/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 SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-sets/test_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 23:30:17,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 23:30:17,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 23:30:17,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 23:30:17,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 23:30:17,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 23:30:17,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 23:30:17,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 23:30:17,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 23:30:17,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 23:30:17,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 23:30:17,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 23:30:17,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 23:30:17,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 23:30:17,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 23:30:17,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 23:30:17,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 23:30:17,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 23:30:17,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 23:30:17,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 23:30:17,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 23:30:17,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 23:30:17,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 23:30:17,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 23:30:17,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 23:30:17,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 23:30:17,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 23:30:17,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 23:30:17,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 23:30:17,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 23:30:17,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 23:30:17,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 23:30:17,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 23:30:17,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 23:30:17,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 23:30:17,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 23:30:17,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 23:30:17,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 23:30:17,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 23:30:17,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 23:30:17,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 23:30:17,400 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 [2020-10-14 23:30:17,441 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 23:30:17,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 23:30:17,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 23:30:17,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 23:30:17,444 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 23:30:17,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 23:30:17,444 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 23:30:17,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 23:30:17,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 23:30:17,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 23:30:17,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 23:30:17,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 23:30:17,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 23:30:17,447 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 23:30:17,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 23:30:17,447 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 23:30:17,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 23:30:17,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 23:30:17,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 23:30:17,448 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 23:30:17,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 23:30:17,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 23:30:17,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 23:30:17,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 23:30:17,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 23:30:17,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 23:30:17,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 23:30:17,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 23:30:17,449 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 23:30:17,450 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 23:30:17,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 23:30:17,754 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 23:30:17,758 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 23:30:17,760 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 23:30:17,762 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 23:30:17,763 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex.i [2020-10-14 23:30:17,830 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4710779db/4093f64419074139b8c79dada9588ed2/FLAG8066a7ec7 [2020-10-14 23:30:18,362 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 23:30:18,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_mutex.i [2020-10-14 23:30:18,377 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4710779db/4093f64419074139b8c79dada9588ed2/FLAG8066a7ec7 [2020-10-14 23:30:18,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4710779db/4093f64419074139b8c79dada9588ed2 [2020-10-14 23:30:18,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 23:30:18,655 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 23:30:18,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 23:30:18,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 23:30:18,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 23:30:18,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:30:18" (1/1) ... [2020-10-14 23:30:18,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e4afdcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:18, skipping insertion in model container [2020-10-14 23:30:18,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:30:18" (1/1) ... [2020-10-14 23:30:18,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 23:30:18,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 23:30:19,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:30:19,250 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 23:30:19,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:30:19,421 INFO L208 MainTranslator]: Completed translation [2020-10-14 23:30:19,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:19 WrapperNode [2020-10-14 23:30:19,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 23:30:19,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 23:30:19,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 23:30:19,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 23:30:19,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:19" (1/1) ... [2020-10-14 23:30:19,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:19" (1/1) ... [2020-10-14 23:30:19,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:19" (1/1) ... [2020-10-14 23:30:19,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:19" (1/1) ... [2020-10-14 23:30:19,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:19" (1/1) ... [2020-10-14 23:30:19,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:19" (1/1) ... [2020-10-14 23:30:19,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:19" (1/1) ... [2020-10-14 23:30:19,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 23:30:19,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 23:30:19,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 23:30:19,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 23:30:19,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:19" (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 [2020-10-14 23:30:19,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 23:30:19,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 23:30:19,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-14 23:30:19,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-14 23:30:19,560 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 23:30:19,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 23:30:19,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-10-14 23:30:19,562 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-14 23:30:19,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-14 23:30:19,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-14 23:30:19,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-14 23:30:19,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-14 23:30:19,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-14 23:30:19,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-10-14 23:30:19,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-10-14 23:30:19,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-14 23:30:19,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-10-14 23:30:19,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-10-14 23:30:19,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-10-14 23:30:19,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 23:30:19,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-14 23:30:19,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-14 23:30:19,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 23:30:19,566 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-10-14 23:30:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 23:30:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-14 23:30:19,569 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-14 23:30:19,569 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-14 23:30:19,569 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-14 23:30:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-14 23:30:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-14 23:30:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-14 23:30:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-14 23:30:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-14 23:30:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-14 23:30:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-14 23:30:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-14 23:30:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-14 23:30:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-14 23:30:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-14 23:30:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-14 23:30:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-14 23:30:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-14 23:30:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-14 23:30:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-14 23:30:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-14 23:30:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-14 23:30:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-14 23:30:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-14 23:30:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-14 23:30:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-14 23:30:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-14 23:30:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-14 23:30:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-14 23:30:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-14 23:30:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-14 23:30:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-14 23:30:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-14 23:30:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-14 23:30:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-14 23:30:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-14 23:30:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-14 23:30:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-14 23:30:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-14 23:30:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-14 23:30:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-14 23:30:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-14 23:30:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-14 23:30:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-14 23:30:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-14 23:30:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-14 23:30:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-14 23:30:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-14 23:30:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-14 23:30:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-14 23:30:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-14 23:30:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-14 23:30:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 23:30:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 23:30:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-14 23:30:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 23:30:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-14 23:30:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-14 23:30:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-14 23:30:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-14 23:30:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 23:30:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-14 23:30:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-14 23:30:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 23:30:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-14 23:30:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-14 23:30:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-14 23:30:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-14 23:30:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-14 23:30:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-14 23:30:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-14 23:30:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-14 23:30:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-14 23:30:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-14 23:30:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-14 23:30:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-14 23:30:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-14 23:30:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-14 23:30:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-14 23:30:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-14 23:30:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-14 23:30:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-14 23:30:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-14 23:30:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-14 23:30:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-14 23:30:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-14 23:30:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-14 23:30:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-14 23:30:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-14 23:30:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-14 23:30:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-14 23:30:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-14 23:30:19,586 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-14 23:30:19,586 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-14 23:30:19,587 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-14 23:30:19,587 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-14 23:30:19,587 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-14 23:30:19,587 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-14 23:30:19,589 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-14 23:30:19,589 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-14 23:30:19,590 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-14 23:30:19,590 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-14 23:30:19,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 23:30:19,590 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 23:30:19,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 23:30:19,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 23:30:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 23:30:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-10-14 23:30:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-14 23:30:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 23:30:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-14 23:30:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-14 23:30:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-14 23:30:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 23:30:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-14 23:30:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-14 23:30:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-10-14 23:30:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-10-14 23:30:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-14 23:30:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-10-14 23:30:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-10-14 23:30:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-10-14 23:30:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 23:30:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 23:30:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-14 23:30:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-14 23:30:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 23:30:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-10-14 23:30:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 23:30:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 23:30:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 23:30:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 23:30:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 23:30:20,198 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 23:30:20,199 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-14 23:30:20,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:30:20 BoogieIcfgContainer [2020-10-14 23:30:20,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 23:30:20,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 23:30:20,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 23:30:20,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 23:30:20,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:30:18" (1/3) ... [2020-10-14 23:30:20,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36154907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:30:20, skipping insertion in model container [2020-10-14 23:30:20,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:19" (2/3) ... [2020-10-14 23:30:20,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36154907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:30:20, skipping insertion in model container [2020-10-14 23:30:20,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:30:20" (3/3) ... [2020-10-14 23:30:20,212 INFO L109 eAbstractionObserver]: Analyzing ICFG test_mutex.i [2020-10-14 23:30:20,222 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 23:30:20,230 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-14 23:30:20,240 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-14 23:30:20,261 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 23:30:20,261 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 23:30:20,261 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 23:30:20,262 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 23:30:20,262 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 23:30:20,262 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 23:30:20,262 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 23:30:20,262 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 23:30:20,283 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-10-14 23:30:20,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-14 23:30:20,290 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:30:20,292 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:30:20,292 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:30:20,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:30:20,298 INFO L82 PathProgramCache]: Analyzing trace with hash -326397870, now seen corresponding path program 1 times [2020-10-14 23:30:20,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:30:20,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106498762] [2020-10-14 23:30:20,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:30:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:20,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:20,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:20,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:20,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:20,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 23:30:20,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 23:30:20,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 387 [2020-10-14 23:30:20,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:20,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:20,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 23:30:20,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-14 23:30:20,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 23:30:20,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 23:30:20,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:30:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:20,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:20,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:20,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:30:20,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:20,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 23:30:20,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:20,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:20,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:20,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:20,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:20,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:20,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:30:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:20,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:20,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:20,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 23:30:20,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:20,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:30:20,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:20,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:20,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:20,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:20,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:20,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:20,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:30:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:20,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:20,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:21,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:21,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:30:21,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:30:21,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 23:30:21,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:21,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:21,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:21,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:21,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:21,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:21,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:21,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:21,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:21,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:21,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:30:21,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:30:21,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:30:21,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:21,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:21,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:21,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 23:30:21,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:21,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:21,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:30:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:21,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:21,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:21,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:21,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:30:21,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:30:21,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 23:30:21,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:21,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:21,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:21,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:30:21,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:21,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 23:30:21,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:21,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:21,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:21,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:30:21,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:21,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:30:21,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:21,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:21,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:21,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 23:30:21,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:21,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-14 23:30:21,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 23:30:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:21,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:21,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:21,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:30:21,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:21,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 23:30:21,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:21,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:21,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 23:30:21,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:21,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:30:21,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:21,182 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-14 23:30:21,183 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2106498762] [2020-10-14 23:30:21,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:30:21,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 23:30:21,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760496791] [2020-10-14 23:30:21,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 23:30:21,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:30:21,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 23:30:21,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 23:30:21,207 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 6 states. [2020-10-14 23:30:21,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:30:21,746 INFO L93 Difference]: Finished difference Result 221 states and 275 transitions. [2020-10-14 23:30:21,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 23:30:21,748 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2020-10-14 23:30:21,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:30:21,761 INFO L225 Difference]: With dead ends: 221 [2020-10-14 23:30:21,761 INFO L226 Difference]: Without dead ends: 115 [2020-10-14 23:30:21,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 23:30:21,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-14 23:30:21,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 102. [2020-10-14 23:30:21,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-14 23:30:21,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 114 transitions. [2020-10-14 23:30:21,826 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 114 transitions. Word has length 42 [2020-10-14 23:30:21,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:30:21,826 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 114 transitions. [2020-10-14 23:30:21,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 23:30:21,826 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 114 transitions. [2020-10-14 23:30:21,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-14 23:30:21,829 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:30:21,829 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:30:21,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 23:30:21,830 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:30:21,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:30:21,830 INFO L82 PathProgramCache]: Analyzing trace with hash 640264123, now seen corresponding path program 1 times [2020-10-14 23:30:21,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:30:21,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1507026307] [2020-10-14 23:30:21,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:30:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:21,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:22,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:22,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 23:30:22,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:22,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-10-14 23:30:22,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:22,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:22,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 23:30:22,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 23:30:22,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 23:30:22,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:22,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:30:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:22,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:22,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:22,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:30:22,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:22,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 23:30:22,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:22,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:22,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:22,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:22,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 23:30:22,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:22,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:30:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:22,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:22,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:22,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 23:30:22,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:22,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:30:22,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:22,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:22,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:22,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:22,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 23:30:22,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:22,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:30:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:22,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:22,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:22,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:30:22,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:22,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 23:30:22,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:22,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:22,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:22,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:22,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:30:22,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:22,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:22,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:22,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:22,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:30:22,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:22,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:30:22,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:22,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:22,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:22,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:22,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:22,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:22,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:30:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:22,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:22,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:22,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:30:22,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:22,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 23:30:22,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:22,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:22,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:22,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:22,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:30:22,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:22,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:22,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:22,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:22,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:30:22,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:22,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:30:22,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:22,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:22,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:22,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:22,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:22,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:22,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 23:30:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:22,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:22,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:22,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:30:22,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:22,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 23:30:22,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:22,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:22,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:30:22,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:30:22,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:30:22,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:22,363 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 23:30:22,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1507026307] [2020-10-14 23:30:22,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:30:22,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 23:30:22,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552609588] [2020-10-14 23:30:22,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 23:30:22,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:30:22,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 23:30:22,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-14 23:30:22,367 INFO L87 Difference]: Start difference. First operand 102 states and 114 transitions. Second operand 7 states. [2020-10-14 23:30:23,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:30:23,359 INFO L93 Difference]: Finished difference Result 288 states and 346 transitions. [2020-10-14 23:30:23,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 23:30:23,360 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2020-10-14 23:30:23,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:30:23,364 INFO L225 Difference]: With dead ends: 288 [2020-10-14 23:30:23,364 INFO L226 Difference]: Without dead ends: 200 [2020-10-14 23:30:23,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-10-14 23:30:23,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-10-14 23:30:23,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 163. [2020-10-14 23:30:23,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-14 23:30:23,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 194 transitions. [2020-10-14 23:30:23,396 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 194 transitions. Word has length 42 [2020-10-14 23:30:23,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:30:23,396 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 194 transitions. [2020-10-14 23:30:23,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 23:30:23,396 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 194 transitions. [2020-10-14 23:30:23,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-14 23:30:23,400 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:30:23,400 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 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] [2020-10-14 23:30:23,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 23:30:23,400 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:30:23,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:30:23,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1149911364, now seen corresponding path program 1 times [2020-10-14 23:30:23,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:30:23,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1419783036] [2020-10-14 23:30:23,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:30:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:23,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:23,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:23,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:23,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 23:30:23,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:30:23,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 416 [2020-10-14 23:30:23,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:23,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:23,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 23:30:23,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 23:30:23,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 23:30:23,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:23,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:30:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:23,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:23,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:23,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:30:23,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:23,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:30:23,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:23,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:23,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:23,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:23,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:23,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:23,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:30:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:23,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:23,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:23,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 23:30:23,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:23,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:30:23,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:23,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:23,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:23,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:23,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:23,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:23,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:30:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:23,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:23,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:23,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:30:23,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:23,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:30:23,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:23,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:23,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:23,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:23,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:23,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:23,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:23,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:23,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:23,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:30:23,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:23,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:30:23,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:23,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:23,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:23,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:23,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:23,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:23,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:30:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:23,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:23,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:23,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:30:23,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:23,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:30:23,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:23,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:23,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:23,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:23,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:23,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:23,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:23,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:23,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:23,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:30:23,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:23,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:30:23,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:23,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:23,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:23,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:23,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:23,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:23,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:30:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:23,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:24,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:24,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 23:30:24,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:24,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 23:30:24,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:24,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:24,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 23:30:24,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 23:30:24,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 23:30:24,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:24,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:24,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:24,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:24,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:30:24,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:24,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:30:24,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:24,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:24,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:24,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:24,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:24,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:24,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:30:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:24,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:24,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:24,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 23:30:24,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:24,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 23:30:24,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:24,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:24,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 23:30:24,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 23:30:24,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 23:30:24,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:24,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:24,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:24,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:24,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:30:24,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:24,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 23:30:24,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:24,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:24,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 23:30:24,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:24,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:30:24,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:24,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 23:30:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:24,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:24,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:24,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:24,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 23:30:24,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:30:24,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 23:30:24,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:24,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:24,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 23:30:24,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 23:30:24,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 23:30:24,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:24,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:24,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:24,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:24,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:30:24,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:24,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:30:24,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:24,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:24,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:24,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:24,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:24,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:24,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:30:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:24,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:24,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:24,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 23:30:24,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:24,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 23:30:24,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:24,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:24,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 23:30:24,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 23:30:24,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 23:30:24,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:24,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:24,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:24,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:24,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:30:24,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:24,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 23:30:24,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:24,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:24,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 23:30:24,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:24,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:30:24,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:24,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 23:30:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:24,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:24,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:24,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:30:24,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:24,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:30:24,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:24,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:24,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:24,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:30:24,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:24,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:24,342 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-14 23:30:24,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1419783036] [2020-10-14 23:30:24,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:30:24,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 23:30:24,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213647633] [2020-10-14 23:30:24,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 23:30:24,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:30:24,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 23:30:24,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-14 23:30:24,347 INFO L87 Difference]: Start difference. First operand 163 states and 194 transitions. Second operand 7 states. [2020-10-14 23:30:24,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:30:24,888 INFO L93 Difference]: Finished difference Result 296 states and 353 transitions. [2020-10-14 23:30:24,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 23:30:24,890 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-10-14 23:30:24,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:30:24,897 INFO L225 Difference]: With dead ends: 296 [2020-10-14 23:30:24,898 INFO L226 Difference]: Without dead ends: 171 [2020-10-14 23:30:24,902 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-14 23:30:24,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-14 23:30:24,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2020-10-14 23:30:24,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-14 23:30:24,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 200 transitions. [2020-10-14 23:30:24,932 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 200 transitions. Word has length 90 [2020-10-14 23:30:24,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:30:24,933 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 200 transitions. [2020-10-14 23:30:24,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 23:30:24,933 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 200 transitions. [2020-10-14 23:30:24,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-14 23:30:24,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:30:24,935 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:30:24,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 23:30:24,935 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:30:24,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:30:24,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1610969230, now seen corresponding path program 1 times [2020-10-14 23:30:24,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:30:24,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1485315800] [2020-10-14 23:30:24,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:30:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:24,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:25,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:25,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:25,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:29,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:29,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:29,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:29,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 23:30:29,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 23:30:29,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 23:30:29,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:29,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:29,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 23:30:29,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 23:30:29,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-14 23:30:29,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:30,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:30:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:30,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:30,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:30,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:30:30,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:30,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:30:30,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:30,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:30,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:30,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:30,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 23:30:30,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:30,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:30:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:30,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:30,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:30,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 23:30:30,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:30,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:30:30,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:30,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 23:30:30,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:30,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:30:30,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:30,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:30,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:30,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:30:30,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:30,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:30:30,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:30,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:30,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:30,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:30,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:30:30,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:30,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:30,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:30,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:30,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:30:30,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:30,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:30:30,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:30,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:30,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:30,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:30,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:30,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:30,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:30:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:30,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:30,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:30,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:30:30,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:30,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:30:30,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:30,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:30,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:30,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:30,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:30:30,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:30,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:30,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:30,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:30,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:30:30,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:30,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:30:30,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:30,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:30,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:30,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:30,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:30,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:30,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:30:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:30,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:30,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:30,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:30,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:30,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:30,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 23:30:30,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 23:30:30,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-10-14 23:30:30,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:30,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:30,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:30:30,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:30:30,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 23:30:30,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:30,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:30,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:30,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:30,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:30:30,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:30,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:30:30,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:30,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:30,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:30,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:30,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:30:30,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:30,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:30:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:30,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:30,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:30,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 23:30:30,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:30,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 23:30:30,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:30,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:30,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:30:30,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:30:30,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 23:30:30,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:30,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:30,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:30,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:30,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:30:30,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:30,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:30:30,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:30,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:30,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:30,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:30,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:30:30,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:30,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 23:30:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:30,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:30,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:30,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:30,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 23:30:30,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:30:30,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-10-14 23:30:30,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:30,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:30,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 23:30:30,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:30:30,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 23:30:30,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:30,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:30,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:30,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:30,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:30:30,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:30,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:30:30,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:30,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:30,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:30,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:30,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:30:30,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:30,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:30:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:30,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:30,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:30,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 23:30:30,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:30,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 23:30:30,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:30,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:30,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 23:30:30,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:30:30,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 23:30:30,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:30,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:30,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:30,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:30,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:30:30,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:30,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 23:30:30,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:30,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:30,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:30:30,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:30,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:30:30,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:31,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 23:30:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:31,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:31,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:31,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:30:31,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:31,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:30:31,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:31,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:31,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:31,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:30:31,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:31,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:31,085 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-14 23:30:31,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1485315800] [2020-10-14 23:30:31,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:30:31,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 23:30:31,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772521718] [2020-10-14 23:30:31,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 23:30:31,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:30:31,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 23:30:31,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-14 23:30:31,088 INFO L87 Difference]: Start difference. First operand 169 states and 200 transitions. Second operand 12 states. [2020-10-14 23:30:33,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:30:33,197 INFO L93 Difference]: Finished difference Result 408 states and 483 transitions. [2020-10-14 23:30:33,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-14 23:30:33,198 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 90 [2020-10-14 23:30:33,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:30:33,200 INFO L225 Difference]: With dead ends: 408 [2020-10-14 23:30:33,201 INFO L226 Difference]: Without dead ends: 233 [2020-10-14 23:30:33,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=276, Invalid=1056, Unknown=0, NotChecked=0, Total=1332 [2020-10-14 23:30:33,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-10-14 23:30:33,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 173. [2020-10-14 23:30:33,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-10-14 23:30:33,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 196 transitions. [2020-10-14 23:30:33,225 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 196 transitions. Word has length 90 [2020-10-14 23:30:33,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:30:33,225 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 196 transitions. [2020-10-14 23:30:33,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 23:30:33,226 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 196 transitions. [2020-10-14 23:30:33,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-14 23:30:33,227 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:30:33,227 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:30:33,227 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 23:30:33,228 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:30:33,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:30:33,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1106436747, now seen corresponding path program 1 times [2020-10-14 23:30:33,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:30:33,228 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [585799120] [2020-10-14 23:30:33,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:30:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:33,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:33,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:34,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:35,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:38,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:38,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-14 23:30:38,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 23:30:38,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 23:30:38,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:38,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:38,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 23:30:38,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 23:30:38,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 23:30:38,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:38,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:30:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:38,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:38,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:38,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:30:38,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:38,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:30:38,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:38,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:38,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:38,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:38,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:38,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:38,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:30:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:38,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:38,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:38,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 23:30:38,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:38,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:30:38,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:38,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:38,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:38,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:38,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:38,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:38,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:30:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:38,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:38,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:38,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:30:38,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:38,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 23:30:38,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:38,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:38,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:30:38,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:38,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 23:30:38,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:38,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:38,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:38,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:38,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:30:38,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:38,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:30:38,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:38,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:38,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:38,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:38,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:30:38,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:38,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:30:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:38,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:38,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:38,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:30:38,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:38,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 23:30:38,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:38,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:38,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:30:38,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:30:38,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 23:30:38,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:38,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:38,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:38,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:38,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:30:38,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:38,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:30:38,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:38,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:38,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:38,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:38,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:30:38,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:38,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:30:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:38,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:39,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:39,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 23:30:39,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:39,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 356 [2020-10-14 23:30:39,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:39,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:39,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 23:30:39,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:39,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-14 23:30:39,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:39,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:39,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:39,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:39,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:30:39,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:39,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:30:39,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:39,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:39,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:39,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:39,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:30:39,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:39,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:30:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:39,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:39,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:39,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 23:30:39,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:39,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-14 23:30:39,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:39,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:39,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-14 23:30:39,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:39,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 23:30:39,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:39,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:39,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:39,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:39,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:30:39,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:39,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:30:39,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:39,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:39,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:39,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:39,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:30:39,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:39,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:30:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:39,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:39,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:39,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:30:39,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:39,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 23:30:39,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:39,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:39,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:30:39,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:39,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:30:39,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:39,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:39,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:39,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:39,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:30:39,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:39,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:30:39,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:39,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:39,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:39,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:39,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:30:39,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:39,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:30:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:39,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:39,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:39,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:30:39,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:39,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-14 23:30:39,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:39,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 23:30:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:30:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 23:30:39,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:39,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:39,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:39,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:39,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:30:39,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:39,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 23:30:39,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:39,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:39,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:30:39,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:30:39,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:30:39,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:39,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 23:30:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:39,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:39,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:39,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:30:39,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:39,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 23:30:39,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:39,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:39,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:30:39,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:30:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:30:39,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:40,191 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-14 23:30:40,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [585799120] [2020-10-14 23:30:40,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:30:40,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-14 23:30:40,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786827952] [2020-10-14 23:30:40,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-14 23:30:40,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:30:40,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-14 23:30:40,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=865, Unknown=0, NotChecked=0, Total=930 [2020-10-14 23:30:40,194 INFO L87 Difference]: Start difference. First operand 173 states and 196 transitions. Second operand 31 states. [2020-10-14 23:30:42,188 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2020-10-14 23:30:43,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:30:43,554 INFO L93 Difference]: Finished difference Result 301 states and 345 transitions. [2020-10-14 23:30:43,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-14 23:30:43,554 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 86 [2020-10-14 23:30:43,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:30:43,558 INFO L225 Difference]: With dead ends: 301 [2020-10-14 23:30:43,558 INFO L226 Difference]: Without dead ends: 203 [2020-10-14 23:30:43,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=206, Invalid=2550, Unknown=0, NotChecked=0, Total=2756 [2020-10-14 23:30:43,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-10-14 23:30:43,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 176. [2020-10-14 23:30:43,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-10-14 23:30:43,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 201 transitions. [2020-10-14 23:30:43,602 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 201 transitions. Word has length 86 [2020-10-14 23:30:43,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:30:43,604 INFO L479 AbstractCegarLoop]: Abstraction has 176 states and 201 transitions. [2020-10-14 23:30:43,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-14 23:30:43,605 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 201 transitions. [2020-10-14 23:30:43,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-14 23:30:43,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:30:43,606 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:30:43,606 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 23:30:43,607 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:30:43,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:30:43,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1833188279, now seen corresponding path program 1 times [2020-10-14 23:30:43,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:30:43,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1440708477] [2020-10-14 23:30:43,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:30:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:43,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:43,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:44,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:47,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:47,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 23:30:47,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 23:30:47,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3891 [2020-10-14 23:30:47,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:47,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:47,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 23:30:47,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 23:30:47,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 23:30:47,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:47,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:30:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:47,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:47,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:47,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:30:47,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:47,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:30:47,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:47,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:47,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:47,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:47,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 23:30:47,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:47,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:30:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:47,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:47,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:47,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 23:30:47,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:47,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:30:47,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:47,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:47,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:47,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:47,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 23:30:47,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:47,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:30:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:47,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:47,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:47,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:30:47,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:47,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 23:30:47,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:47,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:47,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:47,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:47,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:30:47,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:47,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:47,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:47,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:47,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:30:47,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:47,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:30:47,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:47,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:47,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:47,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:47,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:47,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:47,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:30:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:47,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:47,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:47,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:30:47,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:47,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:30:47,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:47,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:47,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:47,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:47,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:30:47,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:47,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:47,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:47,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:47,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:30:47,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:47,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:30:47,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:47,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:47,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:47,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:47,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:47,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:47,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:30:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:47,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:47,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:48,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:48,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 23:30:48,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:30:48,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1110 [2020-10-14 23:30:48,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:48,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:48,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 23:30:48,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:48,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 23:30:48,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:48,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:48,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:48,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:48,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:30:48,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:48,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:30:48,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:48,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:48,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:48,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:48,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:48,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:48,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:30:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:48,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:49,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:49,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 23:30:49,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:49,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-14 23:30:49,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:49,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:49,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-14 23:30:49,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:49,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 23:30:49,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:49,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:49,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:49,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:49,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:30:49,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:49,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 23:30:49,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:49,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:49,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:30:49,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:49,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:30:49,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:49,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:30:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:49,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:49,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:49,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:30:49,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:49,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 23:30:49,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:49,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:49,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:30:49,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:49,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:30:49,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:49,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:49,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:49,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:49,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:30:49,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:49,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:30:49,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:49,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:49,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:49,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:49,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:30:49,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:49,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:30:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:49,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:49,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:49,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:30:49,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:49,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 23:30:49,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:49,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:49,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:30:49,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:30:49,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 23:30:49,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:49,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:49,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:49,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:49,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:30:49,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:49,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:30:49,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:49,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:49,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:30:49,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:49,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:30:49,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:49,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 23:30:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:49,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:49,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:49,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:30:49,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:49,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 23:30:49,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:49,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:49,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:30:49,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:30:49,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:30:49,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:49,654 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-14 23:30:49,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1440708477] [2020-10-14 23:30:49,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:30:49,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-14 23:30:49,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421836076] [2020-10-14 23:30:49,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-14 23:30:49,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:30:49,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-14 23:30:49,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2020-10-14 23:30:49,656 INFO L87 Difference]: Start difference. First operand 176 states and 201 transitions. Second operand 23 states. [2020-10-14 23:30:53,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:30:53,182 INFO L93 Difference]: Finished difference Result 384 states and 451 transitions. [2020-10-14 23:30:53,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-14 23:30:53,183 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 89 [2020-10-14 23:30:53,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:30:53,187 INFO L225 Difference]: With dead ends: 384 [2020-10-14 23:30:53,187 INFO L226 Difference]: Without dead ends: 281 [2020-10-14 23:30:53,189 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=416, Invalid=2340, Unknown=0, NotChecked=0, Total=2756 [2020-10-14 23:30:53,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-10-14 23:30:53,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 225. [2020-10-14 23:30:53,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-10-14 23:30:53,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 267 transitions. [2020-10-14 23:30:53,214 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 267 transitions. Word has length 89 [2020-10-14 23:30:53,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:30:53,215 INFO L479 AbstractCegarLoop]: Abstraction has 225 states and 267 transitions. [2020-10-14 23:30:53,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-14 23:30:53,215 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 267 transitions. [2020-10-14 23:30:53,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-14 23:30:53,217 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:30:53,217 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2020-10-14 23:30:53,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 23:30:53,218 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:30:53,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:30:53,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1221026176, now seen corresponding path program 1 times [2020-10-14 23:30:53,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:30:53,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1997265653] [2020-10-14 23:30:53,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:30:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:53,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:53,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:53,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:53,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:54,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:54,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:58,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:58,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-14 23:30:58,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 23:30:58,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 23:30:58,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:58,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:58,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-14 23:30:58,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 23:30:58,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 23:30:58,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:58,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:30:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:58,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:58,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:58,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:30:58,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:58,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:30:58,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:58,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:58,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:58,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:58,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 23:30:58,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:58,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:30:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:58,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:58,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:58,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 23:30:58,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:58,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:30:58,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:58,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:58,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:58,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:58,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 23:30:58,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:58,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:30:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:58,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:58,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:58,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:30:58,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:58,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:30:58,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:58,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:58,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:58,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:58,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:30:58,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:58,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:58,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:58,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:58,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:30:58,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:58,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 23:30:58,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:58,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:58,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:58,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:58,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:58,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:58,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:30:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:58,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:58,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:58,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:30:58,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:58,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:30:58,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:58,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:58,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:58,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:58,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:30:58,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:58,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:58,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:58,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:58,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:30:58,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:58,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:30:58,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:58,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:58,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:58,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:58,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:58,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:58,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:30:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:58,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:58,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:58,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 23:30:58,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:58,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-14 23:30:58,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:58,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:58,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 23:30:58,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:58,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 23:30:58,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:58,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:58,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:58,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:58,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:30:58,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:58,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:30:58,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:58,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:58,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:58,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:30:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:58,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:58,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:58,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 23:30:58,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:58,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-14 23:30:58,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:58,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:58,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 23:30:58,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:58,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 23:30:58,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:58,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:58,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:58,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:58,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:30:58,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:58,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:30:58,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:58,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:58,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:58,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:58,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:30:58,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:58,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:30:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:58,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:58,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:58,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:30:58,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:58,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:30:58,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:58,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:58,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:30:58,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:58,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:30:58,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:58,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:58,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:58,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:58,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:30:58,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:58,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:30:58,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:58,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:30:58,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:58,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:30:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:58,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:58,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:58,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:30:58,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:58,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 23:30:58,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:58,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:58,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:30:58,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:58,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:30:58,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:58,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:58,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:58,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:58,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:30:58,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:58,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:30:58,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:58,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:58,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:30:58,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:58,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:30:58,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:58,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 23:30:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:58,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:58,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:58,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:58,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 23:30:58,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:30:58,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-14 23:30:58,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:58,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:58,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:30:58,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:30:58,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 23:30:58,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:58,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:58,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:58,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:58,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:30:58,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:58,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:30:58,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:58,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:58,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:30:58,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:58,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:30:58,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:59,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:30:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:59,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:59,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:59,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 23:30:59,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:59,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:30:59,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:59,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:59,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:30:59,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:59,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 23:30:59,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:59,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:30:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:59,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:59,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:59,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:30:59,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:59,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:30:59,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:59,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:59,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:59,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:30:59,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:59,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:30:59,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 23:30:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:30:59,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:30:59,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:30:59,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:30:59,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:30:59,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:30:59,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:30:59,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:30:59,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:30:59,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:30:59,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:30:59,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:30:59,089 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-10-14 23:30:59,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1997265653] [2020-10-14 23:30:59,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:30:59,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-14 23:30:59,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031731379] [2020-10-14 23:30:59,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-14 23:30:59,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:30:59,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-14 23:30:59,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=413, Unknown=0, NotChecked=0, Total=462 [2020-10-14 23:30:59,092 INFO L87 Difference]: Start difference. First operand 225 states and 267 transitions. Second operand 22 states. [2020-10-14 23:31:02,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:31:02,286 INFO L93 Difference]: Finished difference Result 450 states and 532 transitions. [2020-10-14 23:31:02,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-14 23:31:02,287 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 110 [2020-10-14 23:31:02,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:31:02,289 INFO L225 Difference]: With dead ends: 450 [2020-10-14 23:31:02,289 INFO L226 Difference]: Without dead ends: 295 [2020-10-14 23:31:02,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=449, Invalid=2743, Unknown=0, NotChecked=0, Total=3192 [2020-10-14 23:31:02,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-10-14 23:31:02,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 245. [2020-10-14 23:31:02,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-10-14 23:31:02,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 283 transitions. [2020-10-14 23:31:02,314 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 283 transitions. Word has length 110 [2020-10-14 23:31:02,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:31:02,314 INFO L479 AbstractCegarLoop]: Abstraction has 245 states and 283 transitions. [2020-10-14 23:31:02,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-14 23:31:02,315 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 283 transitions. [2020-10-14 23:31:02,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-14 23:31:02,316 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:31:02,317 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:31:02,317 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 23:31:02,317 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:31:02,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:31:02,317 INFO L82 PathProgramCache]: Analyzing trace with hash 492974183, now seen corresponding path program 1 times [2020-10-14 23:31:02,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:31:02,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [882031191] [2020-10-14 23:31:02,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:31:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:02,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:02,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:02,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:02,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:03,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:03,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:07,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:07,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-14 23:31:07,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 23:31:07,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 23:31:07,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:07,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:07,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-14 23:31:07,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 23:31:07,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 23:31:07,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:07,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:31:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:07,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:07,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:07,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:31:07,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:07,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:31:07,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:07,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:07,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:07,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:07,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:07,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:07,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:31:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:07,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:07,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:07,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 23:31:07,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:07,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 23:31:07,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:07,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:07,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:07,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:07,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:07,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:07,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:31:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:07,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:07,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:07,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:07,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:07,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:31:07,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:07,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:07,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:31:07,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:07,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 23:31:07,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:07,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:07,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:07,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:07,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:31:07,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:07,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:31:07,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:07,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:07,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:07,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:07,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:31:07,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:07,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:31:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:07,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:07,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:07,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:07,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:07,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 23:31:07,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:07,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:07,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:31:07,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:31:07,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 23:31:07,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:07,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:07,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:07,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:07,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:31:07,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:07,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:31:07,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:07,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:07,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:07,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:07,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:31:07,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:07,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:31:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:07,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:07,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:07,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 23:31:07,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:07,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-14 23:31:07,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:07,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:07,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 23:31:07,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:07,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-14 23:31:07,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:07,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:07,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:07,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:07,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:31:07,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:07,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:31:07,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:07,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:07,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:07,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:07,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:31:07,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:07,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:31:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:07,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:07,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:07,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 23:31:07,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:07,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-14 23:31:07,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:07,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:07,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-14 23:31:07,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:07,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 23:31:07,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:08,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:08,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:08,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:08,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:31:08,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:08,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:31:08,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:08,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:08,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:08,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:08,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:31:08,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:08,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:31:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:08,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:08,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:08,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:08,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:08,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:31:08,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:08,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:08,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:31:08,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:08,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:31:08,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:08,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:08,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:08,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:08,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:31:08,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:08,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:31:08,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:08,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:08,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:08,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:08,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:31:08,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:08,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:31:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:08,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:08,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:08,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:31:08,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:08,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 23:31:08,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:08,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:08,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 23:31:08,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:31:08,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 23:31:08,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:08,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:08,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:08,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:08,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:31:08,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:08,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 23:31:08,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:08,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:08,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:31:08,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:31:08,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:31:08,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:08,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 23:31:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:08,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:08,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:08,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:08,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 23:31:08,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:31:08,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-14 23:31:08,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:08,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:08,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 23:31:08,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:31:08,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 23:31:08,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:08,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:08,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:08,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:08,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:31:08,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:08,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:31:08,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:08,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:08,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:08,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:08,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:31:08,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:08,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 23:31:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:08,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:08,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:08,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 23:31:08,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:08,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 23:31:08,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:08,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:08,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 23:31:08,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:31:08,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 23:31:08,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:08,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:08,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:08,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:08,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:31:08,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:08,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 23:31:08,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:08,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:08,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:31:08,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:08,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:31:08,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:09,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 23:31:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:09,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:09,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:09,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:31:09,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:09,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:31:09,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:09,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:09,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:09,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:31:09,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:09,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 16 proven. 22 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-10-14 23:31:09,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [882031191] [2020-10-14 23:31:09,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:31:09,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-14 23:31:09,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485356707] [2020-10-14 23:31:09,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-14 23:31:09,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:31:09,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-14 23:31:09,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=981, Unknown=0, NotChecked=0, Total=1056 [2020-10-14 23:31:09,109 INFO L87 Difference]: Start difference. First operand 245 states and 283 transitions. Second operand 33 states. [2020-10-14 23:31:11,103 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2020-10-14 23:31:12,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:31:12,983 INFO L93 Difference]: Finished difference Result 413 states and 491 transitions. [2020-10-14 23:31:12,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-14 23:31:12,983 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 113 [2020-10-14 23:31:12,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:31:12,987 INFO L225 Difference]: With dead ends: 413 [2020-10-14 23:31:12,987 INFO L226 Difference]: Without dead ends: 269 [2020-10-14 23:31:12,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 516 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=252, Invalid=3288, Unknown=0, NotChecked=0, Total=3540 [2020-10-14 23:31:12,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-10-14 23:31:13,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 246. [2020-10-14 23:31:13,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-10-14 23:31:13,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 284 transitions. [2020-10-14 23:31:13,015 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 284 transitions. Word has length 113 [2020-10-14 23:31:13,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:31:13,016 INFO L479 AbstractCegarLoop]: Abstraction has 246 states and 284 transitions. [2020-10-14 23:31:13,016 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-14 23:31:13,016 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 284 transitions. [2020-10-14 23:31:13,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-14 23:31:13,018 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:31:13,018 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:31:13,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 23:31:13,018 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:31:13,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:31:13,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1671037785, now seen corresponding path program 2 times [2020-10-14 23:31:13,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:31:13,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1753761715] [2020-10-14 23:31:13,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:31:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:13,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:13,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:13,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:13,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:13,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:18,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:18,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-14 23:31:18,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 23:31:18,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 23:31:18,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:18,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:18,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 23:31:18,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 23:31:18,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 23:31:18,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:18,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:31:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:18,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:18,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:18,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:31:18,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:18,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:31:18,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:18,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:18,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:18,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:18,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 23:31:18,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:18,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:31:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:18,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:18,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:18,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 23:31:18,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:18,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:18,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:18,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:18,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:18,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:18,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 23:31:18,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:18,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:31:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:18,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:18,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:18,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:18,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:18,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:31:18,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:18,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:18,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:18,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:18,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:31:18,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:18,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:18,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:18,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:18,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:31:18,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:18,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:18,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:18,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:18,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:18,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:18,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:18,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:18,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:31:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:18,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:18,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:18,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:18,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:18,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:31:18,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:18,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:18,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:18,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:18,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:31:18,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:18,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:18,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:18,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:18,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:31:18,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:18,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:18,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:18,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:18,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:18,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:18,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:18,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:18,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:31:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:18,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:18,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:19,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:19,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 23:31:19,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:31:19,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 844 [2020-10-14 23:31:19,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:19,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:19,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 23:31:19,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:19,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 23:31:19,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 23:31:19,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:19,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:19,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:19,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:31:19,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:19,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:31:19,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:19,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:19,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:19,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:19,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:19,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:19,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:31:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:19,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:19,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:19,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 23:31:19,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:19,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-14 23:31:19,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:19,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:19,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-14 23:31:19,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:19,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 23:31:19,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:19,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:19,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:19,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:19,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:31:19,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:19,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:31:19,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:19,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:19,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:31:19,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:19,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:31:19,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:19,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:31:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:19,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:19,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:19,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:19,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:19,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:31:19,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:19,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:19,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:31:19,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:19,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:31:19,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:19,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:19,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:19,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:19,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:31:19,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:19,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:19,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:19,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:19,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:19,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:19,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:31:19,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:19,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:31:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:19,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:19,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:19,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:31:19,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:19,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 23:31:19,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:19,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:19,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:31:19,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:31:19,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 23:31:19,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:19,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:19,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:19,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:19,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:31:19,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:19,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:31:19,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:19,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:19,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:31:19,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:19,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:31:19,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:19,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 23:31:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:19,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:19,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:19,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:19,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 23:31:19,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:31:19,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-10-14 23:31:19,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:19,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:19,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 23:31:19,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:31:19,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-14 23:31:19,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:20,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:20,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:20,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:20,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:31:20,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:20,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:31:20,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:20,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:20,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:20,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:20,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:31:20,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:20,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 23:31:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:20,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:20,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:20,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 23:31:20,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:20,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 23:31:20,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:20,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:20,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 23:31:20,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:31:20,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 23:31:20,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:20,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:20,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:20,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:20,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:31:20,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:20,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 23:31:20,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:20,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:20,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:31:20,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:20,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 23:31:20,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:20,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 23:31:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:20,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:20,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:20,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:31:20,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:20,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:31:20,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:20,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:20,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:20,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:31:20,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:20,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:20,333 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 30 proven. 25 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-14 23:31:20,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1753761715] [2020-10-14 23:31:20,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:31:20,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-14 23:31:20,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986609125] [2020-10-14 23:31:20,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-14 23:31:20,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:31:20,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-14 23:31:20,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-10-14 23:31:20,336 INFO L87 Difference]: Start difference. First operand 246 states and 284 transitions. Second operand 26 states. [2020-10-14 23:31:24,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:31:24,959 INFO L93 Difference]: Finished difference Result 493 states and 583 transitions. [2020-10-14 23:31:24,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-14 23:31:24,959 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 116 [2020-10-14 23:31:24,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:31:24,963 INFO L225 Difference]: With dead ends: 493 [2020-10-14 23:31:24,963 INFO L226 Difference]: Without dead ends: 337 [2020-10-14 23:31:24,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 815 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=501, Invalid=3281, Unknown=0, NotChecked=0, Total=3782 [2020-10-14 23:31:24,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-10-14 23:31:24,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 289. [2020-10-14 23:31:24,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2020-10-14 23:31:24,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 340 transitions. [2020-10-14 23:31:24,997 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 340 transitions. Word has length 116 [2020-10-14 23:31:24,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:31:24,998 INFO L479 AbstractCegarLoop]: Abstraction has 289 states and 340 transitions. [2020-10-14 23:31:24,998 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-14 23:31:24,998 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 340 transitions. [2020-10-14 23:31:24,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-14 23:31:24,999 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:31:25,000 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-14 23:31:25,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 23:31:25,000 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:31:25,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:31:25,001 INFO L82 PathProgramCache]: Analyzing trace with hash -329203367, now seen corresponding path program 1 times [2020-10-14 23:31:25,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:31:25,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [863649252] [2020-10-14 23:31:25,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:31:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:25,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:25,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:25,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:28,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:28,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-14 23:31:28,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 23:31:28,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3724 [2020-10-14 23:31:28,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:28,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:28,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-14 23:31:28,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 23:31:28,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-14 23:31:28,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:28,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:31:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:28,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:28,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:28,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:31:28,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:28,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:31:28,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:28,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:28,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:28,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:28,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 23:31:28,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:28,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:31:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:28,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:28,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:28,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 23:31:28,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:28,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:28,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:28,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:28,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:28,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:28,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 23:31:28,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:28,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:31:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:28,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:28,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:28,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:28,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:28,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:31:28,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:28,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:28,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:28,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:28,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:31:28,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:28,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:28,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:28,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:28,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:31:28,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:28,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:28,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:28,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:28,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:28,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:28,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:28,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:28,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:31:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:28,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:28,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:28,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:28,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:28,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:31:28,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:28,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:28,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:28,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:28,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:31:28,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:28,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:28,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:28,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:28,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:31:28,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:28,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:28,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:28,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:28,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:28,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:28,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:28,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 23:31:28,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:31:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:28,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:29,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:29,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 23:31:29,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:29,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-14 23:31:29,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:29,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:29,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 23:31:29,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:29,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 23:31:29,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:29,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:29,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:29,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:29,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:31:29,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:29,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:31:29,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:29,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:29,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:29,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:29,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:29,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:29,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:31:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:29,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:29,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:29,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 23:31:29,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:29,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-14 23:31:29,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:29,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:29,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 23:31:29,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:29,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 23:31:29,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:29,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:29,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:29,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:29,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:31:29,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:29,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:31:29,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:29,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:29,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:29,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:29,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:31:29,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:29,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:31:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:29,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:29,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:29,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:29,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:29,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 23:31:29,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:29,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:29,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:31:29,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:29,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:31:29,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:29,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:29,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:29,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:29,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:31:29,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:29,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:31:29,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:29,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:29,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:29,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:29,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:31:29,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:29,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:31:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:29,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:29,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:29,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:31:29,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:29,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 23:31:29,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:29,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:29,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:31:29,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:29,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:31:29,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:29,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:29,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:29,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:29,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:31:29,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:29,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 23:31:29,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:29,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:29,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:31:29,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:29,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:31:29,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:29,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 23:31:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:29,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:29,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:30,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:30,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 23:31:30,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:31:30,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 738 [2020-10-14 23:31:30,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:30,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:30,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 23:31:30,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:31:30,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 23:31:30,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:30,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:30,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:30,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:30,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:31:30,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:30,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:31:30,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:30,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:30,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:30,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:30,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:31:30,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:30,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 23:31:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:30,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:30,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:30,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 23:31:30,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:30,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 23:31:30,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:30,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:30,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 23:31:30,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:31:30,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 23:31:30,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:30,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:30,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:30,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:30,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:31:30,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:30,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 23:31:30,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:30,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:30,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:31:30,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:30,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:31:30,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:30,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:31:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:30,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:30,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:30,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:30,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:30,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:31:30,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:30,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:30,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:30,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:30,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:31:30,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:30,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:30,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:30,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:30,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:31:30,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:30,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:30,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:30,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:30,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:30,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:30,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:30,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:30,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:31:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:30,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:30,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:30,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:31:30,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:30,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 23:31:30,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:30,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:30,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:30,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:30,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 23:31:30,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:30,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:30,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:30,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:30,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:31:30,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:30,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:31:30,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:30,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:30,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:30,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 23:31:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:30,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:30,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:30,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:31:30,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:30,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:31:30,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:30,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:30,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:30,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:31:30,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:30,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:30,773 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 26 proven. 22 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-10-14 23:31:30,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [863649252] [2020-10-14 23:31:30,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:31:30,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-14 23:31:30,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48521670] [2020-10-14 23:31:30,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-14 23:31:30,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:31:30,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-14 23:31:30,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2020-10-14 23:31:30,776 INFO L87 Difference]: Start difference. First operand 289 states and 340 transitions. Second operand 24 states. [2020-10-14 23:31:34,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:31:34,082 INFO L93 Difference]: Finished difference Result 456 states and 529 transitions. [2020-10-14 23:31:34,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-14 23:31:34,083 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 133 [2020-10-14 23:31:34,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:31:34,085 INFO L225 Difference]: With dead ends: 456 [2020-10-14 23:31:34,085 INFO L226 Difference]: Without dead ends: 303 [2020-10-14 23:31:34,087 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 944 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=534, Invalid=3498, Unknown=0, NotChecked=0, Total=4032 [2020-10-14 23:31:34,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-14 23:31:34,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 258. [2020-10-14 23:31:34,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-10-14 23:31:34,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 295 transitions. [2020-10-14 23:31:34,113 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 295 transitions. Word has length 133 [2020-10-14 23:31:34,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:31:34,114 INFO L479 AbstractCegarLoop]: Abstraction has 258 states and 295 transitions. [2020-10-14 23:31:34,114 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-14 23:31:34,114 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 295 transitions. [2020-10-14 23:31:34,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-14 23:31:34,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:31:34,116 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:31:34,116 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 23:31:34,116 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:31:34,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:31:34,116 INFO L82 PathProgramCache]: Analyzing trace with hash -708579943, now seen corresponding path program 2 times [2020-10-14 23:31:34,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:31:34,117 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [75897469] [2020-10-14 23:31:34,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:31:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-14 23:31:34,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-14 23:31:34,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 23:31:34,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-10-14 23:31:34,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 23:31:34,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:34,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:31:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:31:34,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:31:34,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:34,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:34,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:34,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:31:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 23:31:34,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 23:31:34,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:34,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:34,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:34,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:31:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:34,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:31:34,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:34,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:34,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:34,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:31:34,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 23:31:34,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:34,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:34,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:34,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:31:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:34,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:31:34,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:34,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:34,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:34,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:31:34,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:34,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:34,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:34,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:34,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:31:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 23:31:34,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 23:31:34,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:34,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:34,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:31:34,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:34,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:34,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:34,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:34,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:31:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 23:31:34,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:31:34,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:34,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:34,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:34,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:31:34,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:34,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:34,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:34,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:34,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:31:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:34,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:31:34,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:34,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:34,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:34,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:31:34,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:34,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:34,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:34,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:34,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:31:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:31:34,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:31:34,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:34,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:34,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:34,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:31:34,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:34,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:34,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:34,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:34,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 23:31:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-14 23:31:34,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 23:31:34,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:34,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:34,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:34,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:31:34,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:31:34,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:34,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:34,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:34,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 23:31:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 23:31:34,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:31:34,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:34,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:34,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:34,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:31:34,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:31:34,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:34,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:34,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:34,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 23:31:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:34,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:31:34,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:34,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:34,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:34,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:31:34,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:34,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:34,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:34,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:34,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 23:31:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:31:34,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:31:34,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:34,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:34,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:34,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:31:34,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:31:34,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:34,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:34,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:34,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 23:31:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:34,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:34,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:34,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:31:34,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:34,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:31:34,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:34,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:34,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 23:31:34,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:34,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:31:34,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:34,569 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-10-14 23:31:34,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [75897469] [2020-10-14 23:31:34,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:31:34,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 23:31:34,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286044945] [2020-10-14 23:31:34,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 23:31:34,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:31:34,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 23:31:34,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 23:31:34,572 INFO L87 Difference]: Start difference. First operand 258 states and 295 transitions. Second operand 8 states. [2020-10-14 23:31:34,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:31:34,991 INFO L93 Difference]: Finished difference Result 284 states and 325 transitions. [2020-10-14 23:31:34,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 23:31:34,992 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 136 [2020-10-14 23:31:34,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:31:34,995 INFO L225 Difference]: With dead ends: 284 [2020-10-14 23:31:34,995 INFO L226 Difference]: Without dead ends: 282 [2020-10-14 23:31:34,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 23:31:34,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-10-14 23:31:35,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 274. [2020-10-14 23:31:35,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-10-14 23:31:35,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 311 transitions. [2020-10-14 23:31:35,022 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 311 transitions. Word has length 136 [2020-10-14 23:31:35,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:31:35,023 INFO L479 AbstractCegarLoop]: Abstraction has 274 states and 311 transitions. [2020-10-14 23:31:35,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 23:31:35,023 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 311 transitions. [2020-10-14 23:31:35,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-14 23:31:35,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:31:35,025 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:31:35,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 23:31:35,025 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:31:35,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:31:35,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1534446106, now seen corresponding path program 1 times [2020-10-14 23:31:35,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:31:35,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1230859100] [2020-10-14 23:31:35,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:31:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:35,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:35,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:35,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:40,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:40,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-14 23:31:40,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 23:31:40,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-14 23:31:40,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:40,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:40,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 23:31:40,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 23:31:40,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 23:31:40,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:40,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:31:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:40,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:40,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:40,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:31:40,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:40,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:31:40,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:40,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:40,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:40,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:40,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 23:31:40,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:40,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:31:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:40,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:40,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:40,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 23:31:40,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:40,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:40,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:40,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:40,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:40,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:40,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 23:31:40,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:40,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:31:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:40,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:40,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:40,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:40,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:40,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:31:40,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:40,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:40,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:40,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:40,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:31:40,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:40,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:40,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:40,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:40,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:31:40,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:40,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:40,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:40,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:40,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:40,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:40,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:40,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:40,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:31:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:40,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:40,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:40,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:40,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:40,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:31:40,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:40,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:40,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:40,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:40,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:31:40,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:40,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:40,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:40,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:40,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:31:40,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:40,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:40,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:40,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:40,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:40,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:40,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:40,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:40,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:31:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:40,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:40,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:40,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 23:31:40,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:40,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 23:31:40,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:40,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:40,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:40,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:40,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 23:31:40,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:40,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:40,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:40,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:40,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:31:40,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:40,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:40,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:40,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:40,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:40,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:40,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:40,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:40,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:31:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:40,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:40,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:40,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 23:31:40,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:40,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 23:31:40,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:40,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:40,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:40,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:40,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:40,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:40,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:40,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:40,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:40,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:31:40,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:40,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:40,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:40,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:40,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:40,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:40,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:40,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:40,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:31:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:40,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:40,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:40,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:40,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:40,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:31:40,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:40,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:40,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:40,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:40,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:40,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:40,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:40,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:40,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:40,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:31:40,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:40,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:40,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:40,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:40,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:40,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:40,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:40,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:40,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:31:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:40,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:40,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:40,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:31:40,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:40,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:31:40,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:40,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:40,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:40,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:40,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:40,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:40,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:40,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:40,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:40,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:31:40,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:40,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:40,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:40,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:40,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:40,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:40,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:40,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:40,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 23:31:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:40,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:40,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:41,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:41,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-14 23:31:41,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:31:41,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 949 [2020-10-14 23:31:41,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:41,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:41,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 23:31:41,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:41,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 23:31:41,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:41,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:41,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:41,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:41,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:31:41,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:41,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:31:41,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:41,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:41,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:41,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:41,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:41,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:41,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 23:31:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:41,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:41,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:41,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 23:31:41,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:41,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-14 23:31:41,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:41,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:41,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-14 23:31:41,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:41,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 23:31:41,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:41,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:41,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:41,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:41,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:31:41,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:41,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:31:41,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:41,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:41,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:31:41,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:41,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 23:31:41,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:41,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 23:31:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:41,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:41,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:41,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:41,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:41,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 23:31:41,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:41,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:41,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:31:41,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:41,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:31:41,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:41,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:41,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:41,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:41,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:31:41,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:41,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:31:41,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:41,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:41,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:41,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:41,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:31:41,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:41,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 23:31:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:41,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:42,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:42,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:31:42,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:42,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 23:31:42,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:42,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:42,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:31:42,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:31:42,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 23:31:42,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:42,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:42,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:42,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:42,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:31:42,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:42,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 23:31:42,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:42,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:42,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:31:42,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:42,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:31:42,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:42,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 23:31:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:42,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:42,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:42,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:31:42,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:42,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 23:31:42,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:42,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:42,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:31:42,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:31:42,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:31:42,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:42,395 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 66 proven. 10 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-14 23:31:42,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1230859100] [2020-10-14 23:31:42,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:31:42,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-14 23:31:42,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869714244] [2020-10-14 23:31:42,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-14 23:31:42,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:31:42,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-14 23:31:42,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=456, Unknown=0, NotChecked=0, Total=506 [2020-10-14 23:31:42,397 INFO L87 Difference]: Start difference. First operand 274 states and 311 transitions. Second operand 23 states. [2020-10-14 23:31:45,041 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2020-10-14 23:31:45,250 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2020-10-14 23:31:45,495 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 84 [2020-10-14 23:31:46,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:31:46,716 INFO L93 Difference]: Finished difference Result 477 states and 555 transitions. [2020-10-14 23:31:46,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-14 23:31:46,716 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 139 [2020-10-14 23:31:46,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:31:46,718 INFO L225 Difference]: With dead ends: 477 [2020-10-14 23:31:46,718 INFO L226 Difference]: Without dead ends: 309 [2020-10-14 23:31:46,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 532 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=373, Invalid=2279, Unknown=0, NotChecked=0, Total=2652 [2020-10-14 23:31:46,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-10-14 23:31:46,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 269. [2020-10-14 23:31:46,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-10-14 23:31:46,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 304 transitions. [2020-10-14 23:31:46,755 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 304 transitions. Word has length 139 [2020-10-14 23:31:46,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:31:46,757 INFO L479 AbstractCegarLoop]: Abstraction has 269 states and 304 transitions. [2020-10-14 23:31:46,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-14 23:31:46,758 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 304 transitions. [2020-10-14 23:31:46,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-14 23:31:46,761 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:31:46,761 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-14 23:31:46,761 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 23:31:46,761 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:31:46,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:31:46,762 INFO L82 PathProgramCache]: Analyzing trace with hash 328583088, now seen corresponding path program 2 times [2020-10-14 23:31:46,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:31:46,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [725910289] [2020-10-14 23:31:46,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:31:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:46,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:47,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:47,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:51,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:51,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-14 23:31:51,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 23:31:51,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-14 23:31:51,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:51,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:51,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-14 23:31:51,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 23:31:51,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 23:31:51,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:51,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:31:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:51,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:51,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:51,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:31:51,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:51,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:31:51,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:51,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:51,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:51,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:51,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 23:31:51,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:51,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:31:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:51,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:51,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:51,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 23:31:51,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:51,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 23:31:51,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:51,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:51,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:51,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:51,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 23:31:51,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:51,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:31:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:51,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:51,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:51,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:51,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:51,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:31:51,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:51,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:51,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:51,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:51,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:31:51,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:51,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:51,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:51,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:51,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:31:51,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:51,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 23:31:51,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:51,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:51,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:51,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:51,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:51,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:51,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:31:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:51,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:51,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:51,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:51,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:51,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:31:51,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:51,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:31:51,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:51,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:51,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:51,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:51,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:31:51,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:51,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 23:31:51,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:51,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:51,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:51,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:51,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:51,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:51,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:31:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:51,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:52,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:52,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 23:31:52,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:52,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-14 23:31:52,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:52,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:52,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 23:31:52,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:52,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 23:31:52,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:52,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:52,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:52,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:52,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:31:52,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:52,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:52,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:52,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:52,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:31:52,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:52,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:31:52,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:52,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:31:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:52,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:52,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:52,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 23:31:52,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:52,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 23:31:52,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:52,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:52,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 23:31:52,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:52,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 23:31:52,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:52,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:52,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:52,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:52,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:31:52,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:52,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:31:52,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:52,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:52,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:52,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:52,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:31:52,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:52,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:31:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:52,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:52,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:52,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:52,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:52,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 23:31:52,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:52,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:52,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:31:52,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:52,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:31:52,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:52,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:52,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:52,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:52,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:31:52,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:52,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:31:52,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:52,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:52,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:52,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:52,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:31:52,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:52,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:31:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:52,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:52,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:52,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:31:52,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:52,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 23:31:52,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:52,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:52,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:31:52,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:52,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:31:52,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:52,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:52,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:52,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:52,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:31:52,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:52,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:31:52,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:52,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:52,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:31:52,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:52,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:31:52,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:52,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 23:31:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:52,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:52,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:52,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-14 23:31:52,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:52,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-10-14 23:31:52,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:52,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:52,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 23:31:52,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:31:52,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 23:31:52,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:52,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:52,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:52,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:52,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:31:52,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:52,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:31:52,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:52,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:52,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:52,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:52,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:31:52,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:52,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 23:31:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:52,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:52,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:52,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 23:31:52,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:52,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-14 23:31:52,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:52,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:52,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 23:31:52,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:31:52,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 23:31:52,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:53,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:53,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:53,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:53,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:31:53,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:53,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:31:53,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:53,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:53,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:53,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:53,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:31:53,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:53,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 23:31:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:53,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:53,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:53,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:53,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:53,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:31:53,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:53,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:53,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:31:53,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:53,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:31:53,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:53,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:53,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:53,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:53,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:31:53,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:53,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:31:53,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:53,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:53,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:31:53,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:31:53,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:31:53,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:53,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 23:31:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:53,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:53,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:53,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:31:53,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:53,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 23:31:53,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:53,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:53,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 23:31:53,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:31:53,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 23:31:53,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:53,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:31:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:53,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:53,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:53,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:31:53,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:53,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 23:31:53,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:53,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:53,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:31:53,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:31:53,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:31:53,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:31:53,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 23:31:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:53,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:53,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:31:53,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:31:53,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:31:53,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 23:31:53,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:31:53,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:31:53,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:31:53,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:31:53,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:31:53,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:31:53,867 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-14 23:31:53,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [725910289] [2020-10-14 23:31:53,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:31:53,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-14 23:31:53,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199505619] [2020-10-14 23:31:53,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-14 23:31:53,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:31:53,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-14 23:31:53,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1099, Unknown=0, NotChecked=0, Total=1190 [2020-10-14 23:31:53,870 INFO L87 Difference]: Start difference. First operand 269 states and 304 transitions. Second operand 35 states. [2020-10-14 23:31:55,831 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2020-10-14 23:31:58,116 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2020-10-14 23:31:59,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:31:59,084 INFO L93 Difference]: Finished difference Result 471 states and 547 transitions. [2020-10-14 23:31:59,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-14 23:31:59,085 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 142 [2020-10-14 23:31:59,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:31:59,088 INFO L225 Difference]: With dead ends: 471 [2020-10-14 23:31:59,088 INFO L226 Difference]: Without dead ends: 311 [2020-10-14 23:31:59,091 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1127 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=505, Invalid=4325, Unknown=0, NotChecked=0, Total=4830 [2020-10-14 23:31:59,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-10-14 23:31:59,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 276. [2020-10-14 23:31:59,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-10-14 23:31:59,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 313 transitions. [2020-10-14 23:31:59,119 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 313 transitions. Word has length 142 [2020-10-14 23:31:59,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:31:59,120 INFO L479 AbstractCegarLoop]: Abstraction has 276 states and 313 transitions. [2020-10-14 23:31:59,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-14 23:31:59,120 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 313 transitions. [2020-10-14 23:31:59,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-14 23:31:59,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:31:59,122 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1] [2020-10-14 23:31:59,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 23:31:59,123 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:31:59,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:31:59,123 INFO L82 PathProgramCache]: Analyzing trace with hash 988721465, now seen corresponding path program 1 times [2020-10-14 23:31:59,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:31:59,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1631994196] [2020-10-14 23:31:59,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:31:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:31:59,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:59,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:59,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:31:59,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-14 23:32:04,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 23:32:04,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 23:32:04,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 23:32:04,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 23:32:04,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-14 23:32:04,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:04,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:32:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:32:04,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:32:04,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:04,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 23:32:04,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:04,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:32:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 23:32:04,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 23:32:04,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:04,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 23:32:04,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:04,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:32:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:32:04,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:32:04,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:04,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:32:04,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:04,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:32:04,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 23:32:04,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:04,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:04,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:04,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:32:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:32:04,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:32:04,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:32:04,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:04,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:32:04,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 23:32:04,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:04,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:04,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:04,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:32:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 23:32:04,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 23:32:04,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:04,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 23:32:04,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:04,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:32:04,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:32:04,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:04,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:04,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:32:04,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:32:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 23:32:04,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:32:04,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:04,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:04,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:04,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:32:04,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:32:04,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:04,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:04,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:04,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:32:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:32:04,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:32:04,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:04,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:04,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:04,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:32:04,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 23:32:04,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:04,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:04,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:32:04,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:32:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:32:04,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:32:04,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:04,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:04,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:04,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:32:04,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:32:04,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:04,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:04,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:04,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 23:32:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-14 23:32:04,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-14 23:32:04,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 23:32:04,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 23:32:04,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:04,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:32:04,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:32:04,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:04,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:04,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:04,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 23:32:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 23:32:04,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 23:32:04,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 23:32:04,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 23:32:04,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:04,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:32:04,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:32:04,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:04,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:32:04,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:04,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 23:32:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:32:04,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:32:04,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:32:04,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:32:04,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:32:04,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:32:04,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:32:04,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:04,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:32:04,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:04,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 23:32:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:32:04,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 23:32:04,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:32:04,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:32:04,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:04,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:32:04,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:32:04,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:32:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:32:04,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:04,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 23:32:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 23:32:04,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:32:04,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 23:32:04,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:32:04,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:32:04,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 23:32:04,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:04,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:32:04,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:32:04,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:04,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:04,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:32:04,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:04,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:32:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:04,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:04,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:04,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:32:04,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:04,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:32:04,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:04,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:04,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:32:04,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:32:04,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 23:32:04,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:05,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-14 23:32:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:05,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:05,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:05,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:32:05,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:05,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:32:05,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:05,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:05,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:05,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 23:32:05,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:05,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:05,028 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2020-10-14 23:32:05,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1631994196] [2020-10-14 23:32:05,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:32:05,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-10-14 23:32:05,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486101025] [2020-10-14 23:32:05,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-14 23:32:05,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:32:05,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-14 23:32:05,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2020-10-14 23:32:05,030 INFO L87 Difference]: Start difference. First operand 276 states and 313 transitions. Second operand 23 states. [2020-10-14 23:32:07,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:32:07,290 INFO L93 Difference]: Finished difference Result 437 states and 505 transitions. [2020-10-14 23:32:07,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-14 23:32:07,290 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 159 [2020-10-14 23:32:07,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:32:07,293 INFO L225 Difference]: With dead ends: 437 [2020-10-14 23:32:07,294 INFO L226 Difference]: Without dead ends: 342 [2020-10-14 23:32:07,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 471 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=353, Invalid=2097, Unknown=0, NotChecked=0, Total=2450 [2020-10-14 23:32:07,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-14 23:32:07,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 278. [2020-10-14 23:32:07,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-10-14 23:32:07,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 315 transitions. [2020-10-14 23:32:07,325 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 315 transitions. Word has length 159 [2020-10-14 23:32:07,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:32:07,325 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 315 transitions. [2020-10-14 23:32:07,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-14 23:32:07,326 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 315 transitions. [2020-10-14 23:32:07,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-14 23:32:07,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:32:07,328 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1] [2020-10-14 23:32:07,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 23:32:07,328 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:32:07,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:32:07,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1767151555, now seen corresponding path program 1 times [2020-10-14 23:32:07,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:32:07,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [312480257] [2020-10-14 23:32:07,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:32:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:07,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:07,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:08,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:08,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:09,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:10,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:12,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:13,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:13,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-14 23:32:13,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 23:32:13,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6527 [2020-10-14 23:32:13,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:13,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:13,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-14 23:32:13,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 23:32:13,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 192 [2020-10-14 23:32:13,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:13,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:32:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:13,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:13,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:13,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:32:13,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:13,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:32:13,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:13,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:13,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:13,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:13,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 23:32:13,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:13,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:32:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:13,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:13,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:13,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 23:32:13,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:13,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 23:32:13,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:13,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:13,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:13,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:13,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 23:32:13,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:13,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:32:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:13,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:13,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:13,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:32:13,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:13,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:32:13,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:13,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:13,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:13,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:13,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:32:13,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:13,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:13,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:13,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:13,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:32:13,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:13,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 23:32:13,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:13,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:13,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:13,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:13,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:13,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:13,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:32:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:13,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:13,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:13,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:32:13,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:13,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:32:13,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:13,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:13,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:13,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:13,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:32:13,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:13,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:13,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:14,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:14,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:32:14,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:14,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 23:32:14,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:14,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:14,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:14,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:14,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:14,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:14,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:32:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:14,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:14,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:14,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 23:32:14,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:14,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 23:32:14,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:14,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:14,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:14,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:14,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 23:32:14,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:14,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:14,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:14,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:14,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:32:14,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:14,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:32:14,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:14,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:14,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:14,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:14,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:14,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:14,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:32:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:14,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:14,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:14,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 23:32:14,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:14,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:32:14,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:14,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:14,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:14,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:14,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:14,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:14,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:14,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:14,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:14,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:32:14,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:14,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:32:14,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:14,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:14,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:14,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:14,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:14,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:14,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:32:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:14,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:14,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:14,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:32:14,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:14,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:32:14,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:14,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:14,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:14,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:14,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:14,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:14,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:14,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:14,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:14,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:32:14,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:14,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 23:32:14,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:14,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:14,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:14,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:14,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:14,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:14,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:32:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:14,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:14,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:14,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:32:14,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:14,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:32:14,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:14,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:14,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:14,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:14,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:14,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:14,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:14,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:14,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:14,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:32:14,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:14,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:32:14,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:14,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:14,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:14,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:14,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:14,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:32:14,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 23:32:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:14,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:14,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:15,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:15,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-14 23:32:15,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:32:15,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1409 [2020-10-14 23:32:15,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:15,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:15,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 23:32:15,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:15,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 23:32:15,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:15,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:15,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:15,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:15,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:32:15,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:15,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:32:15,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:15,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:15,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:15,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:15,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:15,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:15,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 23:32:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:15,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:15,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:15,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 23:32:15,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:15,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-14 23:32:15,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:15,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:15,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-14 23:32:15,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:15,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 23:32:15,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:15,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:15,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:15,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:15,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:32:15,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:15,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 23:32:15,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:15,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:15,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:32:15,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:15,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 23:32:15,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:16,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 23:32:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:16,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:16,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:16,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:32:16,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:16,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:32:16,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:16,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:16,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:32:16,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:16,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:32:16,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:16,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:16,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:16,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:16,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:32:16,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:16,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:32:16,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:16,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:16,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:16,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:16,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:32:16,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:16,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 23:32:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:16,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:16,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:16,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:32:16,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:16,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 23:32:16,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:16,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:16,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:32:16,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:32:16,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 23:32:16,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:16,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:16,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:16,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:16,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:32:16,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:16,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:32:16,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:16,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:16,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:32:16,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:16,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:32:16,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:16,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 23:32:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:16,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:16,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:16,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:16,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 23:32:16,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:32:16,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-14 23:32:16,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:16,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:16,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 23:32:16,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:32:16,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 23:32:16,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:16,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:16,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:16,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:16,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:32:16,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:16,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:32:16,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:16,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:16,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:16,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:16,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:32:16,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:16,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:32:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:16,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:16,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:16,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 23:32:16,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:16,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 23:32:16,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:16,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:16,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:32:16,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:32:16,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 23:32:16,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:16,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-14 23:32:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:16,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:16,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:16,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:32:16,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:16,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:32:16,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:16,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:16,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:16,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 23:32:16,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:16,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:16,726 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 51 proven. 20 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-10-14 23:32:16,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [312480257] [2020-10-14 23:32:16,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:32:16,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-14 23:32:16,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944719682] [2020-10-14 23:32:16,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-14 23:32:16,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:32:16,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-14 23:32:16,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2020-10-14 23:32:16,728 INFO L87 Difference]: Start difference. First operand 278 states and 315 transitions. Second operand 26 states. [2020-10-14 23:32:19,301 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-10-14 23:32:19,633 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 76 [2020-10-14 23:32:20,331 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-10-14 23:32:20,487 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 63 [2020-10-14 23:32:21,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:32:21,249 INFO L93 Difference]: Finished difference Result 438 states and 509 transitions. [2020-10-14 23:32:21,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-14 23:32:21,250 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 162 [2020-10-14 23:32:21,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:32:21,253 INFO L225 Difference]: With dead ends: 438 [2020-10-14 23:32:21,253 INFO L226 Difference]: Without dead ends: 341 [2020-10-14 23:32:21,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=456, Invalid=3084, Unknown=0, NotChecked=0, Total=3540 [2020-10-14 23:32:21,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2020-10-14 23:32:21,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 284. [2020-10-14 23:32:21,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-10-14 23:32:21,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 323 transitions. [2020-10-14 23:32:21,287 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 323 transitions. Word has length 162 [2020-10-14 23:32:21,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:32:21,287 INFO L479 AbstractCegarLoop]: Abstraction has 284 states and 323 transitions. [2020-10-14 23:32:21,287 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-14 23:32:21,287 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 323 transitions. [2020-10-14 23:32:21,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-14 23:32:21,290 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:32:21,290 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:32:21,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 23:32:21,290 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:32:21,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:32:21,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1667500729, now seen corresponding path program 1 times [2020-10-14 23:32:21,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:32:21,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [248367174] [2020-10-14 23:32:21,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:32:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:21,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:21,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:21,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:26,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:26,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-14 23:32:26,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 23:32:26,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-14 23:32:26,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:26,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:26,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-14 23:32:26,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 23:32:26,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-14 23:32:26,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:26,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:32:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:26,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:26,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:26,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:32:26,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:26,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:32:26,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:26,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:26,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:26,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:26,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 23:32:26,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:26,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:32:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:26,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:26,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:26,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 23:32:26,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:26,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 23:32:26,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:26,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:26,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:26,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:26,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 23:32:26,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:26,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:32:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:26,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:26,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:26,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:32:26,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:26,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:32:26,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:26,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:26,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:26,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:26,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:32:26,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:26,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:26,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:26,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:26,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:32:26,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:26,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 23:32:26,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:26,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:26,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:26,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:26,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:26,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:26,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:32:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:26,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:26,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:26,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:32:26,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:26,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:32:26,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:26,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:26,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:26,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:26,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:32:26,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:26,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:26,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:26,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:26,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:32:26,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:26,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 23:32:26,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:26,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:26,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:26,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:26,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:26,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:26,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:32:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:26,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:26,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:26,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 23:32:26,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:26,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 23:32:26,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:26,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:26,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:26,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:26,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 23:32:26,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:26,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:26,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:26,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:26,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:32:26,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:26,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:32:26,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:26,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:26,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:26,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:26,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:26,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:26,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:32:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:26,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:26,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:26,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 23:32:26,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:26,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:32:26,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:26,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:26,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:26,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:26,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:26,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:26,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:26,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:26,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:26,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:32:26,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:26,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:32:26,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:26,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:26,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:26,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:26,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:26,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:26,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:32:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:26,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:26,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:26,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:32:26,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:26,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:32:26,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:26,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:26,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:26,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:26,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:26,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:26,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:26,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:26,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:26,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:32:26,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:26,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 23:32:26,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:26,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:26,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:26,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:26,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:26,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:26,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:32:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:26,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:26,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:26,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:32:26,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:26,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:32:26,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:26,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:26,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:26,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:26,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:26,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:26,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:26,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:26,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:26,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:32:26,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:26,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:32:26,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:26,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:26,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:26,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:26,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:26,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:26,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 23:32:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:26,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:26,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:27,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:27,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-14 23:32:27,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:32:27,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 504 [2020-10-14 23:32:27,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:27,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:27,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 23:32:27,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:27,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 23:32:27,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:27,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:27,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:27,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:27,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:32:27,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:27,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:32:27,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:27,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:27,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:27,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:27,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:27,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:27,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 23:32:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:27,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:27,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:27,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 23:32:27,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:27,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-14 23:32:27,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:27,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:27,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-14 23:32:27,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:27,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 23:32:27,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:27,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:27,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:27,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:27,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:32:27,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:27,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:32:27,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:27,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:27,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:32:27,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:27,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 23:32:27,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:27,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 23:32:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:27,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:27,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:27,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:32:27,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:27,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 23:32:27,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:27,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:27,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:32:27,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:27,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:32:27,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:27,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:27,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:27,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:27,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:32:27,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:27,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:32:27,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:27,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:27,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:27,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:27,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:32:27,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:27,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 23:32:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:27,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:27,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:27,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:32:27,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:27,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 23:32:27,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:27,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:27,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:32:27,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:32:27,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 23:32:27,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:27,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:27,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:27,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:27,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:32:27,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:27,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:32:27,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:27,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:27,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:32:27,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:27,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:32:27,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:27,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 23:32:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:27,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:27,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:27,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-14 23:32:27,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:27,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 23:32:27,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:27,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:27,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 23:32:27,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:32:27,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 23:32:27,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:27,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:27,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:27,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:27,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:32:27,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:27,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:32:27,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:27,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:27,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:27,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:27,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:32:27,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:27,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:32:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:27,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:28,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:28,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 23:32:28,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:28,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 23:32:28,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:28,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:28,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:32:28,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:32:28,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 23:32:28,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:28,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 23:32:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:28,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:28,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:28,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:32:28,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:28,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:32:28,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:28,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:28,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:28,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:28,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 23:32:28,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:28,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:28,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:28,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:28,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:32:28,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:28,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:32:28,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:28,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:28,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:28,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:28,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:28,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:32:28,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 23:32:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:28,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:28,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:28,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:32:28,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:28,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:32:28,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:28,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:28,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:28,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:32:28,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:28,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:32:28,391 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 51 proven. 12 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-14 23:32:28,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [248367174] [2020-10-14 23:32:28,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:32:28,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-14 23:32:28,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31889382] [2020-10-14 23:32:28,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-14 23:32:28,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:32:28,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-14 23:32:28,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2020-10-14 23:32:28,394 INFO L87 Difference]: Start difference. First operand 284 states and 323 transitions. Second operand 26 states. [2020-10-14 23:32:33,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:32:33,068 INFO L93 Difference]: Finished difference Result 516 states and 616 transitions. [2020-10-14 23:32:33,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-14 23:32:33,069 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 166 [2020-10-14 23:32:33,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:32:33,072 INFO L225 Difference]: With dead ends: 516 [2020-10-14 23:32:33,073 INFO L226 Difference]: Without dead ends: 396 [2020-10-14 23:32:33,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 819 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=448, Invalid=3458, Unknown=0, NotChecked=0, Total=3906 [2020-10-14 23:32:33,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2020-10-14 23:32:33,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 296. [2020-10-14 23:32:33,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-14 23:32:33,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 343 transitions. [2020-10-14 23:32:33,109 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 343 transitions. Word has length 166 [2020-10-14 23:32:33,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:32:33,110 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 343 transitions. [2020-10-14 23:32:33,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-14 23:32:33,110 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 343 transitions. [2020-10-14 23:32:33,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-14 23:32:33,111 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:32:33,112 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:32:33,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 23:32:33,112 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:32:33,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:32:33,112 INFO L82 PathProgramCache]: Analyzing trace with hash 851453749, now seen corresponding path program 1 times [2020-10-14 23:32:33,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:32:33,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1359603874] [2020-10-14 23:32:33,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:32:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:33,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:33,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:33,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:34,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:38,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:38,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-14 23:32:38,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 23:32:38,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 23:32:38,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:38,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:38,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 23:32:38,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 23:32:38,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 193 [2020-10-14 23:32:38,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:38,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:32:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:38,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:38,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:38,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:32:38,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:38,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:32:38,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:38,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:38,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:38,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:38,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 23:32:38,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:38,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:32:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:38,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:38,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:38,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 23:32:38,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:38,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:32:38,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:38,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:38,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:38,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:38,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 23:32:38,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:38,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:32:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:38,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:38,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:38,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:32:38,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:38,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:32:38,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:38,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:38,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:38,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:38,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:32:38,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:38,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:38,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:38,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:38,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:32:38,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:38,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 23:32:38,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:38,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:38,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:38,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:38,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:38,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:38,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:32:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:38,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:38,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:38,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:32:38,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:38,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:32:38,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:38,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:38,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:38,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:38,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:32:38,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:38,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:38,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:38,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:38,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:32:38,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:38,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 23:32:38,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:38,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:38,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:38,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:32:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:38,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:38,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:38,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 23:32:38,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:38,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 23:32:38,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:38,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:38,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:38,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:38,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 23:32:38,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:38,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:38,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:38,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:38,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:32:38,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:38,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:32:38,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:38,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:38,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:38,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:38,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:38,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:38,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:32:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:38,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:38,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:38,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 23:32:38,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:38,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:32:38,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:38,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:38,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:38,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:38,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:38,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:38,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:38,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:38,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:38,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:32:38,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:38,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:32:38,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:38,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:38,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:38,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:38,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:38,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:38,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:32:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:38,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:38,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:38,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:32:38,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:38,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:32:38,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:38,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:38,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:38,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:38,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:38,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:38,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:38,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:38,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:38,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:32:38,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:38,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 23:32:38,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:38,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:38,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:38,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:38,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:38,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:38,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 23:32:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:38,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:38,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:38,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:32:38,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:38,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:32:38,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:38,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:38,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:38,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:38,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:38,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:38,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:38,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:38,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:38,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:32:38,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:38,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:32:38,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:38,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:38,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:32:38,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:38,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:32:38,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:38,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 23:32:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:38,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:38,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:39,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:39,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-14 23:32:39,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:32:39,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1251 [2020-10-14 23:32:39,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:39,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:39,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 23:32:39,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:39,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 23:32:39,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:39,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:39,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:39,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:39,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:32:39,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:39,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:32:39,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:39,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:32:39,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:39,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 23:32:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:39,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:40,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:40,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 23:32:40,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:40,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-14 23:32:40,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:40,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:40,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-14 23:32:40,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:40,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 23:32:40,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:40,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:40,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:40,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:40,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:32:40,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:40,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 23:32:40,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:40,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:40,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:32:40,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:40,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 23:32:40,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:40,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 23:32:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:40,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:40,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:40,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 23:32:40,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:40,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 23:32:40,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:40,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:40,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:32:40,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:40,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 23:32:40,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:40,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:40,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:40,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:40,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 23:32:40,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:40,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:32:40,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:40,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:40,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:32:40,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:32:40,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:32:40,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:40,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 23:32:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:40,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:40,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:40,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 23:32:40,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:40,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 23:32:40,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:40,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:40,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 23:32:40,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:32:40,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 23:32:40,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:32:42,200 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2020-10-14 23:32:42,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:32:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:32:42,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:32:42,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:32:42,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:32:42,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:32:42,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-14 23:32:42,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:32:42,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:32:42,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:32:42,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:32:42,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:32:42,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0