/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-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 06:40:10,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 06:40:10,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 06:40:10,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 06:40:10,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 06:40:10,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 06:40:10,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 06:40:10,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 06:40:10,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 06:40:10,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 06:40:10,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 06:40:10,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 06:40:10,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 06:40:10,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 06:40:10,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 06:40:10,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 06:40:10,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 06:40:10,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 06:40:10,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 06:40:10,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 06:40:10,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 06:40:10,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 06:40:10,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 06:40:10,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 06:40:10,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 06:40:10,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 06:40:10,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 06:40:10,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 06:40:10,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 06:40:10,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 06:40:10,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 06:40:10,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 06:40:10,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 06:40:10,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 06:40:10,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 06:40:10,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 06:40:10,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 06:40:10,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 06:40:10,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 06:40:10,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 06:40:10,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 06:40:10,423 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-15 06:40:10,445 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 06:40:10,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 06:40:10,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 06:40:10,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 06:40:10,447 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 06:40:10,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 06:40:10,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 06:40:10,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 06:40:10,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 06:40:10,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 06:40:10,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 06:40:10,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 06:40:10,449 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 06:40:10,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 06:40:10,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 06:40:10,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 06:40:10,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 06:40:10,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 06:40:10,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 06:40:10,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 06:40:10,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 06:40:10,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 06:40:10,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 06:40:10,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 06:40:10,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 06:40:10,452 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 06:40:10,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 06:40:10,452 INFO L138 SettingsManager]: * To the following directory=dump/ 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; [2020-10-15 06:40:10,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 06:40:10,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 06:40:10,754 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 06:40:10,756 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 06:40:10,756 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 06:40:10,757 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2020-10-15 06:40:10,815 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dd414f4cb/b9eabd4898ad4111ba0a27ca7bac82de/FLAG5aaa62b0e [2020-10-15 06:40:11,548 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 06:40:11,549 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2020-10-15 06:40:11,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dd414f4cb/b9eabd4898ad4111ba0a27ca7bac82de/FLAG5aaa62b0e [2020-10-15 06:40:11,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dd414f4cb/b9eabd4898ad4111ba0a27ca7bac82de [2020-10-15 06:40:11,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 06:40:11,666 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 06:40:11,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 06:40:11,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 06:40:11,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 06:40:11,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:40:11" (1/1) ... [2020-10-15 06:40:11,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f871ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:11, skipping insertion in model container [2020-10-15 06:40:11,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:40:11" (1/1) ... [2020-10-15 06:40:11,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 06:40:11,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 06:40:13,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 06:40:13,423 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 06:40:13,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 06:40:13,876 INFO L208 MainTranslator]: Completed translation [2020-10-15 06:40:13,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:13 WrapperNode [2020-10-15 06:40:13,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 06:40:13,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 06:40:13,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 06:40:13,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 06:40:13,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:13" (1/1) ... [2020-10-15 06:40:13,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:13" (1/1) ... [2020-10-15 06:40:13,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:13" (1/1) ... [2020-10-15 06:40:13,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:13" (1/1) ... [2020-10-15 06:40:14,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:13" (1/1) ... [2020-10-15 06:40:14,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:13" (1/1) ... [2020-10-15 06:40:14,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:13" (1/1) ... [2020-10-15 06:40:14,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 06:40:14,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 06:40:14,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 06:40:14,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 06:40:14,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:13" (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 [2020-10-15 06:40:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 06:40:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 06:40:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-15 06:40:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-15 06:40:14,244 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-15 06:40:14,244 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-15 06:40:14,244 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-15 06:40:14,244 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-15 06:40:14,244 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-15 06:40:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2020-10-15 06:40:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ia32_task [2020-10-15 06:40:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-15 06:40:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-15 06:40:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-15 06:40:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-15 06:40:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-15 06:40:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-15 06:40:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2020-10-15 06:40:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-15 06:40:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-15 06:40:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2020-10-15 06:40:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-15 06:40:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-15 06:40:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 06:40:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-15 06:40:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 06:40:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-15 06:40:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-15 06:40:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-15 06:40:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-10-15 06:40:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2020-10-15 06:40:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2020-10-15 06:40:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_events_per_packet [2020-10-15 06:40:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2020-10-15 06:40:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_min [2020-10-15 06:40:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2020-10-15 06:40:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_max [2020-10-15 06:40:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_fuzz [2020-10-15 06:40:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_flat [2020-10-15 06:40:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_flat [2020-10-15 06:40:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2020-10-15 06:40:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure is_x32_task [2020-10-15 06:40:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure is_compat_task [2020-10-15 06:40:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_size [2020-10-15 06:40:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_event [2020-10-15 06:40:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_alloc_id [2020-10-15 06:40:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_find [2020-10-15 06:40:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_reserve_slot [2020-10-15 06:40:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_done [2020-10-15 06:40:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_send [2020-10-15 06:40:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_submit [2020-10-15 06:40:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_flush_requests [2020-10-15 06:40:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_set_gain [2020-10-15 06:40:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_set_autocenter [2020-10-15 06:40:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_playback [2020-10-15 06:40:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_upload_effect [2020-10-15 06:40:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_erase_effect [2020-10-15 06:40:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_destroy_device [2020-10-15 06:40:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_create_device [2020-10-15 06:40:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_open [2020-10-15 06:40:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_validate_absbits [2020-10-15 06:40:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_allocate_device [2020-10-15 06:40:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_setup_device [2020-10-15 06:40:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_inject_event [2020-10-15 06:40:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_write [2020-10-15 06:40:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_fetch_next_event [2020-10-15 06:40:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_events_to_user [2020-10-15 06:40:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_read [2020-10-15 06:40:14,257 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_poll [2020-10-15 06:40:14,257 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_release [2020-10-15 06:40:14,257 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_to_user [2020-10-15 06:40:14,257 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_from_user [2020-10-15 06:40:14,257 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl_handler [2020-10-15 06:40:14,257 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl [2020-10-15 06:40:14,258 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_compat_ioctl [2020-10-15 06:40:14,258 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_init [2020-10-15 06:40:14,258 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_exit [2020-10-15 06:40:14,258 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 06:40:14,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-15 06:40:14,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-15 06:40:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-15 06:40:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-15 06:40:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-15 06:40:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2020-10-15 06:40:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-15 06:40:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_8 [2020-10-15 06:40:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-15 06:40:14,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2020-10-15 06:40:14,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-15 06:40:14,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2020-10-15 06:40:14,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2020-10-15 06:40:14,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-15 06:40:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-15 06:40:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-15 06:40:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-15 06:40:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-15 06:40:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-15 06:40:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-15 06:40:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-15 06:40:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-15 06:40:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-15 06:40:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-15 06:40:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-15 06:40:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-15 06:40:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-15 06:40:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-15 06:40:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-15 06:40:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2020-10-15 06:40:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_uinput_device [2020-10-15 06:40:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_uinput_device [2020-10-15 06:40:14,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_uinput_device [2020-10-15 06:40:14,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_uinput_device [2020-10-15 06:40:14,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_uinput_device [2020-10-15 06:40:14,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_uinput_device [2020-10-15 06:40:14,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 06:40:14,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 06:40:14,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-15 06:40:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-15 06:40:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-15 06:40:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-15 06:40:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-15 06:40:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-15 06:40:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-15 06:40:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-15 06:40:14,266 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-15 06:40:14,266 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-15 06:40:14,266 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2020-10-15 06:40:14,266 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-15 06:40:14,266 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-15 06:40:14,266 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2020-10-15 06:40:14,266 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-15 06:40:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure input_alloc_absinfo [2020-10-15 06:40:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-10-15 06:40:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_from_user [2020-10-15 06:40:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_to_user [2020-10-15 06:40:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_create [2020-10-15 06:40:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_destroy [2020-10-15 06:40:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-10-15 06:40:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure input_mt_init_slots [2020-10-15 06:40:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-10-15 06:40:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-10-15 06:40:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrndup [2020-10-15 06:40:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-15 06:40:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-15 06:40:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2020-10-15 06:40:14,269 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-15 06:40:14,269 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2020-10-15 06:40:14,269 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2020-10-15 06:40:14,269 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-15 06:40:14,269 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2020-10-15 06:40:14,269 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-15 06:40:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-15 06:40:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure nonseekable_open [2020-10-15 06:40:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-15 06:40:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-15 06:40:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-15 06:40:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure strndup_user [2020-10-15 06:40:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2020-10-15 06:40:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-15 06:40:14,271 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 06:40:14,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-15 06:40:14,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-15 06:40:14,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 06:40:14,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-15 06:40:14,271 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-15 06:40:14,272 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-15 06:40:14,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 06:40:14,272 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-15 06:40:14,272 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-15 06:40:14,272 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-15 06:40:14,272 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-15 06:40:14,273 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-15 06:40:14,273 INFO L130 BoogieDeclarations]: Found specification of procedure strndup_user [2020-10-15 06:40:14,273 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2020-10-15 06:40:14,273 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-15 06:40:14,273 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-15 06:40:14,273 INFO L130 BoogieDeclarations]: Found specification of procedure kstrndup [2020-10-15 06:40:14,273 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-15 06:40:14,274 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-15 06:40:14,274 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-15 06:40:14,274 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-15 06:40:14,274 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-15 06:40:14,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-15 06:40:14,275 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-15 06:40:14,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-15 06:40:14,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-15 06:40:14,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-15 06:40:14,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-15 06:40:14,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-15 06:40:14,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2020-10-15 06:40:14,276 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2020-10-15 06:40:14,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2020-10-15 06:40:14,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_8 [2020-10-15 06:40:14,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2020-10-15 06:40:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2020-10-15 06:40:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-15 06:40:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-15 06:40:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-15 06:40:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-15 06:40:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-15 06:40:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-15 06:40:14,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-15 06:40:14,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-15 06:40:14,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2020-10-15 06:40:14,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_uinput_device [2020-10-15 06:40:14,278 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2020-10-15 06:40:14,278 INFO L130 BoogieDeclarations]: Found specification of procedure is_ia32_task [2020-10-15 06:40:14,278 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-15 06:40:14,279 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-15 06:40:14,279 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-15 06:40:14,279 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-15 06:40:14,279 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-15 06:40:14,279 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-15 06:40:14,279 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-15 06:40:14,279 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-15 06:40:14,280 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-15 06:40:14,280 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-15 06:40:14,280 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-15 06:40:14,280 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2020-10-15 06:40:14,280 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-15 06:40:14,280 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-15 06:40:14,280 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-15 06:40:14,281 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-15 06:40:14,281 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-15 06:40:14,281 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2020-10-15 06:40:14,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 06:40:14,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 06:40:14,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 06:40:14,281 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2020-10-15 06:40:14,281 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2020-10-15 06:40:14,282 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2020-10-15 06:40:14,282 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2020-10-15 06:40:14,282 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-15 06:40:14,282 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-15 06:40:14,282 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-15 06:40:14,282 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-15 06:40:14,282 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2020-10-15 06:40:14,282 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-15 06:40:14,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 06:40:14,283 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-15 06:40:14,283 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-15 06:40:14,283 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-15 06:40:14,283 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 06:40:14,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 06:40:14,283 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 06:40:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 06:40:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 06:40:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-15 06:40:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 06:40:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 06:40:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-15 06:40:14,285 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-15 06:40:14,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-15 06:40:14,285 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-15 06:40:14,285 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2020-10-15 06:40:14,285 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2020-10-15 06:40:14,285 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-15 06:40:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-15 06:40:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-10-15 06:40:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-10-15 06:40:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2020-10-15 06:40:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2020-10-15 06:40:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-10-15 06:40:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-10-15 06:40:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-10-15 06:40:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_events_per_packet [2020-10-15 06:40:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure input_alloc_absinfo [2020-10-15 06:40:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2020-10-15 06:40:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_min [2020-10-15 06:40:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2020-10-15 06:40:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_max [2020-10-15 06:40:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_fuzz [2020-10-15 06:40:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_flat [2020-10-15 06:40:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_flat [2020-10-15 06:40:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_create [2020-10-15 06:40:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_destroy [2020-10-15 06:40:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure input_mt_init_slots [2020-10-15 06:40:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2020-10-15 06:40:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure is_x32_task [2020-10-15 06:40:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure is_compat_task [2020-10-15 06:40:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_size [2020-10-15 06:40:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_from_user [2020-10-15 06:40:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_to_user [2020-10-15 06:40:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_event [2020-10-15 06:40:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_alloc_id [2020-10-15 06:40:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 06:40:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_find [2020-10-15 06:40:14,290 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_reserve_slot [2020-10-15 06:40:14,290 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_done [2020-10-15 06:40:14,290 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_send [2020-10-15 06:40:14,290 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_submit [2020-10-15 06:40:14,290 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_flush_requests [2020-10-15 06:40:14,290 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_set_gain [2020-10-15 06:40:14,290 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_set_autocenter [2020-10-15 06:40:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_playback [2020-10-15 06:40:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_upload_effect [2020-10-15 06:40:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_erase_effect [2020-10-15 06:40:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_destroy_device [2020-10-15 06:40:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_create_device [2020-10-15 06:40:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_open [2020-10-15 06:40:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_validate_absbits [2020-10-15 06:40:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_allocate_device [2020-10-15 06:40:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_setup_device [2020-10-15 06:40:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_inject_event [2020-10-15 06:40:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_write [2020-10-15 06:40:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_fetch_next_event [2020-10-15 06:40:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_events_to_user [2020-10-15 06:40:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_read [2020-10-15 06:40:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_poll [2020-10-15 06:40:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_release [2020-10-15 06:40:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_to_user [2020-10-15 06:40:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-15 06:40:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_from_user [2020-10-15 06:40:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl_handler [2020-10-15 06:40:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-15 06:40:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl [2020-10-15 06:40:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_compat_ioctl [2020-10-15 06:40:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_init [2020-10-15 06:40:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_exit [2020-10-15 06:40:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 06:40:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-15 06:40:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 06:40:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-15 06:40:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 06:40:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-15 06:40:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-15 06:40:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-15 06:40:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-15 06:40:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-15 06:40:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-15 06:40:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-15 06:40:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-15 06:40:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-15 06:40:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-15 06:40:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_uinput_device [2020-10-15 06:40:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_uinput_device [2020-10-15 06:40:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_uinput_device [2020-10-15 06:40:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_uinput_device [2020-10-15 06:40:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_uinput_device [2020-10-15 06:40:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 06:40:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 06:40:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 06:40:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 06:40:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 06:40:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 06:40:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-15 06:40:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-15 06:40:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-15 06:40:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-15 06:40:24,039 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 06:40:24,039 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-15 06:40:24,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:40:24 BoogieIcfgContainer [2020-10-15 06:40:24,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 06:40:24,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 06:40:24,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 06:40:24,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 06:40:24,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:40:11" (1/3) ... [2020-10-15 06:40:24,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23841cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:40:24, skipping insertion in model container [2020-10-15 06:40:24,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:13" (2/3) ... [2020-10-15 06:40:24,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23841cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:40:24, skipping insertion in model container [2020-10-15 06:40:24,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:40:24" (3/3) ... [2020-10-15 06:40:24,067 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2020-10-15 06:40:24,080 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 06:40:24,095 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 06:40:24,111 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 06:40:24,147 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 06:40:24,147 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 06:40:24,148 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 06:40:24,148 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 06:40:24,148 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 06:40:24,148 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 06:40:24,148 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 06:40:24,148 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 06:40:24,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states. [2020-10-15 06:40:24,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 06:40:24,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:40:24,204 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:40:24,204 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:40:24,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:40:24,210 INFO L82 PathProgramCache]: Analyzing trace with hash 2118481841, now seen corresponding path program 1 times [2020-10-15 06:40:24,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:40:24,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1367949955] [2020-10-15 06:40:24,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:40:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:40:24,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:40:24,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:40:24,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 06:40:24,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:40:24,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 515 [2020-10-15 06:40:24,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:40:24,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:40:24,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:40:24,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 06:40:24,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-15 06:40:24,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 06:40:25,192 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 06:40:25,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:40:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:40:25,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:40:25,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:40:25,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:40:25,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:40:25,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-15 06:40:25,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:40:25,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:40:25,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:40:25,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:40:25,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:40:25,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:40:25,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:40:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:40:25,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:40:25,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:40:25,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:40:25,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:40:25,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 06:40:25,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:40:25,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:40:25,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:40:25,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:40:25,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:40:25,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:40:25,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 06:40:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:40:25,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:40:25,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:40:25,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:40:25,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:40:25,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:40:25,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:40:25,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:40:25,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:40:25,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:40:25,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:40:25,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:40:25,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 06:40:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:40:25,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:40:25,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:40:25,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:40:25,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:40:25,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 06:40:25,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:40:25,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:40:25,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:40:25,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:40:25,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 06:40:25,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:40:25,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:40:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:40:25,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:40:25,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:40:25,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:40:25,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:40:25,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:40:25,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:40:25,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:40:25,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:40:25,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:40:25,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:40:25,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:40:25,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:40:25,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1367949955] [2020-10-15 06:40:25,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:40:25,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 06:40:25,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409794944] [2020-10-15 06:40:25,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 06:40:25,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:40:25,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 06:40:25,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 06:40:25,407 INFO L87 Difference]: Start difference. First operand 1134 states. Second operand 5 states. [2020-10-15 06:40:25,656 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 06:40:35,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:40:35,632 INFO L93 Difference]: Finished difference Result 2062 states and 2771 transitions. [2020-10-15 06:40:35,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 06:40:35,636 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-10-15 06:40:35,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:40:35,667 INFO L225 Difference]: With dead ends: 2062 [2020-10-15 06:40:35,667 INFO L226 Difference]: Without dead ends: 1143 [2020-10-15 06:40:35,682 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:40:35,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2020-10-15 06:40:35,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 924. [2020-10-15 06:40:35,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2020-10-15 06:40:35,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1184 transitions. [2020-10-15 06:40:35,892 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1184 transitions. Word has length 28 [2020-10-15 06:40:35,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:40:35,892 INFO L479 AbstractCegarLoop]: Abstraction has 924 states and 1184 transitions. [2020-10-15 06:40:35,892 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 06:40:35,893 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1184 transitions. [2020-10-15 06:40:35,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-15 06:40:35,894 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:40:35,895 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:40:35,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 06:40:35,895 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:40:35,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:40:35,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1247861199, now seen corresponding path program 1 times [2020-10-15 06:40:35,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:40:35,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [163536800] [2020-10-15 06:40:35,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:40:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:40:35,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:40:36,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:40:36,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-15 06:40:36,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:40:36,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-15 06:40:36,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:40:36,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:40:36,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:40:36,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 06:40:36,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 06:40:36,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:40:36,267 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 06:40:36,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:40:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:40:36,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:40:36,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:40:36,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:40:36,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:40:36,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-15 06:40:36,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:40:36,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:40:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:40:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:40:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:40:36,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:40:36,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:40:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:40:36,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:40:36,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:40:36,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:40:36,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:40:36,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:40:36,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:40:36,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:40:36,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:40:36,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:40:36,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:40:36,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:40:36,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 06:40:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:40:36,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:40:36,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:40:36,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:40:36,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:40:36,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:40:36,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:40:36,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:40:36,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:40:36,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:40:36,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:40:36,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:40:36,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 06:40:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:40:36,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:40:36,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:40:36,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:40:36,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:40:36,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 06:40:36,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:40:36,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:40:36,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:40:36,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:40:36,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 06:40:36,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:40:36,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:40:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:40:36,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:40:36,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:40:36,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:40:36,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:40:36,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:40:36,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:40:36,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:40:36,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:40:36,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:40:36,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:40:36,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:40:36,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:40:36,410 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [163536800] [2020-10-15 06:40:36,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:40:36,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 06:40:36,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743146801] [2020-10-15 06:40:36,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 06:40:36,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:40:36,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 06:40:36,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 06:40:36,413 INFO L87 Difference]: Start difference. First operand 924 states and 1184 transitions. Second operand 5 states. [2020-10-15 06:40:36,627 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 06:40:48,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:40:48,164 INFO L93 Difference]: Finished difference Result 1145 states and 1532 transitions. [2020-10-15 06:40:48,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 06:40:48,165 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-10-15 06:40:48,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:40:48,179 INFO L225 Difference]: With dead ends: 1145 [2020-10-15 06:40:48,180 INFO L226 Difference]: Without dead ends: 1142 [2020-10-15 06:40:48,181 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:40:48,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2020-10-15 06:40:48,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 923. [2020-10-15 06:40:48,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 923 states. [2020-10-15 06:40:48,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1182 transitions. [2020-10-15 06:40:48,292 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1182 transitions. Word has length 29 [2020-10-15 06:40:48,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:40:48,292 INFO L479 AbstractCegarLoop]: Abstraction has 923 states and 1182 transitions. [2020-10-15 06:40:48,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 06:40:48,293 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1182 transitions. [2020-10-15 06:40:48,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-15 06:40:48,294 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:40:48,294 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:40:48,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 06:40:48,294 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:40:48,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:40:48,295 INFO L82 PathProgramCache]: Analyzing trace with hash 28429940, now seen corresponding path program 1 times [2020-10-15 06:40:48,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:40:48,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1407890637] [2020-10-15 06:40:48,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:40:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:40:48,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:40:48,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:40:48,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-15 06:40:48,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:40:48,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-15 06:40:48,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:40:48,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:40:48,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:40:48,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 06:40:48,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-15 06:40:48,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:40:48,642 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 06:40:48,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:40:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:40:48,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:40:48,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:40:48,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:40:48,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:40:48,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-15 06:40:48,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:40:48,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:40:48,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:40:48,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:40:48,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:40:48,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:40:48,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:40:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:40:48,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:40:48,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:40:48,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:40:48,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:40:48,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:40:48,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:40:48,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:40:48,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:40:48,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:40:48,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:40:48,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:40:48,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 06:40:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:40:48,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:40:48,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:40:48,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:40:48,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:40:48,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:40:48,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:40:48,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:40:48,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:40:48,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:40:48,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:40:48,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:40:48,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 06:40:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:40:48,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:40:48,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:40:48,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:40:48,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:40:48,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 06:40:48,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:40:48,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:40:48,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:40:48,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:40:48,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 06:40:48,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:40:48,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:40:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:40:48,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:40:48,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:40:48,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:40:48,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:40:48,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:40:48,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:40:48,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:40:48,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:40:48,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:40:48,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:40:48,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:40:48,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:40:48,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1407890637] [2020-10-15 06:40:48,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:40:48,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 06:40:48,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618106927] [2020-10-15 06:40:48,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 06:40:48,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:40:48,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 06:40:48,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 06:40:48,819 INFO L87 Difference]: Start difference. First operand 923 states and 1182 transitions. Second operand 5 states. [2020-10-15 06:40:49,122 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 06:41:02,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:41:02,849 INFO L93 Difference]: Finished difference Result 2787 states and 3638 transitions. [2020-10-15 06:41:02,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 06:41:02,852 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-15 06:41:02,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:41:02,867 INFO L225 Difference]: With dead ends: 2787 [2020-10-15 06:41:02,867 INFO L226 Difference]: Without dead ends: 1873 [2020-10-15 06:41:02,871 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:41:02,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1873 states. [2020-10-15 06:41:03,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1873 to 1754. [2020-10-15 06:41:03,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1754 states. [2020-10-15 06:41:03,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1754 states and 2275 transitions. [2020-10-15 06:41:03,043 INFO L78 Accepts]: Start accepts. Automaton has 1754 states and 2275 transitions. Word has length 30 [2020-10-15 06:41:03,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:41:03,044 INFO L479 AbstractCegarLoop]: Abstraction has 1754 states and 2275 transitions. [2020-10-15 06:41:03,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 06:41:03,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 2275 transitions. [2020-10-15 06:41:03,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-15 06:41:03,053 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:41:03,053 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:41:03,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 06:41:03,054 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:41:03,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:41:03,056 INFO L82 PathProgramCache]: Analyzing trace with hash 80673665, now seen corresponding path program 1 times [2020-10-15 06:41:03,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:41:03,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1720819839] [2020-10-15 06:41:03,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:41:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:03,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:03,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:04,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:04,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-15 06:41:04,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:41:04,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1120 [2020-10-15 06:41:04,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:04,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:04,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:41:04,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 06:41:04,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-15 06:41:04,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 06:41:04,395 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 06:41:04,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:41:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:04,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:04,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:04,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:41:04,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:04,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 06:41:04,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:04,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:04,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:04,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:04,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:04,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:04,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:41:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:04,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:04,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:04,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:41:04,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:04,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 06:41:04,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:04,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:04,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:41:04,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:04,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:41:04,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:04,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 06:41:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:04,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:04,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:04,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:41:04,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:04,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:41:04,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:04,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:04,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:41:04,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:04,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:41:04,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:04,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 06:41:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:04,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:04,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:04,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:41:04,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:04,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 06:41:04,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:04,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:04,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:41:04,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:04,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 06:41:04,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:41:04,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:41:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:04,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:04,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:04,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:41:04,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:04,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:41:04,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:04,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:04,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:04,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:04,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:04,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:04,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 06:41:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:04,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:04,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:04,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:41:04,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:04,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:41:04,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:04,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:04,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:04,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 06:41:04,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:04,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 06:41:04,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 06:41:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:04,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:04,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:04,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 06:41:04,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:04,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 06:41:04,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:04,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:04,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:04,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-15 06:41:04,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:04,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:04,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:41:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:04,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:04,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:04,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:41:04,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:04,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:41:04,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:04,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:04,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:04,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:04,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:04,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:04,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:41:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:04,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:04,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:04,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 06:41:04,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:04,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 06:41:04,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:04,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:04,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:04,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:04,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:04,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:04,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 06:41:04,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1720819839] [2020-10-15 06:41:04,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:41:04,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 06:41:04,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058678201] [2020-10-15 06:41:04,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 06:41:04,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:41:04,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 06:41:04,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 06:41:04,717 INFO L87 Difference]: Start difference. First operand 1754 states and 2275 transitions. Second operand 6 states. [2020-10-15 06:41:28,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:41:28,446 INFO L93 Difference]: Finished difference Result 3657 states and 4790 transitions. [2020-10-15 06:41:28,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 06:41:28,447 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-10-15 06:41:28,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:41:28,463 INFO L225 Difference]: With dead ends: 3657 [2020-10-15 06:41:28,463 INFO L226 Difference]: Without dead ends: 1925 [2020-10-15 06:41:28,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:41:28,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2020-10-15 06:41:28,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1810. [2020-10-15 06:41:28,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1810 states. [2020-10-15 06:41:28,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 1810 states and 2370 transitions. [2020-10-15 06:41:28,762 INFO L78 Accepts]: Start accepts. Automaton has 1810 states and 2370 transitions. Word has length 63 [2020-10-15 06:41:28,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:41:28,764 INFO L479 AbstractCegarLoop]: Abstraction has 1810 states and 2370 transitions. [2020-10-15 06:41:28,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 06:41:28,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2370 transitions. [2020-10-15 06:41:28,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-15 06:41:28,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:41:28,772 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:41:28,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 06:41:28,773 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:41:28,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:41:28,774 INFO L82 PathProgramCache]: Analyzing trace with hash 725663501, now seen corresponding path program 1 times [2020-10-15 06:41:28,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:41:28,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [494112237] [2020-10-15 06:41:28,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:41:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:28,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:30,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:30,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-15 06:41:30,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:30,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1155 [2020-10-15 06:41:30,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:30,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:30,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 06:41:30,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-15 06:41:30,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 06:41:30,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:30,341 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 06:41:30,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:41:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:30,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:30,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:30,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:41:30,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:30,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-15 06:41:30,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:30,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:30,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:30,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:30,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:30,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:30,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:41:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:30,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:30,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:30,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:41:30,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:30,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:41:30,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:30,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:30,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:30,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:30,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:30,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:30,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 06:41:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:30,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:30,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:30,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:41:30,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:30,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:41:30,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:30,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:30,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:30,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:30,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:30,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:30,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 06:41:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:30,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:30,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:30,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:41:30,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:30,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 06:41:30,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:30,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:30,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:30,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:30,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:30,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:30,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:41:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:30,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:30,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:30,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:41:30,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:30,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:41:30,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:30,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:30,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:30,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:30,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:30,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:30,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 06:41:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:30,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:30,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:30,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:41:30,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:30,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:41:30,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:30,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:30,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:30,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:30,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:30,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:30,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 06:41:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:30,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:30,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:30,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:41:30,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:30,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:41:30,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:30,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:30,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:30,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:30,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:30,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:30,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 06:41:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:30,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:30,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:30,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 06:41:30,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:30,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-15 06:41:30,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:30,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:30,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:41:30,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:30,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 06:41:30,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:30,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:41:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:30,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:30,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:30,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:41:30,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:30,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 06:41:30,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:30,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:30,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:30,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:30,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:30,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:30,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:41:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:30,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:30,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:30,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 06:41:30,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:30,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 06:41:30,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:30,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:30,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:41:30,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:30,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:41:30,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:30,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 06:41:30,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [494112237] [2020-10-15 06:41:30,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:41:30,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 06:41:30,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50878030] [2020-10-15 06:41:30,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 06:41:30,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:41:30,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 06:41:30,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 06:41:30,737 INFO L87 Difference]: Start difference. First operand 1810 states and 2370 transitions. Second operand 6 states. [2020-10-15 06:41:31,813 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-15 06:41:57,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:41:57,114 INFO L93 Difference]: Finished difference Result 3709 states and 4874 transitions. [2020-10-15 06:41:57,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 06:41:57,115 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2020-10-15 06:41:57,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:41:57,127 INFO L225 Difference]: With dead ends: 3709 [2020-10-15 06:41:57,127 INFO L226 Difference]: Without dead ends: 1921 [2020-10-15 06:41:57,134 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-15 06:41:57,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2020-10-15 06:41:57,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1792. [2020-10-15 06:41:57,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1792 states. [2020-10-15 06:41:57,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1792 states and 2313 transitions. [2020-10-15 06:41:57,300 INFO L78 Accepts]: Start accepts. Automaton has 1792 states and 2313 transitions. Word has length 79 [2020-10-15 06:41:57,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:41:57,304 INFO L479 AbstractCegarLoop]: Abstraction has 1792 states and 2313 transitions. [2020-10-15 06:41:57,304 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 06:41:57,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2313 transitions. [2020-10-15 06:41:57,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-15 06:41:57,315 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:41:57,316 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:41:57,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 06:41:57,316 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:41:57,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:41:57,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1312392788, now seen corresponding path program 1 times [2020-10-15 06:41:57,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:41:57,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [257759633] [2020-10-15 06:41:57,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:41:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:57,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:57,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:57,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-15 06:41:57,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:57,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 597 [2020-10-15 06:41:57,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:57,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:57,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 06:41:57,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-15 06:41:57,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 06:41:57,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:41:58,184 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 06:41:58,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:41:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:58,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:58,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:58,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:41:58,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:58,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 06:41:58,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:58,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:58,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:58,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:58,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:58,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:58,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:41:58,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:58,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:58,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:58,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:41:58,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:58,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:41:58,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:58,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:58,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:58,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:58,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:58,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:41:58,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 06:41:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:58,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:58,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:58,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:41:58,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:58,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:41:58,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:58,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:58,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:58,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:58,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:58,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:41:58,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 06:41:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:58,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:58,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:58,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:41:58,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:58,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:41:58,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:58,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:58,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:58,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:58,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:58,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:41:58,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:41:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:58,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:58,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:58,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:41:58,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:58,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:41:58,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:58,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:58,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:58,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:58,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:58,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:41:58,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 06:41:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:58,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:58,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:58,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:41:58,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:58,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:41:58,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:58,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:58,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:58,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:58,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:58,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:58,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 06:41:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:58,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:58,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:58,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:41:58,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:58,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:41:58,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:58,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:58,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:58,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:58,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:58,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:41:58,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 06:41:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:58,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:58,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:58,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 06:41:58,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:58,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-15 06:41:58,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:58,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 06:41:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:58,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 06:41:58,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:41:58,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:41:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:58,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:58,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:58,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:41:58,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:58,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 06:41:58,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:58,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:58,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:58,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:58,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:58,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:41:58,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:41:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:58,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:58,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:58,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 06:41:58,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:58,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 06:41:58,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:58,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:58,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 06:41:58,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:58,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 06:41:58,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:58,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 06:41:58,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [257759633] [2020-10-15 06:41:58,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:41:58,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 06:41:58,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17948000] [2020-10-15 06:41:58,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 06:41:58,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:41:58,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 06:41:58,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-15 06:41:58,534 INFO L87 Difference]: Start difference. First operand 1792 states and 2313 transitions. Second operand 10 states. [2020-10-15 06:41:59,512 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-15 06:41:59,692 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-15 06:41:59,850 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-15 06:42:15,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:42:15,882 INFO L93 Difference]: Finished difference Result 2078 states and 2660 transitions. [2020-10-15 06:42:15,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 06:42:15,883 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2020-10-15 06:42:15,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:42:15,892 INFO L225 Difference]: With dead ends: 2078 [2020-10-15 06:42:15,892 INFO L226 Difference]: Without dead ends: 1655 [2020-10-15 06:42:15,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-10-15 06:42:15,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1655 states. [2020-10-15 06:42:16,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1655 to 1533. [2020-10-15 06:42:16,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1533 states. [2020-10-15 06:42:16,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1932 transitions. [2020-10-15 06:42:16,048 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1932 transitions. Word has length 79 [2020-10-15 06:42:16,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:42:16,049 INFO L479 AbstractCegarLoop]: Abstraction has 1533 states and 1932 transitions. [2020-10-15 06:42:16,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 06:42:16,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1932 transitions. [2020-10-15 06:42:16,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-15 06:42:16,052 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:42:16,052 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:42:16,052 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 06:42:16,052 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:42:16,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:42:16,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1872828605, now seen corresponding path program 1 times [2020-10-15 06:42:16,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:42:16,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [192454116] [2020-10-15 06:42:16,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:42:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:16,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:16,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:16,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-15 06:42:16,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:16,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 709 [2020-10-15 06:42:16,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:16,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:16,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 06:42:16,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-15 06:42:16,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 06:42:16,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:16,990 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 06:42:16,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:42:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:17,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:17,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:17,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:17,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:17,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 06:42:17,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:17,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:17,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:17,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:17,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:17,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:17,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:42:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:17,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:17,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:17,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:17,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:17,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:42:17,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:17,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:17,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:17,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:17,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:17,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:17,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 06:42:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:17,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:17,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:17,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:42:17,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:17,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:42:17,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:17,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:17,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:17,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:17,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:17,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:17,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 06:42:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:17,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:17,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:17,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:42:17,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:17,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:42:17,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:17,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:17,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:17,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:17,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:17,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:17,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:42:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:17,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:17,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:17,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:17,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:17,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:42:17,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:17,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:17,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:17,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:17,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:17,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:17,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 06:42:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:17,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:17,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:17,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:42:17,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:17,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:42:17,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:17,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:17,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:17,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:17,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:17,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:17,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 06:42:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:17,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:17,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:17,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-15 06:42:17,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:17,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-15 06:42:17,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:17,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:17,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 06:42:17,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-15 06:42:17,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 06:42:17,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:17,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:42:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:17,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:17,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:17,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:17,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:17,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:42:17,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:17,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:17,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:17,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:17,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:17,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 06:42:17,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:42:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:17,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:17,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:17,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 06:42:17,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:17,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-15 06:42:17,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:17,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:17,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 06:42:17,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-15 06:42:17,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 06:42:17,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:17,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:42:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:17,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:17,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:17,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 06:42:17,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:17,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-15 06:42:17,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:17,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:17,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 06:42:17,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:17,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 06:42:17,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:17,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:42:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:17,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:17,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:17,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:17,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:17,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:42:17,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:17,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:17,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:17,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:17,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:17,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:17,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:42:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:17,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:17,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:17,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 06:42:17,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:17,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 06:42:17,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:17,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:17,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 06:42:17,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:17,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 06:42:17,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:17,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 06:42:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:17,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:17,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:17,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:42:17,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:17,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:42:17,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:17,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:17,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:17,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 06:42:17,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:17,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:17,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 06:42:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:17,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:17,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:17,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 06:42:17,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:17,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 06:42:17,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:17,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:17,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:17,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 06:42:17,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:17,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:17,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:42:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:17,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:17,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:17,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:17,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:17,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:42:17,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:17,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:17,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:17,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:17,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:17,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:17,744 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-15 06:42:17,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [192454116] [2020-10-15 06:42:17,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:42:17,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 06:42:17,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862129853] [2020-10-15 06:42:17,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 06:42:17,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:42:17,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 06:42:17,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-15 06:42:17,747 INFO L87 Difference]: Start difference. First operand 1533 states and 1932 transitions. Second operand 11 states. [2020-10-15 06:42:17,898 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 06:42:36,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:42:36,374 INFO L93 Difference]: Finished difference Result 2045 states and 2591 transitions. [2020-10-15 06:42:36,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 06:42:36,375 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 90 [2020-10-15 06:42:36,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:42:36,383 INFO L225 Difference]: With dead ends: 2045 [2020-10-15 06:42:36,384 INFO L226 Difference]: Without dead ends: 1720 [2020-10-15 06:42:36,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-15 06:42:36,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2020-10-15 06:42:36,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1521. [2020-10-15 06:42:36,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1521 states. [2020-10-15 06:42:36,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 1916 transitions. [2020-10-15 06:42:36,533 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 1916 transitions. Word has length 90 [2020-10-15 06:42:36,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:42:36,533 INFO L479 AbstractCegarLoop]: Abstraction has 1521 states and 1916 transitions. [2020-10-15 06:42:36,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 06:42:36,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1916 transitions. [2020-10-15 06:42:36,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-15 06:42:36,542 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:42:36,542 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:42:36,543 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 06:42:36,543 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:42:36,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:42:36,543 INFO L82 PathProgramCache]: Analyzing trace with hash -2011216707, now seen corresponding path program 1 times [2020-10-15 06:42:36,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:42:36,544 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1746748807] [2020-10-15 06:42:36,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:42:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:36,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:36,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:39,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:39,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-15 06:42:39,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:42:39,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2593 [2020-10-15 06:42:39,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:39,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:39,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 06:42:39,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-15 06:42:39,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 06:42:39,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:39,346 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 06:42:39,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:42:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:39,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:39,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:39,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:39,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:39,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 06:42:39,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:39,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:39,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:39,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:39,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:39,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:39,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:42:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:39,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:39,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:39,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:39,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:39,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:42:39,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:39,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:39,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:39,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:39,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:39,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:39,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 06:42:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:39,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:39,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:39,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:42:39,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:39,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:42:39,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:39,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:39,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:39,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:39,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:39,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:39,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 06:42:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:39,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:39,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:39,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:42:39,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:39,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:42:39,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:39,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:39,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:39,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:39,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:39,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:39,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:42:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:39,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:39,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:39,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:39,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:39,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:42:39,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:39,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:39,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:39,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:39,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:39,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:39,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 06:42:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:39,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:39,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:39,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:42:39,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:39,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:42:39,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:39,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:39,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:39,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:39,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:39,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:39,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 06:42:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:39,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:39,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:39,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-15 06:42:39,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:39,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-15 06:42:39,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:39,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:39,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 06:42:39,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:39,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 06:42:39,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:39,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:42:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:39,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:39,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:39,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 06:42:39,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:39,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 06:42:39,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:39,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:39,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:39,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:39,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:39,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:39,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:42:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:39,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:39,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:39,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 06:42:39,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:39,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 06:42:39,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:39,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:39,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:39,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:39,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:39,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:39,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:42:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:39,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:39,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:39,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:42:39,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:39,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 06:42:39,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:39,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:39,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:39,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:39,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:39,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:39,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:42:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:39,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:39,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:39,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:42:39,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:39,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:42:39,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:39,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:39,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:39,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:39,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:39,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:39,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-15 06:42:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:39,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:39,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:39,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:39,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:39,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:42:39,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:39,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:39,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:42:39,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:39,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:42:39,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:39,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-15 06:42:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:39,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:39,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:39,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:42:39,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:39,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:42:39,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:39,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 06:42:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:39,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:39,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 06:42:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:39,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:39,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:39,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 06:42:39,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:39,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 06:42:39,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:39,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:39,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:39,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-15 06:42:39,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:39,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:39,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:42:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:39,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:39,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:39,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:39,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:39,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:42:39,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:39,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:39,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:39,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:39,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:39,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:39,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:42:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:39,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:39,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:39,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 06:42:39,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:39,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:42:39,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:39,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:39,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:39,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:39,790 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-15 06:42:39,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1746748807] [2020-10-15 06:42:39,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:42:39,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 06:42:39,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416675253] [2020-10-15 06:42:39,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 06:42:39,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:42:39,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 06:42:39,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-15 06:42:39,797 INFO L87 Difference]: Start difference. First operand 1521 states and 1916 transitions. Second operand 10 states. [2020-10-15 06:42:39,933 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 06:42:51,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:42:51,831 INFO L93 Difference]: Finished difference Result 3262 states and 4155 transitions. [2020-10-15 06:42:51,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 06:42:51,832 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 103 [2020-10-15 06:42:51,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:42:51,841 INFO L225 Difference]: With dead ends: 3262 [2020-10-15 06:42:51,841 INFO L226 Difference]: Without dead ends: 1758 [2020-10-15 06:42:51,845 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-15 06:42:51,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1758 states. [2020-10-15 06:42:51,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1758 to 1526. [2020-10-15 06:42:51,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-10-15 06:42:51,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1921 transitions. [2020-10-15 06:42:51,999 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1921 transitions. Word has length 103 [2020-10-15 06:42:51,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:42:52,000 INFO L479 AbstractCegarLoop]: Abstraction has 1526 states and 1921 transitions. [2020-10-15 06:42:52,000 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 06:42:52,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1921 transitions. [2020-10-15 06:42:52,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-15 06:42:52,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:42:52,005 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:42:52,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 06:42:52,005 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:42:52,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:42:52,005 INFO L82 PathProgramCache]: Analyzing trace with hash 437099455, now seen corresponding path program 1 times [2020-10-15 06:42:52,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:42:52,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1328104902] [2020-10-15 06:42:52,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:42:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:52,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:52,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:56,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:56,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-15 06:42:56,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:42:56,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4702 [2020-10-15 06:42:56,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:56,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:56,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 06:42:56,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-15 06:42:56,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 06:42:56,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:56,934 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 06:42:56,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:42:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:56,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:56,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:56,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:56,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:56,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 06:42:56,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:56,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:56,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:56,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:56,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:56,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:56,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:42:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:56,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:56,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:56,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:56,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:56,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:42:56,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:56,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:56,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:56,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:56,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:56,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:57,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 06:42:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:57,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:57,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:57,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:42:57,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:57,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:42:57,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:57,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:57,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:57,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:57,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:57,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:57,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 06:42:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:57,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:57,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:57,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:42:57,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:57,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:42:57,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:57,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:57,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:57,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:57,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:57,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:57,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:42:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:57,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:57,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:57,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:57,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:57,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:42:57,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:57,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:57,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:57,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:57,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:57,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:57,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 06:42:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:57,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:57,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:57,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:42:57,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:57,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:42:57,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:57,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:57,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:57,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:57,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:57,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:57,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 06:42:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:57,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:57,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:57,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-15 06:42:57,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:57,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-10-15 06:42:57,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:57,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:57,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 06:42:57,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 06:42:57,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 06:42:57,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:57,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:42:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:57,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:57,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:57,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 06:42:57,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:57,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-15 06:42:57,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:57,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:57,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 06:42:57,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:57,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 06:42:57,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:57,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:42:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:57,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:57,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:57,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 06:42:57,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:57,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-15 06:42:57,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:57,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:57,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 06:42:57,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:57,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 06:42:57,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:57,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:42:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:57,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:57,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:57,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:42:57,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:57,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 06:42:57,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:57,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:57,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 06:42:57,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:57,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 06:42:57,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:57,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:42:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:57,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:57,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:57,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:42:57,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:57,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 06:42:57,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:57,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:57,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 06:42:57,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:57,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:42:57,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:57,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 06:42:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:57,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:57,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:57,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:57,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:57,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:42:57,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:57,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:57,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:57,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:42:57,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:57,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:57,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 06:42:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:57,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:57,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:57,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:57,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:57,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:42:57,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:57,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:57,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:57,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:42:57,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:57,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:57,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 06:42:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:57,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:57,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:57,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:57,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:57,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:42:57,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:57,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:57,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:57,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:42:57,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:57,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:57,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 06:42:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:57,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:57,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:57,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:57,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:57,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:42:57,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:57,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:57,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:57,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:42:57,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:57,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:57,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 06:42:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:57,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:57,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:57,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:57,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:57,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:42:57,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:57,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:42:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:57,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:57,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-15 06:42:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:57,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:57,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:57,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:57,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:57,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:42:57,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:57,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:57,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:57,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:42:57,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:57,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:57,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-15 06:42:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:57,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:57,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:57,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:57,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:57,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:42:57,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:57,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:57,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:57,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:42:57,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:57,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:57,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 06:42:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:57,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:57,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:57,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:42:57,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:57,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:42:57,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:57,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:57,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:57,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 06:42:57,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:57,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:57,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-15 06:42:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:57,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:57,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:57,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 06:42:57,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:57,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 06:42:57,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:57,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:57,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:57,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-15 06:42:57,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:57,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:57,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:42:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:57,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:57,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:57,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:57,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:57,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:42:57,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:57,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:57,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:57,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:57,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:57,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:58,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:42:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:58,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:58,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:58,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 06:42:58,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:58,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:42:58,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:58,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:58,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:58,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:58,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:58,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:58,036 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-15 06:42:58,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1328104902] [2020-10-15 06:42:58,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:42:58,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-15 06:42:58,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424595697] [2020-10-15 06:42:58,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 06:42:58,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:42:58,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 06:42:58,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2020-10-15 06:42:58,039 INFO L87 Difference]: Start difference. First operand 1526 states and 1921 transitions. Second operand 16 states. [2020-10-15 06:42:58,197 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 06:42:59,478 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-15 06:42:59,748 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 06:42:59,968 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 06:43:00,256 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 06:43:00,464 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 06:43:00,744 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 06:43:00,991 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 06:43:26,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:43:26,445 INFO L93 Difference]: Finished difference Result 3265 states and 4156 transitions. [2020-10-15 06:43:26,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 06:43:26,447 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 130 [2020-10-15 06:43:26,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:43:26,457 INFO L225 Difference]: With dead ends: 3265 [2020-10-15 06:43:26,457 INFO L226 Difference]: Without dead ends: 1759 [2020-10-15 06:43:26,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=128, Invalid=574, Unknown=0, NotChecked=0, Total=702 [2020-10-15 06:43:26,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1759 states. [2020-10-15 06:43:26,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1759 to 1550. [2020-10-15 06:43:26,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1550 states. [2020-10-15 06:43:26,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 1951 transitions. [2020-10-15 06:43:26,643 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 1951 transitions. Word has length 130 [2020-10-15 06:43:26,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:43:26,643 INFO L479 AbstractCegarLoop]: Abstraction has 1550 states and 1951 transitions. [2020-10-15 06:43:26,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 06:43:26,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 1951 transitions. [2020-10-15 06:43:26,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-15 06:43:26,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:43:26,648 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:43:26,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 06:43:26,649 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:43:26,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:43:26,649 INFO L82 PathProgramCache]: Analyzing trace with hash -2005756291, now seen corresponding path program 1 times [2020-10-15 06:43:26,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:43:26,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1446231213] [2020-10-15 06:43:26,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:43:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:26,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:27,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:27,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-15 06:43:27,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:27,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1117 [2020-10-15 06:43:27,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:27,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:27,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 06:43:27,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 179 [2020-10-15 06:43:27,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 06:43:27,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:28,067 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 06:43:28,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:43:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:28,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 06:43:28,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:28,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:28,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:43:28,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:43:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:28,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:43:28,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:28,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:28,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:28,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 06:43:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:43:28,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:43:28,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:28,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:28,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:28,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 06:43:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:43:28,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:43:28,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:28,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:28,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:28,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:43:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:28,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:43:28,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:28,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:28,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:28,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 06:43:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:43:28,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:43:28,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:28,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:28,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:28,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 06:43:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-15 06:43:28,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-15 06:43:28,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:28,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:28,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:43:28,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:43:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 06:43:28,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 06:43:28,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:28,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:28,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:43:28,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:43:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-15 06:43:28,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 06:43:28,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:28,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:28,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:43:28,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:43:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 06:43:28,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 06:43:28,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:28,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:28,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:43:28,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:43:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 06:43:28,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 06:43:28,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:28,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:28,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:43:28,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 06:43:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:28,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:43:28,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:28,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:28,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:43:28,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 06:43:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:43:28,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:43:28,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:28,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:28,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:43:28,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 06:43:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:28,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:43:28,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:28,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:28,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:28,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 06:43:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:28,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:43:28,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:28,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:28,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:28,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-15 06:43:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:28,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:43:28,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:28,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:28,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:28,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 06:43:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:28,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:43:28,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:28,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:28,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:28,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-15 06:43:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:28,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:43:28,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:28,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:28,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:28,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 06:43:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:28,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:43:28,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:28,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:28,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:43:28,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 06:43:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:28,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:43:28,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:28,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:28,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:28,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 06:43:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:43:28,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:43:28,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:28,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:28,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 06:43:28,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-15 06:43:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 06:43:28,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-15 06:43:28,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 06:43:28,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 06:43:28,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:43:28,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:43:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:28,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:43:28,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:28,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:28,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:28,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:43:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:28,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:28,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:28,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 06:43:28,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:28,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 06:43:28,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:28,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:28,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 06:43:28,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:28,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 06:43:28,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:43:28,874 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-15 06:43:28,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1446231213] [2020-10-15 06:43:28,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:43:28,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 06:43:28,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842459181] [2020-10-15 06:43:28,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 06:43:28,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:43:28,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 06:43:28,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-15 06:43:28,877 INFO L87 Difference]: Start difference. First operand 1550 states and 1951 transitions. Second operand 12 states. [2020-10-15 06:43:29,046 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 06:43:30,145 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-15 06:43:39,725 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 06:43:39,934 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 06:43:44,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:43:44,827 INFO L93 Difference]: Finished difference Result 1807 states and 2309 transitions. [2020-10-15 06:43:44,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 06:43:44,829 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 141 [2020-10-15 06:43:44,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:43:44,838 INFO L225 Difference]: With dead ends: 1807 [2020-10-15 06:43:44,839 INFO L226 Difference]: Without dead ends: 1701 [2020-10-15 06:43:44,840 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2020-10-15 06:43:44,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2020-10-15 06:43:44,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 1501. [2020-10-15 06:43:44,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1501 states. [2020-10-15 06:43:44,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1501 states and 1892 transitions. [2020-10-15 06:43:44,982 INFO L78 Accepts]: Start accepts. Automaton has 1501 states and 1892 transitions. Word has length 141 [2020-10-15 06:43:44,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:43:44,983 INFO L479 AbstractCegarLoop]: Abstraction has 1501 states and 1892 transitions. [2020-10-15 06:43:44,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 06:43:44,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 1892 transitions. [2020-10-15 06:43:44,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-15 06:43:44,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:43:44,989 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:43:44,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 06:43:44,989 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:43:44,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:43:44,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1249147026, now seen corresponding path program 1 times [2020-10-15 06:43:44,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:43:44,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1583743896] [2020-10-15 06:43:44,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:43:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:45,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:45,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:45,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:48,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:48,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-15 06:43:48,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 06:43:48,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3725 [2020-10-15 06:43:48,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:48,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:48,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 06:43:48,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 06:43:48,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-15 06:43:48,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:48,987 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 06:43:48,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:43:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:48,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:49,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 06:43:49,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:49,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:49,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:49,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:43:49,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:43:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:49,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:43:49,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:43:49,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:49,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:43:49,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:49,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 06:43:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:43:49,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:43:49,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:43:49,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:49,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:43:49,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:49,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 06:43:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:43:49,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:43:49,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:43:49,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:49,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 06:43:49,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:49,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:43:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:49,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:43:49,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:49,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:49,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:49,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:43:49,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 06:43:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:43:49,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:43:49,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:43:49,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:49,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:43:49,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:49,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 06:43:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-15 06:43:49,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-15 06:43:49,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:43:49,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:49,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-15 06:43:49,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:49,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:43:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 06:43:49,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 06:43:49,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:49,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:49,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:49,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:49,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:43:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-15 06:43:49,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 06:43:49,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:49,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:49,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:49,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:43:49,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:43:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 06:43:49,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 06:43:49,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:49,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:49,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:49,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:43:49,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:43:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 06:43:49,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 06:43:49,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:49,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:49,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:49,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:43:49,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 06:43:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:49,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:43:49,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:49,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:49,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:49,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:43:49,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 06:43:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:43:49,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:43:49,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:49,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:49,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:49,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:43:49,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 06:43:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:49,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:43:49,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:49,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:49,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:49,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:49,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 06:43:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:49,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:43:49,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:49,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:49,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:49,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:49,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-15 06:43:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:49,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:43:49,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:49,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:49,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:49,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:49,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 06:43:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:49,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:43:49,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:49,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:49,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:49,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:43:49,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-15 06:43:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:49,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:43:49,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:49,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:49,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:49,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:49,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 06:43:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:49,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:43:49,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:49,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:49,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:49,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:49,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 06:43:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:49,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:43:49,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:43:49,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:49,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:43:49,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:49,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-15 06:43:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:43:49,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:43:49,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:49,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 06:43:49,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:49,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:49,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-15 06:43:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 06:43:49,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 06:43:49,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:49,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-15 06:43:49,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:49,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:49,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:43:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:49,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:43:49,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:49,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:49,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:49,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:43:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 06:43:49,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:43:49,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:49,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:49,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:49,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:43:49,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-15 06:43:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:49,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:49,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:49,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:43:49,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:49,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:43:49,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:49,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:49,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:49,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 06:43:49,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:49,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:49,599 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-15 06:43:49,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1583743896] [2020-10-15 06:43:49,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 06:43:49,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-15 06:43:49,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443343832] [2020-10-15 06:43:49,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 06:43:49,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:43:49,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 06:43:49,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-15 06:43:49,605 INFO L87 Difference]: Start difference. First operand 1501 states and 1892 transitions. Second operand 9 states. [2020-10-15 06:43:49,762 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 130