/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=DEEPEST --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/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 23:19:19,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 23:19:19,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 23:19:19,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 23:19:19,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 23:19:19,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 23:19:19,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 23:19:19,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 23:19:19,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 23:19:19,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 23:19:19,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 23:19:19,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 23:19:19,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 23:19:19,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 23:19:19,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 23:19:19,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 23:19:19,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 23:19:19,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 23:19:19,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 23:19:19,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 23:19:19,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 23:19:19,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 23:19:19,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 23:19:19,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 23:19:19,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 23:19:19,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 23:19:19,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 23:19:19,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 23:19:19,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 23:19:19,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 23:19:19,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 23:19:19,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 23:19:19,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 23:19:19,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 23:19:19,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 23:19:19,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 23:19:19,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 23:19:19,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 23:19:19,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 23:19:19,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 23:19:19,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 23:19:19,726 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 [2020-10-27 23:19:19,774 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 23:19:19,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 23:19:19,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 23:19:19,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 23:19:19,778 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 23:19:19,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 23:19:19,779 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 23:19:19,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 23:19:19,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 23:19:19,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 23:19:19,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 23:19:19,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 23:19:19,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 23:19:19,783 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 23:19:19,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 23:19:19,783 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 23:19:19,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 23:19:19,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 23:19:19,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 23:19:19,784 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 23:19:19,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 23:19:19,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 23:19:19,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 23:19:19,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 23:19:19,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 23:19:19,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 23:19:19,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 23:19:19,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 23:19:19,785 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 23:19:19,786 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 23:19:20,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 23:19:20,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 23:19:20,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 23:19:20,206 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 23:19:20,207 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 23:19:20,208 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.BOUNDED-10.pals.c [2020-10-27 23:19:20,287 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/137b03a09/e38dcfa5827e4d3c8283cc3723c3d072/FLAG5812ff73d [2020-10-27 23:19:20,904 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 23:19:20,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.BOUNDED-10.pals.c [2020-10-27 23:19:20,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/137b03a09/e38dcfa5827e4d3c8283cc3723c3d072/FLAG5812ff73d [2020-10-27 23:19:21,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/137b03a09/e38dcfa5827e4d3c8283cc3723c3d072 [2020-10-27 23:19:21,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 23:19:21,176 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 23:19:21,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 23:19:21,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 23:19:21,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 23:19:21,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 11:19:21" (1/1) ... [2020-10-27 23:19:21,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ccab3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:21, skipping insertion in model container [2020-10-27 23:19:21,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 11:19:21" (1/1) ... [2020-10-27 23:19:21,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 23:19:21,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 23:19:21,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 23:19:21,533 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 23:19:21,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 23:19:21,682 INFO L208 MainTranslator]: Completed translation [2020-10-27 23:19:21,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:21 WrapperNode [2020-10-27 23:19:21,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 23:19:21,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 23:19:21,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 23:19:21,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 23:19:21,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:21" (1/1) ... [2020-10-27 23:19:21,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:21" (1/1) ... [2020-10-27 23:19:21,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:21" (1/1) ... [2020-10-27 23:19:21,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:21" (1/1) ... [2020-10-27 23:19:21,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:21" (1/1) ... [2020-10-27 23:19:21,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:21" (1/1) ... [2020-10-27 23:19:21,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:21" (1/1) ... [2020-10-27 23:19:21,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 23:19:21,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 23:19:21,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 23:19:21,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 23:19:21,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:21" (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 [2020-10-27 23:19:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 23:19:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 23:19:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 23:19:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2020-10-27 23:19:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2020-10-27 23:19:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2020-10-27 23:19:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_int8 [2020-10-27 23:19:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2020-10-27 23:19:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-27 23:19:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-27 23:19:21,834 INFO L138 BoogieDeclarations]: Found implementation of procedure gate1_each_pals_period [2020-10-27 23:19:21,834 INFO L138 BoogieDeclarations]: Found implementation of procedure gate2_each_pals_period [2020-10-27 23:19:21,834 INFO L138 BoogieDeclarations]: Found implementation of procedure gate3_each_pals_period [2020-10-27 23:19:21,834 INFO L138 BoogieDeclarations]: Found implementation of procedure voter [2020-10-27 23:19:21,834 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 23:19:21,834 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-27 23:19:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 23:19:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 23:19:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 23:19:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 23:19:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-27 23:19:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-27 23:19:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-27 23:19:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-27 23:19:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-27 23:19:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2020-10-27 23:19:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2020-10-27 23:19:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2020-10-27 23:19:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_int8 [2020-10-27 23:19:21,837 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2020-10-27 23:19:21,837 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-27 23:19:21,837 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-27 23:19:21,837 INFO L130 BoogieDeclarations]: Found specification of procedure gate1_each_pals_period [2020-10-27 23:19:21,837 INFO L130 BoogieDeclarations]: Found specification of procedure gate2_each_pals_period [2020-10-27 23:19:21,837 INFO L130 BoogieDeclarations]: Found specification of procedure gate3_each_pals_period [2020-10-27 23:19:21,837 INFO L130 BoogieDeclarations]: Found specification of procedure voter [2020-10-27 23:19:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 23:19:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 23:19:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 23:19:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 23:19:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 23:19:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 23:19:21,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 23:19:22,815 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 23:19:22,816 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-27 23:19:22,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 11:19:22 BoogieIcfgContainer [2020-10-27 23:19:22,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 23:19:22,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 23:19:22,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 23:19:22,824 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 23:19:22,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 11:19:21" (1/3) ... [2020-10-27 23:19:22,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b0699d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 11:19:22, skipping insertion in model container [2020-10-27 23:19:22,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:21" (2/3) ... [2020-10-27 23:19:22,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b0699d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 11:19:22, skipping insertion in model container [2020-10-27 23:19:22,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 11:19:22" (3/3) ... [2020-10-27 23:19:22,827 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.ufo.BOUNDED-10.pals.c [2020-10-27 23:19:22,841 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 23:19:22,847 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 23:19:22,861 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 23:19:22,891 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 23:19:22,891 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 23:19:22,891 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 23:19:22,892 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 23:19:22,892 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 23:19:22,892 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 23:19:22,892 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 23:19:22,892 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 23:19:22,915 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states. [2020-10-27 23:19:22,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-27 23:19:22,923 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:22,924 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] [2020-10-27 23:19:22,925 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:22,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:22,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1772179392, now seen corresponding path program 1 times [2020-10-27 23:19:22,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:22,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2143276284] [2020-10-27 23:19:22,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:23,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:23,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:23,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 23:19:23,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:23,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 357 [2020-10-27 23:19:23,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:23,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:23,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 23:19:23,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 23:19:23,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 23:19:23,772 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:23,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:23,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:23,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:23,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:23,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:23,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 23:19:23,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:23,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:23,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:23,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:23,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:23,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:19:23,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2143276284] [2020-10-27 23:19:23,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:23,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 23:19:23,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645795318] [2020-10-27 23:19:23,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 23:19:23,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:23,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 23:19:23,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 23:19:23,862 INFO L87 Difference]: Start difference. First operand 217 states. Second operand 5 states. [2020-10-27 23:19:24,113 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:24,293 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 23:19:24,515 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:19:25,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:25,906 INFO L93 Difference]: Finished difference Result 434 states and 709 transitions. [2020-10-27 23:19:25,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 23:19:25,913 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-27 23:19:25,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:25,931 INFO L225 Difference]: With dead ends: 434 [2020-10-27 23:19:25,932 INFO L226 Difference]: Without dead ends: 221 [2020-10-27 23:19:25,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-27 23:19:25,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-10-27 23:19:26,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 215. [2020-10-27 23:19:26,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-10-27 23:19:26,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 319 transitions. [2020-10-27 23:19:26,085 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 319 transitions. Word has length 22 [2020-10-27 23:19:26,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:26,086 INFO L481 AbstractCegarLoop]: Abstraction has 215 states and 319 transitions. [2020-10-27 23:19:26,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 23:19:26,087 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 319 transitions. [2020-10-27 23:19:26,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-27 23:19:26,094 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:26,095 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] [2020-10-27 23:19:26,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 23:19:26,095 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:26,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:26,096 INFO L82 PathProgramCache]: Analyzing trace with hash -441145701, now seen corresponding path program 1 times [2020-10-27 23:19:26,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:26,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1815788145] [2020-10-27 23:19:26,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:26,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:26,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:26,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:26,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:26,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 23:19:26,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:19:26,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 591 [2020-10-27 23:19:26,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:26,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:26,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-27 23:19:26,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:19:26,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:19:26,950 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:26,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:26,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:26,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:26,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:26,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:26,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 23:19:26,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:26,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:26,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:26,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:26,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:26,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:19:26,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1815788145] [2020-10-27 23:19:26,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:26,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 23:19:26,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334684667] [2020-10-27 23:19:26,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 23:19:26,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:27,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 23:19:27,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 23:19:27,010 INFO L87 Difference]: Start difference. First operand 215 states and 319 transitions. Second operand 5 states. [2020-10-27 23:19:27,264 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:27,466 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 23:19:27,744 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:29,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:29,131 INFO L93 Difference]: Finished difference Result 434 states and 656 transitions. [2020-10-27 23:19:29,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 23:19:29,137 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-27 23:19:29,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:29,141 INFO L225 Difference]: With dead ends: 434 [2020-10-27 23:19:29,141 INFO L226 Difference]: Without dead ends: 228 [2020-10-27 23:19:29,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-27 23:19:29,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-10-27 23:19:29,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2020-10-27 23:19:29,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-10-27 23:19:29,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 327 transitions. [2020-10-27 23:19:29,202 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 327 transitions. Word has length 23 [2020-10-27 23:19:29,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:29,203 INFO L481 AbstractCegarLoop]: Abstraction has 222 states and 327 transitions. [2020-10-27 23:19:29,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 23:19:29,203 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 327 transitions. [2020-10-27 23:19:29,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-27 23:19:29,204 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:29,204 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:19:29,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 23:19:29,205 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:29,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:29,206 INFO L82 PathProgramCache]: Analyzing trace with hash 252662700, now seen corresponding path program 1 times [2020-10-27 23:19:29,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:29,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1009216495] [2020-10-27 23:19:29,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:29,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:29,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:29,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:29,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:29,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 23:19:29,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:19:29,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 332 [2020-10-27 23:19:29,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 23:19:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 23:19:29,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:29,786 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:29,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:29,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:29,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:29,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:29,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:29,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 23:19:29,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:29,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:29,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:29,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:29,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:29,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:19:29,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1009216495] [2020-10-27 23:19:29,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:29,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 23:19:29,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583690286] [2020-10-27 23:19:29,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 23:19:29,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:29,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 23:19:29,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 23:19:29,833 INFO L87 Difference]: Start difference. First operand 222 states and 327 transitions. Second operand 5 states. [2020-10-27 23:19:30,148 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:30,327 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 23:19:31,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:31,541 INFO L93 Difference]: Finished difference Result 437 states and 662 transitions. [2020-10-27 23:19:31,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 23:19:31,543 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-27 23:19:31,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:31,546 INFO L225 Difference]: With dead ends: 437 [2020-10-27 23:19:31,546 INFO L226 Difference]: Without dead ends: 224 [2020-10-27 23:19:31,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 23:19:31,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-10-27 23:19:31,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 220. [2020-10-27 23:19:31,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-10-27 23:19:31,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 323 transitions. [2020-10-27 23:19:31,585 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 323 transitions. Word has length 23 [2020-10-27 23:19:31,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:31,585 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 323 transitions. [2020-10-27 23:19:31,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 23:19:31,586 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 323 transitions. [2020-10-27 23:19:31,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-27 23:19:31,587 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:31,587 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] [2020-10-27 23:19:31,587 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 23:19:31,588 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:31,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:31,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1514494297, now seen corresponding path program 1 times [2020-10-27 23:19:31,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:31,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [65457977] [2020-10-27 23:19:31,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:31,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:31,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:31,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:31,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:31,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 23:19:31,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:19:31,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 358 [2020-10-27 23:19:31,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:31,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:31,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 23:19:31,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:19:31,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:32,144 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:32,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:32,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:32,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:32,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:32,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:32,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:19:32,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:32,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:32,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:32,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:32,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:32,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:19:32,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [65457977] [2020-10-27 23:19:32,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:32,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 23:19:32,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986343559] [2020-10-27 23:19:32,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 23:19:32,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:32,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 23:19:32,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 23:19:32,172 INFO L87 Difference]: Start difference. First operand 220 states and 323 transitions. Second operand 5 states. [2020-10-27 23:19:32,429 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:19:32,642 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:19:33,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:33,882 INFO L93 Difference]: Finished difference Result 429 states and 639 transitions. [2020-10-27 23:19:33,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 23:19:33,882 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-27 23:19:33,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:33,885 INFO L225 Difference]: With dead ends: 429 [2020-10-27 23:19:33,886 INFO L226 Difference]: Without dead ends: 218 [2020-10-27 23:19:33,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 23:19:33,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-10-27 23:19:33,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 214. [2020-10-27 23:19:33,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-10-27 23:19:33,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 309 transitions. [2020-10-27 23:19:33,945 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 309 transitions. Word has length 24 [2020-10-27 23:19:33,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:33,945 INFO L481 AbstractCegarLoop]: Abstraction has 214 states and 309 transitions. [2020-10-27 23:19:33,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 23:19:33,945 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 309 transitions. [2020-10-27 23:19:33,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-27 23:19:33,956 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:33,956 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] [2020-10-27 23:19:33,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 23:19:33,956 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:33,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:33,957 INFO L82 PathProgramCache]: Analyzing trace with hash -615799261, now seen corresponding path program 1 times [2020-10-27 23:19:33,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:33,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1724037564] [2020-10-27 23:19:33,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:34,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:34,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:34,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:34,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:37,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:37,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-27 23:19:37,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:19:37,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3060 [2020-10-27 23:19:37,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:37,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:37,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 23:19:37,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 23:19:37,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:37,282 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:37,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:37,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:37,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:37,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:37,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:37,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 23:19:37,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:37,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:37,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:19:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:37,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:37,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:37,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:37,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:37,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:19:37,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:19:37,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 23:19:37,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:37,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:19:37,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:19:37,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:19:37,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:37,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:37,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:37,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:37,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:37,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:37,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:19:37,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:19:37,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:37,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:19:37,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:19:37,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 23:19:37,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:37,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:19:37,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1724037564] [2020-10-27 23:19:37,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:37,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 23:19:37,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014848131] [2020-10-27 23:19:37,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 23:19:37,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:37,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 23:19:37,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 23:19:37,436 INFO L87 Difference]: Start difference. First operand 214 states and 309 transitions. Second operand 8 states. [2020-10-27 23:19:37,641 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:19:38,259 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:38,430 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 23:19:39,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:39,762 INFO L93 Difference]: Finished difference Result 449 states and 662 transitions. [2020-10-27 23:19:39,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 23:19:39,762 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2020-10-27 23:19:39,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:39,765 INFO L225 Difference]: With dead ends: 449 [2020-10-27 23:19:39,765 INFO L226 Difference]: Without dead ends: 244 [2020-10-27 23:19:39,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-27 23:19:39,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-10-27 23:19:39,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 219. [2020-10-27 23:19:39,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2020-10-27 23:19:39,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 313 transitions. [2020-10-27 23:19:39,794 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 313 transitions. Word has length 34 [2020-10-27 23:19:39,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:39,794 INFO L481 AbstractCegarLoop]: Abstraction has 219 states and 313 transitions. [2020-10-27 23:19:39,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 23:19:39,794 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 313 transitions. [2020-10-27 23:19:39,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-27 23:19:39,796 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:39,796 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:19:39,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 23:19:39,796 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:39,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:39,797 INFO L82 PathProgramCache]: Analyzing trace with hash 646376997, now seen corresponding path program 1 times [2020-10-27 23:19:39,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:39,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [550930484] [2020-10-27 23:19:39,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:39,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:39,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:39,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:39,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:40,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:44,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:44,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 23:19:44,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:19:44,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 23:19:44,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:44,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:44,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-27 23:19:44,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:19:44,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:45,009 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:45,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:45,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:45,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:45,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:45,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:45,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:19:45,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:45,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:45,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:45,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:45,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:45,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:19:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:45,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:45,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:45,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:45,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:45,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:45,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:19:45,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:19:45,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-27 23:19:45,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:45,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:19:45,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 23:19:45,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:19:45,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:45,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:45,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:45,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:45,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:45,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:45,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:19:45,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:19:45,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 23:19:45,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:45,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:45,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:19:45,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:19:45,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:45,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 23:19:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:45,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:45,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:45,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:19:45,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:45,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:19:45,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:45,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:45,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:45,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:45,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:45,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:45,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:45,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:45,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:45,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:45,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:45,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:45,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:45,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:45,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:45,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:45,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:19:45,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [550930484] [2020-10-27 23:19:45,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:19:45,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 23:19:45,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753333262] [2020-10-27 23:19:45,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:19:45,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:45,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:19:45,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:19:45,348 INFO L87 Difference]: Start difference. First operand 219 states and 313 transitions. Second operand 11 states. [2020-10-27 23:19:45,548 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:19:45,769 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:19:46,473 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:46,638 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 23:19:48,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:48,387 INFO L93 Difference]: Finished difference Result 490 states and 720 transitions. [2020-10-27 23:19:48,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 23:19:48,388 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 52 [2020-10-27 23:19:48,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:48,391 INFO L225 Difference]: With dead ends: 490 [2020-10-27 23:19:48,391 INFO L226 Difference]: Without dead ends: 280 [2020-10-27 23:19:48,392 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2020-10-27 23:19:48,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-10-27 23:19:48,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 242. [2020-10-27 23:19:48,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-27 23:19:48,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 347 transitions. [2020-10-27 23:19:48,433 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 347 transitions. Word has length 52 [2020-10-27 23:19:48,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:48,435 INFO L481 AbstractCegarLoop]: Abstraction has 242 states and 347 transitions. [2020-10-27 23:19:48,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:19:48,436 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 347 transitions. [2020-10-27 23:19:48,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-27 23:19:48,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:48,438 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-27 23:19:48,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 23:19:48,438 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:48,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:48,440 INFO L82 PathProgramCache]: Analyzing trace with hash 772990416, now seen corresponding path program 1 times [2020-10-27 23:19:48,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:48,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [926601598] [2020-10-27 23:19:48,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:48,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:48,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:49,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:49,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 23:19:49,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:19:49,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 625 [2020-10-27 23:19:49,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:49,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:49,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-27 23:19:49,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:19:49,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:49,306 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:49,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:49,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:49,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:49,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:49,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:49,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:19:49,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:49,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:49,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:49,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:49,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:49,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:19:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:49,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:49,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:49,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:19:49,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:49,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 23:19:49,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:49,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:49,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:49,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:49,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:49,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:49,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:49,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:49,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:19:49,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:49,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:19:49,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:49,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:49,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:49,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:49,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:49,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:19:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:49,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:49,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:49,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:49,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:49,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:49,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:49,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:49,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:49,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:49,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:49,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:19:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:49,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:49,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:49,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:19:49,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:49,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:19:49,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:49,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:49,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:49,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:49,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:49,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:49,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:49,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:49,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:49,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:49,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:49,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:49,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:49,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:49,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:49,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:49,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 23:19:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:49,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:49,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:49,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:19:49,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:49,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:19:49,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:49,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:49,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:49,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:49,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:49,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:49,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:49,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:49,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:49,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:49,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:49,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:49,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:49,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:49,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:49,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:49,523 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 23:19:49,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [926601598] [2020-10-27 23:19:49,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:19:49,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 23:19:49,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968111829] [2020-10-27 23:19:49,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 23:19:49,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:49,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 23:19:49,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-27 23:19:49,525 INFO L87 Difference]: Start difference. First operand 242 states and 347 transitions. Second operand 8 states. [2020-10-27 23:19:50,205 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:50,372 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 23:19:51,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:51,337 INFO L93 Difference]: Finished difference Result 419 states and 598 transitions. [2020-10-27 23:19:51,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 23:19:51,338 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 67 [2020-10-27 23:19:51,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:51,342 INFO L225 Difference]: With dead ends: 419 [2020-10-27 23:19:51,342 INFO L226 Difference]: Without dead ends: 243 [2020-10-27 23:19:51,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-27 23:19:51,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-10-27 23:19:51,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 241. [2020-10-27 23:19:51,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-10-27 23:19:51,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 342 transitions. [2020-10-27 23:19:51,375 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 342 transitions. Word has length 67 [2020-10-27 23:19:51,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:51,375 INFO L481 AbstractCegarLoop]: Abstraction has 241 states and 342 transitions. [2020-10-27 23:19:51,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 23:19:51,376 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 342 transitions. [2020-10-27 23:19:51,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-27 23:19:51,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:51,378 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:19:51,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 23:19:51,378 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:51,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:51,378 INFO L82 PathProgramCache]: Analyzing trace with hash -301510942, now seen corresponding path program 1 times [2020-10-27 23:19:51,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:51,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1579292434] [2020-10-27 23:19:51,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:51,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:51,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:51,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:51,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 23:19:51,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:19:51,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 445 [2020-10-27 23:19:51,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:51,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:51,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-27 23:19:51,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 23:19:51,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:52,005 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:52,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:52,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:52,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:52,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:52,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:52,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:19:52,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:52,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:52,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:52,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:52,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:52,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:19:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:52,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:52,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:52,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:19:52,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:52,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:19:52,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:52,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:52,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:52,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:52,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:52,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:52,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:52,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:52,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:19:52,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:52,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:19:52,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:52,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:52,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:52,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:52,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:52,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:19:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:52,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:52,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:52,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:52,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:52,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:52,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:52,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:52,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:52,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:52,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:52,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:19:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:52,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:52,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:52,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:19:52,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:52,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:19:52,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:52,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:52,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:52,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:52,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:52,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:52,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:52,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:52,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:52,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:52,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:52,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:52,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:52,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 23:19:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:52,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:52,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:52,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:19:52,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:52,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 23:19:52,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:52,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:52,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:52,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:52,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:52,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:52,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:52,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:52,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:52,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:52,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:52,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:52,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:52,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:52,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:19:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:52,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:52,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:52,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:19:52,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:52,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:19:52,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:52,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:52,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:52,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:52,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:52,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:52,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:52,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:52,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:19:52,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:52,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:19:52,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:52,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:52,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:52,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:52,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:52,319 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-27 23:19:52,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1579292434] [2020-10-27 23:19:52,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:52,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 23:19:52,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852375949] [2020-10-27 23:19:52,322 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 23:19:52,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:52,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 23:19:52,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-27 23:19:52,325 INFO L87 Difference]: Start difference. First operand 241 states and 342 transitions. Second operand 9 states. [2020-10-27 23:19:53,236 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:19:53,414 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:19:54,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:54,229 INFO L93 Difference]: Finished difference Result 415 states and 586 transitions. [2020-10-27 23:19:54,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 23:19:54,230 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2020-10-27 23:19:54,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:54,234 INFO L225 Difference]: With dead ends: 415 [2020-10-27 23:19:54,234 INFO L226 Difference]: Without dead ends: 240 [2020-10-27 23:19:54,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2020-10-27 23:19:54,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-10-27 23:19:54,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2020-10-27 23:19:54,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-10-27 23:19:54,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 339 transitions. [2020-10-27 23:19:54,260 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 339 transitions. Word has length 81 [2020-10-27 23:19:54,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:54,261 INFO L481 AbstractCegarLoop]: Abstraction has 240 states and 339 transitions. [2020-10-27 23:19:54,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 23:19:54,261 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 339 transitions. [2020-10-27 23:19:54,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-27 23:19:54,263 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:54,263 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:19:54,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 23:19:54,263 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:54,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:54,264 INFO L82 PathProgramCache]: Analyzing trace with hash 272037062, now seen corresponding path program 1 times [2020-10-27 23:19:54,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:54,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1908107161] [2020-10-27 23:19:54,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:54,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:54,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:54,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:54,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:55,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:55,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:55,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-27 23:19:57,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 23:19:57,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3579 [2020-10-27 23:19:57,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:57,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-27 23:19:57,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 23:19:57,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:58,048 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:58,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:58,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:58,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:58,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:58,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:58,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:19:58,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:58,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:58,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:58,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:58,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:58,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:19:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:58,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:58,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:58,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:19:58,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:58,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:19:58,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:58,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:58,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:58,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:58,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:58,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:58,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:58,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:58,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:19:58,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:58,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:58,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:58,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:58,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:58,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:58,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:58,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:19:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:58,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:58,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:58,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:58,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:58,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:19:58,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:58,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:58,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:58,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:58,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:58,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:19:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:58,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:58,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:58,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:19:58,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:58,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:19:58,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:58,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:58,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:58,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:58,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:58,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:58,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:58,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:58,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:58,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:58,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:58,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:58,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:58,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:58,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:58,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:58,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 23:19:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:58,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:58,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:58,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:19:58,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:58,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:19:58,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:58,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:58,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:58,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:58,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:58,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:58,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:58,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:58,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:58,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:58,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:58,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:58,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:58,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:58,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:58,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:58,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:19:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:58,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:58,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:58,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:19:58,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:58,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:19:58,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:58,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:58,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:58,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:58,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:58,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:58,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:58,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:58,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:19:58,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:58,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:58,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:58,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:58,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:58,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:58,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:58,306 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-27 23:19:58,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1908107161] [2020-10-27 23:19:58,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:58,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 23:19:58,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116575781] [2020-10-27 23:19:58,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 23:19:58,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:58,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 23:19:58,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-27 23:19:58,309 INFO L87 Difference]: Start difference. First operand 240 states and 339 transitions. Second operand 9 states. [2020-10-27 23:19:58,465 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:19:59,365 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:19:59,616 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:20:01,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:01,817 INFO L93 Difference]: Finished difference Result 740 states and 1030 transitions. [2020-10-27 23:20:01,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 23:20:01,818 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2020-10-27 23:20:01,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:01,824 INFO L225 Difference]: With dead ends: 740 [2020-10-27 23:20:01,824 INFO L226 Difference]: Without dead ends: 566 [2020-10-27 23:20:01,826 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=191, Invalid=409, Unknown=0, NotChecked=0, Total=600 [2020-10-27 23:20:01,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2020-10-27 23:20:01,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 426. [2020-10-27 23:20:01,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-10-27 23:20:01,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 605 transitions. [2020-10-27 23:20:01,895 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 605 transitions. Word has length 82 [2020-10-27 23:20:01,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:01,895 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 605 transitions. [2020-10-27 23:20:01,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 23:20:01,896 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 605 transitions. [2020-10-27 23:20:01,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-27 23:20:01,900 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:01,900 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-27 23:20:01,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 23:20:01,901 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:01,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:01,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1945040586, now seen corresponding path program 1 times [2020-10-27 23:20:01,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:01,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [103097456] [2020-10-27 23:20:01,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:01,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:01,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:02,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:02,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:03,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:03,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:06,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:06,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-27 23:20:06,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 23:20:06,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 23:20:06,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:06,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:06,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-27 23:20:06,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:20:06,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,103 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:07,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:07,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:07,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:07,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:07,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:07,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:07,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:07,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:07,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:20:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:07,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:20:07,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:07,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:07,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 23:20:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:07,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:07,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:07,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:07,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:20:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:07,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:07,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:07,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:07,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 23:20:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:20:07,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:07,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:07,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:07,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 23:20:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 23:20:07,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:20:07,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 23:20:07,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:07,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:20:07,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:20:07,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:07,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:20:07,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:20:07,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:07,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:20:07,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:07,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 23:20:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:07,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:07,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:07,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:20:07,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:07,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 23:20:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:07,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:07,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:20:07,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,548 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 23:20:07,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [103097456] [2020-10-27 23:20:07,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:20:07,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 23:20:07,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052814102] [2020-10-27 23:20:07,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 23:20:07,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:07,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 23:20:07,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-27 23:20:07,551 INFO L87 Difference]: Start difference. First operand 426 states and 605 transitions. Second operand 13 states. [2020-10-27 23:20:07,783 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:20:07,977 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:20:08,176 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:20:08,364 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:20:09,694 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:20:09,930 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:20:10,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:10,812 INFO L93 Difference]: Finished difference Result 891 states and 1300 transitions. [2020-10-27 23:20:10,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 23:20:10,813 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 118 [2020-10-27 23:20:10,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:10,818 INFO L225 Difference]: With dead ends: 891 [2020-10-27 23:20:10,818 INFO L226 Difference]: Without dead ends: 462 [2020-10-27 23:20:10,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2020-10-27 23:20:10,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2020-10-27 23:20:10,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2020-10-27 23:20:10,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-10-27 23:20:10,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 635 transitions. [2020-10-27 23:20:10,874 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 635 transitions. Word has length 118 [2020-10-27 23:20:10,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:10,876 INFO L481 AbstractCegarLoop]: Abstraction has 462 states and 635 transitions. [2020-10-27 23:20:10,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 23:20:10,876 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 635 transitions. [2020-10-27 23:20:10,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-27 23:20:10,879 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:10,880 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:20:10,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 23:20:10,880 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:10,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:10,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1567997588, now seen corresponding path program 1 times [2020-10-27 23:20:10,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:10,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [575926742] [2020-10-27 23:20:10,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:10,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:10,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:11,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-27 23:20:12,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:20:12,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1593 [2020-10-27 23:20:12,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 23:20:12,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 147 [2020-10-27 23:20:12,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:20:12,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:12,717 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:12,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:12,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:12,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:12,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:20:12,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:12,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:12,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:12,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:12,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:12,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:12,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:12,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:12,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:12,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:12,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:12,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:12,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:12,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:12,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:12,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:12,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:12,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:12,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:12,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:12,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:12,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:12,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:12,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:12,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:12,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:12,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:12,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:12,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:20:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:12,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:12,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:12,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:12,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:12,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:12,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:12,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:12,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:12,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:12,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:12,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:12,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:12,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:12,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:12,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:12,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 23:20:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:12,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:12,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:12,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:20:12,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:12,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:12,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:12,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:12,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:12,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:12,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:12,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:12,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:12,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:12,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:12,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:12,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:20:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:12,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:12,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:12,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:12,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:12,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:12,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:12,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:12,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:12,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:12,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:12,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:12,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:12,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:12,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:12,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 23:20:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:20:13,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:13,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:13,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:13,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 23:20:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 23:20:13,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 23:20:13,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:13,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 23:20:13,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:13,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:13,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:13,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:13,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:20:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:13,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:13,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 23:20:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:13,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:13,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,207 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-27 23:20:13,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [575926742] [2020-10-27 23:20:13,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:13,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 23:20:13,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036062426] [2020-10-27 23:20:13,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 23:20:13,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:13,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 23:20:13,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-27 23:20:13,210 INFO L87 Difference]: Start difference. First operand 462 states and 635 transitions. Second operand 14 states. [2020-10-27 23:20:15,271 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:20:15,458 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:20:15,628 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:20:16,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:16,300 INFO L93 Difference]: Finished difference Result 491 states and 679 transitions. [2020-10-27 23:20:16,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 23:20:16,300 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 120 [2020-10-27 23:20:16,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:16,305 INFO L225 Difference]: With dead ends: 491 [2020-10-27 23:20:16,306 INFO L226 Difference]: Without dead ends: 488 [2020-10-27 23:20:16,306 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2020-10-27 23:20:16,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-10-27 23:20:16,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 474. [2020-10-27 23:20:16,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2020-10-27 23:20:16,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 648 transitions. [2020-10-27 23:20:16,357 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 648 transitions. Word has length 120 [2020-10-27 23:20:16,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:16,357 INFO L481 AbstractCegarLoop]: Abstraction has 474 states and 648 transitions. [2020-10-27 23:20:16,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 23:20:16,358 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 648 transitions. [2020-10-27 23:20:16,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-27 23:20:16,360 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:16,361 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:20:16,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 23:20:16,361 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:16,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:16,361 INFO L82 PathProgramCache]: Analyzing trace with hash -807679567, now seen corresponding path program 1 times [2020-10-27 23:20:16,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:16,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [830976309] [2020-10-27 23:20:16,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:16,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-27 23:20:21,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:20:21,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 23:20:21,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 23:20:21,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 23:20:21,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 23:20:21,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:21,591 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:21,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:21,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:21,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:21,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:21,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:20:21,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:21,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:21,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:21,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:21,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:21,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:21,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:21,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:20:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:21,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:21,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:21,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:21,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:21,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:21,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 23:20:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:21,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:20:21,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:21,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:21,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:21,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:21,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:20:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:21,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:21,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:21,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:21,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:21,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:21,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 23:20:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:20:21,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:21,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:21,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:21,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:21,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:21,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 23:20:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:22,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:22,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-27 23:20:22,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:22,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 23:20:22,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:22,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 23:20:22,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 23:20:22,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 23:20:22,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:22,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:22,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:22,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:22,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:22,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:22,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:20:22,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:22,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:22,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:22,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:22,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:22,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:20:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:22,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:22,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:22,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:22,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:22,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 23:20:22,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:22,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:22,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:22,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:22,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:22,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 23:20:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:22,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:22,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:22,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:22,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:22,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:22,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:22,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:22,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 23:20:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:22,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:22,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:22,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:22,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:22,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:20:22,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:22,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:20:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:22,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:22,311 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-27 23:20:22,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [830976309] [2020-10-27 23:20:22,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:22,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-27 23:20:22,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142446589] [2020-10-27 23:20:22,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 23:20:22,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:22,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 23:20:22,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-10-27 23:20:22,314 INFO L87 Difference]: Start difference. First operand 474 states and 648 transitions. Second operand 15 states. [2020-10-27 23:20:22,695 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:20:24,402 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:20:24,619 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 23:20:24,836 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 23:20:25,046 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 23:20:25,756 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 23:20:26,017 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-27 23:20:26,273 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-27 23:20:27,358 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 23:20:28,305 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-27 23:20:28,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:28,991 INFO L93 Difference]: Finished difference Result 1421 states and 1977 transitions. [2020-10-27 23:20:28,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 23:20:28,992 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 128 [2020-10-27 23:20:28,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:29,000 INFO L225 Difference]: With dead ends: 1421 [2020-10-27 23:20:29,000 INFO L226 Difference]: Without dead ends: 1022 [2020-10-27 23:20:29,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=262, Invalid=668, Unknown=0, NotChecked=0, Total=930 [2020-10-27 23:20:29,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2020-10-27 23:20:29,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 676. [2020-10-27 23:20:29,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2020-10-27 23:20:29,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 908 transitions. [2020-10-27 23:20:29,095 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 908 transitions. Word has length 128 [2020-10-27 23:20:29,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:29,096 INFO L481 AbstractCegarLoop]: Abstraction has 676 states and 908 transitions. [2020-10-27 23:20:29,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 23:20:29,096 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 908 transitions. [2020-10-27 23:20:29,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-27 23:20:29,101 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:29,102 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:20:29,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 23:20:29,102 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:29,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:29,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1101082574, now seen corresponding path program 1 times [2020-10-27 23:20:29,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:29,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [661633156] [2020-10-27 23:20:29,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:29,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:29,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:29,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:29,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:29,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-27 23:20:29,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:20:29,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 774 [2020-10-27 23:20:29,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:29,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:29,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-27 23:20:29,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:20:29,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:30,062 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:30,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:30,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:30,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:30,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:30,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:30,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:20:30,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:30,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:30,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:30,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:30,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:30,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:30,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:30,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:30,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:30,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:30,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:30,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:30,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:30,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:30,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:30,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:30,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:30,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:30,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:30,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:30,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:30,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:30,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:30,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:30,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:30,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:30,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:30,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:30,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:30,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:30,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:30,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:30,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:30,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:30,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:30,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:30,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:30,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:30,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:20:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:30,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:30,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:30,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:30,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:30,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:30,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:30,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:30,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:30,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:30,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:30,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:30,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:30,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:30,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:30,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:30,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:30,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:30,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:30,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:30,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:30,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:30,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 23:20:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:30,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:30,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:30,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:30,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:30,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:20:30,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:30,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:30,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:30,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:30,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:30,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:30,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:30,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:30,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:30,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:30,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:30,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:30,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:30,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:30,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:30,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:20:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:30,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:30,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:30,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:30,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:30,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:30,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:30,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:30,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:30,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:30,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:30,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:30,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:30,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:30,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:30,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:30,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:30,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:30,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:30,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:30,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:30,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:30,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 23:20:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:30,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:30,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:30,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:20:30,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:30,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:30,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:30,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:30,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:30,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:30,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:30,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:30,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:30,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:30,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:30,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:30,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:30,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:30,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:30,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:30,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:30,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:30,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 23:20:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:30,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:30,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:30,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-27 23:20:30,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:30,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 23:20:30,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:30,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:30,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-27 23:20:30,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:20:30,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:30,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:30,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:30,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:30,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:30,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:30,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:30,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:30,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:30,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:30,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:30,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:30,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:20:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:30,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:30,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:30,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:30,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:30,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:30,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:30,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:30,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:30,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:30,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:30,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 23:20:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:30,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:30,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:30,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:30,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:30,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:30,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:30,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:30,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:30,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:30,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:30,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 23:20:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:30,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:30,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:30,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:30,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:30,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:30,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:30,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:30,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:20:30,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:30,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:30,507 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-27 23:20:30,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [661633156] [2020-10-27 23:20:30,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:30,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 23:20:30,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138008343] [2020-10-27 23:20:30,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:20:30,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:30,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:20:30,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:20:30,510 INFO L87 Difference]: Start difference. First operand 676 states and 908 transitions. Second operand 11 states. [2020-10-27 23:20:30,742 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:20:30,968 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-27 23:20:32,212 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 23:20:33,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:33,087 INFO L93 Difference]: Finished difference Result 1283 states and 1719 transitions. [2020-10-27 23:20:33,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:20:33,087 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 128 [2020-10-27 23:20:33,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:33,093 INFO L225 Difference]: With dead ends: 1283 [2020-10-27 23:20:33,093 INFO L226 Difference]: Without dead ends: 652 [2020-10-27 23:20:33,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-27 23:20:33,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2020-10-27 23:20:33,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 652. [2020-10-27 23:20:33,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2020-10-27 23:20:33,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 857 transitions. [2020-10-27 23:20:33,171 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 857 transitions. Word has length 128 [2020-10-27 23:20:33,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:33,171 INFO L481 AbstractCegarLoop]: Abstraction has 652 states and 857 transitions. [2020-10-27 23:20:33,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:20:33,171 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 857 transitions. [2020-10-27 23:20:33,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-27 23:20:33,175 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:33,175 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:20:33,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 23:20:33,175 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:33,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:33,176 INFO L82 PathProgramCache]: Analyzing trace with hash -145624020, now seen corresponding path program 1 times [2020-10-27 23:20:33,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:33,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [300000949] [2020-10-27 23:20:33,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:33,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:33,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:33,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:36,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:38,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:38,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-27 23:20:38,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:20:38,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 23:20:38,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:38,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:38,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-27 23:20:38,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 23:20:38,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:38,367 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:38,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:38,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:38,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:38,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:38,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:38,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:38,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:38,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:38,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:38,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:38,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:38,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:38,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:38,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:38,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:38,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:38,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:38,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:38,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:38,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:38,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:38,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:38,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:38,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:38,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:38,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:38,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:38,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:38,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:38,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:38,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:38,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:38,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:38,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:38,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:38,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:38,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:38,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:38,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:38,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:38,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:38,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:38,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:38,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:38,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:20:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:38,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:38,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:38,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:38,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:38,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:20:38,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:38,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:38,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:38,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 23:20:38,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:38,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:38,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:38,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:38,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:38,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:38,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:38,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:38,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:38,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:38,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:38,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:38,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 23:20:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:38,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:38,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:38,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:38,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:38,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:38,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:38,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:38,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:38,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 23:20:38,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:38,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:38,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:38,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:38,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:38,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:38,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:38,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:38,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:38,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:38,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:38,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:38,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:20:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:38,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:38,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:38,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:38,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:38,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:20:38,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:38,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 23:20:38,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:38,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:38,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:38,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:38,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:38,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:38,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:38,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:38,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:38,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:38,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:38,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:38,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 23:20:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:38,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:38,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:38,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:20:38,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:38,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:20:38,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 23:20:38,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:38,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:38,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:38,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:38,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:38,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:38,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:38,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:38,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:38,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:38,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:38,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:38,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 23:20:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:38,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:38,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:38,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 23:20:38,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:38,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 23:20:38,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:38,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:38,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 23:20:38,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 23:20:38,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:38,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:38,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:38,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:38,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:38,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:38,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:38,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:38,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:38,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:38,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:38,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:38,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:20:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:38,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:38,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:38,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:20:38,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:38,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:38,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:38,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:38,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:38,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:20:38,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:38,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 23:20:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:38,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:38,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:38,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:38,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:38,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:38,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:38,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:38,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:38,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 23:20:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:38,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:38,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:38,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:38,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:38,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:38,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:38,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:38,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:38,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:38,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:38,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 23:20:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:38,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:38,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:38,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:38,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:38,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:38,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:38,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:38,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:38,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:38,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:38,887 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-27 23:20:38,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [300000949] [2020-10-27 23:20:38,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:38,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 23:20:38,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925051205] [2020-10-27 23:20:38,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:20:38,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:38,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:20:38,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:20:38,893 INFO L87 Difference]: Start difference. First operand 652 states and 857 transitions. Second operand 11 states. [2020-10-27 23:20:39,081 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:20:39,886 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:20:42,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:42,888 INFO L93 Difference]: Finished difference Result 1788 states and 2336 transitions. [2020-10-27 23:20:42,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 23:20:42,888 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 138 [2020-10-27 23:20:42,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:42,896 INFO L225 Difference]: With dead ends: 1788 [2020-10-27 23:20:42,897 INFO L226 Difference]: Without dead ends: 1205 [2020-10-27 23:20:42,900 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2020-10-27 23:20:42,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2020-10-27 23:20:43,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 1183. [2020-10-27 23:20:43,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2020-10-27 23:20:43,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1534 transitions. [2020-10-27 23:20:43,050 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1534 transitions. Word has length 138 [2020-10-27 23:20:43,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:43,051 INFO L481 AbstractCegarLoop]: Abstraction has 1183 states and 1534 transitions. [2020-10-27 23:20:43,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:20:43,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1534 transitions. [2020-10-27 23:20:43,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-27 23:20:43,056 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:43,057 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:20:43,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 23:20:43,057 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:43,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:43,057 INFO L82 PathProgramCache]: Analyzing trace with hash -581965745, now seen corresponding path program 1 times [2020-10-27 23:20:43,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:43,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1316314515] [2020-10-27 23:20:43,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:43,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:43,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:43,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:46,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:48,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:48,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 23:20:48,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:20:48,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 23:20:48,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:48,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:48,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-27 23:20:48,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 23:20:48,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:48,246 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:48,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:48,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:48,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:48,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:48,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:48,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:48,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:48,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:48,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:48,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:48,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:48,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:48,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:48,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:48,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:48,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:48,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:48,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:48,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:48,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:48,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:48,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:48,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:48,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:48,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:48,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:48,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:48,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:48,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:48,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:48,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:48,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:48,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:48,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:48,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:48,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:48,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:48,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:48,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:48,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:48,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:48,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:48,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:48,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:48,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:20:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:48,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:48,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:48,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:48,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:48,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:48,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:48,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:48,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:48,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:48,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:48,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:48,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:48,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:48,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:48,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:48,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:48,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:48,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:48,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:48,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:48,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:48,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 23:20:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:48,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:48,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:48,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:48,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:48,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:20:48,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:48,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:48,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:48,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:20:48,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:48,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:48,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:48,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:48,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:48,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:48,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:48,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:48,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:48,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:20:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:48,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:48,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:48,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:48,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:48,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:20:48,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:48,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:48,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:48,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 23:20:48,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:48,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:48,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:48,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:48,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:48,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:48,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:48,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:48,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:48,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:48,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:48,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:48,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 23:20:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:48,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:48,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:48,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:20:48,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:48,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:48,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:48,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:48,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:48,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 23:20:48,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:48,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:48,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:48,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:48,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:48,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:48,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:48,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:48,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:48,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:48,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:48,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:48,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 23:20:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:48,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:48,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:48,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-27 23:20:48,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:48,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:20:48,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:48,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:48,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 23:20:48,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 23:20:48,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:48,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:20:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:48,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:48,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:48,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:48,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:48,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:48,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:48,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:48,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:48,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:48,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:48,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 23:20:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:48,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:48,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:48,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:20:48,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:48,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:48,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:48,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:48,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:48,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:20:48,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:48,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 23:20:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:48,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:48,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:48,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:48,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:48,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:48,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:48,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:48,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:48,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:48,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:48,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 23:20:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:48,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:48,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:48,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:48,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:48,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:48,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:48,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:48,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 23:20:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:48,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:48,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:48,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:48,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:48,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:48,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:48,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:48,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:48,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:48,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:48,656 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-27 23:20:48,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1316314515] [2020-10-27 23:20:48,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:48,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 23:20:48,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497903527] [2020-10-27 23:20:48,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:20:48,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:48,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:20:48,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:20:48,658 INFO L87 Difference]: Start difference. First operand 1183 states and 1534 transitions. Second operand 11 states. [2020-10-27 23:20:48,849 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:20:49,812 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:20:52,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:52,774 INFO L93 Difference]: Finished difference Result 3357 states and 4362 transitions. [2020-10-27 23:20:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 23:20:52,775 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 139 [2020-10-27 23:20:52,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:52,788 INFO L225 Difference]: With dead ends: 3357 [2020-10-27 23:20:52,788 INFO L226 Difference]: Without dead ends: 2266 [2020-10-27 23:20:52,793 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-10-27 23:20:52,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2266 states. [2020-10-27 23:20:53,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2266 to 1693. [2020-10-27 23:20:53,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1693 states. [2020-10-27 23:20:53,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1693 states and 2189 transitions. [2020-10-27 23:20:53,041 INFO L78 Accepts]: Start accepts. Automaton has 1693 states and 2189 transitions. Word has length 139 [2020-10-27 23:20:53,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:53,042 INFO L481 AbstractCegarLoop]: Abstraction has 1693 states and 2189 transitions. [2020-10-27 23:20:53,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:20:53,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2189 transitions. [2020-10-27 23:20:53,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-27 23:20:53,049 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:53,049 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:20:53,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 23:20:53,050 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:53,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:53,050 INFO L82 PathProgramCache]: Analyzing trace with hash -2051661103, now seen corresponding path program 1 times [2020-10-27 23:20:53,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:53,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1240898497] [2020-10-27 23:20:53,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:53,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:53,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:53,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:55,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:58,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:58,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-27 23:20:58,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:20:58,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 23:20:58,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:58,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:58,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-27 23:20:58,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 23:20:58,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:58,236 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:58,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:58,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:58,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:58,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:58,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:58,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:20:58,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:58,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:58,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:58,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:58,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:58,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:58,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:58,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:58,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:58,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:58,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:58,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:58,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:58,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:58,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:58,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:58,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:58,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:58,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:58,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:58,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:58,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:58,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:58,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:58,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:58,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:58,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:58,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:58,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:58,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:58,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:58,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:58,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:58,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:58,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:58,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:58,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:58,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:58,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:20:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:58,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:58,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:58,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:58,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:58,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:58,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:58,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:58,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:58,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:58,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:58,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:58,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:58,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:58,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:58,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:58,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:58,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:58,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:58,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:58,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:58,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:58,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 23:20:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:58,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:58,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:58,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:58,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:58,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:58,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:58,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:58,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:58,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:58,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:58,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:58,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:58,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:58,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:58,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:58,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:58,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:58,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:58,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:58,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:58,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:58,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:20:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:58,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:58,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:58,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:58,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:58,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:58,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:58,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:58,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:58,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 23:20:58,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:58,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:58,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:58,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:58,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:58,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:58,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:58,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:58,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:58,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:58,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:58,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:58,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 23:20:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:58,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:58,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:58,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:20:58,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:58,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:20:58,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:58,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:58,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:58,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 23:20:58,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:58,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:58,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:58,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:58,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:58,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:58,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:58,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:58,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:58,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:58,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:58,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:58,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 23:20:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:58,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:58,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:58,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-27 23:20:58,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:58,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 23:20:58,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:58,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:58,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 23:20:58,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 23:20:58,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:58,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:20:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:58,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:58,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:58,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:58,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:58,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:58,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:58,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:58,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:58,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:58,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:58,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 23:20:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:58,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:58,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:58,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:20:58,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:58,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:58,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:58,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:58,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:58,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:20:58,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:58,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 23:20:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:58,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:58,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:58,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:58,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:58,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:58,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:58,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:58,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:58,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:58,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:58,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 23:20:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:58,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:58,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:58,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:58,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:58,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:58,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:58,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:58,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:58,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:58,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:58,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 23:20:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:58,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:58,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:58,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:58,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:58,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:58,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:58,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:58,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:58,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:58,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:58,687 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-27 23:20:58,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1240898497] [2020-10-27 23:20:58,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:58,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 23:20:58,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620803022] [2020-10-27 23:20:58,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:20:58,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:58,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:20:58,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:20:58,691 INFO L87 Difference]: Start difference. First operand 1693 states and 2189 transitions. Second operand 11 states. [2020-10-27 23:20:58,883 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:21:00,100 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:21:03,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:21:03,318 INFO L93 Difference]: Finished difference Result 4914 states and 6366 transitions. [2020-10-27 23:21:03,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 23:21:03,318 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 140 [2020-10-27 23:21:03,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:21:03,335 INFO L225 Difference]: With dead ends: 4914 [2020-10-27 23:21:03,335 INFO L226 Difference]: Without dead ends: 3313 [2020-10-27 23:21:03,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2020-10-27 23:21:03,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3313 states. [2020-10-27 23:21:03,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3313 to 2186. [2020-10-27 23:21:03,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2186 states. [2020-10-27 23:21:03,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 2186 states and 2822 transitions. [2020-10-27 23:21:03,665 INFO L78 Accepts]: Start accepts. Automaton has 2186 states and 2822 transitions. Word has length 140 [2020-10-27 23:21:03,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:21:03,665 INFO L481 AbstractCegarLoop]: Abstraction has 2186 states and 2822 transitions. [2020-10-27 23:21:03,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:21:03,665 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 2822 transitions. [2020-10-27 23:21:03,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-27 23:21:03,673 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:21:03,674 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:21:03,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 23:21:03,674 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:21:03,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:21:03,675 INFO L82 PathProgramCache]: Analyzing trace with hash -664875693, now seen corresponding path program 1 times [2020-10-27 23:21:03,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:21:03,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1989664323] [2020-10-27 23:21:03,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:21:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:03,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:03,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:03,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:06,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-27 23:21:08,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:21:08,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 23:21:08,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:08,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-27 23:21:08,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 23:21:08,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,864 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:21:08,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:21:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:21:08,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:21:08,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:08,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:21:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:21:08,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:08,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:08,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:08,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:08,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:08,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:08,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:08,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:08,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:21:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:21:08,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:21:08,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:08,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:08,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:08,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:08,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 23:21:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:09,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:09,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:09,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:21:09,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:09,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:09,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:09,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:09,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:09,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:09,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:09,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:09,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:09,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:09,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:09,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:09,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:09,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:09,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:09,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:09,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:09,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:09,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:21:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:09,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:09,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:09,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:09,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:09,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:09,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:09,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:09,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:09,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:09,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:09,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:09,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:09,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:09,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:09,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:09,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:09,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:09,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:09,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:09,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:09,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:09,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 23:21:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:09,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:09,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:09,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:21:09,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:09,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:09,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:09,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:09,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:09,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:09,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:09,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:09,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:09,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:09,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:09,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:09,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:09,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:09,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:09,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:09,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:09,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:09,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 23:21:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:09,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:09,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:09,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-27 23:21:09,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:09,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 23:21:09,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:09,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:09,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 23:21:09,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 23:21:09,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:09,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:21:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:09,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:09,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:09,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:09,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:09,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:09,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:09,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:09,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:21:09,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:09,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:09,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 23:21:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:09,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:09,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:09,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:09,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:09,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:09,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:09,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:09,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 23:21:09,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:09,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:09,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 23:21:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:09,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:09,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:09,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:09,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:09,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:09,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:09,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:09,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:21:09,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:09,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:09,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 23:21:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:09,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:09,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:09,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:09,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:09,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:09,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:09,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:09,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:21:09,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:09,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:09,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 23:21:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:09,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:09,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:09,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:09,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:09,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:09,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:09,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:09,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:21:09,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:09,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:09,206 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-27 23:21:09,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1989664323] [2020-10-27 23:21:09,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:21:09,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 23:21:09,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036499875] [2020-10-27 23:21:09,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 23:21:09,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:21:09,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 23:21:09,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-27 23:21:09,208 INFO L87 Difference]: Start difference. First operand 2186 states and 2822 transitions. Second operand 10 states. [2020-10-27 23:21:10,589 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:11,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:21:11,314 INFO L93 Difference]: Finished difference Result 3842 states and 4955 transitions. [2020-10-27 23:21:11,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 23:21:11,315 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 140 [2020-10-27 23:21:11,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:21:11,323 INFO L225 Difference]: With dead ends: 3842 [2020-10-27 23:21:11,324 INFO L226 Difference]: Without dead ends: 1691 [2020-10-27 23:21:11,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2020-10-27 23:21:11,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2020-10-27 23:21:11,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 1691. [2020-10-27 23:21:11,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1691 states. [2020-10-27 23:21:11,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1691 states and 2183 transitions. [2020-10-27 23:21:11,562 INFO L78 Accepts]: Start accepts. Automaton has 1691 states and 2183 transitions. Word has length 140 [2020-10-27 23:21:11,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:21:11,562 INFO L481 AbstractCegarLoop]: Abstraction has 1691 states and 2183 transitions. [2020-10-27 23:21:11,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 23:21:11,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2183 transitions. [2020-10-27 23:21:11,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-27 23:21:11,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:21:11,569 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:21:11,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 23:21:11,569 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:21:11,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:21:11,570 INFO L82 PathProgramCache]: Analyzing trace with hash 965004552, now seen corresponding path program 1 times [2020-10-27 23:21:11,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:21:11,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [559315027] [2020-10-27 23:21:11,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:21:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:11,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:11,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:16,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:16,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-27 23:21:16,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:21:16,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 23:21:16,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:16,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:16,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-27 23:21:16,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:21:16,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:16,800 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:21:16,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:21:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:16,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:16,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:16,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:21:16,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:16,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:21:16,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:16,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:16,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:16,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:16,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:16,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:21:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:16,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:16,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:16,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:21:16,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:16,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:21:16,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:16,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:16,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:16,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 23:21:16,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:16,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:16,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:16,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:16,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:16,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:16,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:16,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:16,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:16,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:16,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:16,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:16,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:16,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:16,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:16,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:16,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:16,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:16,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:16,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:16,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:16,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:16,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:16,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:21:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:16,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:16,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:16,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:16,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:16,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:21:16,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:16,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:16,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:16,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:16,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:16,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:16,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:16,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:16,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:16,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:16,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:16,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:16,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:16,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:16,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:16,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:16,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 23:21:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:21:17,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:21:17,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:21:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:17,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:17,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:17,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 23:21:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:17,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:17,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:17,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:17,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:17,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:17,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 23:21:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:21:17,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:17,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 23:21:17,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:17,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:17,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:17,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 23:21:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 23:21:17,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:21:17,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 23:21:17,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:17,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:17,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:17,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:21:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:17,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:17,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:17,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 23:21:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:17,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:17,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:17,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 23:21:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:17,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:17,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:17,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 23:21:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:17,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:17,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:17,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,217 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-27 23:21:17,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [559315027] [2020-10-27 23:21:17,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:21:17,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 23:21:17,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360668457] [2020-10-27 23:21:17,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 23:21:17,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:21:17,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 23:21:17,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-27 23:21:17,219 INFO L87 Difference]: Start difference. First operand 1691 states and 2183 transitions. Second operand 12 states. [2020-10-27 23:21:17,761 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:21:19,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:21:19,784 INFO L93 Difference]: Finished difference Result 3328 states and 4327 transitions. [2020-10-27 23:21:19,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:21:19,785 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 140 [2020-10-27 23:21:19,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:21:19,795 INFO L225 Difference]: With dead ends: 3328 [2020-10-27 23:21:19,795 INFO L226 Difference]: Without dead ends: 1724 [2020-10-27 23:21:19,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-10-27 23:21:19,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1724 states. [2020-10-27 23:21:20,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1724 to 1691. [2020-10-27 23:21:20,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1691 states. [2020-10-27 23:21:20,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1691 states and 2179 transitions. [2020-10-27 23:21:20,050 INFO L78 Accepts]: Start accepts. Automaton has 1691 states and 2179 transitions. Word has length 140 [2020-10-27 23:21:20,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:21:20,050 INFO L481 AbstractCegarLoop]: Abstraction has 1691 states and 2179 transitions. [2020-10-27 23:21:20,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 23:21:20,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2179 transitions. [2020-10-27 23:21:20,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-27 23:21:20,057 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:21:20,058 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:21:20,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 23:21:20,058 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:21:20,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:21:20,058 INFO L82 PathProgramCache]: Analyzing trace with hash -2065174291, now seen corresponding path program 1 times [2020-10-27 23:21:20,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:21:20,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2021567997] [2020-10-27 23:21:20,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:21:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:20,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:20,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:20,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:20,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:20,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:20,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:20,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:25,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:25,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-27 23:21:25,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 23:21:25,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 23:21:25,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:25,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:25,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-27 23:21:25,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:21:25,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:25,243 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:21:25,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:21:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:25,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:25,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:25,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:21:25,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:25,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:25,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:25,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:25,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:25,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:25,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:25,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:21:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:25,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:25,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:25,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:25,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:25,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:25,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 23:21:30,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 23:21:30,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 23:21:30,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:30,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-27 23:21:30,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:21:30,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:30,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:30,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:30,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:30,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:30,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:30,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:30,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:30,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:30,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:30,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:21:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:30,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:21:30,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:30,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:30,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:30,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 23:21:30,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:30,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:30,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:30,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:30,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:21:30,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 23:21:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:30,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:21:30,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:21:30,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:30,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:30,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 23:21:30,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:30,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:30,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:30,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:30,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:21:30,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 23:21:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:30,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:21:30,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:30,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:30,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 23:21:30,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:30,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:30,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:30,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:30,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:21:30,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 23:21:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:30,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:21:30,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:30,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:30,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:30,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:30,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:30,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:30,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:30,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:30,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 23:21:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:21:30,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 23:21:30,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:30,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:21:30,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:30,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:30,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:30,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:30,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:30,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:30,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 23:21:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:30,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:30,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:30,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:30,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:30,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:30,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:30,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:30,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:30,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:30,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 23:21:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:21:30,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:30,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:30,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 23:21:30,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:30,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:30,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:30,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:30,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:30,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:30,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 23:21:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 23:21:30,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:21:30,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:30,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 23:21:30,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:30,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:30,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:30,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:30,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:30,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:30,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:21:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:30,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:30,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:30,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:30,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:30,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 23:21:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:30,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:30,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:30,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:30,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:30,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 23:21:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:30,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:30,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:30,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:30,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:30,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 23:21:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:30,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:30,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:30,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:30,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:30,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,698 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-10-27 23:21:30,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2021567997] [2020-10-27 23:21:30,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:21:30,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 23:21:30,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145710957] [2020-10-27 23:21:30,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:21:30,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:21:30,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:21:30,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:21:30,700 INFO L87 Difference]: Start difference. First operand 1691 states and 2179 transitions. Second operand 11 states. [2020-10-27 23:21:30,893 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:31,058 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:21:31,445 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:33,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:21:33,198 INFO L93 Difference]: Finished difference Result 3405 states and 4402 transitions. [2020-10-27 23:21:33,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:21:33,199 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 188 [2020-10-27 23:21:33,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:21:33,208 INFO L225 Difference]: With dead ends: 3405 [2020-10-27 23:21:33,208 INFO L226 Difference]: Without dead ends: 1726 [2020-10-27 23:21:33,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-27 23:21:33,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1726 states. [2020-10-27 23:21:33,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1726 to 1726. [2020-10-27 23:21:33,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1726 states. [2020-10-27 23:21:33,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1726 states and 2234 transitions. [2020-10-27 23:21:33,451 INFO L78 Accepts]: Start accepts. Automaton has 1726 states and 2234 transitions. Word has length 188 [2020-10-27 23:21:33,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:21:33,452 INFO L481 AbstractCegarLoop]: Abstraction has 1726 states and 2234 transitions. [2020-10-27 23:21:33,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:21:33,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1726 states and 2234 transitions. [2020-10-27 23:21:33,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-27 23:21:33,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:21:33,461 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:21:33,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-27 23:21:33,461 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:21:33,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:21:33,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1210993958, now seen corresponding path program 1 times [2020-10-27 23:21:33,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:21:33,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [891088771] [2020-10-27 23:21:33,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:21:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:33,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:33,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:33,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:33,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:33,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:33,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:36,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-27 23:21:38,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 23:21:38,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 23:21:38,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-27 23:21:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:21:38,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,642 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:21:38,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:21:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:38,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:21:38,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:38,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:38,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:38,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:38,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:38,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:21:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:38,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:41,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:43,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:43,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-27 23:21:43,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 23:21:43,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 23:21:43,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:43,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:43,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-27 23:21:43,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:21:43,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:43,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:43,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:43,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:43,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:43,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:43,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:43,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:43,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:43,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:43,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:43,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:43,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:43,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:43,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:21:43,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:43,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:43,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:43,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:43,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:43,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:21:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:43,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:43,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:43,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:21:43,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:43,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:43,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:43,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:43,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:43,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:43,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:43,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:21:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:43,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:43,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:43,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:43,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:43,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:43,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:43,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:43,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:43,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:43,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:43,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:21:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:43,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:43,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:43,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:43,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:21:43,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:21:43,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:21:43,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:43,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:43,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:43,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 23:21:43,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:43,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:21:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:43,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:43,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:43,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:43,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:43,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:43,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:43,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:43,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:43,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:21:43,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:43,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 23:21:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:43,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:43,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:43,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:43,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:21:43,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:21:43,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 23:21:43,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:43,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:43,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:43,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 23:21:43,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:43,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:21:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:43,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:43,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:43,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:43,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:43,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:43,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:43,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:43,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:43,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:21:43,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:43,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 23:21:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:43,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:43,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:43,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:43,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:43,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:21:43,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:43,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:43,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:43,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:43,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:43,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:43,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:43,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:43,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:43,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:43,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:43,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:43,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:43,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:43,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:43,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:43,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 23:21:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:43,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:43,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:43,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:21:43,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:43,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:43,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:43,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:43,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:21:43,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:43,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:43,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:43,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:43,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:43,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:43,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:43,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:43,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:43,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:43,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:43,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:43,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:43,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-27 23:21:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:43,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:43,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:43,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:43,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:43,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:21:43,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:43,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:43,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:43,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:43,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:43,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:43,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:43,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:43,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:43,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:43,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:43,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:43,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:43,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:43,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:43,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:44,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 23:21:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:44,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:44,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:44,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:21:44,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:44,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:21:44,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:44,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:44,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 23:21:44,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:44,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:44,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:44,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:44,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:44,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:44,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:44,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:44,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:44,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:44,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:44,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:44,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:44,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 23:21:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:44,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:44,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:44,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 23:21:44,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:44,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:21:44,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:44,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:44,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 23:21:44,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:44,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:44,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:44,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:44,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:44,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:44,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:44,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:44,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:44,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:44,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:44,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:44,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:44,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:21:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:44,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:44,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:44,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:44,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:44,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:44,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:44,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:44,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:44,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:44,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:44,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 23:21:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:44,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:44,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:44,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:44,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:44,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:44,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:44,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:44,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:44,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:44,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:44,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 23:21:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:44,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:44,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:44,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:44,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:44,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:44,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:44,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:44,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:44,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:44,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:44,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 23:21:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:44,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:44,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:44,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:44,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:44,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:44,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:44,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:44,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:44,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:44,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:44,143 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-10-27 23:21:44,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [891088771] [2020-10-27 23:21:44,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:21:44,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 23:21:44,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451841855] [2020-10-27 23:21:44,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 23:21:44,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:21:44,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 23:21:44,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-27 23:21:44,145 INFO L87 Difference]: Start difference. First operand 1726 states and 2234 transitions. Second operand 13 states. [2020-10-27 23:21:44,365 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:44,546 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:21:45,129 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:47,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:21:47,211 INFO L93 Difference]: Finished difference Result 3451 states and 4472 transitions. [2020-10-27 23:21:47,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:21:47,216 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 194 [2020-10-27 23:21:47,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:21:47,226 INFO L225 Difference]: With dead ends: 3451 [2020-10-27 23:21:47,226 INFO L226 Difference]: Without dead ends: 1755 [2020-10-27 23:21:47,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-10-27 23:21:47,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2020-10-27 23:21:47,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1755. [2020-10-27 23:21:47,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1755 states. [2020-10-27 23:21:47,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1755 states and 2279 transitions. [2020-10-27 23:21:47,468 INFO L78 Accepts]: Start accepts. Automaton has 1755 states and 2279 transitions. Word has length 194 [2020-10-27 23:21:47,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:21:47,468 INFO L481 AbstractCegarLoop]: Abstraction has 1755 states and 2279 transitions. [2020-10-27 23:21:47,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 23:21:47,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2279 transitions. [2020-10-27 23:21:47,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-27 23:21:47,475 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:21:47,475 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:21:47,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-27 23:21:47,476 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:21:47,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:21:47,476 INFO L82 PathProgramCache]: Analyzing trace with hash -672919507, now seen corresponding path program 1 times [2020-10-27 23:21:47,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:21:47,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1126635869] [2020-10-27 23:21:47,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:21:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:47,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:47,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:47,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:47,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:47,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:47,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:47,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-27 23:21:52,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 23:21:52,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 23:21:52,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:52,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-27 23:21:52,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:21:52,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,664 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:21:52,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:21:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:21:52,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:52,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:52,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:52,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:21:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:53,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:55,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:57,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:57,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 23:21:57,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 23:21:57,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 23:21:57,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:57,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:57,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-27 23:21:57,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:21:57,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:57,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:57,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:57,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:57,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:57,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:57,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:57,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:57,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:57,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:57,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:57,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:57,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:57,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:57,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:57,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:57,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:57,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:21:57,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:57,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:57,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:57,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:57,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:57,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:21:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:57,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:57,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:57,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:21:57,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:57,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:57,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:57,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:57,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:57,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:57,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:57,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:21:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:57,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:57,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:57,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:57,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:57,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:21:57,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:57,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:57,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:57,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:57,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:57,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:21:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:57,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:57,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:57,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:57,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:57,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 23:21:57,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:21:57,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:21:57,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:57,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:57,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:57,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 23:21:57,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:57,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:21:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:57,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:57,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:57,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:57,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:57,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:57,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:57,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:57,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:57,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:21:57,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:57,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 23:21:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:57,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:57,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:57,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:57,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:21:57,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:21:57,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 23:21:57,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:57,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:57,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:57,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 23:21:57,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:57,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:21:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:57,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:57,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:57,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:57,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:57,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:57,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:57,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:57,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:57,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:21:57,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:57,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 23:21:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:57,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:57,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:57,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:57,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:57,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:21:57,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:57,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:57,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:57,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:57,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:57,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:57,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:57,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:57,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:57,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:57,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:57,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:57,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:57,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:57,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:57,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:57,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 23:21:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:57,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:57,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:57,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:21:57,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:57,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:21:57,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:57,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:57,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:21:57,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:57,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:57,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:57,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:58,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:58,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:58,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:58,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:58,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:58,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:58,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:58,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:58,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:58,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 23:21:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:58,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:58,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:58,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:58,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:58,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:58,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:58,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:58,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:58,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:58,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:58,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:58,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:58,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:58,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:58,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:58,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:58,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:58,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:58,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:58,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:58,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:58,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 23:21:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:58,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:58,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:58,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:21:58,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:58,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:58,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:58,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:58,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 23:21:58,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:58,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:58,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:58,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:58,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:58,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:58,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:58,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:58,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:58,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:58,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:58,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:58,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:58,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 23:21:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:58,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:58,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:58,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 23:21:58,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:58,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:21:58,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:58,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:58,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 23:21:58,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:58,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:58,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:58,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:58,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:58,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:58,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:58,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:58,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:58,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:58,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:58,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:58,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:58,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:21:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:58,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:58,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:58,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:58,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:58,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:58,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:58,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:58,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:58,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:58,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:58,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 23:21:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:58,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:58,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:58,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:58,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:58,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:58,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:58,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:58,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:58,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:58,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:58,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 23:21:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:58,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:58,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:58,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:58,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:58,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:58,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:58,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:58,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:58,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:58,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:58,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 23:21:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:58,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:58,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:58,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:58,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:58,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:58,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:58,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:58,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:58,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:58,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:58,226 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-10-27 23:21:58,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1126635869] [2020-10-27 23:21:58,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:21:58,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 23:21:58,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695059814] [2020-10-27 23:21:58,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 23:21:58,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:21:58,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 23:21:58,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-10-27 23:21:58,228 INFO L87 Difference]: Start difference. First operand 1755 states and 2279 transitions. Second operand 15 states. [2020-10-27 23:21:58,442 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:58,620 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:21:59,294 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:59,538 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:22:01,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:22:01,766 INFO L93 Difference]: Finished difference Result 3494 states and 4537 transitions. [2020-10-27 23:22:01,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 23:22:01,766 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 197 [2020-10-27 23:22:01,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:22:01,775 INFO L225 Difference]: With dead ends: 3494 [2020-10-27 23:22:01,776 INFO L226 Difference]: Without dead ends: 1760 [2020-10-27 23:22:01,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-27 23:22:01,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2020-10-27 23:22:02,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1760. [2020-10-27 23:22:02,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1760 states. [2020-10-27 23:22:02,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 2272 transitions. [2020-10-27 23:22:02,013 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 2272 transitions. Word has length 197 [2020-10-27 23:22:02,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:22:02,013 INFO L481 AbstractCegarLoop]: Abstraction has 1760 states and 2272 transitions. [2020-10-27 23:22:02,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 23:22:02,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2272 transitions. [2020-10-27 23:22:02,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-27 23:22:02,019 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:22:02,019 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:22:02,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-27 23:22:02,020 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:22:02,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:22:02,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1246162955, now seen corresponding path program 2 times [2020-10-27 23:22:02,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:22:02,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1626561404] [2020-10-27 23:22:02,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:22:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:02,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:02,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:02,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:02,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:02,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:07,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:07,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-27 23:22:07,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:22:07,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 23:22:07,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:07,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:07,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-27 23:22:07,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:22:07,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:07,202 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:22:07,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:22:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:07,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:07,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:07,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:22:07,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:07,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:07,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:07,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:07,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:07,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:07,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:07,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:07,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:07,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:07,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:07,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 23:22:08,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:22:08,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1089 [2020-10-27 23:22:08,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:08,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-27 23:22:08,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:22:08,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:08,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:08,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:08,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:08,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:08,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:08,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:08,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:08,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:08,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:08,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:08,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:08,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:22:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:08,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:22:08,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:08,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:08,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:08,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:08,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:08,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:22:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:08,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:08,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:08,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:08,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:08,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:08,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:08,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:08,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:22:08,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:08,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:08,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:08,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:08,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:08,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:22:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:08,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:08,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:08,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:08,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:08,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:08,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:08,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:22:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:08,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 23:22:08,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:08,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:08,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:22:08,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:08,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 23:22:08,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:08,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:08,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:08,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:08,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:08,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:08,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:08,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 23:22:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:08,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:08,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:08,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:22:08,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:08,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:22:08,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:08,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:08,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:08,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:08,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:08,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:08,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:08,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:08,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 23:22:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:08,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:22:08,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:08,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:22:08,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:08,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:22:08,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:08,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:08,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:08,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:08,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:08,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:08,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:08,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:08,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 23:22:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:08,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:08,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:08,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:22:08,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:08,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:22:08,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:08,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:08,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:08,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:08,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:08,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:08,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:08,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:08,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 23:22:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:08,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:22:08,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:08,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:08,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:08,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 23:22:08,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:08,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:08,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:08,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:08,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:08,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:08,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:08,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:08,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 23:22:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:08,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 23:22:08,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:08,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:22:08,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:08,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 23:22:08,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:08,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:08,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:08,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:08,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:08,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:08,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:08,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:08,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:22:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:08,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:08,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:08,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:08,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:08,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:08,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:08,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 23:22:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:08,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:08,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:08,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:08,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:08,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:08,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:08,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 23:22:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:08,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:08,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:08,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:08,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:08,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:08,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:08,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 23:22:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:08,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:08,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:08,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:08,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:08,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:08,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:08,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:08,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:08,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:08,725 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-10-27 23:22:08,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1626561404] [2020-10-27 23:22:08,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:22:08,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 23:22:08,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594943670] [2020-10-27 23:22:08,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 23:22:08,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:22:08,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 23:22:08,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-27 23:22:08,727 INFO L87 Difference]: Start difference. First operand 1760 states and 2272 transitions. Second operand 12 states. [2020-10-27 23:22:09,117 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:09,525 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:22:09,709 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:22:11,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:22:11,399 INFO L93 Difference]: Finished difference Result 3374 states and 4344 transitions. [2020-10-27 23:22:11,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:22:11,401 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 197 [2020-10-27 23:22:11,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:22:11,408 INFO L225 Difference]: With dead ends: 3374 [2020-10-27 23:22:11,408 INFO L226 Difference]: Without dead ends: 1766 [2020-10-27 23:22:11,411 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-27 23:22:11,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1766 states. [2020-10-27 23:22:11,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1766 to 1760. [2020-10-27 23:22:11,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1760 states. [2020-10-27 23:22:11,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 2270 transitions. [2020-10-27 23:22:11,622 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 2270 transitions. Word has length 197 [2020-10-27 23:22:11,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:22:11,622 INFO L481 AbstractCegarLoop]: Abstraction has 1760 states and 2270 transitions. [2020-10-27 23:22:11,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 23:22:11,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2270 transitions. [2020-10-27 23:22:11,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-27 23:22:11,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:22:11,628 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:22:11,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-27 23:22:11,628 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:22:11,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:22:11,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1499181996, now seen corresponding path program 1 times [2020-10-27 23:22:11,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:22:11,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [597437622] [2020-10-27 23:22:11,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:22:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:11,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:11,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:11,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:11,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:11,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:11,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:12,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-27 23:22:16,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 23:22:16,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 23:22:16,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:16,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 23:22:16,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 23:22:16,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,816 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:22:16,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:22:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:22:16,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:22:16,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:16,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:17,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:21,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:21,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 23:22:21,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 23:22:21,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 23:22:21,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:21,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:21,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-27 23:22:21,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 23:22:21,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:21,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:21,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:21,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:21,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:21,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:21,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:21,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:21,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:21,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:21,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:21,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:21,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:21,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:21,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:21,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:21,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:21,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:21,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:21,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:21,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:21,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:21,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:21,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:22:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:21,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:21,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:21,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:22:21,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:21,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:21,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:21,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:21,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:21,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:21,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:21,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:22:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:21,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:21,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:21,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:21,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:21,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:21,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:21,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:21,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:21,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:21,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:21,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:21,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:21,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:21,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:22:21,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:21,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:21,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:21,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:21,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:22:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:21,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:21,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:21,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:21,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:21,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:21,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:21,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:21,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:21,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:21,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:21,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:22:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:21,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:21,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:21,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:21,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:21,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:22:21,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:22:21,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 23:22:21,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:21,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:22:21,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:22:21,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 23:22:21,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:21,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 23:22:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:21,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:21,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:21,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:21,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:21,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:22:21,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:21,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:21,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:22:21,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:21,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:22,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:22,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:22,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:22,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:22,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:22,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:22,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 23:22:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:22,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:22:22,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:22,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:22:22,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:22,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:22:22,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:22,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:22,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:22,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:22,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:22,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:22,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:22,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:22,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 23:22:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:22,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:22,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:22,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:22:22,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:22,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:22:22,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:22,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:22,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:22,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:22,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:22,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:22,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 23:22:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:22,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:22:22,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:22,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:22,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:22,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 23:22:22,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:22,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:22,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:22,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:22,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:22,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:22,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:22,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:22,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 23:22:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:22,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 23:22:22,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:22,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:22:22,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:22,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 23:22:22,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:22,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:22,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:22,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:22,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:22,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:22,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:22,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:22,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:22:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:22,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:22,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:22,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:22,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:22,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 23:22:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:22,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:22,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:22,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:22,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:22,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:22,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:22,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 23:22:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:22,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:22,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:22,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:22,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:22,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:22,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:22,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 23:22:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:22,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:22,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:22,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:22,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:22,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:22,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:22,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,289 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-10-27 23:22:22,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [597437622] [2020-10-27 23:22:22,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:22:22,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 23:22:22,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923054916] [2020-10-27 23:22:22,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:22:22,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:22:22,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:22:22,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:22:22,291 INFO L87 Difference]: Start difference. First operand 1760 states and 2270 transitions. Second operand 11 states. [2020-10-27 23:22:22,498 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:22:22,681 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-27 23:22:23,127 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 23:22:24,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:22:24,829 INFO L93 Difference]: Finished difference Result 3380 states and 4351 transitions. [2020-10-27 23:22:24,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:22:24,830 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 198 [2020-10-27 23:22:24,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:22:24,840 INFO L225 Difference]: With dead ends: 3380 [2020-10-27 23:22:24,840 INFO L226 Difference]: Without dead ends: 1760 [2020-10-27 23:22:24,844 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-27 23:22:24,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2020-10-27 23:22:25,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1760. [2020-10-27 23:22:25,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1760 states. [2020-10-27 23:22:25,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 2268 transitions. [2020-10-27 23:22:25,067 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 2268 transitions. Word has length 198 [2020-10-27 23:22:25,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:22:25,068 INFO L481 AbstractCegarLoop]: Abstraction has 1760 states and 2268 transitions. [2020-10-27 23:22:25,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:22:25,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2268 transitions. [2020-10-27 23:22:25,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-27 23:22:25,073 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:22:25,074 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:22:25,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-27 23:22:25,074 INFO L429 AbstractCegarLoop]: === Iteration 24 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:22:25,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:22:25,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1888730994, now seen corresponding path program 1 times [2020-10-27 23:22:25,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:22:25,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [363323130] [2020-10-27 23:22:25,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:22:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:25,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:25,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:25,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:25,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:25,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:30,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:30,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-27 23:22:30,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:22:30,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 23:22:30,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:30,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:30,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 23:22:30,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 23:22:30,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:30,255 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:22:30,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:22:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:30,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:30,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:30,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:22:30,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:30,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:22:30,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:30,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:30,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:30,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:30,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:30,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:30,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:30,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:30,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:30,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-27 23:22:32,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:22:32,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2224 [2020-10-27 23:22:32,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:32,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-27 23:22:32,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 23:22:32,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:32,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:32,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:32,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:32,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:32,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:32,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:32,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:32,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:32,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:32,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:22:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:22:32,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:32,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:32,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:32,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:32,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:22:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:32,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:32,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:32,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:32,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:32,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:22:32,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:32,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:32,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:22:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:32,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:32,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:32,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:32,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:32,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:22:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 23:22:32,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:22:32,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:32,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:22:32,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 23:22:32,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:32,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:32,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:22:32,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:32,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:22:32,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 23:22:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:32,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:32,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:22:32,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:32,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:22:32,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 23:22:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:32,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:22:32,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:32,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:22:32,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:32,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:32,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:32,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:32,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 23:22:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:22:32,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:22:32,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:32,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:22:32,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:32,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:32,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:32,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:32,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:32,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:32,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 23:22:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:32,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:32,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:32,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:22:32,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:32,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:32,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:32,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:32,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:32,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:32,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 23:22:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:22:32,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:32,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:32,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 23:22:32,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:32,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:32,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:32,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:32,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:32,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:32,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 23:22:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 23:22:32,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:22:32,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:32,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 23:22:32,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:32,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:32,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:32,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:32,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:32,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:32,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:22:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:32,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:32,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:32,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:32,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:32,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 23:22:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:32,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:32,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:32,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 23:22:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:32,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:32,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:32,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:32,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:32,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 23:22:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:32,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:32,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:32,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:32,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:32,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,938 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 27 proven. 11 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2020-10-27 23:22:32,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [363323130] [2020-10-27 23:22:32,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:22:32,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 23:22:32,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277877523] [2020-10-27 23:22:32,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 23:22:32,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:22:32,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 23:22:32,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-27 23:22:32,940 INFO L87 Difference]: Start difference. First operand 1760 states and 2268 transitions. Second operand 12 states. [2020-10-27 23:22:33,156 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:33,350 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:33,663 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:35,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:22:35,816 INFO L93 Difference]: Finished difference Result 3562 states and 4600 transitions. [2020-10-27 23:22:35,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:22:35,816 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 214 [2020-10-27 23:22:35,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:22:35,826 INFO L225 Difference]: With dead ends: 3562 [2020-10-27 23:22:35,826 INFO L226 Difference]: Without dead ends: 1823 [2020-10-27 23:22:35,830 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2020-10-27 23:22:35,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1823 states. [2020-10-27 23:22:36,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1823 to 1805. [2020-10-27 23:22:36,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1805 states. [2020-10-27 23:22:36,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1805 states and 2335 transitions. [2020-10-27 23:22:36,022 INFO L78 Accepts]: Start accepts. Automaton has 1805 states and 2335 transitions. Word has length 214 [2020-10-27 23:22:36,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:22:36,023 INFO L481 AbstractCegarLoop]: Abstraction has 1805 states and 2335 transitions. [2020-10-27 23:22:36,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 23:22:36,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2335 transitions. [2020-10-27 23:22:36,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-27 23:22:36,028 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:22:36,029 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:22:36,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-27 23:22:36,029 INFO L429 AbstractCegarLoop]: === Iteration 25 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:22:36,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:22:36,029 INFO L82 PathProgramCache]: Analyzing trace with hash -751241831, now seen corresponding path program 2 times [2020-10-27 23:22:36,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:22:36,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [202490993] [2020-10-27 23:22:36,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:22:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:36,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:36,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:36,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:36,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:41,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:41,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-10-27 23:22:41,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:22:41,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 23:22:41,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:41,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:41,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-27 23:22:41,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:22:41,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:41,215 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:22:41,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:22:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:41,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:41,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:41,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:22:41,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:41,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:41,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:41,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:41,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:41,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:41,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:41,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:41,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:41,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:41,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:41,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:41,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 23:22:41,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:22:41,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 626 [2020-10-27 23:22:41,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:41,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:41,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-27 23:22:41,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:22:41,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:41,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:41,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:41,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:41,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:41,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:41,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:41,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:41,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:41,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:41,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:41,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:41,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:41,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:41,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:41,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:41,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:41,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:41,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:41,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:41,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:41,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:41,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:41,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:22:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:41,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:41,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:41,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:22:41,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:41,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:41,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:41,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:41,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:41,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:41,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:41,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:22:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:41,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:41,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:41,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:41,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:41,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:41,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:41,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:41,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:41,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:41,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:41,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:41,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:41,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:41,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:22:41,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:41,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:22:41,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:41,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:22:41,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:41,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 23:22:41,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:41,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:22:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:41,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:41,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:41,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:41,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:41,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:41,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:41,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:41,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:41,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:41,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:41,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:22:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:41,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:41,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:41,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 23:22:41,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:41,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:22:41,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:41,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:41,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-27 23:22:41,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:41,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:41,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:41,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:41,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:41,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:41,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:41,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:41,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:41,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:41,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:41,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:41,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:41,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 23:22:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:41,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:41,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:41,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:41,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:41,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:41,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:41,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:41,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:41,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:41,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:41,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:22:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:41,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:41,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:41,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:41,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:41,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:41,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:41,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:41,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:41,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:41,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:41,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 23:22:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:41,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:41,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:41,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:41,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:41,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:22:41,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:41,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:41,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:22:41,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:41,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:42,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:42,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:42,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:42,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:42,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:42,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:42,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:42,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:42,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:42,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:42,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:42,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 23:22:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:42,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:42,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:42,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:22:42,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:42,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:22:42,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:42,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:42,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:22:42,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:42,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:42,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:42,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:42,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:42,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:42,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:42,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:42,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:42,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:42,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:42,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:42,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:42,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 23:22:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:42,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:42,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:42,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:42,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:42,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:42,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:42,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:42,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:22:42,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:42,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:42,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:42,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:42,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:42,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:42,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:42,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:42,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:42,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:42,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:42,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:42,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:42,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 23:22:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:42,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:42,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:42,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:22:42,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:42,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:22:42,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:42,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:42,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 23:22:42,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:42,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:42,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:42,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:42,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:42,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:42,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:42,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:42,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:42,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:42,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:42,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:42,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:42,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-27 23:22:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:42,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:42,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:42,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 23:22:42,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:42,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:22:42,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:42,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:42,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 23:22:42,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:42,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:42,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:42,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:42,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:42,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:42,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:42,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:42,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:42,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:42,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:42,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:42,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:42,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:22:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:42,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:42,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:42,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:42,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:42,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:42,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:42,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:42,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:42,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:42,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:42,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 23:22:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:42,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:42,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:42,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:42,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:42,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:42,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:42,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:42,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:42,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:42,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:42,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 23:22:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:42,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:42,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:42,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:42,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:42,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:42,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:42,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:42,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:42,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:42,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:42,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 23:22:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:42,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:42,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:42,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:42,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:42,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:42,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:42,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:42,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:42,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:42,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:42,289 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2020-10-27 23:22:42,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [202490993] [2020-10-27 23:22:42,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:22:42,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 23:22:42,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513983381] [2020-10-27 23:22:42,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 23:22:42,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:22:42,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 23:22:42,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-27 23:22:42,291 INFO L87 Difference]: Start difference. First operand 1805 states and 2335 transitions. Second operand 12 states. [2020-10-27 23:22:42,681 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:43,078 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:43,239 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:45,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:22:45,065 INFO L93 Difference]: Finished difference Result 3457 states and 4448 transitions. [2020-10-27 23:22:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:22:45,066 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 228 [2020-10-27 23:22:45,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:22:45,075 INFO L225 Difference]: With dead ends: 3457 [2020-10-27 23:22:45,075 INFO L226 Difference]: Without dead ends: 1809 [2020-10-27 23:22:45,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-27 23:22:45,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2020-10-27 23:22:45,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 1805. [2020-10-27 23:22:45,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1805 states. [2020-10-27 23:22:45,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1805 states and 2332 transitions. [2020-10-27 23:22:45,263 INFO L78 Accepts]: Start accepts. Automaton has 1805 states and 2332 transitions. Word has length 228 [2020-10-27 23:22:45,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:22:45,263 INFO L481 AbstractCegarLoop]: Abstraction has 1805 states and 2332 transitions. [2020-10-27 23:22:45,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 23:22:45,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2332 transitions. [2020-10-27 23:22:45,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-27 23:22:45,268 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:22:45,268 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:22:45,269 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-27 23:22:45,269 INFO L429 AbstractCegarLoop]: === Iteration 26 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:22:45,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:22:45,269 INFO L82 PathProgramCache]: Analyzing trace with hash -2068716357, now seen corresponding path program 1 times [2020-10-27 23:22:45,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:22:45,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1488305371] [2020-10-27 23:22:45,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:22:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:45,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:45,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:45,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:45,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:45,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:45,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:50,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:50,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:50,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:50,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:50,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 292 [2020-10-27 23:22:50,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 23:22:50,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 23:22:50,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:50,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 23:22:50,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-27 23:22:50,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-27 23:22:50,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:50,483 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:22:50,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:22:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:50,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:50,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:50,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:22:50,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:50,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:22:50,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:50,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:50,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:50,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:50,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:50,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:50,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:50,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:50,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:50,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:50,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:50,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:51,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:55,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:55,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-27 23:22:55,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 23:22:55,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 23:22:55,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:55,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:22:55,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-27 23:22:55,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 23:22:55,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:55,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:55,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:55,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:55,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:55,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:55,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:55,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:55,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:55,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:55,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:55,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:55,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:55,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:55,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:55,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:55,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:55,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:55,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:55,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:55,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:55,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:55,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:55,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:22:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:55,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:55,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:55,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:22:55,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:55,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:55,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:55,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:55,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:55,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:55,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:55,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:22:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:55,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:55,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:55,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:55,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:55,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:55,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:55,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:55,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:55,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:55,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:55,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:55,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:55,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:55,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:55,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:55,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:22:55,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:22:55,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:22:55,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:55,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:22:55,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:22:55,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 23:22:55,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:55,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 23:22:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:55,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:55,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:55,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 23:22:55,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:55,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:55,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:55,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:55,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-27 23:22:55,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:55,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:55,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:55,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:55,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:55,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:55,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:55,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:55,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:55,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:55,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:55,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:55,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:55,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 23:22:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:55,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:55,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:55,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:55,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:55,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:55,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:55,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:55,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:55,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:55,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:55,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:22:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:55,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:55,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:55,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:55,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:55,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:55,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:55,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:55,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:55,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:55,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:55,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 23:22:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:55,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:55,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:55,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:55,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:55,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:22:55,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:55,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:22:55,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:55,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 23:22:55,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:55,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:55,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:55,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:55,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:55,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:55,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:55,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:55,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:55,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 23:22:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:55,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:55,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:55,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:22:55,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:55,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:22:55,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:55,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:22:55,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:55,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 23:22:55,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:55,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:55,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:55,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:55,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:55,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:55,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:55,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:55,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:55,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:55,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:55,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:55,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 23:22:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:55,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:55,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:55,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:55,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:55,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:22:55,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:55,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:22:55,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:55,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 23:22:55,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:55,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:55,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:55,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:55,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:55,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:55,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:55,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:55,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:55,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:55,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:55,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:55,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-27 23:22:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:55,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:55,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:55,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:22:55,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:55,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:22:55,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:55,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 23:22:55,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:22:55,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 23:22:55,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:55,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:55,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:55,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:55,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:55,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:55,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:55,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:55,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 23:22:55,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:22:55,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:22:55,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:55,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-27 23:22:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:55,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:55,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:55,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 23:22:55,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:55,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 23:22:55,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:55,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 23:22:55,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-27 23:22:55,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 23:22:55,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0