/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:24:07,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:24:07,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:24:08,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:24:08,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:24:08,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:24:08,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:24:08,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:24:08,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:24:08,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:24:08,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:24:08,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:24:08,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:24:08,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:24:08,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:24:08,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:24:08,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:24:08,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:24:08,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:24:08,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:24:08,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:24:08,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:24:08,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:24:08,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:24:08,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:24:08,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:24:08,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:24:08,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:24:08,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:24:08,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:24:08,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:24:08,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:24:08,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:24:08,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:24:08,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:24:08,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:24:08,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:24:08,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:24:08,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:24:08,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:24:08,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:24:08,096 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 04:24:08,137 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:24:08,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:24:08,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:24:08,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:24:08,140 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:24:08,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:24:08,141 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:24:08,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:24:08,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:24:08,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:24:08,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:24:08,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:24:08,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:24:08,143 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:24:08,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:24:08,144 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:24:08,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:24:08,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:24:08,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:24:08,144 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:24:08,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:24:08,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:24:08,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:24:08,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:24:08,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:24:08,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:24:08,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:24:08,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:24:08,146 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:24:08,146 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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=WIDESTAMONGSMALL;tolerance=0.2;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=WIDESTAMONGSMALL;tolerance=0.2;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=WIDESTAMONGSMALL;tolerance=0.2;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=WIDESTAMONGSMALL;tolerance=0.2;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=WIDESTAMONGSMALL;tolerance=0.2;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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 04:24:08,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:24:08,603 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:24:08,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:24:08,610 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:24:08,611 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:24:08,612 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i [2020-09-25 04:24:08,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e64581370/a091504a75fd444d87a74f308fbf22d7/FLAGc214850c8 [2020-09-25 04:24:09,317 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:24:09,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i [2020-09-25 04:24:09,336 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e64581370/a091504a75fd444d87a74f308fbf22d7/FLAGc214850c8 [2020-09-25 04:24:09,557 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e64581370/a091504a75fd444d87a74f308fbf22d7 [2020-09-25 04:24:09,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:24:09,576 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:24:09,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:24:09,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:24:09,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:24:09,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:24:09" (1/1) ... [2020-09-25 04:24:09,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@105928f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:24:09, skipping insertion in model container [2020-09-25 04:24:09,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:24:09" (1/1) ... [2020-09-25 04:24:09,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:24:09,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:24:10,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:24:10,198 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:24:10,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:24:10,357 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:24:10,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:24:10 WrapperNode [2020-09-25 04:24:10,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:24:10,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:24:10,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:24:10,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:24:10,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:24:10" (1/1) ... [2020-09-25 04:24:10,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:24:10" (1/1) ... [2020-09-25 04:24:10,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:24:10" (1/1) ... [2020-09-25 04:24:10,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:24:10" (1/1) ... [2020-09-25 04:24:10,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:24:10" (1/1) ... [2020-09-25 04:24:10,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:24:10" (1/1) ... [2020-09-25 04:24:10,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:24:10" (1/1) ... [2020-09-25 04:24:10,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:24:10,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:24:10,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:24:10,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:24:10,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:24:10" (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 [2020-09-25 04:24:10,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:24:10,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:24:10,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-25 04:24:10,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-25 04:24:10,522 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 04:24:10,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 04:24:10,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-09-25 04:24:10,522 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-09-25 04:24:10,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-09-25 04:24:10,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-09-25 04:24:10,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-09-25 04:24:10,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-09-25 04:24:10,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-09-25 04:24:10,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-09-25 04:24:10,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-09-25 04:24:10,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 04:24:10,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-09-25 04:24:10,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-09-25 04:24:10,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-09-25 04:24:10,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 04:24:10,525 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-25 04:24:10,525 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-25 04:24:10,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 04:24:10,526 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-09-25 04:24:10,526 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:24:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-25 04:24:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-25 04:24:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-25 04:24:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-25 04:24:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-25 04:24:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-25 04:24:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-25 04:24:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-25 04:24:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-25 04:24:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-25 04:24:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-25 04:24:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-25 04:24:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-25 04:24:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-25 04:24:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-25 04:24:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-25 04:24:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-25 04:24:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-25 04:24:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-25 04:24:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-25 04:24:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-25 04:24:10,530 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-25 04:24:10,530 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-25 04:24:10,530 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-25 04:24:10,530 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-25 04:24:10,530 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-25 04:24:10,530 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-25 04:24:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-25 04:24:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-25 04:24:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-25 04:24:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-25 04:24:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-25 04:24:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-25 04:24:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-25 04:24:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-25 04:24:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-25 04:24:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-25 04:24:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-25 04:24:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-25 04:24:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-25 04:24:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-25 04:24:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-25 04:24:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-25 04:24:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-25 04:24:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-25 04:24:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-25 04:24:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-25 04:24:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-25 04:24:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-25 04:24:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-25 04:24:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-25 04:24:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-25 04:24:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:24:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 04:24:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 04:24:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:24:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 04:24:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-25 04:24:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 04:24:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-25 04:24:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 04:24:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-25 04:24:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-25 04:24:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 04:24:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-25 04:24:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-25 04:24:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-25 04:24:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-25 04:24:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-25 04:24:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-25 04:24:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-25 04:24:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-25 04:24:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-25 04:24:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-25 04:24:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-25 04:24:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-25 04:24:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-25 04:24:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-25 04:24:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-25 04:24:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-25 04:24:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-25 04:24:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-25 04:24:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-25 04:24:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-25 04:24:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-25 04:24:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-25 04:24:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-25 04:24:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-25 04:24:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-25 04:24:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-25 04:24:10,541 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-25 04:24:10,541 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-25 04:24:10,541 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-25 04:24:10,541 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-25 04:24:10,541 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-25 04:24:10,541 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-25 04:24:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-25 04:24:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-25 04:24:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-25 04:24:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-25 04:24:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-25 04:24:10,543 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-25 04:24:10,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:24:10,543 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 04:24:10,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:24:10,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 04:24:10,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:24:10,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-09-25 04:24:10,544 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-09-25 04:24:10,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:24:10,544 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-09-25 04:24:10,544 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-09-25 04:24:10,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-09-25 04:24:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:24:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-09-25 04:24:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-09-25 04:24:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-09-25 04:24:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-09-25 04:24:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 04:24:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-09-25 04:24:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-09-25 04:24:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-09-25 04:24:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:24:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 04:24:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-25 04:24:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-25 04:24:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 04:24:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-09-25 04:24:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:24:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:24:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:24:10,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 04:24:10,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:24:11,298 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:24:11,299 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-25 04:24:11,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:24:11 BoogieIcfgContainer [2020-09-25 04:24:11,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:24:11,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:24:11,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:24:11,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:24:11,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:24:09" (1/3) ... [2020-09-25 04:24:11,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275c3c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:24:11, skipping insertion in model container [2020-09-25 04:24:11,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:24:10" (2/3) ... [2020-09-25 04:24:11,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275c3c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:24:11, skipping insertion in model container [2020-09-25 04:24:11,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:24:11" (3/3) ... [2020-09-25 04:24:11,314 INFO L109 eAbstractionObserver]: Analyzing ICFG test_mutex_double_lock.i [2020-09-25 04:24:11,326 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:24:11,338 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-09-25 04:24:11,383 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-09-25 04:24:11,416 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:24:11,416 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:24:11,416 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:24:11,416 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:24:11,416 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:24:11,417 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:24:11,417 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:24:11,417 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:24:11,446 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2020-09-25 04:24:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-25 04:24:11,456 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:24:11,457 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:24:11,458 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:24:11,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:24:11,466 INFO L82 PathProgramCache]: Analyzing trace with hash 899835465, now seen corresponding path program 1 times [2020-09-25 04:24:11,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:24:11,475 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [569443282] [2020-09-25 04:24:11,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:24:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:11,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:12,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:12,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-25 04:24:12,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:12,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 449 [2020-09-25 04:24:12,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:12,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 04:24:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-25 04:24:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 04:24:12,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 04:24:12,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:24:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:12,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:12,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:12,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:24:12,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:12,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 04:24:12,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:12,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:12,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:12,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:12,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:12,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:12,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-25 04:24:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:12,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:12,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:12,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:24:12,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:12,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:24:12,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:12,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:12,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:12,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 04:24:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:12,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:12,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:12,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:24:12,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:12,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 04:24:12,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:12,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:12,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:12,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:12,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:12,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:12,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:24:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:12,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:12,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:12,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:24:12,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:12,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:24:12,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:12,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:12,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:12,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:12,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:12,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:12,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-25 04:24:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:12,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:12,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:12,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:24:12,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:12,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 04:24:12,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:12,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:12,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:12,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:12,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:12,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:12,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:24:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:12,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:12,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:12,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:24:12,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:12,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:24:12,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:12,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:12,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:12,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:12,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:12,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:12,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 04:24:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:12,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:12,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:12,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:24:12,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:12,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 04:24:12,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:12,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:12,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 04:24:12,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:12,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 04:24:12,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:12,497 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-25 04:24:12,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [569443282] [2020-09-25 04:24:12,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:24:12,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 04:24:12,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229026969] [2020-09-25 04:24:12,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 04:24:12,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:24:12,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 04:24:12,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-25 04:24:12,529 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 6 states. [2020-09-25 04:24:13,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:24:13,266 INFO L93 Difference]: Finished difference Result 367 states and 421 transitions. [2020-09-25 04:24:13,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 04:24:13,268 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-09-25 04:24:13,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:24:13,286 INFO L225 Difference]: With dead ends: 367 [2020-09-25 04:24:13,286 INFO L226 Difference]: Without dead ends: 192 [2020-09-25 04:24:13,292 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-09-25 04:24:13,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-09-25 04:24:13,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 172. [2020-09-25 04:24:13,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-09-25 04:24:13,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 184 transitions. [2020-09-25 04:24:13,398 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 184 transitions. Word has length 60 [2020-09-25 04:24:13,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:24:13,400 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 184 transitions. [2020-09-25 04:24:13,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 04:24:13,400 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 184 transitions. [2020-09-25 04:24:13,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-25 04:24:13,404 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:24:13,404 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:24:13,405 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:24:13,405 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:24:13,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:24:13,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1713006157, now seen corresponding path program 1 times [2020-09-25 04:24:13,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:24:13,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1451882251] [2020-09-25 04:24:13,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:24:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:13,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:14,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:14,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:24:14,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:14,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 607 [2020-09-25 04:24:14,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:14,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:14,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-25 04:24:14,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 04:24:14,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 04:24:14,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:14,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:24:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:14,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:14,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:14,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:24:14,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:14,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 04:24:14,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:14,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:14,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:24:14,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:14,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:24:14,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:14,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-25 04:24:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:14,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:14,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:14,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:24:14,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:14,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 04:24:14,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:14,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:14,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:24:14,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:14,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:24:14,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:14,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 04:24:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:14,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:14,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:14,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:24:14,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:14,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 04:24:14,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:14,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:14,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:24:14,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:14,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 04:24:14,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:14,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:24:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:14,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:14,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:14,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:24:14,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:14,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:24:14,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:14,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:14,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:14,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:14,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:14,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:14,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-25 04:24:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:14,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:14,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:14,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:24:14,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:14,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 04:24:14,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:14,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:24:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 04:24:14,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:14,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:24:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:14,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:14,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:14,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:24:14,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:14,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:24:14,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:14,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:14,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:14,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:14,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:14,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:14,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 04:24:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:14,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:14,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:14,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 04:24:14,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:14,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-25 04:24:14,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:14,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:14,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 04:24:14,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 04:24:14,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 04:24:14,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:24:14,727 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-25 04:24:14,728 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1451882251] [2020-09-25 04:24:14,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:24:14,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 04:24:14,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812701362] [2020-09-25 04:24:14,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 04:24:14,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:24:14,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 04:24:14,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:24:14,733 INFO L87 Difference]: Start difference. First operand 172 states and 184 transitions. Second operand 10 states. [2020-09-25 04:24:15,089 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2020-09-25 04:24:15,382 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2020-09-25 04:24:16,222 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2020-09-25 04:24:17,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:24:17,071 INFO L93 Difference]: Finished difference Result 494 states and 552 transitions. [2020-09-25 04:24:17,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-25 04:24:17,072 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2020-09-25 04:24:17,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:24:17,078 INFO L225 Difference]: With dead ends: 494 [2020-09-25 04:24:17,078 INFO L226 Difference]: Without dead ends: 343 [2020-09-25 04:24:17,081 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2020-09-25 04:24:17,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-09-25 04:24:17,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 277. [2020-09-25 04:24:17,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-09-25 04:24:17,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 308 transitions. [2020-09-25 04:24:17,124 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 308 transitions. Word has length 63 [2020-09-25 04:24:17,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:24:17,125 INFO L479 AbstractCegarLoop]: Abstraction has 277 states and 308 transitions. [2020-09-25 04:24:17,125 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 04:24:17,125 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 308 transitions. [2020-09-25 04:24:17,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-09-25 04:24:17,129 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:24:17,129 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:24:17,129 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:24:17,130 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:24:17,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:24:17,130 INFO L82 PathProgramCache]: Analyzing trace with hash 2101448545, now seen corresponding path program 1 times [2020-09-25 04:24:17,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:24:17,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [973753755] [2020-09-25 04:24:17,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:24:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:17,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:17,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:18,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:18,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-25 04:24:18,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:24:18,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 952 [2020-09-25 04:24:18,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:18,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:18,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 04:24:18,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-09-25 04:24:18,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 04:24:18,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:24:18,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:24:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:18,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:18,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:18,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:24:18,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:18,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 04:24:18,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:18,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:18,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:18,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:18,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:18,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:18,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-25 04:24:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:18,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:18,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:18,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:24:18,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:18,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:24:18,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:18,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:18,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:18,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:18,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:18,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:18,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 04:24:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:18,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:18,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:18,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:24:18,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:18,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 04:24:18,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:18,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:18,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:18,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:18,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:18,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:24:18,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:24:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:18,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:18,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:18,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:24:18,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:18,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:24:18,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:18,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:18,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:18,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:18,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:18,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:18,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-25 04:24:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:18,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:18,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:18,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:24:18,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:18,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 04:24:18,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:18,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:18,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:18,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:18,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:18,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:18,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:24:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:18,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:18,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:18,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:24:18,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:18,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:24:18,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:18,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:18,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:18,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:18,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:18,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:18,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 04:24:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:18,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:18,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:18,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 04:24:18,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:18,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 04:24:18,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:18,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:18,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 04:24:18,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-25 04:24:18,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 04:24:18,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:18,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:24:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:18,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:18,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:18,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:24:18,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:18,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 04:24:18,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:18,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:18,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:18,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:18,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:18,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:18,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-25 04:24:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:18,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:18,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:18,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:24:18,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:18,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-25 04:24:18,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:18,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:18,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 04:24:18,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:24:18,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 04:24:18,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:18,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:24:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:18,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:18,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:18,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:24:18,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:18,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 04:24:18,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:18,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:18,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 04:24:18,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:18,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 04:24:18,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:18,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-25 04:24:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:18,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:18,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:18,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:18,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 04:24:18,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:24:18,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-09-25 04:24:18,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:18,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:18,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:18,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-25 04:24:18,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:18,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:18,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:24:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:18,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:18,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:18,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:24:18,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:18,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:24:18,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:18,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:18,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:18,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:18,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:18,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:18,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-25 04:24:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:18,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:18,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:18,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:18,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:24:18,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:24:18,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 04:24:18,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:18,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:18,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:18,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:18,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:18,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:18,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:24:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:18,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:18,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:18,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:24:18,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:18,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 04:24:18,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:18,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:18,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:18,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:18,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:18,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:18,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-25 04:24:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:18,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:18,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:18,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:24:18,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:18,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 04:24:18,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:18,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:18,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:18,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 04:24:18,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:18,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:24:18,977 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-09-25 04:24:18,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [973753755] [2020-09-25 04:24:18,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 04:24:18,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-25 04:24:18,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513811354] [2020-09-25 04:24:18,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 04:24:18,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:24:18,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 04:24:18,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 04:24:18,982 INFO L87 Difference]: Start difference. First operand 277 states and 308 transitions. Second operand 7 states. [2020-09-25 04:24:19,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:24:19,600 INFO L93 Difference]: Finished difference Result 511 states and 568 transitions. [2020-09-25 04:24:19,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:24:19,601 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 138 [2020-09-25 04:24:19,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:24:19,606 INFO L225 Difference]: With dead ends: 511 [2020-09-25 04:24:19,607 INFO L226 Difference]: Without dead ends: 286 [2020-09-25 04:24:19,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:24:19,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-25 04:24:19,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 283. [2020-09-25 04:24:19,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-09-25 04:24:19,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 314 transitions. [2020-09-25 04:24:19,670 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 314 transitions. Word has length 138 [2020-09-25 04:24:19,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:24:19,674 INFO L479 AbstractCegarLoop]: Abstraction has 283 states and 314 transitions. [2020-09-25 04:24:19,697 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 04:24:19,697 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 314 transitions. [2020-09-25 04:24:19,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-09-25 04:24:19,709 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:24:19,709 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:24:19,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:24:19,710 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:24:19,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:24:19,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1665265261, now seen corresponding path program 1 times [2020-09-25 04:24:19,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:24:19,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1782782069] [2020-09-25 04:24:19,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:24:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:19,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:19,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:20,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:24,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:24,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-09-25 04:24:24,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:24:24,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-25 04:24:24,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:24,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:24,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-25 04:24:24,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 04:24:24,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-25 04:24:24,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:24,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:24:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:24,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:24,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:24,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:24:24,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:24,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 04:24:24,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:24,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:24,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:24:24,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:24,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:24:24,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:24,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-25 04:24:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:24,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:24,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:24,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:24:24,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:24,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:24:24,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:24,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:24,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:24:24,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:24,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:24:24,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:24,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 04:24:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:24,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:24,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:24,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:24:24,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:24,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 04:24:24,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:24,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:24,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:24:24,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:24,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 04:24:24,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:24,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:24:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:24,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:24,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:24,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:24:24,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:24,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:24:24,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:24,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:24,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:24,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:24,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:24,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:24,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-25 04:24:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:24,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:25,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:25,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:24:25,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:25,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 04:24:25,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:25,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:25,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:24:25,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:25,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 04:24:25,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:25,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:24:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:25,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:25,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:25,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:24:25,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:25,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:24:25,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:25,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:25,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:25,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:25,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:25,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:25,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 04:24:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:25,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:25,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:25,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:25,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 04:24:25,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:24:25,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 910 [2020-09-25 04:24:25,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:25,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:25,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-25 04:24:25,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 04:24:25,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-25 04:24:25,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:24:26,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:24:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:26,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:26,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:26,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:24:26,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:26,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 04:24:26,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:26,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:26,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:24:26,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:26,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 04:24:26,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:26,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-25 04:24:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:26,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:26,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:26,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 04:24:26,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:26,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-09-25 04:24:26,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:26,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:26,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 04:24:26,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 04:24:26,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 04:24:26,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:26,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:24:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:26,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:26,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:26,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 04:24:26,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:26,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 04:24:26,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:26,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:26,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 04:24:26,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:26,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 04:24:26,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:26,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:24:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:26,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:26,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:27,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:27,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 04:24:27,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:24:27,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 492 [2020-09-25 04:24:27,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:27,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:27,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:27,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-09-25 04:24:27,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:27,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:27,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:24:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:27,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:27,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:27,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:24:27,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:27,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:24:27,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:27,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:27,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:27,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:27,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:27,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:27,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-25 04:24:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:27,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:27,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:27,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 04:24:27,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:27,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 04:24:27,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:27,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:27,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:27,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:27,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:27,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:24:27,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:24:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:27,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:27,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:27,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 04:24:27,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:27,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:24:27,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:27,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:27,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:27,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:27,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:27,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:27,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 04:24:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:27,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:27,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:27,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:24:27,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:27,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:24:27,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:27,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:27,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:27,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 04:24:27,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:27,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:24:27,138 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 8 proven. 42 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-09-25 04:24:27,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1782782069] [2020-09-25 04:24:27,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 04:24:27,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-25 04:24:27,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330558118] [2020-09-25 04:24:27,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-25 04:24:27,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:24:27,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-25 04:24:27,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-09-25 04:24:27,141 INFO L87 Difference]: Start difference. First operand 283 states and 314 transitions. Second operand 15 states. [2020-09-25 04:24:27,813 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2020-09-25 04:24:27,971 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2020-09-25 04:24:28,955 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2020-09-25 04:24:29,111 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2020-09-25 04:24:29,780 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2020-09-25 04:24:30,035 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-09-25 04:24:31,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:24:31,552 INFO L93 Difference]: Finished difference Result 698 states and 773 transitions. [2020-09-25 04:24:31,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-09-25 04:24:31,554 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 144 [2020-09-25 04:24:31,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:24:31,557 INFO L225 Difference]: With dead ends: 698 [2020-09-25 04:24:31,557 INFO L226 Difference]: Without dead ends: 397 [2020-09-25 04:24:31,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 685 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=499, Invalid=2153, Unknown=0, NotChecked=0, Total=2652 [2020-09-25 04:24:31,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2020-09-25 04:24:31,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 281. [2020-09-25 04:24:31,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-09-25 04:24:31,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 304 transitions. [2020-09-25 04:24:31,582 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 304 transitions. Word has length 144 [2020-09-25 04:24:31,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:24:31,582 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 304 transitions. [2020-09-25 04:24:31,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-25 04:24:31,583 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 304 transitions. [2020-09-25 04:24:31,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-09-25 04:24:31,585 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:24:31,585 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:24:31,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:24:31,585 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:24:31,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:24:31,586 INFO L82 PathProgramCache]: Analyzing trace with hash 203347141, now seen corresponding path program 1 times [2020-09-25 04:24:31,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:24:31,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1357117392] [2020-09-25 04:24:31,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:24:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 04:24:31,635 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 04:24:31,635 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 04:24:31,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 04:24:31,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 04:24:31 BoogieIcfgContainer [2020-09-25 04:24:31,665 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 04:24:31,667 INFO L168 Benchmark]: Toolchain (without parser) took 22095.87 ms. Allocated memory was 139.5 MB in the beginning and 450.9 MB in the end (delta: 311.4 MB). Free memory was 101.3 MB in the beginning and 254.0 MB in the end (delta: -152.7 MB). Peak memory consumption was 158.8 MB. Max. memory is 7.1 GB. [2020-09-25 04:24:31,668 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 04:24:31,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 781.84 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 100.9 MB in the beginning and 165.2 MB in the end (delta: -64.3 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2020-09-25 04:24:31,670 INFO L168 Benchmark]: Boogie Preprocessor took 83.53 ms. Allocated memory is still 203.9 MB. Free memory was 165.2 MB in the beginning and 161.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-25 04:24:31,671 INFO L168 Benchmark]: RCFGBuilder took 862.05 ms. Allocated memory is still 203.9 MB. Free memory was 161.1 MB in the beginning and 92.4 MB in the end (delta: 68.7 MB). Peak memory consumption was 68.7 MB. Max. memory is 7.1 GB. [2020-09-25 04:24:31,671 INFO L168 Benchmark]: TraceAbstraction took 20358.95 ms. Allocated memory was 203.9 MB in the beginning and 450.9 MB in the end (delta: 246.9 MB). Free memory was 92.4 MB in the beginning and 254.0 MB in the end (delta: -161.6 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2020-09-25 04:24:31,676 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 781.84 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 100.9 MB in the beginning and 165.2 MB in the end (delta: -64.3 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.53 ms. Allocated memory is still 203.9 MB. Free memory was 165.2 MB in the beginning and 161.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 862.05 ms. Allocated memory is still 203.9 MB. Free memory was 161.1 MB in the beginning and 92.4 MB in the end (delta: 68.7 MB). Peak memory consumption was 68.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20358.95 ms. Allocated memory was 203.9 MB in the beginning and 450.9 MB in the end (delta: 246.9 MB). Free memory was 92.4 MB in the beginning and 254.0 MB in the end (delta: -161.6 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 658]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L654] struct ldv_list_head mutexes = { &(mutexes), &(mutexes) }; [L681] CALL foo() [L670] FCALL ldv_initialize() [L671] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L565] void *ptr = malloc(size); [L566] CALL assume_abort_if_not(ptr!=0) [L554] COND FALSE !(!cond) [L566] RET assume_abort_if_not(ptr!=0) [L567] return ptr; [L671] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L671] struct mutex *m1 = ldv_successful_malloc(sizeof(struct mutex)); [L672] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L565] void *ptr = malloc(size); [L566] CALL assume_abort_if_not(ptr!=0) [L554] COND FALSE !(!cond) [L566] RET assume_abort_if_not(ptr!=0) [L567] return ptr; [L672] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L672] struct mutex *m2 = ldv_successful_malloc(sizeof(struct mutex)); [L673] CALL mutex_lock(m1) [L658] CALL ldv_is_in_set(m, &mutexes) [L643] struct ldv_list_element *m; [L644] EXPR (s)->next [L644] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L644] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L644] COND FALSE !(&m->list != (s)) [L649] return 0; [L658] RET ldv_is_in_set(m, &mutexes) [L658] COND FALSE !(ldv_is_in_set(m, &mutexes)) [L659] CALL ldv_set_add(m, &mutexes) [L625] CALL, EXPR ldv_is_in_set(new, s) [L643] struct ldv_list_element *m; [L644] EXPR (s)->next [L644] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L644] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L644] COND FALSE !(&m->list != (s)) [L649] return 0; [L625] RET, EXPR ldv_is_in_set(new, s) [L625] COND TRUE !ldv_is_in_set(new, s) [L626] struct ldv_list_element *le; [L627] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) [L565] void *ptr = malloc(size); [L566] CALL assume_abort_if_not(ptr!=0) [L554] COND FALSE !(!cond) [L566] RET assume_abort_if_not(ptr!=0) [L567] return ptr; [L627] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) [L627] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L628] le->e = new [L629] CALL ldv_list_add(&le->list, s) [L597] EXPR head->next [L597] CALL __ldv_list_add(new, head, head->next) [L585] next->prev = new [L586] new->next = next [L587] new->prev = prev [L588] prev->next = new [L597] RET __ldv_list_add(new, head, head->next) [L629] RET ldv_list_add(&le->list, s) [L659] RET ldv_set_add(m, &mutexes) [L673] RET mutex_lock(m1) [L674] CALL mutex_lock(m1) [L658] CALL ldv_is_in_set(m, &mutexes) [L643] struct ldv_list_element *m; [L644] EXPR (s)->next [L644] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L644] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L644] COND TRUE &m->list != (s) [L645] EXPR m->e [L645] COND TRUE m->e == e [L646] return 1; [L658] RET ldv_is_in_set(m, &mutexes) [L658] COND TRUE ldv_is_in_set(m, &mutexes) [L658] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 215 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 20.2s, OverallIterations: 5, TraceHistogramMax: 5, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 769 SDtfs, 1616 SDslu, 569 SDs, 0 SdLazy, 3364 SolverSat, 351 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 199 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 791 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=283occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 205 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 11.2s InterpolantComputationTime, 540 NumberOfCodeBlocks, 540 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 401 ConstructedInterpolants, 0 QuantifiedInterpolants, 187486 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 238/293 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...