/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=0.8 --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 07:50:20,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:50:20,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:50:20,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:50:20,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:50:20,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:50:20,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:50:20,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:50:20,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:50:20,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:50:20,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:50:20,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:50:20,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:50:20,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:50:20,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:50:20,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:50:20,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:50:20,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:50:20,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:50:20,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:50:20,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:50:20,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:50:20,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:50:20,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:50:20,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:50:20,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:50:20,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:50:20,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:50:20,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:50:20,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:50:20,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:50:20,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:50:20,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:50:20,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:50:20,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:50:20,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:50:20,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:50:20,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:50:20,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:50:20,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:50:20,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:50:20,289 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 07:50:20,329 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:50:20,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:50:20,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:50:20,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:50:20,332 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:50:20,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:50:20,332 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 07:50:20,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:50:20,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 07:50:20,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:50:20,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:50:20,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:50:20,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:50:20,335 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 07:50:20,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:50:20,335 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:50:20,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:50:20,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:50:20,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:50:20,336 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:50:20,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:50:20,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:50:20,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:50:20,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:50:20,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:50:20,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:50:20,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:50:20,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:50:20,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:50:20,339 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=0.8;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=0.8;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=0.8;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=0.8;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=0.8;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=0.8;log-additional-information=true; [2020-09-25 07:50:20,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:50:20,841 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:50:20,846 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:50:20,849 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:50:20,849 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:50:20,852 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_add-2.i [2020-09-25 07:50:20,949 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/42734eaf0/a5efabe73a3a4bb0a5dd6d5f0066d81e/FLAGf4d3ec70d [2020-09-25 07:50:21,609 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:50:21,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_add-2.i [2020-09-25 07:50:21,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/42734eaf0/a5efabe73a3a4bb0a5dd6d5f0066d81e/FLAGf4d3ec70d [2020-09-25 07:50:21,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/42734eaf0/a5efabe73a3a4bb0a5dd6d5f0066d81e [2020-09-25 07:50:21,884 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:50:21,890 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:50:21,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:50:21,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:50:21,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:50:21,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:50:21" (1/1) ... [2020-09-25 07:50:21,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bedda9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:50:21, skipping insertion in model container [2020-09-25 07:50:21,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:50:21" (1/1) ... [2020-09-25 07:50:21,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:50:21,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:50:22,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:50:22,522 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:50:22,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:50:22,658 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:50:22,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:50:22 WrapperNode [2020-09-25 07:50:22,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:50:22,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:50:22,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:50:22,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:50:22,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:50:22" (1/1) ... [2020-09-25 07:50:22,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:50:22" (1/1) ... [2020-09-25 07:50:22,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:50:22" (1/1) ... [2020-09-25 07:50:22,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:50:22" (1/1) ... [2020-09-25 07:50:22,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:50:22" (1/1) ... [2020-09-25 07:50:22,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:50:22" (1/1) ... [2020-09-25 07:50:22,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:50:22" (1/1) ... [2020-09-25 07:50:22,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:50:22,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:50:22,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:50:22,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:50:22,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:50:22" (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 07:50:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:50:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:50:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-25 07:50:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-25 07:50:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 07:50:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 07:50:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-09-25 07:50:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-09-25 07:50:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-09-25 07:50:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-09-25 07:50:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-09-25 07:50:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-09-25 07:50:22,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-09-25 07:50:22,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-09-25 07:50:22,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-09-25 07:50:22,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 07:50:22,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-09-25 07:50:22,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-09-25 07:50:22,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-09-25 07:50:22,840 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-09-25 07:50:22,841 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:50:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-25 07:50:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-25 07:50:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-25 07:50:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-25 07:50:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-25 07:50:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-25 07:50:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-25 07:50:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-25 07:50:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-25 07:50:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-25 07:50:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-25 07:50:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-25 07:50:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-25 07:50:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-25 07:50:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-25 07:50:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-25 07:50:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-25 07:50:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-25 07:50:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-25 07:50:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-25 07:50:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-25 07:50:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-25 07:50:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-25 07:50:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-25 07:50:22,847 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-25 07:50:22,847 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-25 07:50:22,847 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-25 07:50:22,847 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-25 07:50:22,848 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-25 07:50:22,848 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-25 07:50:22,848 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-25 07:50:22,848 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-25 07:50:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-25 07:50:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-25 07:50:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-25 07:50:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-25 07:50:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-25 07:50:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-25 07:50:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-25 07:50:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-25 07:50:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-25 07:50:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-25 07:50:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-25 07:50:22,851 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-25 07:50:22,851 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-25 07:50:22,851 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-25 07:50:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-25 07:50:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-25 07:50:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-25 07:50:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-25 07:50:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-25 07:50:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-25 07:50:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 07:50:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 07:50:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 07:50:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 07:50:22,856 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 07:50:22,856 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-25 07:50:22,856 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 07:50:22,856 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-25 07:50:22,856 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 07:50:22,857 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-25 07:50:22,857 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-25 07:50:22,858 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 07:50:22,858 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-25 07:50:22,858 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-25 07:50:22,858 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-25 07:50:22,858 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-25 07:50:22,858 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-25 07:50:22,858 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-25 07:50:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-25 07:50:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-25 07:50:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-25 07:50:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-25 07:50:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-25 07:50:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-25 07:50:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-25 07:50:22,860 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-25 07:50:22,860 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-25 07:50:22,860 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-25 07:50:22,860 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-25 07:50:22,860 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-25 07:50:22,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-25 07:50:22,860 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-25 07:50:22,861 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-25 07:50:22,861 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-25 07:50:22,861 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-25 07:50:22,861 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-25 07:50:22,861 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-25 07:50:22,861 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-25 07:50:22,862 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-25 07:50:22,862 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-25 07:50:22,862 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-25 07:50:22,862 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-25 07:50:22,862 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-25 07:50:22,862 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-25 07:50:22,863 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-25 07:50:22,864 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-25 07:50:22,864 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-25 07:50:22,864 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-25 07:50:22,864 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-25 07:50:22,864 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-25 07:50:22,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:50:22,865 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 07:50:22,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 07:50:22,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 07:50:22,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 07:50:22,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-09-25 07:50:22,870 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-09-25 07:50:22,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 07:50:22,871 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-09-25 07:50:22,871 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-09-25 07:50:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-09-25 07:50:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 07:50:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-09-25 07:50:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-09-25 07:50:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-09-25 07:50:22,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-09-25 07:50:22,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 07:50:22,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-09-25 07:50:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-09-25 07:50:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-09-25 07:50:22,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 07:50:22,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 07:50:22,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 07:50:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-09-25 07:50:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:50:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:50:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 07:50:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 07:50:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:50:23,655 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:50:23,655 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-25 07:50:23,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:50:23 BoogieIcfgContainer [2020-09-25 07:50:23,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:50:23,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:50:23,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:50:23,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:50:23,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:50:21" (1/3) ... [2020-09-25 07:50:23,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c54ee1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:50:23, skipping insertion in model container [2020-09-25 07:50:23,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:50:22" (2/3) ... [2020-09-25 07:50:23,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c54ee1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:50:23, skipping insertion in model container [2020-09-25 07:50:23,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:50:23" (3/3) ... [2020-09-25 07:50:23,672 INFO L109 eAbstractionObserver]: Analyzing ICFG test_add-2.i [2020-09-25 07:50:23,685 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:50:23,697 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:50:23,722 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 07:50:23,756 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:50:23,756 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:50:23,756 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:50:23,756 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:50:23,756 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:50:23,757 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:50:23,757 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:50:23,757 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:50:23,783 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2020-09-25 07:50:23,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-09-25 07:50:23,794 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:50:23,796 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 07:50:23,796 INFO L427 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:50:23,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:50:23,804 INFO L82 PathProgramCache]: Analyzing trace with hash -773204813, now seen corresponding path program 1 times [2020-09-25 07:50:23,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:50:23,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [856757591] [2020-09-25 07:50:23,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:50:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:24,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:24,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:24,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-25 07:50:24,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:24,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 375 [2020-09-25 07:50:24,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:24,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:24,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 07:50:24,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-25 07:50:24,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 07:50:24,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 07:50:24,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:50:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:24,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:24,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:24,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 07:50:24,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:24,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 07:50:24,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:24,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:24,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:50:24,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:50:24,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:50:24,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:50:24,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 07:50:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:24,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:24,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:24,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 07:50:24,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:24,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-25 07:50:24,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:24,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:24,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 07:50:24,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 07:50:24,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 07:50:24,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:50:24,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 07:50:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:24,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:24,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:24,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 07:50:24,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:24,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 07:50:24,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:24,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:24,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 07:50:24,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:50:24,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 07:50:24,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:50:24,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 07:50:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:24,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:24,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:24,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 07:50:24,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:24,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 07:50:24,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:24,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:24,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:50:24,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 07:50:24,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:50:24,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:50:24,756 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 07:50:24,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [856757591] [2020-09-25 07:50:24,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 07:50:24,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-25 07:50:24,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746647779] [2020-09-25 07:50:24,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 07:50:24,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:50:24,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 07:50:24,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 07:50:24,788 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 6 states. [2020-09-25 07:50:25,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:50:25,306 INFO L93 Difference]: Finished difference Result 184 states and 205 transitions. [2020-09-25 07:50:25,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:50:25,308 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-09-25 07:50:25,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:50:25,324 INFO L225 Difference]: With dead ends: 184 [2020-09-25 07:50:25,325 INFO L226 Difference]: Without dead ends: 95 [2020-09-25 07:50:25,330 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 07:50:25,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-09-25 07:50:25,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2020-09-25 07:50:25,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-09-25 07:50:25,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 91 transitions. [2020-09-25 07:50:25,401 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 91 transitions. Word has length 50 [2020-09-25 07:50:25,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:50:25,402 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 91 transitions. [2020-09-25 07:50:25,402 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 07:50:25,405 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions. [2020-09-25 07:50:25,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 07:50:25,409 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:50:25,409 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 07:50:25,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 07:50:25,410 INFO L427 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:50:25,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:50:25,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1962919132, now seen corresponding path program 1 times [2020-09-25 07:50:25,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:50:25,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1854781410] [2020-09-25 07:50:25,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:50:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:25,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:25,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:29,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:29,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-25 07:50:29,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:50:29,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4334 [2020-09-25 07:50:29,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:29,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:29,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 07:50:29,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 07:50:29,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-25 07:50:29,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:50:29,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:50:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:29,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:29,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:29,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 07:50:29,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:29,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 07:50:29,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:29,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:29,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:50:29,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:50:29,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:50:29,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:50:29,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 07:50:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:29,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:30,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:30,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 07:50:30,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:30,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-25 07:50:30,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:30,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:30,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 07:50:30,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:50:30,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 07:50:30,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:50:30,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 07:50:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:30,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:30,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:30,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 07:50:30,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:30,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-25 07:50:30,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:30,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:30,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:50:30,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:50:30,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 07:50:30,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:50:30,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 07:50:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:30,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:30,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:30,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 07:50:30,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:30,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 07:50:30,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:30,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:30,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 07:50:30,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 07:50:30,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 07:50:30,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:50:30,340 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 07:50:30,340 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1854781410] [2020-09-25 07:50:30,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 07:50:30,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-25 07:50:30,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653513844] [2020-09-25 07:50:30,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 07:50:30,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:50:30,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 07:50:30,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-09-25 07:50:30,345 INFO L87 Difference]: Start difference. First operand 87 states and 91 transitions. Second operand 13 states. [2020-09-25 07:50:32,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:50:32,404 INFO L93 Difference]: Finished difference Result 165 states and 175 transitions. [2020-09-25 07:50:32,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-25 07:50:32,405 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2020-09-25 07:50:32,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:50:32,410 INFO L225 Difference]: With dead ends: 165 [2020-09-25 07:50:32,411 INFO L226 Difference]: Without dead ends: 157 [2020-09-25 07:50:32,414 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 07:50:32,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-09-25 07:50:32,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 111. [2020-09-25 07:50:32,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-09-25 07:50:32,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 117 transitions. [2020-09-25 07:50:32,451 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 117 transitions. Word has length 53 [2020-09-25 07:50:32,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:50:32,452 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 117 transitions. [2020-09-25 07:50:32,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 07:50:32,452 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 117 transitions. [2020-09-25 07:50:32,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-25 07:50:32,454 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:50:32,455 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 07:50:32,455 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 07:50:32,455 INFO L427 AbstractCegarLoop]: === Iteration 3 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:50:32,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:50:32,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1545179603, now seen corresponding path program 1 times [2020-09-25 07:50:32,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:50:32,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1269334898] [2020-09-25 07:50:32,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:50:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:32,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:32,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:32,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:37,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:37,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-25 07:50:37,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 07:50:37,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 07:50:37,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:37,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:37,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 07:50:37,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-09-25 07:50:37,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 07:50:37,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 07:50:37,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:50:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:37,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:37,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:37,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 07:50:37,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:37,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 07:50:37,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:37,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:37,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:50:37,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:50:37,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:50:37,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:50:37,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 07:50:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:37,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:37,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:37,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 07:50:37,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:37,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 07:50:37,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:37,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:37,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:50:37,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:50:37,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:50:37,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:50:37,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 07:50:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:37,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:37,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:37,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 07:50:37,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:37,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 07:50:37,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:37,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:37,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:50:37,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:50:37,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:50:37,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:50:37,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 07:50:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:37,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:37,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:37,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 07:50:37,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:37,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 07:50:37,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:37,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:37,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 07:50:37,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:50:37,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 07:50:37,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:50:37,666 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 07:50:37,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1269334898] [2020-09-25 07:50:37,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:50:37,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 07:50:37,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467738820] [2020-09-25 07:50:37,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 07:50:37,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:50:37,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 07:50:37,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 07:50:37,669 INFO L87 Difference]: Start difference. First operand 111 states and 117 transitions. Second operand 6 states. [2020-09-25 07:50:38,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:50:38,085 INFO L93 Difference]: Finished difference Result 125 states and 129 transitions. [2020-09-25 07:50:38,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 07:50:38,085 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-09-25 07:50:38,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:50:38,088 INFO L225 Difference]: With dead ends: 125 [2020-09-25 07:50:38,089 INFO L226 Difference]: Without dead ends: 114 [2020-09-25 07:50:38,090 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 07:50:38,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-09-25 07:50:38,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 109. [2020-09-25 07:50:38,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-09-25 07:50:38,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 113 transitions. [2020-09-25 07:50:38,103 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 113 transitions. Word has length 56 [2020-09-25 07:50:38,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:50:38,103 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 113 transitions. [2020-09-25 07:50:38,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 07:50:38,103 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 113 transitions. [2020-09-25 07:50:38,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-25 07:50:38,105 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:50:38,105 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 07:50:38,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 07:50:38,106 INFO L427 AbstractCegarLoop]: === Iteration 4 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:50:38,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:50:38,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1384075336, now seen corresponding path program 1 times [2020-09-25 07:50:38,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:50:38,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279842246] [2020-09-25 07:50:38,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:50:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:38,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:38,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:38,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:43,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:43,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-25 07:50:43,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 07:50:43,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 07:50:43,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:43,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:43,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-25 07:50:43,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 07:50:43,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-25 07:50:43,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:50:43,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:50:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:43,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:43,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:43,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 07:50:43,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:43,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 07:50:43,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:43,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:43,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:50:43,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:50:43,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 07:50:43,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:50:43,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 07:50:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:43,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:43,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:43,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:43,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 07:50:43,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:50:43,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-09-25 07:50:43,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:43,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:43,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 07:50:43,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 07:50:43,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 07:50:43,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:50:43,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 07:50:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:43,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:43,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:43,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 07:50:43,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:43,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 07:50:43,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:43,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:43,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:50:43,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:50:43,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 07:50:43,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:50:43,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 07:50:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:43,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:43,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:43,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 07:50:43,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:43,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-25 07:50:43,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:43,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:43,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 07:50:43,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 07:50:43,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 07:50:43,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:50:43,774 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 07:50:43,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279842246] [2020-09-25 07:50:43,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 07:50:43,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-25 07:50:43,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854304905] [2020-09-25 07:50:43,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 07:50:43,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:50:43,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 07:50:43,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 07:50:43,779 INFO L87 Difference]: Start difference. First operand 109 states and 113 transitions. Second operand 11 states. [2020-09-25 07:50:45,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:50:45,050 INFO L93 Difference]: Finished difference Result 173 states and 179 transitions. [2020-09-25 07:50:45,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-25 07:50:45,051 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2020-09-25 07:50:45,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:50:45,053 INFO L225 Difference]: With dead ends: 173 [2020-09-25 07:50:45,053 INFO L226 Difference]: Without dead ends: 130 [2020-09-25 07:50:45,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=227, Invalid=529, Unknown=0, NotChecked=0, Total=756 [2020-09-25 07:50:45,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-09-25 07:50:45,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 100. [2020-09-25 07:50:45,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-09-25 07:50:45,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 102 transitions. [2020-09-25 07:50:45,066 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 102 transitions. Word has length 61 [2020-09-25 07:50:45,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:50:45,067 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 102 transitions. [2020-09-25 07:50:45,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 07:50:45,067 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 102 transitions. [2020-09-25 07:50:45,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-09-25 07:50:45,072 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:50:45,072 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 07:50:45,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 07:50:45,072 INFO L427 AbstractCegarLoop]: === Iteration 5 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:50:45,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:50:45,073 INFO L82 PathProgramCache]: Analyzing trace with hash 976010630, now seen corresponding path program 1 times [2020-09-25 07:50:45,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:50:45,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [493075925] [2020-09-25 07:50:45,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:50:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:45,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:46,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:46,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-25 07:50:46,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:46,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1683 [2020-09-25 07:50:46,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:46,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:46,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-25 07:50:46,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 07:50:46,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-09-25 07:50:46,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:50:46,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:50:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:46,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:46,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:46,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 07:50:46,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:46,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 07:50:46,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:46,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:46,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:50:46,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:50:46,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 07:50:46,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:50:46,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 07:50:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:46,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:47,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:47,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-25 07:50:47,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:47,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 873 [2020-09-25 07:50:47,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:47,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:47,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 07:50:47,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:50:47,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-25 07:50:47,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:50:47,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 07:50:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:47,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:47,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:47,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 07:50:47,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:47,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 07:50:47,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:47,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:47,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:50:47,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:50:47,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 07:50:47,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:50:47,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-25 07:50:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:47,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:48,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:48,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:50:48,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:48,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-25 07:50:48,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:48,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:48,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 07:50:48,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:50:48,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 07:50:48,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:50:48,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:50:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:48,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:48,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:48,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 07:50:48,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:48,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 07:50:48,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:48,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:48,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:50:48,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:50:48,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 07:50:48,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:50:48,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 07:50:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:48,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:48,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:48,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-25 07:50:48,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:48,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-09-25 07:50:48,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:48,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:48,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 07:50:48,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:50:48,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 07:50:48,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:50:48,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:50:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:48,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:48,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:48,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 07:50:48,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:48,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 07:50:48,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:48,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:48,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 07:50:48,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:50:48,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 07:50:48,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:50:48,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-09-25 07:50:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:48,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:48,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:48,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 07:50:48,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:48,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 07:50:48,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:48,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:48,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 07:50:48,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 07:50:48,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 07:50:48,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:50:49,193 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 07:50:49,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [493075925] [2020-09-25 07:50:49,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:50:49,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-09-25 07:50:49,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827666574] [2020-09-25 07:50:49,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-09-25 07:50:49,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:50:49,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-09-25 07:50:49,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=594, Unknown=0, NotChecked=0, Total=650 [2020-09-25 07:50:49,200 INFO L87 Difference]: Start difference. First operand 100 states and 102 transitions. Second operand 26 states. [2020-09-25 07:50:52,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:50:52,324 INFO L93 Difference]: Finished difference Result 131 states and 135 transitions. [2020-09-25 07:50:52,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-09-25 07:50:52,325 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 83 [2020-09-25 07:50:52,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:50:52,326 INFO L225 Difference]: With dead ends: 131 [2020-09-25 07:50:52,326 INFO L226 Difference]: Without dead ends: 123 [2020-09-25 07:50:52,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=430, Invalid=2876, Unknown=0, NotChecked=0, Total=3306 [2020-09-25 07:50:52,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-25 07:50:52,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 101. [2020-09-25 07:50:52,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-09-25 07:50:52,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 103 transitions. [2020-09-25 07:50:52,356 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 103 transitions. Word has length 83 [2020-09-25 07:50:52,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:50:52,356 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 103 transitions. [2020-09-25 07:50:52,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-09-25 07:50:52,357 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 103 transitions. [2020-09-25 07:50:52,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-09-25 07:50:52,364 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:50:52,364 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 07:50:52,364 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 07:50:52,365 INFO L427 AbstractCegarLoop]: === Iteration 6 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:50:52,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:50:52,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1740877654, now seen corresponding path program 1 times [2020-09-25 07:50:52,365 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:50:52,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [940043330] [2020-09-25 07:50:52,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:50:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:52,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:53,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:54,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:57,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:57,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-25 07:50:57,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 07:50:57,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-09-25 07:50:57,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:57,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:57,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-09-25 07:50:57,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 07:50:57,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-25 07:50:57,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:50:57,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:50:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:57,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:57,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:57,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 07:50:57,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:57,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 07:50:57,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:57,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:57,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:50:57,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:50:57,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 07:50:57,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:50:57,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 07:50:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:57,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:50:59,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:50:59,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-25 07:50:59,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:50:59,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1824 [2020-09-25 07:50:59,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:50:59,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:50:59,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-09-25 07:50:59,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:50:59,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-25 07:50:59,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:50:59,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 07:50:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:50:59,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:51:00,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:51:00,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 07:51:00,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:51:00,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-25 07:51:00,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:51:00,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:51:00,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:51:00,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:51:00,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 07:51:00,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:51:00,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-25 07:51:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:51:00,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:51:00,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:51:00,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:51:00,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:51:00,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-25 07:51:00,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:51:00,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:51:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 07:51:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:51:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 07:51:00,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:51:00,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:51:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:51:00,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:51:00,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:51:00,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 07:51:00,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:51:00,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 07:51:00,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:51:00,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:51:00,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:51:00,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:51:00,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 07:51:00,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:51:00,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 07:51:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:51:00,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:51:01,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:51:01,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-25 07:51:01,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:51:01,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 638 [2020-09-25 07:51:01,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:51:01,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:51:01,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-25 07:51:01,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 07:51:01,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 07:51:01,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:51:02,348 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2020-09-25 07:51:02,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:51:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:51:02,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:51:03,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:51:03,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 07:51:03,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:51:03,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 951 [2020-09-25 07:51:03,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:51:03,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:51:03,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 07:51:03,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 07:51:03,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 07:51:03,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1