/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_add-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:24:07,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:24:07,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:24:07,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:24:07,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:24:07,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:24:07,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:24:07,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:24:07,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:24:07,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:24:07,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:24:07,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:24:07,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:24:07,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:24:07,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:24:07,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:24:07,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:24:07,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:24:07,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:24:07,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:24:07,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:24:07,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:24:07,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:24:07,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:24:07,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:24:07,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:24:07,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:24:07,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:24:07,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:24:07,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:24:07,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:24:07,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:24:07,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:24:07,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:24:07,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:24:07,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:24:07,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:24:07,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:24:07,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:24:07,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:24:07,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:24:07,579 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 04:24:07,605 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:24:07,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:24:07,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:24:07,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:24:07,607 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:24:07,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:24:07,607 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:24:07,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:24:07,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:24:07,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:24:07,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:24:07,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:24:07,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:24:07,609 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:24:07,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:24:07,609 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:24:07,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:24:07,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:24:07,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:24:07,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:24:07,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:24:07,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:24:07,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:24:07,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:24:07,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:24:07,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:24:07,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:24:07,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:24:07,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:24:07,612 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 04:24:08,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:24:08,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:24:08,075 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:24:08,076 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:24:08,077 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:24:08,078 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_add-2.i [2020-09-25 04:24:08,156 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a568ea86b/bbc7bf7188ed4206944cd7f4f5170f95/FLAG55b548f2d [2020-09-25 04:24:08,858 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:24:08,859 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_add-2.i [2020-09-25 04:24:08,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a568ea86b/bbc7bf7188ed4206944cd7f4f5170f95/FLAG55b548f2d [2020-09-25 04:24:09,051 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a568ea86b/bbc7bf7188ed4206944cd7f4f5170f95 [2020-09-25 04:24:09,064 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:24:09,070 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:24:09,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:24:09,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:24:09,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:24:09,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:24:09" (1/1) ... [2020-09-25 04:24:09,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1f11fa 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 04:24:09,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:24:09" (1/1) ... [2020-09-25 04:24:09,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:24:09,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:24:09,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:24:09,632 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:24:09,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:24:09,778 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:24:09,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:24:09 WrapperNode [2020-09-25 04:24:09,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:24:09,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:24:09,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:24:09,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:24:09,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:24:09" (1/1) ... [2020-09-25 04:24:09,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:24:09" (1/1) ... [2020-09-25 04:24:09,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:24:09" (1/1) ... [2020-09-25 04:24:09,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:24:09" (1/1) ... [2020-09-25 04:24:09,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:24:09" (1/1) ... [2020-09-25 04:24:09,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:24:09" (1/1) ... [2020-09-25 04:24:09,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:24:09" (1/1) ... [2020-09-25 04:24:09,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:24:09,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:24:09,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:24:09,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:24:09,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:24:09" (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 04:24:09,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:24:09,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:24:09,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-25 04:24:09,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-25 04:24:09,949 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 04:24:09,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 04:24:09,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-09-25 04:24:09,951 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-09-25 04:24:09,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-09-25 04:24:09,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-09-25 04:24:09,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-09-25 04:24:09,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-09-25 04:24:09,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-09-25 04:24:09,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-09-25 04:24:09,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-09-25 04:24:09,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 04:24:09,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-09-25 04:24:09,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-09-25 04:24:09,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-09-25 04:24:09,955 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-09-25 04:24:09,955 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:24:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-25 04:24:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-25 04:24:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-25 04:24:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-25 04:24:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-25 04:24:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-25 04:24:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-25 04:24:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-25 04:24:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-25 04:24:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-25 04:24:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-25 04:24:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-25 04:24:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-25 04:24:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-25 04:24:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-25 04:24:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-25 04:24:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-25 04:24:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-25 04:24:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-25 04:24:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-25 04:24:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-25 04:24:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-25 04:24:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-25 04:24:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-25 04:24:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-25 04:24:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-25 04:24:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-25 04:24:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-25 04:24:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-25 04:24:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-25 04:24:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-25 04:24:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-25 04:24:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-25 04:24:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-25 04:24:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-25 04:24:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-25 04:24:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-25 04:24:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-25 04:24:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-25 04:24:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-25 04:24:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-25 04:24:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-25 04:24:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-25 04:24:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-25 04:24:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-25 04:24:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-25 04:24:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-25 04:24:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-25 04:24:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-25 04:24:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-25 04:24:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-25 04:24:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-25 04:24:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:24:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 04:24:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 04:24:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:24:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 04:24:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-25 04:24:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 04:24:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-25 04:24:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 04:24:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-25 04:24:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-25 04:24:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 04:24:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-25 04:24:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-25 04:24:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-25 04:24:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-25 04:24:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-25 04:24:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-25 04:24:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-25 04:24:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-25 04:24:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-25 04:24:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-25 04:24:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-25 04:24:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-25 04:24:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-25 04:24:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-25 04:24:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-25 04:24:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-25 04:24:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-25 04:24:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-25 04:24:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-25 04:24:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-25 04:24:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-25 04:24:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-25 04:24:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-25 04:24:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-25 04:24:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-25 04:24:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-25 04:24:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-25 04:24:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-25 04:24:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-25 04:24:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-25 04:24:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-25 04:24:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-25 04:24:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-25 04:24:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-25 04:24:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-25 04:24:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-25 04:24:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-25 04:24:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-25 04:24:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:24:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 04:24:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:24:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 04:24:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:24:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-09-25 04:24:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-09-25 04:24:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:24:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-09-25 04:24:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-09-25 04:24:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-09-25 04:24:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:24:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-09-25 04:24:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-09-25 04:24:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-09-25 04:24:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-09-25 04:24:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 04:24:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-09-25 04:24:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-09-25 04:24:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-09-25 04:24:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:24:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:24:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:24:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-09-25 04:24:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:24:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:24:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:24:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 04:24:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:24:10,717 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:24:10,717 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-25 04:24:10,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:24:10 BoogieIcfgContainer [2020-09-25 04:24:10,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:24:10,724 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:24:10,724 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:24:10,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:24:10,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:24:09" (1/3) ... [2020-09-25 04:24:10,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a815ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:24:10, skipping insertion in model container [2020-09-25 04:24:10,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:24:09" (2/3) ... [2020-09-25 04:24:10,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a815ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:24:10, skipping insertion in model container [2020-09-25 04:24:10,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:24:10" (3/3) ... [2020-09-25 04:24:10,732 INFO L109 eAbstractionObserver]: Analyzing ICFG test_add-2.i [2020-09-25 04:24:10,741 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:24:10,752 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:24:10,773 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:24:10,799 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:24:10,800 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:24:10,800 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:24:10,800 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:24:10,800 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:24:10,800 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:24:10,801 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:24:10,801 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:24:10,826 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2020-09-25 04:24:10,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-09-25 04:24:10,836 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:24:10,838 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] [2020-09-25 04:24:10,838 INFO L427 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:24:10,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:24:10,846 INFO L82 PathProgramCache]: Analyzing trace with hash -773204813, now seen corresponding path program 1 times [2020-09-25 04:24:10,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:24:10,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1558968571] [2020-09-25 04:24:10,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:24:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:11,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:11,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:11,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-25 04:24:11,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:11,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 357 [2020-09-25 04:24:11,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:11,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:11,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 04:24:11,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-25 04:24:11,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 04:24:11,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 04:24:11,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:24:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:11,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:11,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:11,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:24:11,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:11,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 04:24:11,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:11,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:11,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:11,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:11,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:11,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:11,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 04:24:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:11,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:11,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:11,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:24:11,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:11,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 04:24:11,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:11,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:11,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 04:24:11,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:24:11,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 04:24:11,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:11,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:24:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:11,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:11,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:11,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:24:11,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:11,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 04:24:11,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:11,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:11,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 04:24:11,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:11,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 04:24:11,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:11,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 04:24:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:11,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:11,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:11,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:24:11,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:11,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 04:24:11,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:11,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:11,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:11,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 04:24:11,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:11,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:11,767 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-25 04:24:11,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1558968571] [2020-09-25 04:24:11,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 04:24:11,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-25 04:24:11,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452768374] [2020-09-25 04:24:11,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 04:24:11,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:24:11,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 04:24:11,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 04:24:11,799 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 6 states. [2020-09-25 04:24:12,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:24:12,302 INFO L93 Difference]: Finished difference Result 184 states and 205 transitions. [2020-09-25 04:24:12,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:24:12,304 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-09-25 04:24:12,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:24:12,319 INFO L225 Difference]: With dead ends: 184 [2020-09-25 04:24:12,320 INFO L226 Difference]: Without dead ends: 95 [2020-09-25 04:24:12,324 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:24:12,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-09-25 04:24:12,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2020-09-25 04:24:12,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-09-25 04:24:12,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 91 transitions. [2020-09-25 04:24:12,391 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 91 transitions. Word has length 50 [2020-09-25 04:24:12,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:24:12,392 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 91 transitions. [2020-09-25 04:24:12,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 04:24:12,393 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions. [2020-09-25 04:24:12,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 04:24:12,396 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:24:12,397 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-25 04:24:12,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:24:12,398 INFO L427 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:24:12,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:24:12,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1962919132, now seen corresponding path program 1 times [2020-09-25 04:24:12,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:24:12,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [506738557] [2020-09-25 04:24:12,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:24:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:12,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:12,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:16,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:16,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-25 04:24:16,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:24:16,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4013 [2020-09-25 04:24:16,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:16,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:16,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 04:24:16,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 04:24:16,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-25 04:24:16,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:24:16,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:24:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:16,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:16,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:16,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:24:16,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:16,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 04:24:16,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:16,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:16,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:16,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:16,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:16,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:16,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 04:24:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:16,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:16,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:16,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 04:24:16,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:16,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-09-25 04:24:16,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:16,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:16,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 04:24:16,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:16,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 04:24:16,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:16,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:24:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:16,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:16,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:16,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 04:24:16,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:16,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-25 04:24:16,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:16,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:16,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 04:24:16,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:16,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 04:24:16,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:16,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 04:24:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:17,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:17,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:17,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:24:17,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:17,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 04:24:17,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:17,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:17,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 04:24:17,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 04:24:17,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 04:24:17,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:17,080 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-25 04:24:17,080 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [506738557] [2020-09-25 04:24:17,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 04:24:17,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-25 04:24:17,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43252910] [2020-09-25 04:24:17,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 04:24:17,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:24:17,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 04:24:17,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-09-25 04:24:17,085 INFO L87 Difference]: Start difference. First operand 87 states and 91 transitions. Second operand 13 states. [2020-09-25 04:24:18,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:24:18,841 INFO L93 Difference]: Finished difference Result 165 states and 175 transitions. [2020-09-25 04:24:18,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-25 04:24:18,842 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2020-09-25 04:24:18,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:24:18,847 INFO L225 Difference]: With dead ends: 165 [2020-09-25 04:24:18,848 INFO L226 Difference]: Without dead ends: 157 [2020-09-25 04:24:18,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=220, Invalid=772, Unknown=0, NotChecked=0, Total=992 [2020-09-25 04:24:18,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-09-25 04:24:18,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 111. [2020-09-25 04:24:18,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-09-25 04:24:18,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 117 transitions. [2020-09-25 04:24:18,886 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 117 transitions. Word has length 53 [2020-09-25 04:24:18,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:24:18,887 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 117 transitions. [2020-09-25 04:24:18,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 04:24:18,887 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 117 transitions. [2020-09-25 04:24:18,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-25 04:24:18,893 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:24:18,893 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-25 04:24:18,894 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:24:18,894 INFO L427 AbstractCegarLoop]: === Iteration 3 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:24:18,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:24:18,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1545179603, now seen corresponding path program 1 times [2020-09-25 04:24:18,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:24:18,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982860664] [2020-09-25 04:24:18,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:24:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:18,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:18,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:19,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:23,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:23,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-25 04:24:23,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:24:23,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 04:24:23,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:23,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:23,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 04:24:23,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-09-25 04:24:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 04:24:23,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 04:24:23,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:24:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:23,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:23,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:23,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:24:23,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:23,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 04:24:23,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:23,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:23,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:23,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:23,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:23,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:24,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 04:24:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:24,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:24,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:24,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 04:24:24,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:24,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 04:24:24,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:24,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:24,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:24,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:24,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:24,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:24,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:24:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:24,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:24,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:24,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 04:24:24,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:24,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:24:24,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:24,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:24,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:24:24,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:24,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:24:24,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:24,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 04:24:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:24,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:24,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:24,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 04:24:24,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:24,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 04:24:24,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:24,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:24,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 04:24:24,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:24,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 04:24:24,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:24:24,124 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-25 04:24:24,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982860664] [2020-09-25 04:24:24,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:24:24,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 04:24:24,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584931464] [2020-09-25 04:24:24,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 04:24:24,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:24:24,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 04:24:24,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 04:24:24,128 INFO L87 Difference]: Start difference. First operand 111 states and 117 transitions. Second operand 6 states. [2020-09-25 04:24:24,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:24:24,458 INFO L93 Difference]: Finished difference Result 125 states and 129 transitions. [2020-09-25 04:24:24,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 04:24:24,459 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-09-25 04:24:24,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:24:24,461 INFO L225 Difference]: With dead ends: 125 [2020-09-25 04:24:24,461 INFO L226 Difference]: Without dead ends: 114 [2020-09-25 04:24:24,461 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:24:24,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-09-25 04:24:24,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 109. [2020-09-25 04:24:24,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-09-25 04:24:24,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 113 transitions. [2020-09-25 04:24:24,474 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 113 transitions. Word has length 56 [2020-09-25 04:24:24,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:24:24,474 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 113 transitions. [2020-09-25 04:24:24,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 04:24:24,474 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 113 transitions. [2020-09-25 04:24:24,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-25 04:24:24,476 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:24:24,476 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] [2020-09-25 04:24:24,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:24:24,477 INFO L427 AbstractCegarLoop]: === Iteration 4 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:24:24,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:24:24,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1384075336, now seen corresponding path program 1 times [2020-09-25 04:24:24,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:24:24,478 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588858851] [2020-09-25 04:24:24,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:24:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:24,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:24,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:24,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:29,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:29,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-25 04:24:29,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:24:29,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 04:24:29,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:29,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:29,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-25 04:24:29,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 04:24:29,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-25 04:24:29,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:29,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:24:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:29,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:29,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:29,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:24:29,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:29,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 04:24:29,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:29,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:29,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:24:29,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:29,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:24:29,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:29,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 04:24:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:29,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:29,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:29,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:29,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 04:24:29,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:24:29,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-09-25 04:24:29,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:29,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:29,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:24:29,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 04:24:29,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 04:24:29,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:29,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:24:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:29,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:29,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:29,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 04:24:29,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:29,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 04:24:29,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:29,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:29,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:24:29,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:29,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 04:24:29,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:29,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 04:24:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:29,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:29,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:29,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 04:24:29,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:29,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-25 04:24:29,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:29,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:29,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 04:24:29,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 04:24:29,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 04:24:29,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:30,058 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 04:24:30,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588858851] [2020-09-25 04:24:30,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 04:24:30,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-25 04:24:30,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214077414] [2020-09-25 04:24:30,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 04:24:30,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:24:30,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 04:24:30,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 04:24:30,062 INFO L87 Difference]: Start difference. First operand 109 states and 113 transitions. Second operand 11 states. [2020-09-25 04:24:31,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:24:31,196 INFO L93 Difference]: Finished difference Result 173 states and 179 transitions. [2020-09-25 04:24:31,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-25 04:24:31,196 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2020-09-25 04:24:31,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:24:31,201 INFO L225 Difference]: With dead ends: 173 [2020-09-25 04:24:31,201 INFO L226 Difference]: Without dead ends: 130 [2020-09-25 04:24:31,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=227, Invalid=529, Unknown=0, NotChecked=0, Total=756 [2020-09-25 04:24:31,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-09-25 04:24:31,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 100. [2020-09-25 04:24:31,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-09-25 04:24:31,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 102 transitions. [2020-09-25 04:24:31,223 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 102 transitions. Word has length 61 [2020-09-25 04:24:31,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:24:31,223 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 102 transitions. [2020-09-25 04:24:31,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 04:24:31,224 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 102 transitions. [2020-09-25 04:24:31,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-09-25 04:24:31,224 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:24:31,225 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:24:31,225 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:24:31,225 INFO L427 AbstractCegarLoop]: === Iteration 5 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:24:31,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:24:31,225 INFO L82 PathProgramCache]: Analyzing trace with hash 976010630, now seen corresponding path program 1 times [2020-09-25 04:24:31,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:24:31,226 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2053135218] [2020-09-25 04:24:31,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:24:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:31,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:32,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:32,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-25 04:24:32,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:32,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1506 [2020-09-25 04:24:32,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:32,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:32,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-25 04:24:32,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 04:24:32,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-09-25 04:24:32,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:24:32,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:24:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:32,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:32,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:32,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:24:32,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:32,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 04:24:32,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:32,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:32,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:24:32,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:32,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 04:24:32,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:24:32,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 04:24:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:32,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:33,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:33,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-25 04:24:33,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:33,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 857 [2020-09-25 04:24:33,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:33,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:33,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 04:24:33,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:33,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-25 04:24:33,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 04:24:33,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:24:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:33,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:33,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:33,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:24:33,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:33,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 04:24:33,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:33,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:33,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:24:33,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:33,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 04:24:33,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:33,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-25 04:24:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:33,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:33,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:33,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:24:33,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:33,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 04:24:33,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:33,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:33,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:24:33,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:33,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 04:24:33,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:34,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:24:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:34,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:34,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:34,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:24:34,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:34,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 04:24:34,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:34,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:34,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:24:34,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:34,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:24:34,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:34,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 04:24:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:34,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:34,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:34,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-25 04:24:34,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:34,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-09-25 04:24:34,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:34,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:34,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 04:24:34,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:34,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 04:24:34,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:34,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:24:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:34,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:34,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:34,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 04:24:34,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:34,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-25 04:24:34,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:34,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:34,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:24:34,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:34,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 04:24:34,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 04:24:34,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-09-25 04:24:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:34,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:34,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:34,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:24:34,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:34,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 04:24:34,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:34,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:34,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 04:24:34,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 04:24:34,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 04:24:34,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:35,050 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 04:24:35,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2053135218] [2020-09-25 04:24:35,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:24:35,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-09-25 04:24:35,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615370058] [2020-09-25 04:24:35,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-09-25 04:24:35,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:24:35,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-09-25 04:24:35,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=594, Unknown=0, NotChecked=0, Total=650 [2020-09-25 04:24:35,054 INFO L87 Difference]: Start difference. First operand 100 states and 102 transitions. Second operand 26 states. [2020-09-25 04:24:37,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:24:37,973 INFO L93 Difference]: Finished difference Result 131 states and 135 transitions. [2020-09-25 04:24:37,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-09-25 04:24:37,974 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 83 [2020-09-25 04:24:37,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:24:37,975 INFO L225 Difference]: With dead ends: 131 [2020-09-25 04:24:37,975 INFO L226 Difference]: Without dead ends: 123 [2020-09-25 04:24:37,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=430, Invalid=2876, Unknown=0, NotChecked=0, Total=3306 [2020-09-25 04:24:37,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-25 04:24:37,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 101. [2020-09-25 04:24:37,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-09-25 04:24:37,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 103 transitions. [2020-09-25 04:24:37,988 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 103 transitions. Word has length 83 [2020-09-25 04:24:37,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:24:37,988 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 103 transitions. [2020-09-25 04:24:37,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-09-25 04:24:37,989 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 103 transitions. [2020-09-25 04:24:37,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-09-25 04:24:37,989 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:24:37,990 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, 1, 1, 1, 1, 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 04:24:37,990 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 04:24:37,990 INFO L427 AbstractCegarLoop]: === Iteration 6 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:24:37,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:24:37,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1740877654, now seen corresponding path program 1 times [2020-09-25 04:24:37,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:24:37,991 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [603513633] [2020-09-25 04:24:37,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:24:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:38,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:38,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:40,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:43,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:43,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-25 04:24:43,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:24:43,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 04:24:43,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:43,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:43,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-25 04:24:43,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 04:24:43,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-25 04:24:43,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:43,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:24:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:43,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:43,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:43,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:24:43,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:43,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 04:24:43,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:43,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:43,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 04:24:43,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:43,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:24:43,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:43,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 04:24:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:43,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:44,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:46,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:46,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-25 04:24:46,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:24:46,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3601 [2020-09-25 04:24:46,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:46,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:46,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-25 04:24:46,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 04:24:46,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 04:24:46,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:47,448 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2020-09-25 04:24:47,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:24:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:47,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:47,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:47,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:24:47,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:47,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 04:24:47,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:47,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:47,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:24:47,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:47,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 04:24:47,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:47,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-25 04:24:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:47,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:47,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:47,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:24:47,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:47,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-25 04:24:47,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:47,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:47,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:24:47,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:47,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 04:24:47,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:47,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:24:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:47,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:47,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:47,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:24:47,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:47,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 04:24:47,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:47,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:47,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:24:47,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:24:47,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:24:47,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:24:47,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 04:24:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:24:47,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:24:49,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:24:49,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-25 04:24:49,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:24:49,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1495 [2020-09-25 04:24:49,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:24:49,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:24:49,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-25 04:24:49,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 04:24:49,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 04:24:49,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1