/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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 16:00:34,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:00:34,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:00:34,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:00:34,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:00:34,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:00:34,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:00:34,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:00:34,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:00:34,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:00:34,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:00:34,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:00:34,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:00:34,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:00:34,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:00:34,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:00:34,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:00:34,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:00:34,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:00:34,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:00:34,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:00:34,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:00:34,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:00:34,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:00:34,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 16:00:34,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 16:00:34,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 16:00:34,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 16:00:34,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 16:00:34,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 16:00:34,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 16:00:34,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 16:00:34,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 16:00:34,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 16:00:34,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 16:00:34,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 16:00:34,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 16:00:34,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 16:00:34,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:00:34,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:00:34,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:00:34,597 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 [2020-09-24 16:00:34,624 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:00:34,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:00:34,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:00:34,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:00:34,626 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:00:34,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:00:34,627 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 16:00:34,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:00:34,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 16:00:34,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:00:34,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:00:34,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:00:34,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:00:34,629 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 16:00:34,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:00:34,630 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:00:34,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:00:34,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:00:34,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:00:34,632 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:00:34,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:00:34,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:00:34,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:00:34,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:00:34,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:00:34,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:00:34,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:00:34,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:00:34,634 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:00:34,634 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 16:00:35,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:00:35,158 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:00:35,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:00:35,164 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:00:35,165 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:00:35,166 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-2.i [2020-09-24 16:00:35,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b777b53c/385017981442430f87ee4bf412631ec0/FLAGc030b29c1 [2020-09-24 16:00:35,897 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:00:35,898 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/heap-manipulation/dll_of_dll-2.i [2020-09-24 16:00:35,921 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b777b53c/385017981442430f87ee4bf412631ec0/FLAGc030b29c1 [2020-09-24 16:00:36,194 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b777b53c/385017981442430f87ee4bf412631ec0 [2020-09-24 16:00:36,208 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:00:36,214 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:00:36,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:00:36,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:00:36,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:00:36,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:00:36" (1/1) ... [2020-09-24 16:00:36,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f7beb14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:36, skipping insertion in model container [2020-09-24 16:00:36,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:00:36" (1/1) ... [2020-09-24 16:00:36,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:00:36,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:00:36,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:00:36,867 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 16:00:36,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:00:36,995 INFO L208 MainTranslator]: Completed translation [2020-09-24 16:00:36,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:36 WrapperNode [2020-09-24 16:00:36,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:00:36,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 16:00:36,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 16:00:36,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 16:00:37,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:36" (1/1) ... [2020-09-24 16:00:37,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:36" (1/1) ... [2020-09-24 16:00:37,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:36" (1/1) ... [2020-09-24 16:00:37,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:36" (1/1) ... [2020-09-24 16:00:37,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:36" (1/1) ... [2020-09-24 16:00:37,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:36" (1/1) ... [2020-09-24 16:00:37,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:36" (1/1) ... [2020-09-24 16:00:37,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 16:00:37,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 16:00:37,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 16:00:37,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 16:00:37,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:36" (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 [2020-09-24 16:00:37,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 16:00:37,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 16:00:37,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 16:00:37,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-24 16:00:37,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-24 16:00:37,199 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2020-09-24 16:00:37,199 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_slave [2020-09-24 16:00:37,199 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_master [2020-09-24 16:00:37,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_slave [2020-09-24 16:00:37,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2020-09-24 16:00:37,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2020-09-24 16:00:37,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_slave [2020-09-24 16:00:37,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_nested_lists [2020-09-24 16:00:37,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_reinit_nested_lists [2020-09-24 16:00:37,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_master [2020-09-24 16:00:37,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2020-09-24 16:00:37,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_master [2020-09-24 16:00:37,201 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2020-09-24 16:00:37,201 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_full [2020-09-24 16:00:37,202 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_dangling [2020-09-24 16:00:37,202 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_init [2020-09-24 16:00:37,202 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 16:00:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 16:00:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-24 16:00:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-24 16:00:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-24 16:00:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-24 16:00:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-24 16:00:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-24 16:00:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-24 16:00:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-24 16:00:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-24 16:00:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-24 16:00:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-24 16:00:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-24 16:00:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-24 16:00:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-24 16:00:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-24 16:00:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-24 16:00:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-24 16:00:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-24 16:00:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-24 16:00:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-24 16:00:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-24 16:00:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-24 16:00:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-24 16:00:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-24 16:00:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-24 16:00:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-24 16:00:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-24 16:00:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-24 16:00:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-24 16:00:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-24 16:00:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-24 16:00:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-24 16:00:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-24 16:00:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-24 16:00:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-24 16:00:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-24 16:00:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-24 16:00:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-24 16:00:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-24 16:00:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-24 16:00:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-24 16:00:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-24 16:00:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-24 16:00:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-24 16:00:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-24 16:00:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-24 16:00:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-24 16:00:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-24 16:00:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-24 16:00:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-24 16:00:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-24 16:00:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-24 16:00:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 16:00:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 16:00:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-24 16:00:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 16:00:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-24 16:00:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-24 16:00:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-24 16:00:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-24 16:00:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-09-24 16:00:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 16:00:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-24 16:00:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-09-24 16:00:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-24 16:00:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-24 16:00:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-09-24 16:00:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-24 16:00:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-24 16:00:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-24 16:00:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-24 16:00:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-24 16:00:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-24 16:00:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-24 16:00:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-24 16:00:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-24 16:00:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-24 16:00:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-24 16:00:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-24 16:00:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-24 16:00:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-24 16:00:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-24 16:00:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-24 16:00:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-24 16:00:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-24 16:00:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-24 16:00:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-24 16:00:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-24 16:00:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-24 16:00:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-24 16:00:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-24 16:00:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-24 16:00:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-24 16:00:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-24 16:00:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-24 16:00:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-24 16:00:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-24 16:00:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-24 16:00:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-24 16:00:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-24 16:00:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-24 16:00:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-24 16:00:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-24 16:00:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-24 16:00:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-24 16:00:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 16:00:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2020-09-24 16:00:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_slave [2020-09-24 16:00:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 16:00:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 16:00:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_master [2020-09-24 16:00:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_slave [2020-09-24 16:00:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 16:00:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2020-09-24 16:00:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 16:00:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 16:00:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 16:00:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 16:00:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2020-09-24 16:00:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_slave [2020-09-24 16:00:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_nested_lists [2020-09-24 16:00:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure dll_reinit_nested_lists [2020-09-24 16:00:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_master [2020-09-24 16:00:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2020-09-24 16:00:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_master [2020-09-24 16:00:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2020-09-24 16:00:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_full [2020-09-24 16:00:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_dangling [2020-09-24 16:00:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_init [2020-09-24 16:00:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 16:00:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 16:00:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 16:00:38,298 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 16:00:38,298 INFO L295 CfgBuilder]: Removed 38 assume(true) statements. [2020-09-24 16:00:38,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:00:38 BoogieIcfgContainer [2020-09-24 16:00:38,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 16:00:38,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 16:00:38,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 16:00:38,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 16:00:38,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:00:36" (1/3) ... [2020-09-24 16:00:38,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c8598e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:00:38, skipping insertion in model container [2020-09-24 16:00:38,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:36" (2/3) ... [2020-09-24 16:00:38,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c8598e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:00:38, skipping insertion in model container [2020-09-24 16:00:38,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:00:38" (3/3) ... [2020-09-24 16:00:38,314 INFO L109 eAbstractionObserver]: Analyzing ICFG dll_of_dll-2.i [2020-09-24 16:00:38,326 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 16:00:38,337 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 16:00:38,359 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 16:00:38,391 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 16:00:38,392 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 16:00:38,392 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 16:00:38,392 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 16:00:38,392 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 16:00:38,392 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 16:00:38,392 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 16:00:38,393 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 16:00:38,422 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states. [2020-09-24 16:00:38,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-09-24 16:00:38,435 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:00:38,436 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:00:38,437 INFO L427 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:00:38,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:00:38,444 INFO L82 PathProgramCache]: Analyzing trace with hash 575468621, now seen corresponding path program 1 times [2020-09-24 16:00:38,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:00:38,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [546314032] [2020-09-24 16:00:38,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:00:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:38,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:38,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:38,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:38,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:38,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-24 16:00:38,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:38,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 16:00:38,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:38,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:38,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-24 16:00:38,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:38,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:38,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:38,783 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:38,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:38,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:38,784 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:38,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:00:38,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:38,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:38,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:38,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:38,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:38,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:38,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:38,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:00:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:38,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:38,864 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:38,864 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:38,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:38,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-24 16:00:38,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:38,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:00:38,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:38,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:38,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-09-24 16:00:38,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:38,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:38,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:38,977 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:38,978 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:38,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:38,978 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:38,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 16:00:38,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:38,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:00:38,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:38,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:38,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-09-24 16:00:38,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:38,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:39,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:39,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:39,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:39,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:39,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:39,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:00:39,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:39,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:39,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:39,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:39,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:00:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:39,066 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:39,066 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:39,066 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:39,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:39,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:00:39,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:39,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:39,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:39,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:39,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:39,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:39,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:39,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:00:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:39,082 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:39,082 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:39,082 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:39,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:39,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:00:39,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:39,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:39,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:39,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:39,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:39,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:39,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:39,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 16:00:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:39,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:39,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:39,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:39,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:39,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:00:39,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:39,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:39,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:39,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:39,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:39,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:39,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:39,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:00:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:39,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:39,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:39,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:39,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:39,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:00:39,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:39,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:39,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:39,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:39,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:39,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:00:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:39,141 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:39,142 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:39,142 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:39,142 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:39,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:00:39,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:39,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:39,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:39,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:39,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:39,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:39,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:39,191 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-09-24 16:00:39,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [546314032] [2020-09-24 16:00:39,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:00:39,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 16:00:39,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362533055] [2020-09-24 16:00:39,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 16:00:39,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:00:39,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 16:00:39,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 16:00:39,224 INFO L87 Difference]: Start difference. First operand 276 states. Second operand 4 states. [2020-09-24 16:00:39,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:00:39,847 INFO L93 Difference]: Finished difference Result 568 states and 767 transitions. [2020-09-24 16:00:39,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 16:00:39,849 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 85 [2020-09-24 16:00:39,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:00:39,867 INFO L225 Difference]: With dead ends: 568 [2020-09-24 16:00:39,867 INFO L226 Difference]: Without dead ends: 275 [2020-09-24 16:00:39,876 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 16:00:39,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-09-24 16:00:39,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 255. [2020-09-24 16:00:39,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-09-24 16:00:39,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 284 transitions. [2020-09-24 16:00:39,967 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 284 transitions. Word has length 85 [2020-09-24 16:00:39,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:00:39,969 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 284 transitions. [2020-09-24 16:00:39,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 16:00:39,969 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 284 transitions. [2020-09-24 16:00:39,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-09-24 16:00:39,974 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:00:39,974 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:00:39,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 16:00:39,975 INFO L427 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:00:39,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:00:39,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1893520380, now seen corresponding path program 1 times [2020-09-24 16:00:39,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:00:39,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1495960620] [2020-09-24 16:00:39,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:00:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:40,159 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:00:40,159 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:40,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:40,160 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:40,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-09-24 16:00:40,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:40,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-09-24 16:00:40,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:40,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 16:00:40,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-09-24 16:00:40,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 16:00:40,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:40,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:40,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:40,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:40,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:40,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:40,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:00:40,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:40,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:40,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:40,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:40,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:40,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:40,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:40,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:00:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:40,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:40,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:40,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:40,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:40,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-24 16:00:40,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:40,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 16:00:40,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:40,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 16:00:40,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 16:00:40,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 16:00:40,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:40,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:40,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:40,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:40,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:40,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:40,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-24 16:00:40,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:40,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 16:00:40,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:40,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 16:00:40,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 16:00:40,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-24 16:00:40,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:40,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:40,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:40,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:40,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:40,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:40,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:00:40,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:40,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 16:00:40,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:40,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 16:00:40,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:40,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 16:00:40,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:40,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:00:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:40,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:40,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:40,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:40,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:40,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:00:40,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:40,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:00:40,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:40,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:00:40,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:40,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 16:00:40,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:40,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:00:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:40,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:40,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:40,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:40,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:40,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:00:40,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:40,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:40,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:40,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:40,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:40,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:40,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:40,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 16:00:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:40,824 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:40,824 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:40,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:40,825 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:40,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:00:40,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:40,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:00:40,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:40,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:00:40,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:40,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 16:00:40,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:40,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:00:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:40,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:40,864 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:40,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:40,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:40,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:00:40,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:40,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:00:40,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:40,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:40,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:40,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:40,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:40,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:00:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:40,882 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:40,882 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:40,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:40,882 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:40,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:00:40,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:40,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:40,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:40,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:40,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:40,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:40,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:40,928 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-24 16:00:40,928 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1495960620] [2020-09-24 16:00:40,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:00:40,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-24 16:00:40,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996747501] [2020-09-24 16:00:40,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 16:00:40,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:00:40,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 16:00:40,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-09-24 16:00:40,932 INFO L87 Difference]: Start difference. First operand 255 states and 284 transitions. Second operand 13 states. [2020-09-24 16:00:43,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:00:43,003 INFO L93 Difference]: Finished difference Result 542 states and 621 transitions. [2020-09-24 16:00:43,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 16:00:43,004 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 87 [2020-09-24 16:00:43,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:00:43,008 INFO L225 Difference]: With dead ends: 542 [2020-09-24 16:00:43,008 INFO L226 Difference]: Without dead ends: 296 [2020-09-24 16:00:43,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2020-09-24 16:00:43,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-09-24 16:00:43,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 276. [2020-09-24 16:00:43,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-09-24 16:00:43,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 307 transitions. [2020-09-24 16:00:43,044 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 307 transitions. Word has length 87 [2020-09-24 16:00:43,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:00:43,045 INFO L479 AbstractCegarLoop]: Abstraction has 276 states and 307 transitions. [2020-09-24 16:00:43,045 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 16:00:43,045 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 307 transitions. [2020-09-24 16:00:43,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-24 16:00:43,048 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:00:43,049 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:00:43,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 16:00:43,049 INFO L427 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:00:43,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:00:43,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1671014528, now seen corresponding path program 1 times [2020-09-24 16:00:43,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:00:43,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2100188272] [2020-09-24 16:00:43,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:00:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:43,365 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:00:43,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:43,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:43,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:43,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-09-24 16:00:43,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:43,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-09-24 16:00:43,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:43,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 16:00:43,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-24 16:00:43,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-09-24 16:00:43,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:43,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:43,577 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:43,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:43,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:43,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:43,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:00:43,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:43,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:00:43,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:43,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:43,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:43,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:43,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:43,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:00:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:43,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:00:43,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:43,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:43,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:43,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-09-24 16:00:43,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:43,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-09-24 16:00:43,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:43,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-24 16:00:43,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 16:00:43,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 16:00:43,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:44,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:44,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:00:44,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:44,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:44,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:44,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-09-24 16:00:44,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:44,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-09-24 16:00:44,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:44,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-24 16:00:44,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 16:00:44,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 16:00:44,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:44,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:44,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 16:00:44,767 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:44,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:44,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:44,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-24 16:00:44,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:44,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 16:00:44,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:44,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 16:00:44,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:44,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-09-24 16:00:44,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 43 [2020-09-24 16:00:44,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:00:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:44,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 16:00:44,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:44,992 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:44,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:44,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-24 16:00:44,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:44,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 16:00:44,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:44,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 16:00:44,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:44,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-24 16:00:44,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:45,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:00:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:45,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:45,182 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:45,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:45,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:45,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 16:00:45,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:45,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 16:00:45,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:45,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:00:45,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:45,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 16:00:45,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:45,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 16:00:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:45,318 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:45,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:45,319 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:45,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:45,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-24 16:00:45,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:45,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:00:45,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:45,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:00:45,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:45,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 16:00:45,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:45,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:45,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:45,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:45,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:45,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:45,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-24 16:00:45,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:45,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:45,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:45,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:45,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:45,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:45,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:45,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:45,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:45,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:45,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:45,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:45,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:00:45,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:45,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:45,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:45,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:45,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:45,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:45,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:45,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:00:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:45,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:45,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:45,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:45,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:45,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:00:45,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:45,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:45,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:45,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:45,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:45,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:45,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:45,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:00:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:45,409 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:45,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:45,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:45,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:45,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:00:45,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:45,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:45,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:45,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:45,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:45,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:45,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:45,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 16:00:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:45,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:45,422 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:45,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:45,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:45,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:00:45,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:45,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:45,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:45,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:45,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:45,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:45,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:45,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:00:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:45,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:45,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:45,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:45,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:45,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:00:45,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:45,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:45,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:45,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:45,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:45,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:45,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:45,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:00:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:45,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:45,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:45,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:45,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:45,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:00:45,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:45,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:45,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:45,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:45,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:45,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:45,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:45,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-24 16:00:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:45,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:45,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:45,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:45,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:45,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-24 16:00:45,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:45,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-24 16:00:45,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:45,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 16:00:45,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:00:45,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-09-24 16:00:45,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:45,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:00:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:45,952 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:45,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:45,953 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:45,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:45,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-24 16:00:45,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:45,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-24 16:00:45,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:45,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 16:00:45,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:00:45,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-24 16:00:45,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:46,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:00:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:46,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:46,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:46,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:46,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:46,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 16:00:46,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:46,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 16:00:46,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:46,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 16:00:46,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:00:46,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 16:00:46,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:47,026 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-09-24 16:00:47,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 16:00:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:47,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:47,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:47,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:47,055 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:47,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-24 16:00:47,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:47,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:00:47,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:47,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:00:47,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:47,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 16:00:47,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:47,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:47,089 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:47,090 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:47,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:47,090 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:47,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-24 16:00:47,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:47,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:47,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:47,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:47,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:47,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:47,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:47,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:47,115 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:47,115 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:47,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:47,116 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:47,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:00:47,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:47,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:47,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:47,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:47,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:47,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:47,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:47,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:00:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:47,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:47,131 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:47,131 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:47,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:47,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:00:47,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:47,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:47,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:47,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:47,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:47,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:47,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:47,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:00:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:47,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:47,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:47,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:47,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:47,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:00:47,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:47,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:47,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:47,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:47,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:47,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:47,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:47,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 16:00:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:47,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:47,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:47,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:47,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:47,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:00:47,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:47,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:47,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:47,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:47,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:47,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:47,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:47,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:00:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:47,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:47,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:47,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:47,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:47,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:00:47,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:47,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:47,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:47,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:47,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:47,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:47,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:47,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:00:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:47,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:47,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:47,185 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:47,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:47,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:00:47,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:47,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:47,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:47,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:47,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:47,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:47,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:47,660 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 38 proven. 38 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2020-09-24 16:00:47,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2100188272] [2020-09-24 16:00:47,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:00:47,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-09-24 16:00:47,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489702176] [2020-09-24 16:00:47,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-09-24 16:00:47,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:00:47,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-09-24 16:00:47,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=918, Unknown=0, NotChecked=0, Total=992 [2020-09-24 16:00:47,664 INFO L87 Difference]: Start difference. First operand 276 states and 307 transitions. Second operand 32 states. [2020-09-24 16:00:48,206 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-09-24 16:00:49,844 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2020-09-24 16:00:50,577 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2020-09-24 16:00:51,202 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2020-09-24 16:00:52,089 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-24 16:00:53,203 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2020-09-24 16:00:53,869 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-24 16:01:00,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:01:00,696 INFO L93 Difference]: Finished difference Result 566 states and 634 transitions. [2020-09-24 16:01:00,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-09-24 16:01:00,697 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 235 [2020-09-24 16:01:00,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:01:00,702 INFO L225 Difference]: With dead ends: 566 [2020-09-24 16:01:00,703 INFO L226 Difference]: Without dead ends: 304 [2020-09-24 16:01:00,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=232, Invalid=2630, Unknown=0, NotChecked=0, Total=2862 [2020-09-24 16:01:00,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-09-24 16:01:00,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 284. [2020-09-24 16:01:00,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-09-24 16:01:00,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 316 transitions. [2020-09-24 16:01:00,745 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 316 transitions. Word has length 235 [2020-09-24 16:01:00,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:01:00,746 INFO L479 AbstractCegarLoop]: Abstraction has 284 states and 316 transitions. [2020-09-24 16:01:00,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-09-24 16:01:00,746 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 316 transitions. [2020-09-24 16:01:00,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-09-24 16:01:00,753 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:01:00,753 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:01:00,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 16:01:00,754 INFO L427 AbstractCegarLoop]: === Iteration 4 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:01:00,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:01:00,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1259548806, now seen corresponding path program 1 times [2020-09-24 16:01:00,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:01:00,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1701330457] [2020-09-24 16:01:00,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:01:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:00,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:01:00,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:00,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:00,957 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:00,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-09-24 16:01:00,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:00,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-24 16:01:00,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:00,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 16:01:00,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 147 [2020-09-24 16:01:00,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-09-24 16:01:00,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:01,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:01:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:01,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:01,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:01,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:01,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:01,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:01:01,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:01,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:01,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:01,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:01,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:01,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:01,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:01,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:01:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:01,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:01:01,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:01,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:01,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:01,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-09-24 16:01:01,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:01,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-09-24 16:01:01,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:01,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 16:01:01,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 168 [2020-09-24 16:01:01,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 16:01:01,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:01,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:01:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:01,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 3 [2020-09-24 16:01:01,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -1 [2020-09-24 16:01:01,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 1 [2020-09-24 16:01:01,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:01,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-09-24 16:01:01,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:01,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-24 16:01:01,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:01,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 16:01:01,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 16:01:01,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 16:01:01,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:01,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:01:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:02,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:01:02,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:02,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:02,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:02,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-09-24 16:01:02,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:02,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337 [2020-09-24 16:01:02,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:02,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 16:01:02,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-24 16:01:02,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 16:01:02,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:02,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:02,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:01:02,694 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:02,694 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:02,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:02,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-09-24 16:01:02,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:02,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-09-24 16:01:02,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:02,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 16:01:02,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-24 16:01:02,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 16:01:02,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:02,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:02,741 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:02,741 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:02,741 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:02,741 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:02,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 16:01:02,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:02,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:02,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:02,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:02,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:02,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:02,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:02,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 16:01:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:03,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:01:03,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:03,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:03,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:03,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-24 16:01:03,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:03,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-09-24 16:01:03,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:03,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 16:01:03,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 16:01:03,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 16:01:03,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:03,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:01:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:03,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:01:03,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:03,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:03,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:03,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-24 16:01:03,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:03,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-09-24 16:01:03,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:03,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 16:01:03,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 16:01:03,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 16:01:03,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:03,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:01:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:03,450 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:01:03,450 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:03,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:03,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:03,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:01:03,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:03,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 16:01:03,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:03,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 16:01:03,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:03,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 16:01:03,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:03,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:03,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:01:03,545 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:03,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:03,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:03,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:01:03,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:03,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 16:01:03,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:03,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 16:01:03,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:03,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 16:01:03,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:03,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:03,744 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:03,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:03,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:03,745 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:03,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:01:03,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:03,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 16:01:03,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:03,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:01:03,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:03,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 16:01:03,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:03,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 16:01:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:03,957 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:03,958 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:03,958 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:03,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:03,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:01:03,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:03,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-24 16:01:03,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:03,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 16:01:03,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:01:03,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-24 16:01:03,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:04,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:04,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:04,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:04,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:04,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:04,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:01:04,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:04,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-24 16:01:04,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:04,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 16:01:04,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:01:04,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 16:01:04,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:04,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:04,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:04,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:04,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:04,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:04,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:01:04,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:04,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 16:01:04,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:04,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 16:01:04,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:01:04,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 16:01:04,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:04,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 16:01:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:05,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:05,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:05,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:05,004 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:05,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-09-24 16:01:05,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:05,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:05,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:05,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:05,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-09-24 16:01:05,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:05,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:05,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:05,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:05,039 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:05,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:05,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:05,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-09-24 16:01:05,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:05,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:05,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:05,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:05,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:05,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:05,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:05,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:05,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:05,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:05,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 16:01:05,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:05,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:05,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:05,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:05,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:05,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:05,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:05,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 16:01:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:05,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:05,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:05,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:05,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:05,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-24 16:01:05,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:05,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:05,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:05,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:05,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:05,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:05,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:05,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:01:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:05,110 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:05,110 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:05,111 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:05,111 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:05,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-24 16:01:05,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:05,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:05,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:05,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:05,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:05,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:05,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:05,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:01:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:05,134 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:05,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:05,134 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:05,135 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:05,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:01:05,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:05,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:05,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:05,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:05,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:05,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:05,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:05,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:05,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:05,154 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:05,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:05,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:05,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:01:05,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:05,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:05,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:05,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:05,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:05,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:05,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:05,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:05,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:05,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:05,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:05,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:05,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:01:05,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:05,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:05,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:05,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:05,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:05,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:05,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:05,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 16:01:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:05,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:05,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:05,185 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:05,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:05,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:01:05,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:05,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:05,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:05,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:05,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:05,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:05,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:05,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:05,204 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:05,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:05,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:05,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:05,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:01:05,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:05,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:05,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:05,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:05,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:05,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:05,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:05,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:05,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:05,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:05,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:05,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:05,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:01:05,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:05,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:05,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:05,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:05,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:05,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:05,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:05,864 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 21 proven. 144 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-09-24 16:01:05,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1701330457] [2020-09-24 16:01:05,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:01:05,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-09-24 16:01:05,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816383962] [2020-09-24 16:01:05,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-09-24 16:01:05,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:01:05,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-09-24 16:01:05,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=981, Unknown=0, NotChecked=0, Total=1056 [2020-09-24 16:01:05,868 INFO L87 Difference]: Start difference. First operand 284 states and 316 transitions. Second operand 33 states. [2020-09-24 16:01:07,505 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2020-09-24 16:01:07,833 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2020-09-24 16:01:08,064 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2020-09-24 16:01:08,376 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2020-09-24 16:01:08,739 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2020-09-24 16:01:09,009 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2020-09-24 16:01:09,347 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-09-24 16:01:10,622 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2020-09-24 16:01:10,824 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2020-09-24 16:01:11,010 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2020-09-24 16:01:11,262 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2020-09-24 16:01:11,553 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2020-09-24 16:01:11,800 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2020-09-24 16:01:16,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:01:16,740 INFO L93 Difference]: Finished difference Result 606 states and 692 transitions. [2020-09-24 16:01:16,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-09-24 16:01:16,742 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 237 [2020-09-24 16:01:16,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:01:16,745 INFO L225 Difference]: With dead ends: 606 [2020-09-24 16:01:16,746 INFO L226 Difference]: Without dead ends: 330 [2020-09-24 16:01:16,749 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1021 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=424, Invalid=4978, Unknown=0, NotChecked=0, Total=5402 [2020-09-24 16:01:16,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-09-24 16:01:16,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 305. [2020-09-24 16:01:16,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-09-24 16:01:16,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 338 transitions. [2020-09-24 16:01:16,773 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 338 transitions. Word has length 237 [2020-09-24 16:01:16,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:01:16,773 INFO L479 AbstractCegarLoop]: Abstraction has 305 states and 338 transitions. [2020-09-24 16:01:16,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-09-24 16:01:16,773 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 338 transitions. [2020-09-24 16:01:16,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-09-24 16:01:16,777 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:01:16,777 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-24 16:01:16,778 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 16:01:16,778 INFO L427 AbstractCegarLoop]: === Iteration 5 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:01:16,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:01:16,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1063198871, now seen corresponding path program 1 times [2020-09-24 16:01:16,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:01:16,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1687885626] [2020-09-24 16:01:16,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:01:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:16,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:01:16,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:16,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:16,952 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:16,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 299 [2020-09-24 16:01:16,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:16,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-24 16:01:16,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 16:01:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 147 [2020-09-24 16:01:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-09-24 16:01:16,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:17,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:01:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:17,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:17,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:17,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:17,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:17,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:01:17,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:17,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:17,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:17,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:17,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:17,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:17,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:17,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:01:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:17,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:17,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:17,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:17,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:17,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-09-24 16:01:17,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:17,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-24 16:01:17,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:17,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 16:01:17,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:17,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 268 [2020-09-24 16:01:17,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:17,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:01:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:17,683 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:17,683 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:17,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:17,684 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:17,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-24 16:01:17,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:17,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 16:01:17,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:17,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 16:01:17,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:17,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 261 [2020-09-24 16:01:17,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:17,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:01:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:17,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:17,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:17,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:17,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:17,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-09-24 16:01:17,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:17,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:17,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:17,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:17,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:17,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:17,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:17,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:17,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:17,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:17,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:17,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:17,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-09-24 16:01:17,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:17,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:17,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:17,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:17,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:17,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:17,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:17,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:17,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:17,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:17,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:17,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:17,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 16:01:17,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:17,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:17,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:17,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:17,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:17,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:17,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:17,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 16:01:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:17,905 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:17,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:17,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:17,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:17,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 16:01:17,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:17,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:17,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:17,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:17,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:17,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:17,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:17,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:01:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:17,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:17,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:17,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:17,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:17,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 16:01:17,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:17,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:17,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:17,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:17,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:17,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:17,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:17,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:01:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:17,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:17,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:17,964 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:17,964 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:17,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:01:17,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:17,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:17,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:17,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:17,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:17,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:17,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:17,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:17,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:17,978 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:17,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:17,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:17,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:01:17,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:17,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:17,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:17,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:17,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:17,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:17,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:17,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:17,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:17,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:17,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:17,991 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:17,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:01:17,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:17,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:17,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:17,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:17,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:17,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:17,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:17,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 16:01:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:18,003 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:18,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:18,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:18,004 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:18,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 16:01:18,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:18,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:18,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:18,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:18,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:18,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:18,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:18,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:18,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:18,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:18,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:18,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:18,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 16:01:18,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:18,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:01:18,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:18,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:18,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:18,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:18,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:18,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:18,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:18,046 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:18,046 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:18,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:18,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:01:18,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:18,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:18,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:18,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:18,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:18,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:18,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:18,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 16:01:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:18,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 16:01:18,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:18,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:18,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:18,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-09-24 16:01:18,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:18,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 16:01:18,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:18,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 16:01:18,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:18,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-09-24 16:01:18,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:18,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:18,301 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 16:01:18,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:18,301 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:18,302 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:18,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-24 16:01:18,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:18,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 16:01:18,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:18,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 16:01:18,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:18,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-24 16:01:18,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:18,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:18,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:18,475 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:18,475 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:18,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:18,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 16:01:18,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:18,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 16:01:18,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:18,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:01:18,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:18,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 16:01:18,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:18,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 16:01:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:18,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:18,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:18,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:18,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:18,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 16:01:18,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:18,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:01:18,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:18,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:01:18,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:18,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-24 16:01:18,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:18,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:01:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:18,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:18,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:18,623 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:18,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:18,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 16:01:18,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:18,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:18,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:18,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:18,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:18,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:18,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:18,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:01:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:18,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:18,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:18,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:18,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:18,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:01:18,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:18,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:18,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:18,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:18,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:18,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:18,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:18,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:18,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:18,667 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:18,667 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:18,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:18,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:01:18,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:18,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:18,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:18,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:18,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:18,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:18,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:18,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:18,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:18,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:18,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:18,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:18,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:01:18,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:18,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:18,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:18,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:18,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:18,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 16:01:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:18,692 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:18,692 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:18,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:18,693 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:18,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 16:01:18,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:18,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:18,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:18,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:18,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:18,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:18,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:18,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:18,711 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:18,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:18,712 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:18,712 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:18,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 16:01:18,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:18,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:18,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:18,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:18,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:18,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:18,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:18,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:18,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:18,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:18,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:18,726 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:18,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:01:18,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:18,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:18,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:18,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:18,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:18,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:18,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:19,107 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2020-09-24 16:01:19,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1687885626] [2020-09-24 16:01:19,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:01:19,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-09-24 16:01:19,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266591345] [2020-09-24 16:01:19,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-09-24 16:01:19,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:01:19,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-09-24 16:01:19,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=505, Unknown=0, NotChecked=0, Total=552 [2020-09-24 16:01:19,109 INFO L87 Difference]: Start difference. First operand 305 states and 338 transitions. Second operand 24 states. [2020-09-24 16:01:23,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:01:23,727 INFO L93 Difference]: Finished difference Result 486 states and 545 transitions. [2020-09-24 16:01:23,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-09-24 16:01:23,728 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 238 [2020-09-24 16:01:23,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:01:23,737 INFO L225 Difference]: With dead ends: 486 [2020-09-24 16:01:23,741 INFO L226 Difference]: Without dead ends: 376 [2020-09-24 16:01:23,745 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=176, Invalid=1894, Unknown=0, NotChecked=0, Total=2070 [2020-09-24 16:01:23,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-09-24 16:01:23,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 342. [2020-09-24 16:01:23,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-09-24 16:01:23,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 380 transitions. [2020-09-24 16:01:23,779 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 380 transitions. Word has length 238 [2020-09-24 16:01:23,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:01:23,780 INFO L479 AbstractCegarLoop]: Abstraction has 342 states and 380 transitions. [2020-09-24 16:01:23,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-09-24 16:01:23,781 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 380 transitions. [2020-09-24 16:01:23,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-09-24 16:01:23,786 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:01:23,787 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-24 16:01:23,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 16:01:23,787 INFO L427 AbstractCegarLoop]: === Iteration 6 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:01:23,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:01:23,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1682472288, now seen corresponding path program 1 times [2020-09-24 16:01:23,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:01:23,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1811485286] [2020-09-24 16:01:23,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:01:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:29,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 13 [2020-09-24 16:01:29,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:29,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:29,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:29,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 303 [2020-09-24 16:01:29,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:29,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5669 [2020-09-24 16:01:29,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:29,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 82 [2020-09-24 16:01:29,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 16:01:29,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 277 [2020-09-24 16:01:29,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:29,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:01:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:29,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:29,967 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:29,967 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:29,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:29,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:01:29,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:29,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:29,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:29,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:29,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:01:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat