 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:01:54,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 23:01:54,104 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:01:54,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:01:54,105 INFO L82 PathProgramCache]: Analyzing trace with hash -268445373, now seen corresponding path program 1 times [2020-09-24 23:01:54,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:01:54,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313855011] [2020-09-24 23:01:54,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:01:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:54,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:54,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:54,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:59,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:59,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-09-24 23:01:59,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:01:59,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-09-24 23:01:59,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:59,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 23:01:59,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 23:01:59,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-24 23:01:59,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:01:59,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:01:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:59,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:59,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:59,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 23:01:59,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:59,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 23:01:59,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:59,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:01:59,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:59,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 23:01:59,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:01:59,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 23:01:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:59,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:59,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:59,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:01:59,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:59,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 23:01:59,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:59,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:01:59,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:59,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:01:59,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:01:59,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 23:01:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:59,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:59,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:59,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 23:01:59,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:59,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 23:01:59,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:59,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:01:59,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:59,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 23:01:59,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:01:59,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:01:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:59,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:59,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:59,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:01:59,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:59,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 23:01:59,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:59,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:01:59,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:59,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:01:59,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:01:59,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-24 23:01:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:59,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:59,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:59,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 23:01:59,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:59,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-24 23:01:59,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:59,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 23:01:59,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 23:01:59,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 23:01:59,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:01:59,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:01:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:59,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:59,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:59,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 23:01:59,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:59,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-24 23:01:59,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:59,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:01:59,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 23:01:59,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 23:01:59,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:01:59,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:01:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:59,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:59,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:59,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:01:59,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:59,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 23:01:59,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:59,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:01:59,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:59,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:01:59,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:01:59,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-09-24 23:01:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:01:59,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:01:59,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:01:59,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:01:59,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:01:59,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 23:01:59,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:01:59,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:01:59,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:01:59,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 23:01:59,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:01:59,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:01:59,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313855011] [2020-09-24 23:01:59,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:01:59,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 23:01:59,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852579337] [2020-09-24 23:01:59,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 23:01:59,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:01:59,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 23:01:59,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 23:01:59,920 INFO L87 Difference]: Start difference. First operand 244 states and 263 transitions. Second operand 7 states. [2020-09-24 23:02:00,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:02:00,927 INFO L93 Difference]: Finished difference Result 346 states and 383 transitions. [2020-09-24 23:02:00,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 23:02:00,927 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 131 [2020-09-24 23:02:00,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:02:00,931 INFO L225 Difference]: With dead ends: 346 [2020-09-24 23:02:00,932 INFO L226 Difference]: Without dead ends: 343 [2020-09-24 23:02:00,932 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-09-24 23:02:00,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-09-24 23:02:00,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 243. [2020-09-24 23:02:00,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-24 23:02:00,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 261 transitions. [2020-09-24 23:02:00,953 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 261 transitions. Word has length 131 [2020-09-24 23:02:00,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:02:00,954 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 261 transitions. [2020-09-24 23:02:00,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 23:02:00,954 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 261 transitions. [2020-09-24 23:02:00,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-24 23:02:00,957 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:02:00,957 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:02:00,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 23:02:00,957 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:02:00,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:02:00,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1178345674, now seen corresponding path program 1 times [2020-09-24 23:02:00,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:02:00,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1853687807] [2020-09-24 23:02:00,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:02:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:01,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:01,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:01,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:06,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:06,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-09-24 23:02:06,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:02:06,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-09-24 23:02:06,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:06,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 23:02:06,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-09-24 23:02:06,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-24 23:02:06,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:02:06,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:02:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:06,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:06,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:06,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 23:02:06,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:06,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 23:02:06,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:06,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:02:06,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:02:06,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:02:06,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:02:06,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 23:02:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:06,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:06,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:06,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:02:06,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:06,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 23:02:06,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:06,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:02:06,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:02:06,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:02:06,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:02:06,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 23:02:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:06,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:06,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:06,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 23:02:06,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:06,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:02:06,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:06,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:02:06,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:02:06,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:02:06,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:02:06,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:02:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:06,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:06,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:06,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:02:06,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:06,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 23:02:06,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:06,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:02:06,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:02:06,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:02:06,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:02:06,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 23:02:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:06,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:06,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:06,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-24 23:02:06,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:06,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 595 [2020-09-24 23:02:06,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:06,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 23:02:06,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 23:02:06,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-24 23:02:06,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:02:07,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 23:02:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:07,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:07,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:07,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 23:02:07,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:07,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-09-24 23:02:07,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:07,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 23:02:07,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:02:07,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 23:02:07,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:02:07,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:02:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:07,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:07,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:07,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 23:02:07,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:07,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-24 23:02:07,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:07,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:02:07,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:02:07,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 23:02:07,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:02:07,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:02:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:07,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:07,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:07,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:02:07,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:07,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 23:02:07,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:07,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:02:07,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:02:07,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:02:07,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:02:07,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-24 23:02:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:07,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:07,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:07,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:02:07,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:07,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 23:02:07,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:07,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:02:07,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:02:07,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 23:02:07,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:02:07,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-09-24 23:02:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:07,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:07,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:07,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 23:02:07,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:07,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-24 23:02:07,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:07,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:02:07,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 23:02:07,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 23:02:07,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:02:07,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:02:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:07,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:07,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:07,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:02:07,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:07,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-24 23:02:07,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:07,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:02:07,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:02:07,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:02:07,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:02:08,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 23:02:08,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:08,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:08,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:08,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:02:08,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:08,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 23:02:08,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:08,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:02:08,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 23:02:08,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:02:08,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:02:08,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:02:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:08,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:08,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:08,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:02:08,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:08,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 23:02:08,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:08,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:02:08,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:02:08,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:02:08,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:02:08,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:02:08,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1853687807] [2020-09-24 23:02:08,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:02:08,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-24 23:02:08,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079014460] [2020-09-24 23:02:08,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-24 23:02:08,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:02:08,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-24 23:02:08,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2020-09-24 23:02:08,128 INFO L87 Difference]: Start difference. First operand 243 states and 261 transitions. Second operand 17 states. [2020-09-24 23:02:11,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:02:11,260 INFO L93 Difference]: Finished difference Result 407 states and 435 transitions. [2020-09-24 23:02:11,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 23:02:11,261 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 154 [2020-09-24 23:02:11,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:02:11,264 INFO L225 Difference]: With dead ends: 407 [2020-09-24 23:02:11,264 INFO L226 Difference]: Without dead ends: 277 [2020-09-24 23:02:11,266 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=149, Invalid=1111, Unknown=0, NotChecked=0, Total=1260 [2020-09-24 23:02:11,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-09-24 23:02:11,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 243. [2020-09-24 23:02:11,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-24 23:02:11,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 260 transitions. [2020-09-24 23:02:11,296 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 260 transitions. Word has length 154 [2020-09-24 23:02:11,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:02:11,297 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 260 transitions. [2020-09-24 23:02:11,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-24 23:02:11,297 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 260 transitions. [2020-09-24 23:02:11,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-24 23:02:11,299 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:02:11,300 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:02:11,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 23:02:11,300 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:02:11,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:02:11,301 INFO L82 PathProgramCache]: Analyzing trace with hash 55587874, now seen corresponding path program 1 times [2020-09-24 23:02:11,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:02:11,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [609056170] [2020-09-24 23:02:11,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:02:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:11,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:11,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:11,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:16,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:16,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-09-24 23:02:16,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:02:16,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-24 23:02:16,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:16,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 23:02:16,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 23:02:16,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-09-24 23:02:16,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:02:16,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:02:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:16,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:16,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:16,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 23:02:16,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:16,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-24 23:02:16,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:16,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:02:16,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:02:16,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 23:02:16,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:02:16,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 23:02:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:16,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:16,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:16,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:02:16,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:16,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 23:02:16,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:16,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:02:16,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:02:16,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:02:16,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:02:16,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 23:02:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:16,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:16,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:16,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 23:02:16,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:16,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 23:02:16,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:16,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:02:16,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:02:16,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 23:02:16,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:02:16,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:02:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:16,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:16,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:16,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:02:16,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:16,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 23:02:16,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:16,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:02:16,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:02:16,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:02:16,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:02:16,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 23:02:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:16,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:17,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:17,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-24 23:02:17,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:17,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 704 [2020-09-24 23:02:17,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:17,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 23:02:17,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 23:02:17,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-24 23:02:17,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:02:17,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 23:02:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:17,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:17,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:17,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 23:02:17,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:17,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-24 23:02:17,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:17,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 23:02:17,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 23:02:17,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 23:02:17,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:02:17,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:02:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:17,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:17,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:17,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 23:02:17,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:17,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-24 23:02:17,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:17,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:02:17,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 23:02:17,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 23:02:17,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:02:17,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:02:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:17,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:17,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:17,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:02:17,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:17,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 23:02:17,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:17,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:02:17,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:02:17,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:02:17,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:02:17,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-24 23:02:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:17,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:17,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:17,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:02:17,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:17,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 23:02:17,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:17,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:02:17,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:02:17,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 23:02:17,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:02:17,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-09-24 23:02:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:17,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:17,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:17,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 23:02:17,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:17,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-24 23:02:17,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:17,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 23:02:17,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 23:02:17,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 23:02:17,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:02:17,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:02:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:17,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:18,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:18,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:02:18,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:18,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-24 23:02:18,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:18,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:02:18,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 23:02:18,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 23:02:18,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:02:18,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-24 23:02:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:18,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:18,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:18,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:02:18,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:18,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 23:02:18,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:18,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:02:18,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:02:18,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 23:02:18,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:02:18,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:02:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:02:18,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:02:18,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:02:18,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:02:18,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:02:18,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 23:02:18,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:02:18,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:02:18,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:02:18,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:02:18,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:02:18,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-24 23:02:18,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [609056170] [2020-09-24 23:02:18,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:02:18,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 23:02:18,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493299750] [2020-09-24 23:02:18,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 23:02:18,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:02:18,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 23:02:18,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 23:02:18,168 INFO L87 Difference]: Start difference. First operand 243 states and 260 transitions. Second operand 7 states. [2020-09-24 23:02:18,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:02:18,769 INFO L93 Difference]: Finished difference Result 243 states and 260 transitions. [2020-09-24 23:02:18,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 23:02:18,770 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 156 [2020-09-24 23:02:18,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:02:18,771 INFO L225 Difference]: With dead ends: 243 [2020-09-24 23:02:18,771 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 23:02:18,772 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-09-24 23:02:18,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 23:02:18,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 23:02:18,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 23:02:18,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 23:02:18,773 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2020-09-24 23:02:18,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:02:18,773 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 23:02:18,774 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 23:02:18,774 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 23:02:18,774 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 23:02:18,774 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 23:02:18,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.