/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=0.4 --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 05:32:41,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:32:41,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:32:41,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:32:41,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:32:41,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:32:41,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:32:41,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:32:41,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:32:41,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:32:41,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:32:41,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:32:41,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:32:41,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:32:41,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:32:41,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:32:41,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:32:41,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:32:41,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:32:41,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:32:41,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:32:41,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:32:41,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:32:41,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:32:41,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:32:41,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:32:41,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:32:41,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:32:41,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:32:41,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:32:41,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:32:41,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:32:41,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:32:41,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:32:41,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:32:41,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:32:41,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:32:41,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:32:41,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:32:41,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:32:41,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:32:41,372 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 05:32:41,420 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:32:41,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:32:41,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:32:41,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:32:41,422 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:32:41,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:32:41,423 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:32:41,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:32:41,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:32:41,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:32:41,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:32:41,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:32:41,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:32:41,426 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:32:41,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:32:41,426 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:32:41,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:32:41,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:32:41,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:32:41,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:32:41,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:32:41,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:32:41,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:32:41,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:32:41,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:32:41,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:32:41,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:32:41,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:32:41,429 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:32:41,429 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true; [2020-09-25 05:32:41,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:32:42,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:32:42,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:32:42,021 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:32:42,021 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:32:42,022 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_add-2.i [2020-09-25 05:32:42,118 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cf4737ef8/d73c703e135d4b6c8e3b725f1b92d4f8/FLAGea083081e [2020-09-25 05:32:42,829 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:32:42,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_add-2.i [2020-09-25 05:32:42,856 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cf4737ef8/d73c703e135d4b6c8e3b725f1b92d4f8/FLAGea083081e [2020-09-25 05:32:43,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cf4737ef8/d73c703e135d4b6c8e3b725f1b92d4f8 [2020-09-25 05:32:43,039 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:32:43,046 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:32:43,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:32:43,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:32:43,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:32:43,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:32:43" (1/1) ... [2020-09-25 05:32:43,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@445b6256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:32:43, skipping insertion in model container [2020-09-25 05:32:43,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:32:43" (1/1) ... [2020-09-25 05:32:43,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:32:43,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:32:43,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:32:43,650 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:32:43,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:32:43,809 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:32:43,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:32:43 WrapperNode [2020-09-25 05:32:43,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:32:43,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:32:43,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:32:43,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:32:43,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:32:43" (1/1) ... [2020-09-25 05:32:43,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:32:43" (1/1) ... [2020-09-25 05:32:43,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:32:43" (1/1) ... [2020-09-25 05:32:43,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:32:43" (1/1) ... [2020-09-25 05:32:43,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:32:43" (1/1) ... [2020-09-25 05:32:43,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:32:43" (1/1) ... [2020-09-25 05:32:43,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:32:43" (1/1) ... [2020-09-25 05:32:43,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:32:43,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:32:43,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:32:43,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:32:43,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:32:43" (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 05:32:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:32:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:32:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-25 05:32:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-25 05:32:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 05:32:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 05:32:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-09-25 05:32:43,977 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-09-25 05:32:43,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-09-25 05:32:43,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-09-25 05:32:43,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-09-25 05:32:43,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-09-25 05:32:43,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-09-25 05:32:43,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-09-25 05:32:43,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-09-25 05:32:43,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 05:32:43,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-09-25 05:32:43,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-09-25 05:32:43,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-09-25 05:32:43,979 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-09-25 05:32:43,979 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:32:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-25 05:32:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-25 05:32:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-25 05:32:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-25 05:32:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-25 05:32:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-25 05:32:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-25 05:32:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-25 05:32:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-25 05:32:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-25 05:32:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-25 05:32:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-25 05:32:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-25 05:32:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-25 05:32:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-25 05:32:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-25 05:32:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-25 05:32:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-25 05:32:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-25 05:32:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-25 05:32:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-25 05:32:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-25 05:32:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-25 05:32:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-25 05:32:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-25 05:32:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-25 05:32:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-25 05:32:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-25 05:32:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-25 05:32:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-25 05:32:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-25 05:32:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-25 05:32:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-25 05:32:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-25 05:32:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-25 05:32:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-25 05:32:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-25 05:32:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-25 05:32:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-25 05:32:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-25 05:32:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-25 05:32:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-25 05:32:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-25 05:32:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-25 05:32:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-25 05:32:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-25 05:32:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-25 05:32:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-25 05:32:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-25 05:32:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-25 05:32:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-25 05:32:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-25 05:32:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:32:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 05:32:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 05:32:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:32:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 05:32:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-25 05:32:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 05:32:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-25 05:32:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 05:32:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-25 05:32:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-25 05:32:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 05:32:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-25 05:32:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-25 05:32:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-25 05:32:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-25 05:32:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-25 05:32:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-25 05:32:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-25 05:32:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-25 05:32:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-25 05:32:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-25 05:32:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-25 05:32:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-25 05:32:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-25 05:32:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-25 05:32:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-25 05:32:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-25 05:32:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-25 05:32:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-25 05:32:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-25 05:32:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-25 05:32:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-25 05:32:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-25 05:32:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-25 05:32:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-25 05:32:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-25 05:32:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-25 05:32:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-25 05:32:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-25 05:32:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-25 05:32:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-25 05:32:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-25 05:32:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-25 05:32:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-25 05:32:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-25 05:32:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-25 05:32:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-25 05:32:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-25 05:32:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-25 05:32:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:32:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 05:32:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:32:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 05:32:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:32:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-09-25 05:32:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-09-25 05:32:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:32:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-09-25 05:32:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-09-25 05:32:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-09-25 05:32:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:32:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-09-25 05:32:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-09-25 05:32:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-09-25 05:32:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-09-25 05:32:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 05:32:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-09-25 05:32:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-09-25 05:32:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-09-25 05:32:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:32:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:32:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:32:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-09-25 05:32:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:32:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:32:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:32:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 05:32:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:32:44,763 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:32:44,763 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-25 05:32:44,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:32:44 BoogieIcfgContainer [2020-09-25 05:32:44,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:32:44,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:32:44,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:32:44,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:32:44,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:32:43" (1/3) ... [2020-09-25 05:32:44,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8e416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:32:44, skipping insertion in model container [2020-09-25 05:32:44,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:32:43" (2/3) ... [2020-09-25 05:32:44,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8e416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:32:44, skipping insertion in model container [2020-09-25 05:32:44,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:32:44" (3/3) ... [2020-09-25 05:32:44,780 INFO L109 eAbstractionObserver]: Analyzing ICFG test_add-2.i [2020-09-25 05:32:44,793 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:32:44,806 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:32:44,830 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:32:44,862 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:32:44,863 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:32:44,863 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:32:44,863 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:32:44,863 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:32:44,863 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:32:44,863 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:32:44,864 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:32:44,891 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2020-09-25 05:32:44,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-09-25 05:32:44,902 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:32:44,904 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 05:32:44,904 INFO L427 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:32:44,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:32:44,912 INFO L82 PathProgramCache]: Analyzing trace with hash -773204813, now seen corresponding path program 1 times [2020-09-25 05:32:44,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:32:44,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1297661215] [2020-09-25 05:32:44,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:32:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:32:45,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:32:45,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:32:45,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-25 05:32:45,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:32:45,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 406 [2020-09-25 05:32:45,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:32:45,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:32:45,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 05:32:45,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-25 05:32:45,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 05:32:45,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 05:32:45,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:32:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:32:45,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:32:45,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:32:45,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:32:45,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:32:45,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 05:32:45,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:32:45,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:32:45,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:32:45,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:32:45,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:32:45,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:32:45,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:32:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:32:45,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:32:45,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:32:45,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 05:32:45,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:32:45,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 05:32:45,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:32:45,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:32:45,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 05:32:45,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:32:45,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 05:32:45,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:32:45,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:32:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:32:45,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:32:45,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:32:45,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:32:45,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:32:45,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 05:32:45,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:32:45,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:32:45,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 05:32:45,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:32:45,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 05:32:45,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:32:45,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 05:32:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:32:45,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:32:45,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:32:45,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:32:45,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:32:45,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 05:32:45,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:32:45,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:32:45,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:32:45,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 05:32:45,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:32:45,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:32:45,952 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 05:32:45,953 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1297661215] [2020-09-25 05:32:45,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 05:32:45,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-25 05:32:45,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687516805] [2020-09-25 05:32:45,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:32:45,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:32:45,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:32:45,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:32:45,985 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 6 states. [2020-09-25 05:32:46,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:32:46,526 INFO L93 Difference]: Finished difference Result 184 states and 205 transitions. [2020-09-25 05:32:46,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:32:46,528 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-09-25 05:32:46,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:32:46,545 INFO L225 Difference]: With dead ends: 184 [2020-09-25 05:32:46,546 INFO L226 Difference]: Without dead ends: 95 [2020-09-25 05:32:46,551 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 05:32:46,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-09-25 05:32:46,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2020-09-25 05:32:46,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-09-25 05:32:46,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 91 transitions. [2020-09-25 05:32:46,628 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 91 transitions. Word has length 50 [2020-09-25 05:32:46,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:32:46,629 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 91 transitions. [2020-09-25 05:32:46,629 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:32:46,629 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions. [2020-09-25 05:32:46,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 05:32:46,633 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:32:46,634 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 05:32:46,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:32:46,635 INFO L427 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:32:46,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:32:46,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1962919132, now seen corresponding path program 1 times [2020-09-25 05:32:46,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:32:46,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1756627161] [2020-09-25 05:32:46,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:32:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:32:46,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:32:46,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:32:51,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:32:51,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-25 05:32:51,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:32:51,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4397 [2020-09-25 05:32:51,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:32:51,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:32:51,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 05:32:51,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 05:32:51,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-25 05:32:51,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 05:32:51,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:32:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:32:51,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:32:51,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:32:51,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:32:51,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:32:51,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 05:32:51,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:32:51,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:32:51,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:32:51,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:32:51,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:32:51,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:32:51,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:32:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:32:51,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:32:51,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:32:51,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 05:32:51,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:32:51,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-09-25 05:32:51,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:32:51,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:32:51,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 05:32:51,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:32:51,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 05:32:51,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:32:51,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:32:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:32:51,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:32:51,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:32:51,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 05:32:51,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:32:51,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-25 05:32:51,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:32:51,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:32:51,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:32:51,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:32:51,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 05:32:51,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:32:51,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 05:32:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:32:51,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:32:51,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:32:51,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:32:51,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:32:51,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 05:32:51,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:32:51,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:32:51,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 05:32:51,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 05:32:51,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 05:32:51,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:32:51,802 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 05:32:51,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1756627161] [2020-09-25 05:32:51,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 05:32:51,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-25 05:32:51,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814049102] [2020-09-25 05:32:51,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 05:32:51,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:32:51,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 05:32:51,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-09-25 05:32:51,809 INFO L87 Difference]: Start difference. First operand 87 states and 91 transitions. Second operand 13 states. [2020-09-25 05:32:53,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:32:53,885 INFO L93 Difference]: Finished difference Result 165 states and 175 transitions. [2020-09-25 05:32:53,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-25 05:32:53,886 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2020-09-25 05:32:53,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:32:53,890 INFO L225 Difference]: With dead ends: 165 [2020-09-25 05:32:53,890 INFO L226 Difference]: Without dead ends: 157 [2020-09-25 05:32:53,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=220, Invalid=772, Unknown=0, NotChecked=0, Total=992 [2020-09-25 05:32:53,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-09-25 05:32:53,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 111. [2020-09-25 05:32:53,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-09-25 05:32:53,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 117 transitions. [2020-09-25 05:32:53,931 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 117 transitions. Word has length 53 [2020-09-25 05:32:53,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:32:53,932 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 117 transitions. [2020-09-25 05:32:53,932 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 05:32:53,932 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 117 transitions. [2020-09-25 05:32:53,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-25 05:32:53,937 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:32:53,938 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 05:32:53,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:32:53,941 INFO L427 AbstractCegarLoop]: === Iteration 3 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:32:53,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:32:53,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1545179603, now seen corresponding path program 1 times [2020-09-25 05:32:53,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:32:53,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1778701737] [2020-09-25 05:32:53,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:32:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:32:53,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:32:54,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:32:54,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:32:58,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:32:58,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-25 05:32:58,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:32:58,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 05:32:58,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:32:58,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:32:58,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 05:32:58,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-09-25 05:32:58,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 05:32:58,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:32:59,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:32:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:32:59,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:32:59,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:32:59,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:32:59,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:32:59,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 05:32:59,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:32:59,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:32:59,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:32:59,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:32:59,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:32:59,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:32:59,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:32:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:32:59,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:32:59,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:32:59,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 05:32:59,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:32:59,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 05:32:59,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:32:59,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:32:59,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:32:59,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:32:59,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:32:59,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:32:59,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:32:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:32:59,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:32:59,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:32:59,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 05:32:59,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:32:59,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:32:59,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:32:59,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:32:59,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:32:59,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:32:59,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:32:59,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:32:59,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 05:32:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:32:59,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:32:59,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:32:59,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 05:32:59,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:32:59,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 05:32:59,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:32:59,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:32:59,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 05:32:59,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:32:59,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 05:32:59,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:32:59,239 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 05:32:59,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1778701737] [2020-09-25 05:32:59,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:32:59,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:32:59,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865944445] [2020-09-25 05:32:59,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:32:59,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:32:59,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:32:59,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:32:59,243 INFO L87 Difference]: Start difference. First operand 111 states and 117 transitions. Second operand 6 states. [2020-09-25 05:32:59,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:32:59,620 INFO L93 Difference]: Finished difference Result 125 states and 129 transitions. [2020-09-25 05:32:59,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 05:32:59,621 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-09-25 05:32:59,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:32:59,624 INFO L225 Difference]: With dead ends: 125 [2020-09-25 05:32:59,624 INFO L226 Difference]: Without dead ends: 114 [2020-09-25 05:32:59,627 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 05:32:59,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-09-25 05:32:59,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 109. [2020-09-25 05:32:59,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-09-25 05:32:59,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 113 transitions. [2020-09-25 05:32:59,644 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 113 transitions. Word has length 56 [2020-09-25 05:32:59,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:32:59,646 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 113 transitions. [2020-09-25 05:32:59,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:32:59,646 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 113 transitions. [2020-09-25 05:32:59,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-25 05:32:59,650 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:32:59,650 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 05:32:59,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:32:59,655 INFO L427 AbstractCegarLoop]: === Iteration 4 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:32:59,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:32:59,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1384075336, now seen corresponding path program 1 times [2020-09-25 05:32:59,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:32:59,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [795191424] [2020-09-25 05:32:59,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:32:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:32:59,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:32:59,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:00,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:04,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:33:04,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-25 05:33:04,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:33:04,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 05:33:04,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:33:04,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:33:04,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-25 05:33:04,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 05:33:04,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-25 05:33:04,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:33:04,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:33:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:33:04,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:04,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:33:04,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:33:04,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:33:04,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 05:33:04,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:33:04,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:33:04,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:33:04,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:33:04,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:33:04,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:33:04,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:33:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:33:04,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:04,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:05,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:33:05,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 05:33:05,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:33:05,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-09-25 05:33:05,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:33:05,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:33:05,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:33:05,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 05:33:05,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 05:33:05,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:33:05,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:33:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:33:05,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:05,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:33:05,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 05:33:05,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:33:05,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 05:33:05,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:33:05,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:33:05,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:33:05,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:33:05,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 05:33:05,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:33:05,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 05:33:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:33:05,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:05,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:33:05,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:33:05,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:33:05,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-25 05:33:05,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:33:05,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:33:05,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 05:33:05,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 05:33:05,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 05:33:05,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:33:05,482 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 05:33:05,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [795191424] [2020-09-25 05:33:05,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 05:33:05,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-25 05:33:05,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392341882] [2020-09-25 05:33:05,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 05:33:05,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:33:05,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 05:33:05,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:33:05,487 INFO L87 Difference]: Start difference. First operand 109 states and 113 transitions. Second operand 11 states. [2020-09-25 05:33:06,039 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2020-09-25 05:33:06,198 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-09-25 05:33:06,906 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2020-09-25 05:33:07,052 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2020-09-25 05:33:07,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:33:07,202 INFO L93 Difference]: Finished difference Result 173 states and 179 transitions. [2020-09-25 05:33:07,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-25 05:33:07,203 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2020-09-25 05:33:07,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:33:07,205 INFO L225 Difference]: With dead ends: 173 [2020-09-25 05:33:07,205 INFO L226 Difference]: Without dead ends: 130 [2020-09-25 05:33:07,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=227, Invalid=529, Unknown=0, NotChecked=0, Total=756 [2020-09-25 05:33:07,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-09-25 05:33:07,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 100. [2020-09-25 05:33:07,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-09-25 05:33:07,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 102 transitions. [2020-09-25 05:33:07,218 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 102 transitions. Word has length 61 [2020-09-25 05:33:07,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:33:07,219 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 102 transitions. [2020-09-25 05:33:07,219 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 05:33:07,219 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 102 transitions. [2020-09-25 05:33:07,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-09-25 05:33:07,220 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:33:07,220 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 05:33:07,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:33:07,221 INFO L427 AbstractCegarLoop]: === Iteration 5 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:33:07,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:33:07,221 INFO L82 PathProgramCache]: Analyzing trace with hash 976010630, now seen corresponding path program 1 times [2020-09-25 05:33:07,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:33:07,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1532290578] [2020-09-25 05:33:07,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:33:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:33:07,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:08,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:33:08,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-25 05:33:08,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:33:08,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1608 [2020-09-25 05:33:08,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:33:08,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:33:08,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-25 05:33:08,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 05:33:08,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-09-25 05:33:08,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:33:08,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:33:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:33:08,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:09,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:33:09,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:33:09,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:33:09,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 05:33:09,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:33:09,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:33:09,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:33:09,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:33:09,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 05:33:09,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:33:09,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:33:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:33:09,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:09,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:33:09,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-25 05:33:09,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:33:09,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 850 [2020-09-25 05:33:09,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:33:09,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:33:09,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 05:33:09,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:33:09,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-25 05:33:09,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 05:33:10,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:33:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:33:10,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:10,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:33:10,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:33:10,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:33:10,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 05:33:10,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:33:10,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:33:10,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:33:10,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:33:10,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 05:33:10,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:33:10,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-25 05:33:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:33:10,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:10,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:33:10,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:33:10,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:33:10,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 05:33:10,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:33:10,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:33:10,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:33:10,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:33:10,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 05:33:10,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:33:10,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:33:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:33:10,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:10,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:33:10,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:33:10,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:33:10,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 05:33:10,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:33:10,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:33:10,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:33:10,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:33:10,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:33:10,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:33:10,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 05:33:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:33:10,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:10,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:33:10,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-25 05:33:10,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:33:10,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-09-25 05:33:10,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:33:10,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:33:10,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 05:33:10,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:33:10,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 05:33:10,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:33:10,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:33:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:33:10,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:10,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:33:10,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 05:33:10,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:33:10,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-25 05:33:10,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:33:10,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:33:10,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:33:10,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:33:10,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 05:33:10,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:33:10,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-09-25 05:33:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:33:10,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:10,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:33:10,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:33:10,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:33:10,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-25 05:33:10,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:33:10,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:33:10,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 05:33:10,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 05:33:10,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 05:33:10,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:33:11,099 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 05:33:11,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1532290578] [2020-09-25 05:33:11,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:33:11,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-09-25 05:33:11,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973979816] [2020-09-25 05:33:11,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-09-25 05:33:11,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:33:11,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-09-25 05:33:11,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=594, Unknown=0, NotChecked=0, Total=650 [2020-09-25 05:33:11,105 INFO L87 Difference]: Start difference. First operand 100 states and 102 transitions. Second operand 26 states. [2020-09-25 05:33:14,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:33:14,271 INFO L93 Difference]: Finished difference Result 131 states and 135 transitions. [2020-09-25 05:33:14,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-09-25 05:33:14,271 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 83 [2020-09-25 05:33:14,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:33:14,273 INFO L225 Difference]: With dead ends: 131 [2020-09-25 05:33:14,273 INFO L226 Difference]: Without dead ends: 123 [2020-09-25 05:33:14,277 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=430, Invalid=2876, Unknown=0, NotChecked=0, Total=3306 [2020-09-25 05:33:14,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-25 05:33:14,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 101. [2020-09-25 05:33:14,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-09-25 05:33:14,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 103 transitions. [2020-09-25 05:33:14,296 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 103 transitions. Word has length 83 [2020-09-25 05:33:14,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:33:14,296 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 103 transitions. [2020-09-25 05:33:14,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-09-25 05:33:14,296 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 103 transitions. [2020-09-25 05:33:14,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-09-25 05:33:14,297 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:33:14,298 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 05:33:14,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 05:33:14,299 INFO L427 AbstractCegarLoop]: === Iteration 6 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:33:14,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:33:14,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1740877654, now seen corresponding path program 1 times [2020-09-25 05:33:14,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:33:14,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [880617941] [2020-09-25 05:33:14,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:33:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:33:14,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:15,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:16,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:19,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:33:19,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-25 05:33:19,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:33:19,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 05:33:19,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:33:19,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:33:19,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-25 05:33:19,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 05:33:19,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-25 05:33:19,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:33:19,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:33:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:33:19,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:19,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:33:19,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:33:19,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:33:19,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 05:33:19,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:33:19,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:33:19,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 05:33:19,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:33:19,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:33:19,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:33:19,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:33:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:33:19,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:20,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:22,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:33:22,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-25 05:33:22,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:33:22,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3113 [2020-09-25 05:33:22,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:33:22,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:33:22,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-25 05:33:22,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 05:33:22,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 05:33:22,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:33:23,485 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2020-09-25 05:33:23,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:33:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:33:23,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:23,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:33:23,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:33:23,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:33:23,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 05:33:23,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:33:23,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:33:23,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:33:23,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:33:23,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 05:33:23,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:33:23,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-25 05:33:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:33:23,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:23,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:33:23,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:33:23,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:33:23,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-25 05:33:23,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:33:23,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:33:23,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:33:23,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:33:23,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 05:33:23,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:33:23,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:33:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:33:23,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:23,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:33:23,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:33:23,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:33:23,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 05:33:23,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:33:23,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:33:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:33:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:33:23,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:33:23,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:33:23,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 05:33:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:33:23,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:33:25,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:33:25,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-25 05:33:25,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:33:25,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1804 [2020-09-25 05:33:25,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:33:25,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:33:25,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-25 05:33:25,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 05:33:25,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 05:33:25,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1