/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=0.6 --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 06:41:20,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:41:20,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:41:20,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:41:20,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:41:20,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:41:20,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:41:20,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:41:20,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:41:20,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:41:20,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:41:20,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:41:20,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:41:20,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:41:20,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:41:20,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:41:20,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:41:20,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:41:20,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:41:20,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:41:20,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:41:20,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:41:20,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:41:20,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:41:20,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:41:20,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:41:20,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:41:20,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:41:20,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:41:20,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:41:20,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:41:20,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:41:20,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:41:20,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:41:20,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:41:20,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:41:20,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:41:20,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:41:20,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:41:20,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:41:20,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:41:20,931 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 06:41:20,958 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:41:20,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:41:20,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:41:20,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:41:20,960 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:41:20,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:41:20,960 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:41:20,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:41:20,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:41:20,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:41:20,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:41:20,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:41:20,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:41:20,962 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:41:20,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:41:20,962 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:41:20,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:41:20,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:41:20,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:41:20,963 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:41:20,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:41:20,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:41:20,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:41:20,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:41:20,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:41:20,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:41:20,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:41:20,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:41:20,965 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:41:20,965 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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;log-additional-information=true; [2020-09-25 06:41:21,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:41:21,473 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:41:21,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:41:21,480 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:41:21,481 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:41:21,483 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_add-2.i [2020-09-25 06:41:21,562 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/36a803c8c/35b8ec1d2f53405db9e510436ebfe8e9/FLAG5e38c34c0 [2020-09-25 06:41:22,236 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:41:22,240 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_add-2.i [2020-09-25 06:41:22,266 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/36a803c8c/35b8ec1d2f53405db9e510436ebfe8e9/FLAG5e38c34c0 [2020-09-25 06:41:22,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/36a803c8c/35b8ec1d2f53405db9e510436ebfe8e9 [2020-09-25 06:41:22,467 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:41:22,474 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:41:22,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:41:22,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:41:22,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:41:22,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:41:22" (1/1) ... [2020-09-25 06:41:22,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ad693f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:41:22, skipping insertion in model container [2020-09-25 06:41:22,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:41:22" (1/1) ... [2020-09-25 06:41:22,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:41:22,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:41:23,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:41:23,088 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:41:23,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:41:23,220 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:41:23,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:41:23 WrapperNode [2020-09-25 06:41:23,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:41:23,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:41:23,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:41:23,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:41:23,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:41:23" (1/1) ... [2020-09-25 06:41:23,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:41:23" (1/1) ... [2020-09-25 06:41:23,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:41:23" (1/1) ... [2020-09-25 06:41:23,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:41:23" (1/1) ... [2020-09-25 06:41:23,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:41:23" (1/1) ... [2020-09-25 06:41:23,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:41:23" (1/1) ... [2020-09-25 06:41:23,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:41:23" (1/1) ... [2020-09-25 06:41:23,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:41:23,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:41:23,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:41:23,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:41:23,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:41:23" (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 06:41:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:41:23,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:41:23,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-25 06:41:23,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-25 06:41:23,391 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 06:41:23,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 06:41:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-09-25 06:41:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-09-25 06:41:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-09-25 06:41:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-09-25 06:41:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-09-25 06:41:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-09-25 06:41:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-09-25 06:41:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-09-25 06:41:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-09-25 06:41:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 06:41:23,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-09-25 06:41:23,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-09-25 06:41:23,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-09-25 06:41:23,396 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-09-25 06:41:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:41:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-25 06:41:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-25 06:41:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-25 06:41:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-25 06:41:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-25 06:41:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-25 06:41:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-25 06:41:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-25 06:41:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-25 06:41:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-25 06:41:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-25 06:41:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-25 06:41:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-25 06:41:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-25 06:41:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-25 06:41:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-25 06:41:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-25 06:41:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-25 06:41:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-25 06:41:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-25 06:41:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-25 06:41:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-25 06:41:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-25 06:41:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-25 06:41:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-25 06:41:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-25 06:41:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-25 06:41:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-25 06:41:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-25 06:41:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-25 06:41:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-25 06:41:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-25 06:41:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-25 06:41:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-25 06:41:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-25 06:41:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-25 06:41:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-25 06:41:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-25 06:41:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-25 06:41:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-25 06:41:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-25 06:41:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-25 06:41:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-25 06:41:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-25 06:41:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-25 06:41:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-25 06:41:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-25 06:41:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-25 06:41:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-25 06:41:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-25 06:41:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-25 06:41:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-25 06:41:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:41:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 06:41:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 06:41:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:41:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 06:41:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-25 06:41:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 06:41:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-25 06:41:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 06:41:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-25 06:41:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-25 06:41:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 06:41:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-25 06:41:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-25 06:41:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-25 06:41:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-25 06:41:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-25 06:41:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-25 06:41:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-25 06:41:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-25 06:41:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-25 06:41:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-25 06:41:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-25 06:41:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-25 06:41:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-25 06:41:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-25 06:41:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-25 06:41:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-25 06:41:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-25 06:41:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-25 06:41:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-25 06:41:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-25 06:41:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-25 06:41:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-25 06:41:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-25 06:41:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-25 06:41:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-25 06:41:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-25 06:41:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-25 06:41:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-25 06:41:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-25 06:41:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-25 06:41:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-25 06:41:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-25 06:41:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-25 06:41:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-25 06:41:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-25 06:41:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-25 06:41:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-25 06:41:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-25 06:41:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:41:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 06:41:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:41:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 06:41:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:41:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-09-25 06:41:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-09-25 06:41:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:41:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-09-25 06:41:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-09-25 06:41:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-09-25 06:41:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:41:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-09-25 06:41:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-09-25 06:41:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-09-25 06:41:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-09-25 06:41:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 06:41:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-09-25 06:41:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-09-25 06:41:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-09-25 06:41:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:41:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:41:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:41:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-09-25 06:41:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:41:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:41:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:41:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 06:41:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:41:24,278 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:41:24,279 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-25 06:41:24,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:41:24 BoogieIcfgContainer [2020-09-25 06:41:24,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:41:24,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:41:24,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:41:24,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:41:24,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:41:22" (1/3) ... [2020-09-25 06:41:24,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38332902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:41:24, skipping insertion in model container [2020-09-25 06:41:24,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:41:23" (2/3) ... [2020-09-25 06:41:24,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38332902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:41:24, skipping insertion in model container [2020-09-25 06:41:24,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:41:24" (3/3) ... [2020-09-25 06:41:24,294 INFO L109 eAbstractionObserver]: Analyzing ICFG test_add-2.i [2020-09-25 06:41:24,306 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:41:24,318 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:41:24,338 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:41:24,365 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:41:24,365 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:41:24,365 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:41:24,365 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:41:24,365 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:41:24,365 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:41:24,365 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:41:24,365 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:41:24,388 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2020-09-25 06:41:24,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-09-25 06:41:24,399 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:41:24,400 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 06:41:24,401 INFO L427 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:41:24,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:41:24,409 INFO L82 PathProgramCache]: Analyzing trace with hash -773204813, now seen corresponding path program 1 times [2020-09-25 06:41:24,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:41:24,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [960940185] [2020-09-25 06:41:24,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:41:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:24,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:25,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:25,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-25 06:41:25,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:25,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 505 [2020-09-25 06:41:25,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:25,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:25,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 06:41:25,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-25 06:41:25,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 06:41:25,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 06:41:25,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:41:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:25,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:25,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:25,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 06:41:25,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:25,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 06:41:25,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:25,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:25,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:41:25,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:25,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:41:25,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:25,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 06:41:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:25,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:25,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:25,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 06:41:25,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:25,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 06:41:25,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:25,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:25,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 06:41:25,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 06:41:25,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 06:41:25,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:25,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:41:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:25,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:25,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:25,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:41:25,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:25,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-25 06:41:25,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:25,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:25,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 06:41:25,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:25,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 06:41:25,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:25,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 06:41:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:25,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:25,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:25,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:41:25,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:25,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 06:41:25,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:25,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:25,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:41:25,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 06:41:25,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:41:25,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:25,506 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 06:41:25,507 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [960940185] [2020-09-25 06:41:25,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 06:41:25,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-25 06:41:25,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650316269] [2020-09-25 06:41:25,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 06:41:25,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:41:25,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 06:41:25,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 06:41:25,540 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 6 states. [2020-09-25 06:41:26,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:41:26,040 INFO L93 Difference]: Finished difference Result 184 states and 205 transitions. [2020-09-25 06:41:26,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:41:26,043 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-09-25 06:41:26,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:41:26,061 INFO L225 Difference]: With dead ends: 184 [2020-09-25 06:41:26,062 INFO L226 Difference]: Without dead ends: 95 [2020-09-25 06:41:26,067 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 06:41:26,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-09-25 06:41:26,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2020-09-25 06:41:26,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-09-25 06:41:26,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 91 transitions. [2020-09-25 06:41:26,141 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 91 transitions. Word has length 50 [2020-09-25 06:41:26,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:41:26,142 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 91 transitions. [2020-09-25 06:41:26,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 06:41:26,142 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions. [2020-09-25 06:41:26,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 06:41:26,146 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:41:26,147 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 06:41:26,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:41:26,147 INFO L427 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:41:26,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:41:26,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1962919132, now seen corresponding path program 1 times [2020-09-25 06:41:26,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:41:26,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [681975930] [2020-09-25 06:41:26,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:41:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:26,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:26,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:30,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:30,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-25 06:41:30,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:41:30,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4445 [2020-09-25 06:41:30,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:30,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:30,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 06:41:30,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 06:41:30,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-25 06:41:30,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:41:30,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:41:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:30,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:30,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:30,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 06:41:30,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:30,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 06:41:30,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:30,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:30,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:41:30,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:30,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:41:30,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:30,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 06:41:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:30,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:30,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:30,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 06:41:30,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:30,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-09-25 06:41:30,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:30,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:30,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 06:41:30,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:30,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 06:41:30,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:41:30,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:41:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:30,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:30,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:30,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 06:41:30,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:30,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 06:41:30,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:30,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:30,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:41:30,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:30,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 06:41:30,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:31,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 06:41:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:31,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:31,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:31,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:41:31,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:31,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 06:41:31,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:31,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:31,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 06:41:31,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 06:41:31,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 06:41:31,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:41:31,193 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 06:41:31,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [681975930] [2020-09-25 06:41:31,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 06:41:31,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-25 06:41:31,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972028650] [2020-09-25 06:41:31,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 06:41:31,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:41:31,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 06:41:31,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-09-25 06:41:31,197 INFO L87 Difference]: Start difference. First operand 87 states and 91 transitions. Second operand 13 states. [2020-09-25 06:41:33,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:41:33,149 INFO L93 Difference]: Finished difference Result 165 states and 175 transitions. [2020-09-25 06:41:33,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-25 06:41:33,150 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2020-09-25 06:41:33,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:41:33,153 INFO L225 Difference]: With dead ends: 165 [2020-09-25 06:41:33,153 INFO L226 Difference]: Without dead ends: 157 [2020-09-25 06:41:33,155 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 06:41:33,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-09-25 06:41:33,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 111. [2020-09-25 06:41:33,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-09-25 06:41:33,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 117 transitions. [2020-09-25 06:41:33,184 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 117 transitions. Word has length 53 [2020-09-25 06:41:33,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:41:33,184 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 117 transitions. [2020-09-25 06:41:33,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 06:41:33,184 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 117 transitions. [2020-09-25 06:41:33,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-25 06:41:33,186 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:41:33,187 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 06:41:33,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:41:33,188 INFO L427 AbstractCegarLoop]: === Iteration 3 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:41:33,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:41:33,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1545179603, now seen corresponding path program 1 times [2020-09-25 06:41:33,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:41:33,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069064142] [2020-09-25 06:41:33,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:41:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:33,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:33,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:33,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:38,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:38,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-25 06:41:38,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 06:41:38,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 06:41:38,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:38,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:38,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 06:41:38,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-09-25 06:41:38,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 06:41:38,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:38,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:41:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:38,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:38,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:38,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 06:41:38,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:38,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 06:41:38,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:38,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:38,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:41:38,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:38,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:41:38,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:38,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 06:41:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:38,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:38,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:38,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 06:41:38,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:38,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 06:41:38,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:38,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:38,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:41:38,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:38,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:41:38,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:38,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:41:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:38,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:38,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:38,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 06:41:38,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:38,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:41:38,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:38,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:38,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:41:38,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:38,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:41:38,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:38,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 06:41:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:38,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:38,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:38,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 06:41:38,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:38,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 06:41:38,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:38,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:38,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 06:41:38,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:38,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 06:41:38,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:38,399 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 06:41:38,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069064142] [2020-09-25 06:41:38,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:41:38,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 06:41:38,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455498496] [2020-09-25 06:41:38,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 06:41:38,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:41:38,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 06:41:38,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 06:41:38,402 INFO L87 Difference]: Start difference. First operand 111 states and 117 transitions. Second operand 6 states. [2020-09-25 06:41:38,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:41:38,756 INFO L93 Difference]: Finished difference Result 125 states and 129 transitions. [2020-09-25 06:41:38,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 06:41:38,757 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-09-25 06:41:38,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:41:38,759 INFO L225 Difference]: With dead ends: 125 [2020-09-25 06:41:38,759 INFO L226 Difference]: Without dead ends: 114 [2020-09-25 06:41:38,760 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 06:41:38,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-09-25 06:41:38,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 109. [2020-09-25 06:41:38,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-09-25 06:41:38,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 113 transitions. [2020-09-25 06:41:38,787 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 113 transitions. Word has length 56 [2020-09-25 06:41:38,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:41:38,790 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 113 transitions. [2020-09-25 06:41:38,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 06:41:38,790 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 113 transitions. [2020-09-25 06:41:38,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-25 06:41:38,792 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:41:38,792 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 06:41:38,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:41:38,792 INFO L427 AbstractCegarLoop]: === Iteration 4 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:41:38,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:41:38,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1384075336, now seen corresponding path program 1 times [2020-09-25 06:41:38,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:41:38,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1917409781] [2020-09-25 06:41:38,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:41:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:38,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:38,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:39,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:43,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:43,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-25 06:41:43,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 06:41:43,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 06:41:43,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:43,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:43,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-25 06:41:43,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 06:41:43,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-25 06:41:43,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:43,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:41:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:43,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:43,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:43,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 06:41:43,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:43,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 06:41:43,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:43,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:43,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:41:43,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:43,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 06:41:43,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:43,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 06:41:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:43,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:44,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:44,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:44,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 06:41:44,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:41:44,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-09-25 06:41:44,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:44,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:44,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 06:41:44,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 06:41:44,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 06:41:44,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:44,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:41:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:44,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:44,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:44,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 06:41:44,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:44,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 06:41:44,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:44,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:44,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:41:44,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:44,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 06:41:44,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:44,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 06:41:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:44,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:44,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:44,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:41:44,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:44,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-25 06:41:44,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:44,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:44,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 06:41:44,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 06:41:44,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 06:41:44,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:44,416 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 06:41:44,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1917409781] [2020-09-25 06:41:44,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 06:41:44,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-25 06:41:44,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218338480] [2020-09-25 06:41:44,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 06:41:44,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:41:44,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 06:41:44,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 06:41:44,419 INFO L87 Difference]: Start difference. First operand 109 states and 113 transitions. Second operand 11 states. [2020-09-25 06:41:45,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:41:45,704 INFO L93 Difference]: Finished difference Result 173 states and 179 transitions. [2020-09-25 06:41:45,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-25 06:41:45,705 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2020-09-25 06:41:45,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:41:45,707 INFO L225 Difference]: With dead ends: 173 [2020-09-25 06:41:45,707 INFO L226 Difference]: Without dead ends: 130 [2020-09-25 06:41:45,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=227, Invalid=529, Unknown=0, NotChecked=0, Total=756 [2020-09-25 06:41:45,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-09-25 06:41:45,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 100. [2020-09-25 06:41:45,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-09-25 06:41:45,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 102 transitions. [2020-09-25 06:41:45,720 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 102 transitions. Word has length 61 [2020-09-25 06:41:45,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:41:45,720 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 102 transitions. [2020-09-25 06:41:45,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 06:41:45,721 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 102 transitions. [2020-09-25 06:41:45,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-09-25 06:41:45,723 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:41:45,723 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 06:41:45,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:41:45,724 INFO L427 AbstractCegarLoop]: === Iteration 5 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:41:45,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:41:45,724 INFO L82 PathProgramCache]: Analyzing trace with hash 976010630, now seen corresponding path program 1 times [2020-09-25 06:41:45,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:41:45,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1979421798] [2020-09-25 06:41:45,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:41:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:45,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:47,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:47,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-25 06:41:47,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:47,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1652 [2020-09-25 06:41:47,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:47,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:47,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-25 06:41:47,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 06:41:47,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-09-25 06:41:47,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:41:47,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:41:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:47,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:47,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:47,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 06:41:47,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:47,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 06:41:47,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:47,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:47,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:41:47,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:47,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 06:41:47,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:47,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 06:41:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:47,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:48,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:48,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-25 06:41:48,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:48,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 835 [2020-09-25 06:41:48,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:48,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:48,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 06:41:48,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:48,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-25 06:41:48,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:41:48,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:41:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:48,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:48,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:48,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:41:48,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:48,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 06:41:48,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:48,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:48,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:41:48,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:48,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 06:41:48,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:48,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-25 06:41:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:48,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:48,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:48,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:41:48,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:48,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-25 06:41:48,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:48,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:48,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:41:48,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:48,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 06:41:48,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:48,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 06:41:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:48,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:48,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:48,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:41:48,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:48,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 06:41:48,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:48,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:48,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:41:48,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:48,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 06:41:48,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:48,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 06:41:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:48,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:48,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:48,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-25 06:41:48,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:48,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-09-25 06:41:48,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:48,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:48,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 06:41:48,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:48,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 06:41:48,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:49,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 06:41:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:49,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:49,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:49,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 06:41:49,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:49,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 06:41:49,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:49,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:49,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:41:49,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:49,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 06:41:49,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:41:49,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-09-25 06:41:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:49,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:49,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:49,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:41:49,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:49,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 06:41:49,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:49,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:49,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 06:41:49,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 06:41:49,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 06:41:49,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:49,766 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 06:41:49,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1979421798] [2020-09-25 06:41:49,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:41:49,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-09-25 06:41:49,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665735813] [2020-09-25 06:41:49,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-09-25 06:41:49,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:41:49,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-09-25 06:41:49,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=594, Unknown=0, NotChecked=0, Total=650 [2020-09-25 06:41:49,770 INFO L87 Difference]: Start difference. First operand 100 states and 102 transitions. Second operand 26 states. [2020-09-25 06:41:52,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:41:52,861 INFO L93 Difference]: Finished difference Result 131 states and 135 transitions. [2020-09-25 06:41:52,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-09-25 06:41:52,862 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 83 [2020-09-25 06:41:52,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:41:52,864 INFO L225 Difference]: With dead ends: 131 [2020-09-25 06:41:52,864 INFO L226 Difference]: Without dead ends: 123 [2020-09-25 06:41:52,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=430, Invalid=2876, Unknown=0, NotChecked=0, Total=3306 [2020-09-25 06:41:52,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-25 06:41:52,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 101. [2020-09-25 06:41:52,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-09-25 06:41:52,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 103 transitions. [2020-09-25 06:41:52,888 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 103 transitions. Word has length 83 [2020-09-25 06:41:52,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:41:52,890 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 103 transitions. [2020-09-25 06:41:52,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-09-25 06:41:52,892 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 103 transitions. [2020-09-25 06:41:52,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-09-25 06:41:52,893 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:41:52,894 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 06:41:52,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 06:41:52,897 INFO L427 AbstractCegarLoop]: === Iteration 6 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:41:52,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:41:52,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1740877654, now seen corresponding path program 1 times [2020-09-25 06:41:52,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:41:52,898 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1426823824] [2020-09-25 06:41:52,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:41:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:52,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:53,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:55,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:57,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:57,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-25 06:41:57,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 06:41:57,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-25 06:41:57,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:57,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:57,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-25 06:41:57,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 06:41:57,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-25 06:41:57,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:58,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:41:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:58,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:58,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:58,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 06:41:58,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:58,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 06:41:58,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:58,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:58,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 06:41:58,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:58,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 06:41:58,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:58,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 06:41:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:58,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:59,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:42:02,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:42:02,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-25 06:42:02,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:42:02,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4003 [2020-09-25 06:42:02,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:42:02,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:42:02,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-25 06:42:02,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 06:42:02,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 06:42:02,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:42:02,782 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2020-09-25 06:42:02,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:42:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:42:02,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:42:02,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:42:02,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:42:02,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:42:02,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 06:42:02,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:42:02,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:42:02,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:42:02,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:42:02,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 06:42:02,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:42:02,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-25 06:42:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:42:02,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:42:02,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:42:02,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:42:02,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:42:02,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 06:42:02,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:42:02,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:42:02,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:42:02,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:42:02,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 06:42:02,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:42:03,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 06:42:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:42:03,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:42:03,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:42:03,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:42:03,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:42:03,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 06:42:03,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:42:03,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:42:03,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:42:03,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:42:03,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 06:42:03,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:42:03,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 06:42:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:42:03,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:42:04,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:42:04,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-25 06:42:04,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:42:04,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1821 [2020-09-25 06:42:04,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:42:04,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:42:04,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-25 06:42:04,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 06:42:04,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 06:42:04,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1