/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/systemc/bist_cell.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 14:32:23,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 14:32:23,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 14:32:23,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 14:32:23,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 14:32:23,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 14:32:23,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 14:32:23,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 14:32:23,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 14:32:23,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 14:32:23,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 14:32:23,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 14:32:23,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 14:32:23,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 14:32:23,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 14:32:23,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 14:32:23,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 14:32:23,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 14:32:23,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 14:32:23,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 14:32:23,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 14:32:23,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 14:32:23,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 14:32:23,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 14:32:23,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 14:32:23,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 14:32:23,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 14:32:23,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 14:32:23,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 14:32:23,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 14:32:23,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 14:32:23,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 14:32:23,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 14:32:23,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 14:32:23,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 14:32:23,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 14:32:23,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 14:32:23,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 14:32:23,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 14:32:23,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 14:32:23,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 14:32:23,580 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 14:32:23,632 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 14:32:23,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 14:32:23,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 14:32:23,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 14:32:23,637 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 14:32:23,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 14:32:23,637 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 14:32:23,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 14:32:23,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 14:32:23,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 14:32:23,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 14:32:23,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 14:32:23,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 14:32:23,640 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 14:32:23,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 14:32:23,640 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 14:32:23,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 14:32:23,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 14:32:23,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 14:32:23,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 14:32:23,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 14:32:23,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 14:32:23,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 14:32:23,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 14:32:23,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 14:32:23,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 14:32:23,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 14:32:23,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 14:32:23,643 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 14:32:23,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 14:32:24,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 14:32:24,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 14:32:24,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 14:32:24,116 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 14:32:24,117 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 14:32:24,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/bist_cell.cil.c [2020-10-29 14:32:24,199 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb338fdaf/67f465cad2b84059a08d0daa82edadcb/FLAG3a19dfeb0 [2020-10-29 14:32:24,923 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 14:32:24,924 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/bist_cell.cil.c [2020-10-29 14:32:24,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb338fdaf/67f465cad2b84059a08d0daa82edadcb/FLAG3a19dfeb0 [2020-10-29 14:32:25,239 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb338fdaf/67f465cad2b84059a08d0daa82edadcb [2020-10-29 14:32:25,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 14:32:25,250 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 14:32:25,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 14:32:25,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 14:32:25,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 14:32:25,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:32:25" (1/1) ... [2020-10-29 14:32:25,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d913064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:32:25, skipping insertion in model container [2020-10-29 14:32:25,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:32:25" (1/1) ... [2020-10-29 14:32:25,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 14:32:25,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 14:32:25,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 14:32:25,632 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 14:32:25,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 14:32:25,700 INFO L208 MainTranslator]: Completed translation [2020-10-29 14:32:25,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:32:25 WrapperNode [2020-10-29 14:32:25,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 14:32:25,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 14:32:25,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 14:32:25,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 14:32:25,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:32:25" (1/1) ... [2020-10-29 14:32:25,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:32:25" (1/1) ... [2020-10-29 14:32:25,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:32:25" (1/1) ... [2020-10-29 14:32:25,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:32:25" (1/1) ... [2020-10-29 14:32:25,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:32:25" (1/1) ... [2020-10-29 14:32:25,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:32:25" (1/1) ... [2020-10-29 14:32:25,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:32:25" (1/1) ... [2020-10-29 14:32:25,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 14:32:25,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 14:32:25,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 14:32:25,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 14:32:25,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:32:25" (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 [2020-10-29 14:32:25,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 14:32:25,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 14:32:25,868 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 14:32:25,868 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-29 14:32:25,868 INFO L138 BoogieDeclarations]: Found implementation of procedure method1 [2020-10-29 14:32:25,869 INFO L138 BoogieDeclarations]: Found implementation of procedure is_method1_triggered [2020-10-29 14:32:25,869 INFO L138 BoogieDeclarations]: Found implementation of procedure update_b0 [2020-10-29 14:32:25,869 INFO L138 BoogieDeclarations]: Found implementation of procedure update_b1 [2020-10-29 14:32:25,869 INFO L138 BoogieDeclarations]: Found implementation of procedure update_d0 [2020-10-29 14:32:25,870 INFO L138 BoogieDeclarations]: Found implementation of procedure update_d1 [2020-10-29 14:32:25,871 INFO L138 BoogieDeclarations]: Found implementation of procedure update_z [2020-10-29 14:32:25,871 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-29 14:32:25,871 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-29 14:32:25,871 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-29 14:32:25,871 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-29 14:32:25,872 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-29 14:32:25,873 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-29 14:32:25,873 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-29 14:32:25,873 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-29 14:32:25,873 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-29 14:32:25,873 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-29 14:32:25,873 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 14:32:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 14:32:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 14:32:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 14:32:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 14:32:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 14:32:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-29 14:32:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure method1 [2020-10-29 14:32:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure is_method1_triggered [2020-10-29 14:32:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure update_b0 [2020-10-29 14:32:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure update_b1 [2020-10-29 14:32:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure update_d0 [2020-10-29 14:32:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure update_d1 [2020-10-29 14:32:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure update_z [2020-10-29 14:32:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-29 14:32:25,876 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-29 14:32:25,876 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-29 14:32:25,876 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-29 14:32:25,876 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-29 14:32:25,876 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-29 14:32:25,876 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-29 14:32:25,876 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-29 14:32:25,877 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-29 14:32:25,877 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-29 14:32:25,878 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 14:32:25,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 14:32:25,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 14:32:25,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 14:32:25,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 14:32:25,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 14:32:25,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 14:32:26,731 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 14:32:26,731 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-29 14:32:26,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:32:26 BoogieIcfgContainer [2020-10-29 14:32:26,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 14:32:26,735 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 14:32:26,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 14:32:26,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 14:32:26,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 02:32:25" (1/3) ... [2020-10-29 14:32:26,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdacec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:32:26, skipping insertion in model container [2020-10-29 14:32:26,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:32:25" (2/3) ... [2020-10-29 14:32:26,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdacec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:32:26, skipping insertion in model container [2020-10-29 14:32:26,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:32:26" (3/3) ... [2020-10-29 14:32:26,745 INFO L111 eAbstractionObserver]: Analyzing ICFG bist_cell.cil.c [2020-10-29 14:32:26,758 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 14:32:26,762 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 14:32:26,777 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 14:32:26,808 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 14:32:26,808 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 14:32:26,808 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 14:32:26,808 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 14:32:26,808 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 14:32:26,809 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 14:32:26,809 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 14:32:26,809 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 14:32:26,832 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2020-10-29 14:32:26,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-29 14:32:26,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:32:26,842 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:32:26,843 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:32:26,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:32:26,850 INFO L82 PathProgramCache]: Analyzing trace with hash -323642977, now seen corresponding path program 1 times [2020-10-29 14:32:26,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:32:26,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [441178691] [2020-10-29 14:32:26,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:32:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:27,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:27,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:27,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:27,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:28,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:28,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:28,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:28,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:28,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:28,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:28,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:28,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:32,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:32,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-29 14:32:32,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 14:32:32,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 14:32:32,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:32,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:32,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:32:32,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-29 14:32:32,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-29 14:32:32,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 14:32:32,351 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-29 14:32:32,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:32:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:32,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:32,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:32,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:32:32,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:32,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 14:32:32,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:32,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:32,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:32:32,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:32:32,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:32:32,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:32:32,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:32:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:32,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:32,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:32,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:32:32,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:32,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 14:32:32,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:32,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:32,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:32:32,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:32:32,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:32:32,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:32:32,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:32:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:32,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:32,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:32,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:32,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 14:32:32,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:32:32,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-29 14:32:32,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:32,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:32,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:32:32,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-29 14:32:32,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-29 14:32:32,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:32:32,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:32:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:32,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:32,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:32,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:32:32,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:32,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:32:32,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:32,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:32,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:32:32,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:32:32,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:32:32,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:32:32,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 14:32:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:32,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:32,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:32,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:32:32,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:32,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:32:32,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:32,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:32,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:32:32,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:32:32,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:32:32,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:32:32,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 14:32:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:32,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:32,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:32,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:32:32,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:32,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:32:32,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:32,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:32,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:32:32,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:32:32,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:32:32,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:32:32,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-29 14:32:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:32,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:32,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:32,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 14:32:32,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:32,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:32:32,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:32,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:32,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:32:32,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:32:32,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 14:32:32,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:32:32,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:32:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:32,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:32,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:32,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:32:32,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:32,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:32:32,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:32,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:32,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:32:32,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:32:32,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:32:32,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:32:32,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 14:32:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:32,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:32,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:32,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:32:32,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:32,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 14:32:32,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:32,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:32,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:32:32,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:32:32,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 14:32:32,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:32:33,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:32:33,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [441178691] [2020-10-29 14:32:33,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:32:33,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 14:32:33,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766635740] [2020-10-29 14:32:33,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 14:32:33,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:32:33,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 14:32:33,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-29 14:32:33,081 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 11 states. [2020-10-29 14:32:34,211 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-29 14:32:34,901 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-29 14:32:38,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:32:38,002 INFO L93 Difference]: Finished difference Result 584 states and 934 transitions. [2020-10-29 14:32:38,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-29 14:32:38,005 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 59 [2020-10-29 14:32:38,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:32:38,027 INFO L225 Difference]: With dead ends: 584 [2020-10-29 14:32:38,027 INFO L226 Difference]: Without dead ends: 454 [2020-10-29 14:32:38,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=186, Invalid=516, Unknown=0, NotChecked=0, Total=702 [2020-10-29 14:32:38,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2020-10-29 14:32:38,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 346. [2020-10-29 14:32:38,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-10-29 14:32:38,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 501 transitions. [2020-10-29 14:32:38,207 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 501 transitions. Word has length 59 [2020-10-29 14:32:38,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:32:38,208 INFO L481 AbstractCegarLoop]: Abstraction has 346 states and 501 transitions. [2020-10-29 14:32:38,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 14:32:38,208 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 501 transitions. [2020-10-29 14:32:38,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-29 14:32:38,219 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:32:38,223 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:32:38,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 14:32:38,224 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:32:38,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:32:38,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1981964489, now seen corresponding path program 1 times [2020-10-29 14:32:38,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:32:38,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1646299975] [2020-10-29 14:32:38,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:32:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:38,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:38,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:38,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:38,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:38,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:38,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:38,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:38,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:43,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:43,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-29 14:32:43,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 14:32:43,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-29 14:32:43,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:43,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:43,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:32:43,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-29 14:32:43,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 14:32:43,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:32:43,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:32:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:43,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:43,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:43,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:32:43,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:43,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:32:43,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:43,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:43,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:32:43,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:32:43,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:32:43,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:32:43,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:32:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:43,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:43,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:43,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:32:43,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:43,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:32:43,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:43,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:43,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:32:43,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:32:43,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:32:43,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:32:43,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:32:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:43,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:43,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:43,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:43,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:43,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:43,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:47,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:48,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:48,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-29 14:32:48,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 14:32:48,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 14:32:48,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:48,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:48,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:32:48,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-29 14:32:48,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 14:32:48,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:32:48,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:32:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:48,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:48,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:48,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:32:48,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:48,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:32:48,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:48,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:48,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:32:48,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:32:48,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:32:48,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:32:48,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 14:32:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:48,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:48,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:48,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:32:48,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:48,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:32:48,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:48,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:48,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:32:48,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:32:48,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:32:48,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:32:48,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 14:32:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:48,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:48,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:48,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:32:48,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:48,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:32:48,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:48,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:48,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:32:48,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:32:48,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:32:48,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:32:48,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-29 14:32:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:48,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:48,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:48,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 14:32:48,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:48,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 14:32:48,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:48,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:48,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:32:48,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:32:48,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:32:48,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:32:48,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:32:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:48,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:48,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:48,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:32:48,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:48,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:32:48,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:48,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:32:48,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:32:48,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:32:48,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:32:48,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 14:32:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:48,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:48,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:48,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:32:48,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:48,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 14:32:48,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:48,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:48,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:32:48,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:32:48,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:32:48,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:32:48,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 14:32:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:48,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:48,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:48,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:32:48,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:48,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:32:48,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:48,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:48,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:32:48,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:32:48,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:32:48,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:32:48,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 14:32:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:48,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:48,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:48,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:32:48,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:48,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:32:48,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:48,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:48,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:32:48,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:32:48,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:32:48,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:32:48,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 14:32:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:48,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:48,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:48,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:32:48,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:48,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 14:32:48,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:48,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:48,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:32:48,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:32:48,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 14:32:48,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:32:48,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 14:32:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:48,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:48,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:48,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:32:48,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:48,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 14:32:48,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:48,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:48,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:32:48,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:32:48,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 14:32:48,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:32:48,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-29 14:32:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:48,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:48,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:48,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 14:32:48,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:48,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:32:48,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:48,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:48,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:32:48,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 14:32:48,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:32:48,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:32:48,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:32:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:48,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:48,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:48,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:32:48,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:48,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:32:48,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:48,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:48,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:32:48,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:32:48,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:32:48,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:32:48,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-29 14:32:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:48,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:48,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:48,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:32:48,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:48,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:32:48,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:48,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:48,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:32:48,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-29 14:32:48,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:32:48,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:32:48,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-29 14:32:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:49,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:49,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:49,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:49,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:32:49,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:32:49,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 14:32:49,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:49,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:49,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:32:49,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:32:49,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:32:49,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:32:49,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:32:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:49,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:49,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:32:49,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:32:49,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:32:49,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:32:49,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:32:49,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:32:49,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:32:49,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:32:49,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:32:49,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:32:49,169 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-29 14:32:49,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1646299975] [2020-10-29 14:32:49,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 14:32:49,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-29 14:32:49,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688057620] [2020-10-29 14:32:49,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-29 14:32:49,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:32:49,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-29 14:32:49,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2020-10-29 14:32:49,174 INFO L87 Difference]: Start difference. First operand 346 states and 501 transitions. Second operand 16 states. [2020-10-29 14:32:49,384 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-29 14:32:51,265 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-29 14:32:51,584 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-29 14:32:51,739 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-29 14:32:53,755 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-29 14:32:53,899 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-29 14:32:54,584 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-29 14:32:54,715 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-29 14:32:54,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:32:54,897 INFO L93 Difference]: Finished difference Result 967 states and 1458 transitions. [2020-10-29 14:32:54,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-29 14:32:54,897 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 126 [2020-10-29 14:32:54,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:32:54,906 INFO L225 Difference]: With dead ends: 967 [2020-10-29 14:32:54,907 INFO L226 Difference]: Without dead ends: 645 [2020-10-29 14:32:54,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=403, Invalid=1237, Unknown=0, NotChecked=0, Total=1640 [2020-10-29 14:32:54,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2020-10-29 14:32:55,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 469. [2020-10-29 14:32:55,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-10-29 14:32:55,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 659 transitions. [2020-10-29 14:32:55,072 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 659 transitions. Word has length 126 [2020-10-29 14:32:55,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:32:55,075 INFO L481 AbstractCegarLoop]: Abstraction has 469 states and 659 transitions. [2020-10-29 14:32:55,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-29 14:32:55,075 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 659 transitions. [2020-10-29 14:32:55,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-29 14:32:55,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:32:55,086 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:32:55,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 14:32:55,086 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:32:55,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:32:55,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1684865287, now seen corresponding path program 1 times [2020-10-29 14:32:55,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:32:55,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1954136106] [2020-10-29 14:32:55,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:32:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:32:55,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:55,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:55,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:55,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:55,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:55,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:32:55,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:00,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:00,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-29 14:33:00,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 14:33:00,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 14:33:00,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:00,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:00,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:33:00,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-29 14:33:00,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 14:33:00,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:00,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:33:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:00,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:00,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:00,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:33:00,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:00,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:33:00,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:00,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:00,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:00,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:00,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:00,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:00,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:33:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:00,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:00,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:00,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:33:00,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:00,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:33:00,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:00,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:00,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:00,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:00,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:00,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:00,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:33:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:00,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:00,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:00,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:00,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:00,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:01,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:05,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:05,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-29 14:33:05,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:33:05,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 14:33:05,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:05,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:05,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:33:05,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-29 14:33:05,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 14:33:05,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:05,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:33:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:05,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:05,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:05,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:05,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:05,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:33:05,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:05,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:05,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:05,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:05,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:05,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:05,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 14:33:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:05,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:05,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:05,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:33:05,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:05,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:33:05,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:05,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:05,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:05,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:05,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:05,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:05,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 14:33:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:05,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:05,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:05,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:05,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:05,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:33:05,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:05,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:05,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:05,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:05,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:05,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:05,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-29 14:33:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:05,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:05,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:05,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 14:33:05,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:05,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:33:05,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:05,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:05,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:05,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:05,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:05,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:05,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:33:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:05,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:05,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:05,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:33:05,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:05,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:33:05,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:05,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:05,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:05,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:05,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:05,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:05,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 14:33:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:05,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:05,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:05,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:05,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:05,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:33:05,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:05,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:05,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:05,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:05,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:33:05,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:05,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 14:33:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:05,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:05,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:05,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:33:05,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:05,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:33:05,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:05,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:05,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:05,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:05,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:33:05,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:05,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 14:33:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:05,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:05,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:05,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:33:05,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:05,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:33:05,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:05,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:05,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:05,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:05,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:05,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:05,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 14:33:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:05,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:05,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:05,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:05,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:05,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 14:33:05,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:05,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:05,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:33:05,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:33:05,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 14:33:05,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:05,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 14:33:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:05,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:05,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:05,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:05,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:05,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 14:33:05,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:05,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:05,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:33:05,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:33:05,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 14:33:05,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:05,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-29 14:33:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:05,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:05,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:05,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 14:33:05,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:05,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:33:05,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:05,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:05,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:05,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 14:33:05,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:05,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:05,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:33:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:05,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:05,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:05,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:33:05,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:05,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:33:05,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:05,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:05,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:05,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:05,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:05,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:05,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-29 14:33:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:05,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:05,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:05,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:05,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:05,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:33:05,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:05,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:05,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:05,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-29 14:33:05,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:05,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:05,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-29 14:33:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:05,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:05,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:05,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:33:05,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:05,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:33:05,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:05,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:05,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:05,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 14:33:05,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:05,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:05,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:33:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:05,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:05,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:05,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:33:05,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:05,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:33:05,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:05,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:05,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:05,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:05,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:05,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:05,782 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-29 14:33:05,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1954136106] [2020-10-29 14:33:05,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 14:33:05,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 14:33:05,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524167099] [2020-10-29 14:33:05,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 14:33:05,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:33:05,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 14:33:05,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-29 14:33:05,785 INFO L87 Difference]: Start difference. First operand 469 states and 659 transitions. Second operand 13 states. [2020-10-29 14:33:05,970 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-29 14:33:09,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:33:09,768 INFO L93 Difference]: Finished difference Result 1536 states and 2357 transitions. [2020-10-29 14:33:09,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-29 14:33:09,768 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 126 [2020-10-29 14:33:09,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:33:09,780 INFO L225 Difference]: With dead ends: 1536 [2020-10-29 14:33:09,780 INFO L226 Difference]: Without dead ends: 1093 [2020-10-29 14:33:09,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=234, Invalid=636, Unknown=0, NotChecked=0, Total=870 [2020-10-29 14:33:09,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2020-10-29 14:33:09,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 787. [2020-10-29 14:33:09,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states. [2020-10-29 14:33:09,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1114 transitions. [2020-10-29 14:33:09,943 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1114 transitions. Word has length 126 [2020-10-29 14:33:09,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:33:09,944 INFO L481 AbstractCegarLoop]: Abstraction has 787 states and 1114 transitions. [2020-10-29 14:33:09,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 14:33:09,945 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1114 transitions. [2020-10-29 14:33:09,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-29 14:33:09,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:33:09,952 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 14:33:09,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 14:33:09,952 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:33:09,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:33:09,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1827494473, now seen corresponding path program 1 times [2020-10-29 14:33:09,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:33:09,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2840062] [2020-10-29 14:33:09,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:33:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:09,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:10,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:10,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:10,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:10,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:10,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:14,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:14,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-29 14:33:14,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:33:14,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 14:33:14,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:14,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:14,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:33:14,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-29 14:33:14,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 14:33:14,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 14:33:15,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:33:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:15,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:15,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:15,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:33:15,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:15,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 14:33:15,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:15,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:15,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:15,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:15,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:15,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:15,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:33:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:15,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:15,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:15,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:33:15,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:15,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:33:15,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:15,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:15,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:15,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:33:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:15,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:15,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:15,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:15,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:15,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:20,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:20,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-29 14:33:20,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:33:20,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 14:33:20,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:20,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:20,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:33:20,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-29 14:33:20,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 14:33:20,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:20,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:33:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:20,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:20,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:20,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:20,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:20,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:33:20,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:20,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:20,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:20,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:20,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:20,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:20,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 14:33:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:20,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:20,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:20,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:33:20,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:20,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:33:20,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:20,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:20,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:20,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:20,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:20,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:20,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 14:33:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:20,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:20,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:20,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:20,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:20,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:33:20,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:20,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:20,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:20,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-29 14:33:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:20,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:20,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:20,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 14:33:20,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:20,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:33:20,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:20,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:20,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:20,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:20,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:20,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:20,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:33:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:20,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:20,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:20,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:33:20,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:20,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:33:20,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:20,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:20,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:20,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 14:33:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:20,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:20,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:20,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:20,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:20,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:33:20,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:20,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:20,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:20,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:20,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:33:20,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:20,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 14:33:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:20,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:20,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:20,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:33:20,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:20,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:33:20,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:20,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:20,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:20,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:20,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:33:20,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:20,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 14:33:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:20,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:20,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:20,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:33:20,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:20,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:33:20,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:20,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:20,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:20,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:20,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:20,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:20,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 14:33:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:20,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:20,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:20,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:20,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:20,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 14:33:20,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:20,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:20,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:33:20,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:33:20,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 14:33:20,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:20,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 14:33:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:20,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:20,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:20,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:20,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:20,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 14:33:20,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:20,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:20,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:33:20,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:33:20,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 14:33:20,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:20,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-29 14:33:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:20,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:20,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:20,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 14:33:20,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:20,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:33:20,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:20,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:20,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:20,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 14:33:20,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:20,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:20,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:33:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:20,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:20,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:20,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:33:20,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:20,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:33:20,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:20,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:20,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:20,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:20,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:20,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:20,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-29 14:33:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:20,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:20,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:20,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:20,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:20,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:33:20,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:20,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:20,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:20,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-29 14:33:20,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:20,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:20,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-29 14:33:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:20,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:20,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:20,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:33:20,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:20,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:33:20,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:20,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:20,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:20,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 14:33:20,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:20,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:20,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:33:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:20,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:20,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:20,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:33:20,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:20,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:33:20,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:20,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:20,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:20,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:20,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:20,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:20,692 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-29 14:33:20,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2840062] [2020-10-29 14:33:20,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 14:33:20,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 14:33:20,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371972754] [2020-10-29 14:33:20,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 14:33:20,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:33:20,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 14:33:20,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-29 14:33:20,695 INFO L87 Difference]: Start difference. First operand 787 states and 1114 transitions. Second operand 12 states. [2020-10-29 14:33:20,880 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-29 14:33:23,159 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-29 14:33:24,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:33:24,402 INFO L93 Difference]: Finished difference Result 2683 states and 4106 transitions. [2020-10-29 14:33:24,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-29 14:33:24,402 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 126 [2020-10-29 14:33:24,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:33:24,418 INFO L225 Difference]: With dead ends: 2683 [2020-10-29 14:33:24,419 INFO L226 Difference]: Without dead ends: 1932 [2020-10-29 14:33:24,424 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2020-10-29 14:33:24,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1932 states. [2020-10-29 14:33:24,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1932 to 1469. [2020-10-29 14:33:24,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1469 states. [2020-10-29 14:33:24,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 2144 transitions. [2020-10-29 14:33:24,632 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 2144 transitions. Word has length 126 [2020-10-29 14:33:24,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:33:24,633 INFO L481 AbstractCegarLoop]: Abstraction has 1469 states and 2144 transitions. [2020-10-29 14:33:24,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 14:33:24,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2144 transitions. [2020-10-29 14:33:24,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-29 14:33:24,643 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:33:24,643 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:33:24,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 14:33:24,644 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:33:24,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:33:24,644 INFO L82 PathProgramCache]: Analyzing trace with hash 168321127, now seen corresponding path program 1 times [2020-10-29 14:33:24,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:33:24,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [36434096] [2020-10-29 14:33:24,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:33:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:24,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:24,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:24,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:24,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:24,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:26,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:26,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:26,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:26,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:26,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:26,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:26,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:26,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:26,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:29,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:29,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-29 14:33:29,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 14:33:29,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 14:33:29,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:29,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:29,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:33:29,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 14:33:29,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 14:33:29,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:29,813 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-29 14:33:29,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:33:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:29,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:29,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:29,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:33:29,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:29,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:33:29,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:29,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:29,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:29,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:29,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:29,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:29,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:33:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:29,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:29,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:29,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:33:29,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:29,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:33:29,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:29,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:29,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:29,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:29,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:33:29,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:29,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:33:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:29,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:29,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:30,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:30,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:30,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:30,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:34,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:34,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-29 14:33:34,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:33:34,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 14:33:34,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:34,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:34,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:33:34,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:33:34,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-29 14:33:34,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:35,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:33:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:35,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:35,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:35,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:35,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:35,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 14:33:35,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:35,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:35,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:33:35,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:33:35,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 14:33:35,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:35,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 14:33:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:35,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:35,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:35,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:33:35,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:35,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:33:35,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:35,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:35,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:35,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:35,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:33:35,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:35,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 14:33:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:35,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:35,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:35,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:35,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:35,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:33:35,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:35,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:35,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:35,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:35,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:33:35,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:35,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-29 14:33:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:35,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:35,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:35,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 14:33:35,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:35,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:33:35,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:35,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:35,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:35,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:35,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:33:35,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:35,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:33:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:35,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:35,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:35,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:35,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:35,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:33:35,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:35,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:35,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:35,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:35,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:35,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:35,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 14:33:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:35,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:35,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:35,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:35,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:35,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:33:35,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:35,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:35,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:35,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:35,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:33:35,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:35,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 14:33:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:35,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:35,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:35,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:33:35,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:35,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:33:35,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:35,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:33:35,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:35,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 14:33:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:35,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:35,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:35,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:33:35,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:35,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:33:35,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:35,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:35,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:35,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:35,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:35,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:35,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 14:33:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:35,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:35,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:35,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:35,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:35,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:33:35,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:35,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:35,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:35,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:35,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:33:35,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:35,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 14:33:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:35,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:35,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:35,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:35,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:35,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:33:35,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:35,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:35,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:35,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:35,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:33:35,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:35,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 14:33:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:35,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:35,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:35,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 14:33:35,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:35,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:33:35,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:35,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:35,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:35,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:35,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:33:35,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:35,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:33:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:35,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:35,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:35,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:35,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:35,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:33:35,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:35,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:35,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:35,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:35,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:35,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:35,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-29 14:33:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:35,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:35,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:35,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:35,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:35,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:33:35,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:35,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:35,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:35,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:35,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:33:35,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:35,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-29 14:33:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:35,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:35,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:35,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:33:35,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:35,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:33:35,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:35,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:35,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:35,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:35,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:33:35,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:35,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:33:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:35,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:35,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:35,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:33:35,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:35,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:33:35,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:35,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:35,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:35,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:35,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:35,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:35,290 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-29 14:33:35,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [36434096] [2020-10-29 14:33:35,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 14:33:35,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 14:33:35,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309974148] [2020-10-29 14:33:35,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 14:33:35,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:33:35,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 14:33:35,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-29 14:33:35,293 INFO L87 Difference]: Start difference. First operand 1469 states and 2144 transitions. Second operand 12 states. [2020-10-29 14:33:35,485 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-29 14:33:36,906 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-29 14:33:38,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:33:38,165 INFO L93 Difference]: Finished difference Result 3766 states and 5553 transitions. [2020-10-29 14:33:38,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-29 14:33:38,166 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 130 [2020-10-29 14:33:38,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:33:38,184 INFO L225 Difference]: With dead ends: 3766 [2020-10-29 14:33:38,184 INFO L226 Difference]: Without dead ends: 2342 [2020-10-29 14:33:38,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2020-10-29 14:33:38,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2342 states. [2020-10-29 14:33:38,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2342 to 1755. [2020-10-29 14:33:38,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1755 states. [2020-10-29 14:33:38,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1755 states and 2553 transitions. [2020-10-29 14:33:38,432 INFO L78 Accepts]: Start accepts. Automaton has 1755 states and 2553 transitions. Word has length 130 [2020-10-29 14:33:38,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:33:38,433 INFO L481 AbstractCegarLoop]: Abstraction has 1755 states and 2553 transitions. [2020-10-29 14:33:38,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 14:33:38,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2553 transitions. [2020-10-29 14:33:38,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-29 14:33:38,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:33:38,443 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 14:33:38,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 14:33:38,443 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:33:38,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:33:38,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1275387529, now seen corresponding path program 1 times [2020-10-29 14:33:38,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:33:38,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2119202664] [2020-10-29 14:33:38,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:33:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:38,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:38,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:38,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:38,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:39,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:39,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:39,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:39,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:39,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:39,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:40,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:40,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:40,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:43,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:43,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-29 14:33:43,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 14:33:43,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 14:33:43,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:43,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:43,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:33:43,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 14:33:43,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 14:33:43,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:43,627 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-29 14:33:43,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:33:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:43,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:43,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:43,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:33:43,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:43,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:33:43,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:43,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:43,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:43,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:43,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:43,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:43,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:33:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:43,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:43,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:43,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:33:43,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:43,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 14:33:43,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:43,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:43,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:43,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:43,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:33:43,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:43,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:33:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:43,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:43,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:43,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:44,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:45,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:45,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:48,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:48,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-29 14:33:48,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:33:48,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 14:33:48,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:48,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:48,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:33:48,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:33:48,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-29 14:33:48,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:48,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:33:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:48,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:48,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:48,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:33:48,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:48,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 14:33:48,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:48,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:48,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:33:48,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:33:48,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 14:33:48,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:49,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:33:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:49,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:49,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:49,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:33:49,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:49,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:33:49,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:49,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:49,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:49,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:49,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:33:49,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:33:49,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-29 14:33:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:49,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:49,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:49,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:33:49,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:49,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:33:49,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:49,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:49,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:49,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:49,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:33:49,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:33:49,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 14:33:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:49,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:49,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:49,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:49,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:49,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:33:49,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:49,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:49,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:49,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:49,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:33:49,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:49,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-29 14:33:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:49,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:49,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:49,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 14:33:49,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:49,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:33:49,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:49,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:49,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:49,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:49,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 14:33:49,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:33:49,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:33:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:49,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:49,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:49,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:33:49,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:49,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:33:49,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:49,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:49,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:49,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:49,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:49,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:33:49,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 14:33:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:49,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:49,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:49,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:49,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:49,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:33:49,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:49,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:49,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:49,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:49,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:33:49,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:33:49,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 14:33:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:49,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:49,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:49,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:33:49,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:49,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:33:49,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:49,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:49,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:49,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:49,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:33:49,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:49,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 14:33:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:49,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:49,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:49,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:33:49,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:49,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:33:49,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:49,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:49,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:49,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:49,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:49,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:33:49,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-29 14:33:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:49,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:49,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:49,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:49,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:49,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 14:33:49,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:49,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:49,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:49,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:49,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:33:49,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:33:49,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 14:33:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:49,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:49,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:49,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:49,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:49,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:33:49,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:49,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:49,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:49,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:49,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:33:49,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:33:49,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 14:33:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:49,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:49,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:49,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 14:33:49,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:49,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:33:49,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:49,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:49,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:49,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:49,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:33:49,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:33:49,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:33:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:49,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:49,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:49,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:49,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:49,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:33:49,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:49,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:49,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:49,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:49,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:49,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:33:49,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 14:33:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:49,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:49,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:49,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:33:49,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:49,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:33:49,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:49,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:49,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:49,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:49,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:33:49,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:33:49,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:33:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:49,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:49,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:49,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:33:49,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:49,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 14:33:49,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:49,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:49,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:49,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:49,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:33:49,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:33:49,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:33:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:49,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:49,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:49,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:33:49,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:49,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:33:49,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:49,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:49,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:49,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:49,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:49,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:33:49,382 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-29 14:33:49,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2119202664] [2020-10-29 14:33:49,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 14:33:49,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 14:33:49,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923623915] [2020-10-29 14:33:49,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 14:33:49,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:33:49,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 14:33:49,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2020-10-29 14:33:49,390 INFO L87 Difference]: Start difference. First operand 1755 states and 2553 transitions. Second operand 13 states. [2020-10-29 14:33:49,666 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-29 14:33:53,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:33:53,331 INFO L93 Difference]: Finished difference Result 4844 states and 7040 transitions. [2020-10-29 14:33:53,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-29 14:33:53,331 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 133 [2020-10-29 14:33:53,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:33:53,356 INFO L225 Difference]: With dead ends: 4844 [2020-10-29 14:33:53,356 INFO L226 Difference]: Without dead ends: 3135 [2020-10-29 14:33:53,364 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=397, Invalid=1243, Unknown=0, NotChecked=0, Total=1640 [2020-10-29 14:33:53,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3135 states. [2020-10-29 14:33:53,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3135 to 1986. [2020-10-29 14:33:53,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1986 states. [2020-10-29 14:33:53,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1986 states and 2877 transitions. [2020-10-29 14:33:53,658 INFO L78 Accepts]: Start accepts. Automaton has 1986 states and 2877 transitions. Word has length 133 [2020-10-29 14:33:53,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:33:53,658 INFO L481 AbstractCegarLoop]: Abstraction has 1986 states and 2877 transitions. [2020-10-29 14:33:53,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 14:33:53,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2877 transitions. [2020-10-29 14:33:53,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-29 14:33:53,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:33:53,669 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 14:33:53,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 14:33:53,670 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:33:53,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:33:53,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1671351338, now seen corresponding path program 1 times [2020-10-29 14:33:53,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:33:53,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [475423353] [2020-10-29 14:33:53,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:33:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:53,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:53,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:53,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:53,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:54,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:54,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:54,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:54,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:55,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:55,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:55,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:58,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:58,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-29 14:33:58,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 14:33:58,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 14:33:58,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:58,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:58,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:33:58,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 14:33:58,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-29 14:33:58,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:58,847 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-29 14:33:58,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:33:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:58,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:58,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:58,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:33:58,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:58,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:33:58,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:58,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:58,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:33:58,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:58,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:33:58,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:58,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:33:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:58,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:58,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:33:58,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:33:58,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:33:58,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:33:58,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:33:58,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:33:58,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:33:58,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:33:58,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:33:58,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:33:58,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:33:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:33:59,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:59,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:59,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:59,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:59,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:33:59,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:04,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:04,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-29 14:34:04,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:34:04,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 14:34:04,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:04,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:04,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:34:04,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:34:04,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-29 14:34:04,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:04,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:34:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:04,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:04,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:04,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 14:34:04,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:04,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 14:34:04,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:04,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:04,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:34:04,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:34:04,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 14:34:04,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:04,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:34:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:04,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:04,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:04,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:34:04,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:04,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:34:04,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:04,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:04,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:04,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:04,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:34:04,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:04,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 14:34:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:04,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:04,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:04,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:34:04,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:04,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:34:04,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:04,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:04,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:04,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:04,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:34:04,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:04,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:34:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:04,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:04,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:04,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:34:04,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:04,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:34:04,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:04,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:04,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:04,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:04,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:34:04,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:04,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:34:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:04,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:04,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:04,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:34:04,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:04,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:34:04,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:04,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:04,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:04,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:04,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:34:04,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:04,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 14:34:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:04,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:04,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:04,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 14:34:04,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:04,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:34:04,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:04,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:04,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:04,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:04,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 14:34:04,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:04,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:34:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:04,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:04,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:04,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:34:04,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:04,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:34:04,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:04,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:04,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:34:04,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:04,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:34:04,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:04,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 14:34:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:04,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:04,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:04,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:34:04,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:04,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:34:04,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:04,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:04,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:04,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:04,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:34:04,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:04,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 14:34:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:04,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:04,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:04,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:34:04,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:04,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:34:04,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:04,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:04,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:04,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:04,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:34:04,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:04,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 14:34:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:04,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:04,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:04,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:34:04,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:04,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:34:04,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:04,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:04,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:34:04,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:04,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:34:04,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:04,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 14:34:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:04,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:04,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:04,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:34:04,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:04,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:34:04,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:04,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:04,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:04,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:04,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:34:04,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:04,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 14:34:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:04,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:04,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:04,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:34:04,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:04,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:34:04,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:04,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:04,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:04,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:04,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:34:04,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:04,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 14:34:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:04,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:04,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:04,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 14:34:04,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:04,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:34:04,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:04,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:04,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:04,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:04,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:34:04,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:04,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:34:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:04,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:04,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:04,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:34:04,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:04,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:34:04,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:04,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:04,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:34:04,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:04,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:34:04,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:34:04,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-29 14:34:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:04,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:04,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:04,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:34:04,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:04,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 14:34:04,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:04,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:04,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:04,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:04,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:34:04,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:04,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 14:34:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:04,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:04,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:04,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:34:04,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:04,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:34:04,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:04,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:04,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:04,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:04,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:34:04,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-29 14:34:04,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:34:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:04,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:04,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:04,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:34:04,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:04,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:34:04,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:04,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:04,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:34:04,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:04,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:34:04,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:04,472 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-29 14:34:04,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [475423353] [2020-10-29 14:34:04,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 14:34:04,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 14:34:04,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182728836] [2020-10-29 14:34:04,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 14:34:04,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:34:04,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 14:34:04,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2020-10-29 14:34:04,475 INFO L87 Difference]: Start difference. First operand 1986 states and 2877 transitions. Second operand 14 states. [2020-10-29 14:34:04,688 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-29 14:34:07,477 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-29 14:34:11,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:34:11,189 INFO L93 Difference]: Finished difference Result 6017 states and 8887 transitions. [2020-10-29 14:34:11,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-10-29 14:34:11,189 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 138 [2020-10-29 14:34:11,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:34:11,217 INFO L225 Difference]: With dead ends: 6017 [2020-10-29 14:34:11,217 INFO L226 Difference]: Without dead ends: 4055 [2020-10-29 14:34:11,226 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1442 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=872, Invalid=3418, Unknown=0, NotChecked=0, Total=4290 [2020-10-29 14:34:11,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4055 states. [2020-10-29 14:34:11,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4055 to 2071. [2020-10-29 14:34:11,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2071 states. [2020-10-29 14:34:11,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 3020 transitions. [2020-10-29 14:34:11,605 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 3020 transitions. Word has length 138 [2020-10-29 14:34:11,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:34:11,605 INFO L481 AbstractCegarLoop]: Abstraction has 2071 states and 3020 transitions. [2020-10-29 14:34:11,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 14:34:11,606 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 3020 transitions. [2020-10-29 14:34:11,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-29 14:34:11,617 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:34:11,618 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:34:11,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 14:34:11,618 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:34:11,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:34:11,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1200150354, now seen corresponding path program 1 times [2020-10-29 14:34:11,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:34:11,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539990371] [2020-10-29 14:34:11,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:34:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:11,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:11,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:11,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:11,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:11,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:11,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:12,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:16,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:16,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-29 14:34:16,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 14:34:16,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 14:34:16,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:16,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:16,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:34:16,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 14:34:16,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-29 14:34:16,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:16,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:34:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:16,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:16,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:16,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:34:16,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:16,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:34:16,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:16,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:16,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:34:16,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:16,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:34:16,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:16,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:34:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:16,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:16,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:16,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:34:16,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:16,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:34:16,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:16,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:16,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:16,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:16,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:34:16,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:16,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:34:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:16,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:16,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:16,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:17,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:17,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:17,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:21,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:21,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-29 14:34:21,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:34:21,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 14:34:21,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:21,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:21,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:34:21,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:34:21,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-29 14:34:21,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:22,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:34:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:22,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:22,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:22,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 14:34:22,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:22,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 14:34:22,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:22,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:22,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:34:22,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:34:22,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-29 14:34:22,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:22,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:34:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:22,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:22,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:22,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:34:22,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:22,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:34:22,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:22,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:22,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:22,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:22,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:34:22,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:22,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 14:34:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:22,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:22,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:22,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:34:22,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:22,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:34:22,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:22,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:22,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:22,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:22,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:34:22,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:22,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 14:34:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:22,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:22,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:22,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:34:22,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:22,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:34:22,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:22,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:22,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:22,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:22,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:34:22,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:22,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 14:34:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:22,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:22,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:22,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:34:22,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:22,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:34:22,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:22,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:22,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:22,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:22,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:34:22,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:22,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:34:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:22,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:22,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:22,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:34:22,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:22,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:34:22,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:22,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:34:22,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:22,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:34:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:22,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:22,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:22,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 14:34:22,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:22,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:34:22,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:22,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:22,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:22,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 14:34:22,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:22,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:34:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:22,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:22,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:22,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:34:22,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:22,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:34:22,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:22,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:22,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:34:22,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:22,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:34:22,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:22,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 14:34:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:22,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:22,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:22,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:34:22,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:22,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:34:22,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:22,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:22,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:22,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:22,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:34:22,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:22,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-29 14:34:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:22,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:22,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:22,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:34:22,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:22,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:34:22,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:22,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:22,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:22,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:22,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:34:22,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:22,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 14:34:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:22,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:22,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:22,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:34:22,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:22,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:34:22,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:22,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:22,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:34:22,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:22,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:34:22,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:22,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 14:34:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:22,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:22,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:22,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:34:22,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:22,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:34:22,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:22,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:22,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:22,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:22,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:34:22,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:22,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 14:34:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:22,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:22,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:22,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:34:22,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:22,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:34:22,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:22,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:22,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:22,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:22,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:34:22,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:22,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 14:34:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:22,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:22,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:22,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 14:34:22,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:22,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:34:22,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:22,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:22,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:22,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:22,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:34:22,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:22,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:34:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:22,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:22,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:22,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:34:22,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:22,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:34:22,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:22,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:22,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:34:22,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:22,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:34:22,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:22,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:34:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:22,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:22,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:22,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:34:22,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:22,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:34:22,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:22,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:22,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:22,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:22,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:34:22,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:22,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-29 14:34:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:22,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:22,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:22,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:34:22,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:22,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:34:22,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:22,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:22,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:22,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:22,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:34:22,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:22,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:34:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:22,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:22,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:22,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:34:22,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:22,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:34:22,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:22,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:22,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:34:22,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:22,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:34:22,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:22,399 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-29 14:34:22,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1539990371] [2020-10-29 14:34:22,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 14:34:22,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-29 14:34:22,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255043465] [2020-10-29 14:34:22,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-29 14:34:22,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:34:22,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-29 14:34:22,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2020-10-29 14:34:22,401 INFO L87 Difference]: Start difference. First operand 2071 states and 3020 transitions. Second operand 16 states. [2020-10-29 14:34:22,597 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-29 14:34:25,859 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-29 14:34:31,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:34:31,844 INFO L93 Difference]: Finished difference Result 7086 states and 10782 transitions. [2020-10-29 14:34:31,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2020-10-29 14:34:31,845 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 143 [2020-10-29 14:34:31,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:34:31,877 INFO L225 Difference]: With dead ends: 7086 [2020-10-29 14:34:31,877 INFO L226 Difference]: Without dead ends: 5059 [2020-10-29 14:34:31,893 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 112 SyntacticMatches, 1 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5157 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=2068, Invalid=10814, Unknown=0, NotChecked=0, Total=12882 [2020-10-29 14:34:31,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5059 states. [2020-10-29 14:34:32,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5059 to 2134. [2020-10-29 14:34:32,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2134 states. [2020-10-29 14:34:32,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 2134 states and 3120 transitions. [2020-10-29 14:34:32,519 INFO L78 Accepts]: Start accepts. Automaton has 2134 states and 3120 transitions. Word has length 143 [2020-10-29 14:34:32,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:34:32,519 INFO L481 AbstractCegarLoop]: Abstraction has 2134 states and 3120 transitions. [2020-10-29 14:34:32,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-29 14:34:32,520 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 3120 transitions. [2020-10-29 14:34:32,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-29 14:34:32,531 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:34:32,531 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:34:32,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 14:34:32,532 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:34:32,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:34:32,532 INFO L82 PathProgramCache]: Analyzing trace with hash 992862942, now seen corresponding path program 1 times [2020-10-29 14:34:32,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:34:32,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1053901659] [2020-10-29 14:34:32,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:34:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:32,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:32,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:32,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:32,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:33,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:36,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:37,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:37,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-29 14:34:37,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:34:37,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 14:34:37,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:37,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:37,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:34:37,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 14:34:37,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-29 14:34:37,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:37,687 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-29 14:34:37,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:34:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:37,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:37,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:37,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:34:37,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:37,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:34:37,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:37,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:37,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:34:37,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:37,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:34:37,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:37,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:34:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:37,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:37,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:37,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:34:37,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:37,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:34:37,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:37,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:34:37,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:37,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:34:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:37,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:37,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:37,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:38,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:38,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:42,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:42,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-29 14:34:42,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:34:42,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4457 [2020-10-29 14:34:42,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:42,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:42,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:34:42,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:34:42,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 176 [2020-10-29 14:34:42,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:42,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:34:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:42,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:42,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:42,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 14:34:42,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:42,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 14:34:42,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:42,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:42,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:34:42,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:34:42,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 14:34:42,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:42,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:34:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:42,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:42,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:42,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:34:42,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:42,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:34:42,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:42,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:42,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:42,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:42,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:34:42,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:42,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 14:34:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:42,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:42,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:42,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:34:42,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:42,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:34:42,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:42,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:42,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:42,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:42,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:34:42,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:42,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 14:34:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:42,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:42,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:42,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:34:42,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:42,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:34:42,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:42,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:42,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:42,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:42,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:34:42,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:42,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:34:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:42,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:42,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:42,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:34:42,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:42,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:34:42,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:42,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:42,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:42,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:42,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:34:42,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:42,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-29 14:34:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:42,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:42,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:42,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:34:42,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:42,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:34:42,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:42,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:42,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:42,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:42,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:34:42,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:42,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 14:34:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:42,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:42,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:42,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:34:42,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:42,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:34:42,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:42,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:42,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:42,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:42,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:34:42,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:42,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 14:34:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:42,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:42,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:42,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 14:34:42,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:42,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:34:42,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:42,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 14:34:42,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:42,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:34:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:42,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:42,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:42,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:34:42,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:42,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:34:42,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:42,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:42,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:34:42,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:42,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:34:42,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:42,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 14:34:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:42,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:42,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:42,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:34:42,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:42,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:34:42,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:42,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:42,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:42,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:42,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:34:42,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:42,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 14:34:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:42,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:42,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:42,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:34:42,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:42,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:34:42,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:42,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:42,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:42,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:42,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:34:42,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:42,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 14:34:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:42,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:42,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:42,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:34:42,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:42,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:34:42,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:42,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:42,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:34:42,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:42,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:34:42,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:42,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 14:34:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:42,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:42,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:42,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:34:42,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:42,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:34:42,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:42,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:34:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:34:42,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 14:34:42,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:42,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-29 14:34:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:42,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:42,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:42,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:34:42,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:42,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:34:42,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:42,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:42,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:42,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:42,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:34:42,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:42,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-29 14:34:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:42,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:42,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:42,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 14:34:42,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:42,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:34:42,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:42,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:42,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:42,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:42,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:34:42,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:42,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:34:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:42,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:42,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:42,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:34:42,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:42,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:34:42,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:42,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:42,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:34:42,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:42,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:34:42,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:42,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 14:34:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:42,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:42,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:42,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:34:42,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:42,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:34:42,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:42,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:42,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:42,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:42,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:34:42,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:42,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-29 14:34:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:42,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:42,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:42,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:34:42,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:42,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:34:42,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:42,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:42,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:34:42,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:42,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:34:42,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:42,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:34:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:34:42,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:34:42,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:34:42,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:34:42,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:34:42,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:34:42,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:34:42,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:34:42,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:34:42,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:34:42,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:34:42,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:34:42,717 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-10-29 14:34:42,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1053901659] [2020-10-29 14:34:42,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:34:42,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-29 14:34:42,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294553435] [2020-10-29 14:34:42,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 14:34:42,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:34:42,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 14:34:42,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-29 14:34:42,719 INFO L87 Difference]: Start difference. First operand 2134 states and 3120 transitions. Second operand 15 states. [2020-10-29 14:34:42,874 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-29 14:35:01,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:35:01,315 INFO L93 Difference]: Finished difference Result 7287 states and 11329 transitions. [2020-10-29 14:35:01,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2020-10-29 14:35:01,316 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 148 [2020-10-29 14:35:01,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:35:01,353 INFO L225 Difference]: With dead ends: 7287 [2020-10-29 14:35:01,354 INFO L226 Difference]: Without dead ends: 7278 [2020-10-29 14:35:01,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11459 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=3940, Invalid=22142, Unknown=0, NotChecked=0, Total=26082 [2020-10-29 14:35:01,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7278 states. [2020-10-29 14:35:02,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7278 to 2907. [2020-10-29 14:35:02,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2907 states. [2020-10-29 14:35:02,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4263 transitions. [2020-10-29 14:35:02,055 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4263 transitions. Word has length 148 [2020-10-29 14:35:02,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:35:02,056 INFO L481 AbstractCegarLoop]: Abstraction has 2907 states and 4263 transitions. [2020-10-29 14:35:02,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 14:35:02,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4263 transitions. [2020-10-29 14:35:02,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-29 14:35:02,070 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:35:02,070 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:35:02,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 14:35:02,071 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:35:02,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:35:02,071 INFO L82 PathProgramCache]: Analyzing trace with hash 924704012, now seen corresponding path program 1 times [2020-10-29 14:35:02,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:35:02,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1370065934] [2020-10-29 14:35:02,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:35:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:02,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:02,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:02,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:02,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:02,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:02,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:02,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:07,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:07,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-29 14:35:07,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 14:35:07,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 14:35:07,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:07,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:07,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:35:07,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 14:35:07,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-29 14:35:07,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:07,223 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-29 14:35:07,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:35:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:07,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:07,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:07,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:35:07,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:07,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:35:07,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:07,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:07,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:07,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:07,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:07,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:07,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:35:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:07,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:07,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:07,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:35:07,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:07,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:35:07,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:07,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:07,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:35:07,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:07,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:35:07,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:07,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:35:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:07,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:07,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:07,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:07,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:07,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:12,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:12,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-29 14:35:12,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:35:12,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 14:35:12,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:12,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:12,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:35:12,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-29 14:35:12,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 14:35:12,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:12,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:35:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:12,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:12,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:12,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-29 14:35:12,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:12,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:35:12,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:12,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:12,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:12,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:12,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:12,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:12,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:35:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:12,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:12,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:12,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:35:12,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:12,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:35:12,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:12,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:12,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:12,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:12,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:12,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:12,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 14:35:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:12,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:12,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:12,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:35:12,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:12,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:35:12,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:12,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:12,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:12,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:12,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:12,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:12,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 14:35:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:12,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:12,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:12,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:35:12,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:12,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:35:12,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:12,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:12,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:12,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:12,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:12,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:12,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:35:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:12,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:12,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:12,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:35:12,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:12,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:35:12,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:12,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:12,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:12,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:12,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:12,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:12,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 14:35:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:12,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:12,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:12,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:35:12,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:12,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:35:12,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:12,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:12,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:12,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:12,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:12,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:12,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 14:35:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:12,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:12,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:12,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:35:12,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:12,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:35:12,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:12,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:12,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:12,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:12,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:12,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:12,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 14:35:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:12,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:12,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:12,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:35:12,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:12,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:35:12,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:12,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:12,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:35:12,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:12,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:35:12,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:12,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 14:35:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:12,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:12,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:12,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 14:35:12,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:12,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:35:12,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:12,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:12,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:35:12,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:12,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 14:35:12,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:12,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:35:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:12,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:12,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:12,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:35:12,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:12,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:35:12,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:12,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:12,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:12,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:12,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:12,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:12,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-29 14:35:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:12,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:12,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:12,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:35:12,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:12,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:35:12,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:12,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:12,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:35:12,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:35:12,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 14:35:12,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:12,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 14:35:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:12,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:12,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:12,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:35:12,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:12,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:35:12,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:12,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:12,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:35:12,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:12,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:35:12,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:12,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 14:35:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:12,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:12,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:12,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:35:12,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:12,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:35:12,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:12,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:12,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:12,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:12,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:12,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:12,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 14:35:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:12,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:12,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:12,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:35:12,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:12,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:35:12,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:12,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:12,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:35:12,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:35:12,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 14:35:12,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:12,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 14:35:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:12,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:12,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:12,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:35:12,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:12,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:35:12,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:12,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:12,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:35:12,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:35:12,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 14:35:12,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:12,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-29 14:35:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:12,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:12,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:12,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 14:35:12,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:12,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:35:12,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:12,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:12,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:12,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 14:35:12,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:12,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:12,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:35:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:12,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:12,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:12,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:35:12,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:12,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:35:12,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:12,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:12,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:12,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:12,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:12,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:12,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-29 14:35:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:12,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:12,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:12,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:35:12,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:12,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:35:12,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:12,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:12,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:12,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-29 14:35:12,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:12,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:12,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-29 14:35:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:12,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:12,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:12,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:35:12,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:12,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:35:12,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:12,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:12,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:12,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 14:35:12,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:12,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:12,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:35:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:12,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:12,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:12,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:35:12,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:12,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:35:12,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:12,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:12,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:12,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:12,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:12,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:12,923 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-29 14:35:12,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1370065934] [2020-10-29 14:35:12,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 14:35:12,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-29 14:35:12,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367918926] [2020-10-29 14:35:12,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-29 14:35:12,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:35:12,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-29 14:35:12,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2020-10-29 14:35:12,925 INFO L87 Difference]: Start difference. First operand 2907 states and 4263 transitions. Second operand 18 states. [2020-10-29 14:35:13,076 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-29 14:35:13,284 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-29 14:35:27,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:35:27,019 INFO L93 Difference]: Finished difference Result 10245 states and 16584 transitions. [2020-10-29 14:35:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2020-10-29 14:35:27,019 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 153 [2020-10-29 14:35:27,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:35:27,047 INFO L225 Difference]: With dead ends: 10245 [2020-10-29 14:35:27,047 INFO L226 Difference]: Without dead ends: 7427 [2020-10-29 14:35:27,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 83 SyntacticMatches, 2 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9649 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=3487, Invalid=20383, Unknown=0, NotChecked=0, Total=23870 [2020-10-29 14:35:27,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7427 states. [2020-10-29 14:35:27,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7427 to 2935. [2020-10-29 14:35:27,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2935 states. [2020-10-29 14:35:27,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2935 states to 2935 states and 4299 transitions. [2020-10-29 14:35:27,764 INFO L78 Accepts]: Start accepts. Automaton has 2935 states and 4299 transitions. Word has length 153 [2020-10-29 14:35:27,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:35:27,766 INFO L481 AbstractCegarLoop]: Abstraction has 2935 states and 4299 transitions. [2020-10-29 14:35:27,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-29 14:35:27,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2935 states and 4299 transitions. [2020-10-29 14:35:27,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-29 14:35:27,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:35:27,780 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:35:27,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 14:35:27,780 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:35:27,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:35:27,781 INFO L82 PathProgramCache]: Analyzing trace with hash 577102730, now seen corresponding path program 1 times [2020-10-29 14:35:27,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:35:27,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1035459057] [2020-10-29 14:35:27,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:35:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:27,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:27,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:27,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:27,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:28,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:28,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:32,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:32,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-29 14:35:32,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:35:32,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 14:35:32,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:32,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:32,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 14:35:32,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-29 14:35:32,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 14:35:32,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:32,944 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-29 14:35:32,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:35:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:32,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:32,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:32,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:35:32,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:32,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:35:32,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:32,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:32,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:32,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:32,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:32,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:33,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:35:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:33,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:33,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:33,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:35:33,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:33,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:35:33,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:33,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:33,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:33,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:33,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:33,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:33,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:35:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:33,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:33,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:33,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:33,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:33,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:35,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:38,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:38,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-29 14:35:38,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:35:38,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 14:35:38,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:38,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:38,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 14:35:38,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-29 14:35:38,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 14:35:38,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:38,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:35:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:38,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:38,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:38,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-29 14:35:38,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:38,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 14:35:38,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:38,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:38,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:35:38,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:38,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-29 14:35:38,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:38,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:35:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:38,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:38,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:38,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:35:38,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:38,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:35:38,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:38,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:38,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:38,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:38,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:38,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:38,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 14:35:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:38,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:38,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:38,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:35:38,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:38,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:35:38,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:38,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:38,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:38,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:38,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:38,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:38,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 14:35:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:38,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:38,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:38,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:35:38,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:38,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:35:38,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:38,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:38,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:38,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:38,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:38,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:38,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:35:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:38,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:38,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:38,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:35:38,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:38,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:35:38,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:38,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:38,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:38,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:38,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:38,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:38,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 14:35:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:38,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:38,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:38,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:35:38,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:38,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:35:38,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:38,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:38,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:35:38,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:38,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:35:38,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:38,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 14:35:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:38,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:38,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:38,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:35:38,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:38,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:35:38,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:38,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:38,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:35:38,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:38,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:35:38,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:38,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 14:35:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:38,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:38,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:38,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:38,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:35:38,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:35:38,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 14:35:38,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:38,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:38,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:35:38,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:35:38,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 14:35:38,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:38,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 14:35:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:38,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:38,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:38,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 14:35:38,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:38,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:35:38,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:38,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:38,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:35:38,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:38,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 14:35:38,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:38,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:35:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:38,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:38,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:38,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:35:38,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:38,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:35:38,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:38,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:38,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:38,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:38,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:38,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:38,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-29 14:35:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:38,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:38,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:38,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:35:38,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:38,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:35:38,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:38,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:38,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:35:38,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:35:38,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 14:35:38,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:38,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 14:35:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:38,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:38,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:38,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:35:38,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:38,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:35:38,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:38,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:38,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:35:38,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:38,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:35:38,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:38,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 14:35:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:38,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:38,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:38,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:35:38,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:38,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:35:38,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:38,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:38,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:38,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 14:35:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:38,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:38,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:38,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:35:38,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:38,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 14:35:38,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:38,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:38,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:35:38,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:35:38,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 14:35:38,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:38,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 14:35:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:38,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:38,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:38,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:35:38,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:38,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:35:38,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:38,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:38,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:35:38,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:35:38,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 14:35:38,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:38,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-29 14:35:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:38,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:38,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:38,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 14:35:38,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:38,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:35:38,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:38,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:38,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:38,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 14:35:38,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:38,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:38,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:35:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:38,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:38,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:38,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:35:38,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:38,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:35:38,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:38,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:38,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:38,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:38,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:38,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:38,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-29 14:35:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:38,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:38,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:38,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:35:38,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:38,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:35:38,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:38,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:38,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:38,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-29 14:35:38,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:38,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:38,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-29 14:35:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:38,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:38,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:38,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:35:38,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:38,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:35:38,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:38,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:38,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:38,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 14:35:38,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:38,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:38,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:35:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:38,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:35:38,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:35:38,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:35:38,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:35:38,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:35:38,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:35:38,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:35:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:35:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:35:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:35:38,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:35:38,748 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-29 14:35:38,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1035459057] [2020-10-29 14:35:38,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 14:35:38,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-29 14:35:38,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000247820] [2020-10-29 14:35:38,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-29 14:35:38,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:35:38,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-29 14:35:38,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2020-10-29 14:35:38,751 INFO L87 Difference]: Start difference. First operand 2935 states and 4299 transitions. Second operand 18 states. [2020-10-29 14:35:38,895 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-29 14:35:42,142 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 103