/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 02:45:01,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 02:45:01,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 02:45:01,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 02:45:01,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 02:45:01,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 02:45:01,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 02:45:01,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 02:45:01,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 02:45:01,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 02:45:01,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 02:45:01,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 02:45:01,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 02:45:01,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 02:45:01,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 02:45:01,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 02:45:01,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 02:45:01,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 02:45:01,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 02:45:01,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 02:45:01,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 02:45:01,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 02:45:01,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 02:45:01,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 02:45:01,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 02:45:01,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 02:45:01,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 02:45:01,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 02:45:01,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 02:45:01,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 02:45:01,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 02:45:01,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 02:45:01,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 02:45:01,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 02:45:01,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 02:45:01,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 02:45:01,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 02:45:01,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 02:45:01,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 02:45:01,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 02:45:01,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 02:45:01,900 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 [2020-10-15 02:45:01,945 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 02:45:01,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 02:45:01,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 02:45:01,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 02:45:01,948 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 02:45:01,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 02:45:01,948 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 02:45:01,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 02:45:01,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 02:45:01,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 02:45:01,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 02:45:01,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 02:45:01,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 02:45:01,950 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 02:45:01,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 02:45:01,951 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 02:45:01,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 02:45:01,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 02:45:01,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 02:45:01,951 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 02:45:01,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 02:45:01,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 02:45:01,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 02:45:01,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 02:45:01,953 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 02:45:01,954 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 02:45:01,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 02:45:01,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 02:45:01,954 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 02:45:01,955 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 02:45:02,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 02:45:02,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 02:45:02,318 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 02:45:02,320 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 02:45:02,320 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 02:45:02,321 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c [2020-10-15 02:45:02,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c546c976f/92acb5b29b204de4bfaeaa48de7b5cf0/FLAG8542d1408 [2020-10-15 02:45:02,962 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 02:45:02,963 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c [2020-10-15 02:45:02,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c546c976f/92acb5b29b204de4bfaeaa48de7b5cf0/FLAG8542d1408 [2020-10-15 02:45:03,275 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c546c976f/92acb5b29b204de4bfaeaa48de7b5cf0 [2020-10-15 02:45:03,283 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 02:45:03,284 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 02:45:03,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 02:45:03,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 02:45:03,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 02:45:03,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:45:03" (1/1) ... [2020-10-15 02:45:03,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21715d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:45:03, skipping insertion in model container [2020-10-15 02:45:03,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:45:03" (1/1) ... [2020-10-15 02:45:03,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 02:45:03,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 02:45:03,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:45:03,844 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 02:45:03,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:45:03,986 INFO L208 MainTranslator]: Completed translation [2020-10-15 02:45:03,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:45:03 WrapperNode [2020-10-15 02:45:03,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 02:45:03,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 02:45:03,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 02:45:03,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 02:45:03,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:45:03" (1/1) ... [2020-10-15 02:45:03,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:45:03" (1/1) ... [2020-10-15 02:45:04,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:45:03" (1/1) ... [2020-10-15 02:45:04,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:45:03" (1/1) ... [2020-10-15 02:45:04,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:45:03" (1/1) ... [2020-10-15 02:45:04,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:45:03" (1/1) ... [2020-10-15 02:45:04,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:45:03" (1/1) ... [2020-10-15 02:45:04,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 02:45:04,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 02:45:04,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 02:45:04,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 02:45:04,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:45:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 02:45:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 02:45:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 02:45:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 02:45:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2020-10-15 02:45:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2020-10-15 02:45:04,186 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2020-10-15 02:45:04,186 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2020-10-15 02:45:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-15 02:45:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-15 02:45:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 02:45:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-15 02:45:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 02:45:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-15 02:45:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-15 02:45:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 02:45:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-15 02:45:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 02:45:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 02:45:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-15 02:45:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-15 02:45:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-10-15 02:45:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-10-15 02:45:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-10-15 02:45:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2020-10-15 02:45:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-15 02:45:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-15 02:45:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 02:45:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 02:45:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 02:45:05,613 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 02:45:05,613 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-15 02:45:05,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:45:05 BoogieIcfgContainer [2020-10-15 02:45:05,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 02:45:05,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 02:45:05,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 02:45:05,625 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 02:45:05,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:45:03" (1/3) ... [2020-10-15 02:45:05,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7943f30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:45:05, skipping insertion in model container [2020-10-15 02:45:05,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:45:03" (2/3) ... [2020-10-15 02:45:05,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7943f30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:45:05, skipping insertion in model container [2020-10-15 02:45:05,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:45:05" (3/3) ... [2020-10-15 02:45:05,629 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c [2020-10-15 02:45:05,640 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 02:45:05,648 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 02:45:05,662 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 02:45:05,689 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 02:45:05,689 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 02:45:05,689 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 02:45:05,690 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 02:45:05,690 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 02:45:05,690 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 02:45:05,690 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 02:45:05,690 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 02:45:05,716 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states. [2020-10-15 02:45:05,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-15 02:45:05,733 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:45:05,735 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:45:05,735 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:45:05,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:45:05,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1394986335, now seen corresponding path program 1 times [2020-10-15 02:45:05,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:45:05,752 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1123625402] [2020-10-15 02:45:05,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:45:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:06,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:06,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:06,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-15 02:45:06,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:06,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 621 [2020-10-15 02:45:06,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:06,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:06,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:06,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-15 02:45:06,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:06,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:45:07,384 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-15 02:45:07,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:45:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:07,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:07,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:07,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:45:07,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:07,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-15 02:45:07,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:07,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:07,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:07,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:07,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:07,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:07,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:45:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:07,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:07,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:07,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-15 02:45:07,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:07,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-15 02:45:07,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:07,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:07,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:07,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:07,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:07,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:07,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-15 02:45:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:07,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:07,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:07,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:45:07,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:07,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:45:07,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:07,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:07,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:07,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 02:45:07,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:07,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:07,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 02:45:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:07,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:07,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:07,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:07,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:07,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:45:07,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:07,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:07,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:07,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:45:07,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:07,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:07,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 02:45:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:07,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:07,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:07,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:07,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:07,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:45:07,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:07,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:07,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:07,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:45:07,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:07,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:07,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 02:45:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:07,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:07,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:07,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:07,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:07,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:45:07,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:07,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:07,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:07,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:45:07,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:07,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:07,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 02:45:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:07,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:07,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:07,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:07,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:07,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:45:07,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:07,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:07,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:07,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:45:07,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:07,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:07,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 02:45:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:07,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:07,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:07,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:45:07,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:07,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:45:07,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:07,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:07,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:07,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:45:07,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:07,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:07,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:45:07,845 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1123625402] [2020-10-15 02:45:07,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:45:07,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 02:45:07,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068804018] [2020-10-15 02:45:07,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 02:45:07,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:45:07,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 02:45:07,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-15 02:45:07,873 INFO L87 Difference]: Start difference. First operand 365 states. Second operand 7 states. [2020-10-15 02:45:08,929 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:45:09,459 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:45:09,972 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:45:10,592 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:45:11,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:45:11,167 INFO L93 Difference]: Finished difference Result 560 states and 943 transitions. [2020-10-15 02:45:11,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 02:45:11,169 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 108 [2020-10-15 02:45:11,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:45:11,189 INFO L225 Difference]: With dead ends: 560 [2020-10-15 02:45:11,190 INFO L226 Difference]: Without dead ends: 400 [2020-10-15 02:45:11,195 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:45:11,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2020-10-15 02:45:11,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 360. [2020-10-15 02:45:11,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-10-15 02:45:11,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 619 transitions. [2020-10-15 02:45:11,319 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 619 transitions. Word has length 108 [2020-10-15 02:45:11,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:45:11,321 INFO L479 AbstractCegarLoop]: Abstraction has 360 states and 619 transitions. [2020-10-15 02:45:11,321 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 02:45:11,322 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 619 transitions. [2020-10-15 02:45:11,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-15 02:45:11,335 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:45:11,335 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:45:11,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 02:45:11,336 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:45:11,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:45:11,336 INFO L82 PathProgramCache]: Analyzing trace with hash -501499997, now seen corresponding path program 1 times [2020-10-15 02:45:11,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:45:11,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1883069370] [2020-10-15 02:45:11,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:45:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:11,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:12,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:12,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-15 02:45:12,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:12,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1402 [2020-10-15 02:45:12,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:12,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:12,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:45:12,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-15 02:45:12,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:45:12,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:13,371 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-15 02:45:13,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:45:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:13,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:13,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:13,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:45:13,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:13,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 02:45:13,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:13,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:13,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:13,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:13,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:13,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:13,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:45:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:13,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:13,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:13,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-15 02:45:13,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:13,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-10-15 02:45:13,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:13,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:13,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:45:13,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:13,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-15 02:45:13,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:13,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-15 02:45:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:13,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:13,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:13,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:45:13,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:13,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:45:13,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:13,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:13,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:45:13,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:45:13,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:45:13,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 02:45:13,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 02:45:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:13,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:13,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:13,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:13,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:13,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:45:13,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:13,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:13,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:13,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:45:13,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:13,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:13,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 02:45:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:13,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:13,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:13,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:13,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:13,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:45:13,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:13,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:13,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:13,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:45:13,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:13,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:13,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 02:45:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:13,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:13,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:13,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:13,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:13,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:45:13,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:13,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:13,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:13,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:45:13,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:13,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:14,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 02:45:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:14,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:14,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:14,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:14,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:14,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:45:14,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:14,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:45:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:14,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:45:14,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 02:45:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:14,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:14,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:14,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:45:14,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:14,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:45:14,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:14,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:14,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:14,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:45:14,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:14,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:14,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:45:14,119 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1883069370] [2020-10-15 02:45:14,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:45:14,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 02:45:14,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200793850] [2020-10-15 02:45:14,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 02:45:14,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:45:14,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 02:45:14,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:45:14,123 INFO L87 Difference]: Start difference. First operand 360 states and 619 transitions. Second operand 13 states. [2020-10-15 02:45:16,510 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2020-10-15 02:45:16,905 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-10-15 02:45:17,436 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2020-10-15 02:45:17,915 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2020-10-15 02:45:18,731 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:45:19,283 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:45:19,904 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:45:21,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:45:21,392 INFO L93 Difference]: Finished difference Result 558 states and 935 transitions. [2020-10-15 02:45:21,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 02:45:21,393 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 108 [2020-10-15 02:45:21,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:45:21,401 INFO L225 Difference]: With dead ends: 558 [2020-10-15 02:45:21,401 INFO L226 Difference]: Without dead ends: 400 [2020-10-15 02:45:21,403 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2020-10-15 02:45:21,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2020-10-15 02:45:21,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 360. [2020-10-15 02:45:21,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-10-15 02:45:21,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 573 transitions. [2020-10-15 02:45:21,450 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 573 transitions. Word has length 108 [2020-10-15 02:45:21,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:45:21,450 INFO L479 AbstractCegarLoop]: Abstraction has 360 states and 573 transitions. [2020-10-15 02:45:21,451 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 02:45:21,451 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 573 transitions. [2020-10-15 02:45:21,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-15 02:45:21,453 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:45:21,454 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:45:21,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 02:45:21,454 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:45:21,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:45:21,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1869459725, now seen corresponding path program 1 times [2020-10-15 02:45:21,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:45:21,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1869855240] [2020-10-15 02:45:21,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:45:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:21,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:22,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:22,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:23,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:24,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:26,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:26,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-15 02:45:26,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:45:26,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-15 02:45:26,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:26,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:26,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:45:26,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-15 02:45:26,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:45:26,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:26,985 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-15 02:45:26,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:45:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:27,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:27,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:27,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:45:27,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:27,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 02:45:27,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:27,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:27,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:27,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:27,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:27,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:45:27,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:45:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:27,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:27,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:27,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-15 02:45:27,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:27,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-15 02:45:27,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:27,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:27,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:45:27,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:27,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-15 02:45:27,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:27,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:45:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:27,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:27,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:27,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:45:27,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:27,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:45:27,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:27,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:27,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:45:27,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:27,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:45:27,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:27,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:45:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:27,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:27,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:27,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:27,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:27,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:45:27,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:27,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:27,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:45:27,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:27,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:45:27,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:45:27,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 02:45:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:27,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:27,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:27,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:27,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:27,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:45:27,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:27,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:45:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:45:27,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:27,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-15 02:45:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:27,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:27,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:27,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:27,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:27,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:45:27,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:27,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:27,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:45:27,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:27,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:45:27,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:27,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 02:45:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:27,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:27,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:27,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:27,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:27,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 02:45:27,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:27,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:27,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:45:27,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:45:27,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:45:27,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:27,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-15 02:45:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:27,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:27,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:27,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:45:27,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:27,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:45:27,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:27,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:27,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:27,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:45:27,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:27,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:27,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:45:27,577 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1869855240] [2020-10-15 02:45:27,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:45:27,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 02:45:27,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875626957] [2020-10-15 02:45:27,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:45:27,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:45:27,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:45:27,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:45:27,581 INFO L87 Difference]: Start difference. First operand 360 states and 573 transitions. Second operand 10 states. [2020-10-15 02:45:27,998 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2020-10-15 02:45:30,179 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:45:31,027 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:45:31,245 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:45:33,090 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2020-10-15 02:45:33,222 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-15 02:45:33,357 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-15 02:45:33,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:45:33,655 INFO L93 Difference]: Finished difference Result 750 states and 1199 transitions. [2020-10-15 02:45:33,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 02:45:33,656 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 153 [2020-10-15 02:45:33,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:45:33,663 INFO L225 Difference]: With dead ends: 750 [2020-10-15 02:45:33,663 INFO L226 Difference]: Without dead ends: 598 [2020-10-15 02:45:33,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2020-10-15 02:45:33,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2020-10-15 02:45:33,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 512. [2020-10-15 02:45:33,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2020-10-15 02:45:33,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 818 transitions. [2020-10-15 02:45:33,730 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 818 transitions. Word has length 153 [2020-10-15 02:45:33,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:45:33,731 INFO L479 AbstractCegarLoop]: Abstraction has 512 states and 818 transitions. [2020-10-15 02:45:33,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:45:33,731 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 818 transitions. [2020-10-15 02:45:33,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-15 02:45:33,734 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:45:33,734 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:45:33,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 02:45:33,735 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:45:33,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:45:33,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1760758797, now seen corresponding path program 1 times [2020-10-15 02:45:33,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:45:33,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [803679972] [2020-10-15 02:45:33,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:45:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:33,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:34,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:34,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:35,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:35,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:36,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:36,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:38,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:38,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-15 02:45:38,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 02:45:38,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-15 02:45:38,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:38,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:38,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:45:38,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 02:45:38,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-15 02:45:38,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:45:39,248 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-15 02:45:39,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:45:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:39,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:39,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:39,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:45:39,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:39,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:45:39,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:39,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:39,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:39,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:39,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:39,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:39,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:45:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:39,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:39,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:39,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-15 02:45:39,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:39,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-15 02:45:39,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:39,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:39,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:45:39,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:39,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:45:39,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:39,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:45:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:39,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:39,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:39,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:45:39,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:39,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:45:39,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:39,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:39,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:45:39,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:39,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:45:39,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:39,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:45:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:39,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:39,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:39,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:39,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:39,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:45:39,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:39,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:39,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:45:39,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:39,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:45:39,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:45:39,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 02:45:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:39,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:39,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:39,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:39,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:39,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:45:39,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:39,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:39,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:45:39,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:39,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:45:39,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:39,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-15 02:45:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:39,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:39,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:39,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:39,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:39,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:45:39,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:39,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:39,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:45:39,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:39,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:45:39,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:39,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 02:45:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:39,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:39,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:39,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 02:45:39,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:39,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:45:39,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:39,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:39,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:45:39,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:45:39,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:45:39,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:45:39,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-15 02:45:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:39,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:39,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:39,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:45:39,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:39,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:45:39,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:39,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:39,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:39,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:45:39,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:39,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:45:39,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:45:39,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [803679972] [2020-10-15 02:45:39,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:45:39,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 02:45:39,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029139301] [2020-10-15 02:45:39,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:45:39,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:45:39,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:45:39,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:45:39,992 INFO L87 Difference]: Start difference. First operand 512 states and 818 transitions. Second operand 10 states. [2020-10-15 02:45:40,553 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2020-10-15 02:45:41,026 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2020-10-15 02:45:41,617 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-10-15 02:45:42,374 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 261 [2020-10-15 02:45:46,767 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-15 02:45:47,123 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:45:47,797 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:45:48,058 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:45:49,070 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:45:49,371 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:45:50,398 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:45:50,844 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:45:51,666 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:45:52,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:45:52,886 INFO L93 Difference]: Finished difference Result 2137 states and 3434 transitions. [2020-10-15 02:45:52,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-15 02:45:52,887 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156 [2020-10-15 02:45:52,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:45:52,904 INFO L225 Difference]: With dead ends: 2137 [2020-10-15 02:45:52,905 INFO L226 Difference]: Without dead ends: 1662 [2020-10-15 02:45:52,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:45:52,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2020-10-15 02:45:53,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1438. [2020-10-15 02:45:53,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1438 states. [2020-10-15 02:45:53,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 2295 transitions. [2020-10-15 02:45:53,069 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 2295 transitions. Word has length 156 [2020-10-15 02:45:53,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:45:53,070 INFO L479 AbstractCegarLoop]: Abstraction has 1438 states and 2295 transitions. [2020-10-15 02:45:53,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:45:53,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 2295 transitions. [2020-10-15 02:45:53,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-15 02:45:53,075 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:45:53,075 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:45:53,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 02:45:53,076 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:45:53,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:45:53,076 INFO L82 PathProgramCache]: Analyzing trace with hash -897536887, now seen corresponding path program 1 times [2020-10-15 02:45:53,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:45:53,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1881421374] [2020-10-15 02:45:53,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:45:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:53,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:53,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:53,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:53,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:56,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:56,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:56,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:58,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:58,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-15 02:45:58,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 02:45:58,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-15 02:45:58,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:58,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:58,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:45:58,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 02:45:58,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-15 02:45:58,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:45:58,730 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-15 02:45:58,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:45:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:58,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:58,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:58,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:45:58,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:58,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:45:58,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:58,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:58,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:58,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:58,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:45:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:58,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:58,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:58,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-15 02:45:58,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:58,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-15 02:45:58,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:58,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:58,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:45:58,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:58,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:45:58,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:45:59,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:45:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:59,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:59,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:59,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:45:59,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:59,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:45:59,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:59,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:59,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:45:59,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:59,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:45:59,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:59,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:45:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:59,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:59,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:59,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:59,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:59,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:45:59,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:59,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:59,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:45:59,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:59,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:45:59,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:59,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 02:45:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:59,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:59,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:59,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:59,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:59,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:45:59,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:59,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:59,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:45:59,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:59,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:45:59,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:59,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-15 02:45:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:59,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:59,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:59,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:45:59,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:59,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:45:59,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:59,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:59,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:45:59,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:45:59,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:45:59,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:59,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 02:45:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:59,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:59,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:59,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 02:45:59,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:59,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:45:59,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:59,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:59,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:45:59,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 02:45:59,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:45:59,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:59,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-15 02:45:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:45:59,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:45:59,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:45:59,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:45:59,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:45:59,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:45:59,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:45:59,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:45:59,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:45:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:45:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:45:59,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:45:59,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:45:59,540 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1881421374] [2020-10-15 02:45:59,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:45:59,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 02:45:59,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108833038] [2020-10-15 02:45:59,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:45:59,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:45:59,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:45:59,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:45:59,544 INFO L87 Difference]: Start difference. First operand 1438 states and 2295 transitions. Second operand 10 states. [2020-10-15 02:46:00,005 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2020-10-15 02:46:00,414 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-10-15 02:46:00,926 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2020-10-15 02:46:01,649 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 258 [2020-10-15 02:46:06,569 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-15 02:46:06,950 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:46:07,621 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:46:08,005 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:46:08,905 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:46:09,353 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:46:09,711 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:46:10,313 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:46:10,954 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:46:11,202 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:46:11,788 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:46:13,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:46:13,114 INFO L93 Difference]: Finished difference Result 6055 states and 9699 transitions. [2020-10-15 02:46:13,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-15 02:46:13,120 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2020-10-15 02:46:13,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:46:13,146 INFO L225 Difference]: With dead ends: 6055 [2020-10-15 02:46:13,146 INFO L226 Difference]: Without dead ends: 4744 [2020-10-15 02:46:13,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:46:13,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4744 states. [2020-10-15 02:46:13,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4744 to 4132. [2020-10-15 02:46:13,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4132 states. [2020-10-15 02:46:13,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4132 states to 4132 states and 6574 transitions. [2020-10-15 02:46:13,581 INFO L78 Accepts]: Start accepts. Automaton has 4132 states and 6574 transitions. Word has length 157 [2020-10-15 02:46:13,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:46:13,582 INFO L479 AbstractCegarLoop]: Abstraction has 4132 states and 6574 transitions. [2020-10-15 02:46:13,582 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:46:13,582 INFO L276 IsEmpty]: Start isEmpty. Operand 4132 states and 6574 transitions. [2020-10-15 02:46:13,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-15 02:46:13,592 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:46:13,592 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:46:13,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 02:46:13,593 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:46:13,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:46:13,593 INFO L82 PathProgramCache]: Analyzing trace with hash 531352680, now seen corresponding path program 1 times [2020-10-15 02:46:13,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:46:13,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [74419272] [2020-10-15 02:46:13,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:46:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:13,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:13,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:13,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:14,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:16,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:16,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:17,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:18,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:18,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-15 02:46:18,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 02:46:18,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-15 02:46:18,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:18,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:18,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:46:18,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 02:46:18,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-15 02:46:18,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:46:19,107 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-15 02:46:19,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:46:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:19,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:19,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:19,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:46:19,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:19,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:46:19,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:19,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:19,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:46:19,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:46:19,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:46:19,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:46:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:19,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:19,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:19,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-15 02:46:19,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:19,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-15 02:46:19,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:19,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:19,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:46:19,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:19,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 02:46:19,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:19,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:46:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:19,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:19,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:19,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:46:19,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:19,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:46:19,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:19,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:46:19,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:19,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:46:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:19,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:19,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:19,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:46:19,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:19,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:46:19,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:19,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:19,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:19,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:19,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:46:19,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:19,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 02:46:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:19,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:19,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:19,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:46:19,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:19,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:46:19,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:19,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:19,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:19,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:19,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:46:19,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:19,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-15 02:46:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:19,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:19,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:19,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:46:19,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:19,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:46:19,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:19,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:19,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:46:19,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:19,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 02:46:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:19,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:19,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:19,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:46:19,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:19,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:46:19,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:19,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:19,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:19,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 02:46:19,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:46:19,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:19,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-15 02:46:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:19,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:19,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:19,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:46:19,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:19,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:46:19,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:19,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:19,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:46:19,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:46:19,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:46:19,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:19,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:46:19,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [74419272] [2020-10-15 02:46:19,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:46:19,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 02:46:19,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066676260] [2020-10-15 02:46:19,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:46:19,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:46:19,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:46:19,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:46:19,677 INFO L87 Difference]: Start difference. First operand 4132 states and 6574 transitions. Second operand 10 states. [2020-10-15 02:46:20,068 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2020-10-15 02:46:20,483 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-10-15 02:46:21,347 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2020-10-15 02:46:22,103 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 258 [2020-10-15 02:46:26,758 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-15 02:46:27,117 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:46:27,367 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:46:27,782 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:46:28,136 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:46:28,678 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:46:29,179 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:46:29,555 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:46:30,063 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:46:30,567 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:46:31,101 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:46:31,514 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:46:31,929 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:46:33,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:46:33,111 INFO L93 Difference]: Finished difference Result 17231 states and 27458 transitions. [2020-10-15 02:46:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-15 02:46:33,114 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 158 [2020-10-15 02:46:33,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:46:33,175 INFO L225 Difference]: With dead ends: 17231 [2020-10-15 02:46:33,175 INFO L226 Difference]: Without dead ends: 13400 [2020-10-15 02:46:33,189 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:46:33,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13400 states. [2020-10-15 02:46:34,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13400 to 11690. [2020-10-15 02:46:34,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11690 states. [2020-10-15 02:46:34,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11690 states to 11690 states and 18455 transitions. [2020-10-15 02:46:34,182 INFO L78 Accepts]: Start accepts. Automaton has 11690 states and 18455 transitions. Word has length 158 [2020-10-15 02:46:34,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:46:34,182 INFO L479 AbstractCegarLoop]: Abstraction has 11690 states and 18455 transitions. [2020-10-15 02:46:34,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:46:34,183 INFO L276 IsEmpty]: Start isEmpty. Operand 11690 states and 18455 transitions. [2020-10-15 02:46:34,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-15 02:46:34,209 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:46:34,209 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:46:34,210 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 02:46:34,210 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:46:34,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:46:34,210 INFO L82 PathProgramCache]: Analyzing trace with hash -964653436, now seen corresponding path program 1 times [2020-10-15 02:46:34,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:46:34,211 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [811380365] [2020-10-15 02:46:34,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:46:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:34,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:34,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:34,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:35,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:35,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:35,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:36,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:39,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:39,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-15 02:46:39,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 02:46:39,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-15 02:46:39,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:39,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:39,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:46:39,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-10-15 02:46:39,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:46:39,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:39,688 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-15 02:46:39,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:46:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:39,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:39,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:39,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:46:39,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:39,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:46:39,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:39,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:46:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:39,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:46:39,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:39,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:46:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:39,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:39,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:39,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-15 02:46:39,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:39,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-15 02:46:39,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:39,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 02:46:39,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:39,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:46:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:39,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:39,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:39,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:46:39,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:39,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:46:39,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:39,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:39,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:39,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:39,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:46:39,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:39,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:46:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:39,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:39,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:39,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:46:39,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:39,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:46:39,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:39,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:39,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:39,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:39,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:46:39,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:39,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 02:46:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:39,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:39,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:39,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:46:39,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:39,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:46:39,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:39,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:39,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:39,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:39,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:46:39,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:39,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-15 02:46:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:39,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:39,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:39,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:46:39,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:39,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:46:39,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:39,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:39,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:46:39,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:46:39,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:46:39,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:40,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 02:46:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:40,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:40,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:40,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:46:40,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:40,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:46:40,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:40,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:40,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:46:40,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 02:46:40,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:46:40,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 78 [2020-10-15 02:46:40,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-15 02:46:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:40,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:40,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:40,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:46:40,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:40,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:46:40,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:40,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:40,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:46:40,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:46:40,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:46:40,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:40,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:46:40,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [811380365] [2020-10-15 02:46:40,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:46:40,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 02:46:40,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528722489] [2020-10-15 02:46:40,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:46:40,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:46:40,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:46:40,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:46:40,213 INFO L87 Difference]: Start difference. First operand 11690 states and 18455 transitions. Second operand 10 states. [2020-10-15 02:46:40,610 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2020-10-15 02:46:42,965 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:46:43,422 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:46:43,962 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:46:44,273 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:46:44,692 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:46:44,967 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:46:46,220 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:46:46,576 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:46:46,962 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-15 02:46:47,375 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-15 02:46:47,565 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-15 02:46:47,836 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:46:48,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:46:48,020 INFO L93 Difference]: Finished difference Result 23705 states and 37729 transitions. [2020-10-15 02:46:48,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 02:46:48,025 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 159 [2020-10-15 02:46:48,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:46:48,090 INFO L225 Difference]: With dead ends: 23705 [2020-10-15 02:46:48,090 INFO L226 Difference]: Without dead ends: 18245 [2020-10-15 02:46:48,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2020-10-15 02:46:48,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18245 states. [2020-10-15 02:46:49,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18245 to 15613. [2020-10-15 02:46:49,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15613 states. [2020-10-15 02:46:49,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15613 states to 15613 states and 24611 transitions. [2020-10-15 02:46:49,248 INFO L78 Accepts]: Start accepts. Automaton has 15613 states and 24611 transitions. Word has length 159 [2020-10-15 02:46:49,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:46:49,248 INFO L479 AbstractCegarLoop]: Abstraction has 15613 states and 24611 transitions. [2020-10-15 02:46:49,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:46:49,249 INFO L276 IsEmpty]: Start isEmpty. Operand 15613 states and 24611 transitions. [2020-10-15 02:46:49,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-15 02:46:49,276 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:46:49,276 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:46:49,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 02:46:49,277 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:46:49,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:46:49,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1613689068, now seen corresponding path program 1 times [2020-10-15 02:46:49,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:46:49,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1089514840] [2020-10-15 02:46:49,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:46:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:49,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:49,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:49,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:49,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:49,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:50,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:54,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:54,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-15 02:46:54,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:46:54,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-15 02:46:54,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:54,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:54,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:46:54,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 02:46:54,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-15 02:46:54,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:54,725 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-15 02:46:54,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:46:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:54,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:54,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:54,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:46:54,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:54,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:46:54,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:54,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:54,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:46:54,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:54,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:46:54,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:54,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:46:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:54,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:54,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:54,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-15 02:46:54,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:54,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-15 02:46:54,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:54,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:54,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:46:54,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:54,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:46:54,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:54,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:46:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:54,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:54,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:54,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:46:54,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:54,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:46:54,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:54,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:54,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:54,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:54,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:46:54,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:54,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:46:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:54,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:54,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:54,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:46:54,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:54,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:46:54,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:54,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:54,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:54,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:54,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:46:54,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:55,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 02:46:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:55,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:55,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:55,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:46:55,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:55,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:46:55,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:55,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:55,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:55,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:46:55,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:46:55,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:55,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-15 02:46:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:55,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:55,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:55,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 02:46:55,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:55,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:46:55,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:55,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:55,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:46:55,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 02:46:55,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:46:55,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:55,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-15 02:46:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:55,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:55,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:55,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:46:55,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:55,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:46:55,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:55,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:55,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:46:55,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 02:46:55,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:46:55,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:55,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-15 02:46:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:46:55,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:46:55,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:46:55,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:46:55,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:46:55,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:46:55,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:46:55,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:46:55,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:46:55,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:46:55,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:46:55,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:46:55,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:46:55,286 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1089514840] [2020-10-15 02:46:55,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:46:55,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 02:46:55,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322924319] [2020-10-15 02:46:55,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:46:55,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:46:55,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:46:55,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:46:55,288 INFO L87 Difference]: Start difference. First operand 15613 states and 24611 transitions. Second operand 10 states. [2020-10-15 02:46:55,683 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2020-10-15 02:46:56,105 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2020-10-15 02:46:56,755 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-10-15 02:46:57,512 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 258 [2020-10-15 02:47:02,940 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-15 02:47:03,366 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:47:03,627 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:47:04,087 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:47:04,410 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:47:04,913 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:47:05,554 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:47:06,010 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:47:06,466 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:47:07,049 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:47:07,675 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:47:07,944 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:47:08,579 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:47:10,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:47:10,300 INFO L93 Difference]: Finished difference Result 61317 states and 96811 transitions. [2020-10-15 02:47:10,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-15 02:47:10,301 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2020-10-15 02:47:10,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:47:10,474 INFO L225 Difference]: With dead ends: 61317 [2020-10-15 02:47:10,475 INFO L226 Difference]: Without dead ends: 46329 [2020-10-15 02:47:10,526 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:47:10,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46329 states. [2020-10-15 02:47:14,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46329 to 40344. [2020-10-15 02:47:14,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40344 states. [2020-10-15 02:47:14,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40344 states to 40344 states and 62889 transitions. [2020-10-15 02:47:14,187 INFO L78 Accepts]: Start accepts. Automaton has 40344 states and 62889 transitions. Word has length 162 [2020-10-15 02:47:14,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:47:14,188 INFO L479 AbstractCegarLoop]: Abstraction has 40344 states and 62889 transitions. [2020-10-15 02:47:14,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:47:14,188 INFO L276 IsEmpty]: Start isEmpty. Operand 40344 states and 62889 transitions. [2020-10-15 02:47:14,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-15 02:47:14,246 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:47:14,247 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:47:14,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 02:47:14,247 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:47:14,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:47:14,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1391070184, now seen corresponding path program 1 times [2020-10-15 02:47:14,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:47:14,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1107270169] [2020-10-15 02:47:14,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:47:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:14,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:14,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:14,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:14,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:15,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:19,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:19,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-15 02:47:19,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:47:19,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-15 02:47:19,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:19,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:19,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:47:19,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 02:47:19,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-15 02:47:19,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:19,703 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-15 02:47:19,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:47:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:19,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:19,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:19,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:47:19,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:19,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:47:19,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:19,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:19,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:47:19,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:19,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:47:19,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:19,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:47:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:19,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:19,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:19,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-15 02:47:19,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:19,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-15 02:47:19,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:19,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:19,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:47:19,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:19,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:47:19,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:19,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:47:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:19,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:19,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:19,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:47:19,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:19,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:47:19,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:19,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:19,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:19,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:19,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:47:19,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:19,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:47:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:19,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:19,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:19,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:47:19,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:19,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:47:19,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:19,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:19,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:19,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:19,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:47:19,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:19,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 02:47:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:19,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:19,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:19,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:47:19,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:19,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:47:19,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:19,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:47:19,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:20,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-15 02:47:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:20,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:20,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:20,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 02:47:20,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:20,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:47:20,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:20,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:47:20,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:47:20,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:20,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-15 02:47:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:20,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:20,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:20,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:47:20,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:20,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:47:20,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:20,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:20,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:47:20,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 02:47:20,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:47:20,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:20,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-15 02:47:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:20,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:20,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:20,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:47:20,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:20,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:47:20,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:20,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:20,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:47:20,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:47:20,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:47:20,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:20,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:47:20,144 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1107270169] [2020-10-15 02:47:20,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:47:20,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 02:47:20,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379310460] [2020-10-15 02:47:20,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:47:20,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:47:20,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:47:20,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:47:20,146 INFO L87 Difference]: Start difference. First operand 40344 states and 62889 transitions. Second operand 10 states. [2020-10-15 02:47:20,548 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2020-10-15 02:47:20,913 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2020-10-15 02:47:21,345 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-15 02:47:21,731 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-15 02:47:27,299 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-15 02:47:27,636 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:47:27,906 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:47:28,485 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:47:28,902 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:47:29,869 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:47:30,240 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:47:31,271 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:47:31,479 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:47:34,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:47:34,151 INFO L93 Difference]: Finished difference Result 130217 states and 203989 transitions. [2020-10-15 02:47:34,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 02:47:34,152 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 163 [2020-10-15 02:47:34,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:47:34,532 INFO L225 Difference]: With dead ends: 130217 [2020-10-15 02:47:34,533 INFO L226 Difference]: Without dead ends: 90975 [2020-10-15 02:47:34,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2020-10-15 02:47:34,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90975 states. [2020-10-15 02:47:40,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90975 to 79985. [2020-10-15 02:47:40,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79985 states. [2020-10-15 02:47:40,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79985 states to 79985 states and 122972 transitions. [2020-10-15 02:47:40,990 INFO L78 Accepts]: Start accepts. Automaton has 79985 states and 122972 transitions. Word has length 163 [2020-10-15 02:47:40,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:47:40,991 INFO L479 AbstractCegarLoop]: Abstraction has 79985 states and 122972 transitions. [2020-10-15 02:47:40,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:47:40,991 INFO L276 IsEmpty]: Start isEmpty. Operand 79985 states and 122972 transitions. [2020-10-15 02:47:41,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-15 02:47:41,059 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:47:41,060 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:47:41,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 02:47:41,060 INFO L427 AbstractCegarLoop]: === Iteration 10 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:47:41,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:47:41,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1910776177, now seen corresponding path program 1 times [2020-10-15 02:47:41,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:47:41,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1242409925] [2020-10-15 02:47:41,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:47:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:41,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:41,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:41,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:41,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:41,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:43,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:43,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:44,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:45,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:46,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:46,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-15 02:47:46,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-15 02:47:46,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-15 02:47:46,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:46,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:46,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:47:46,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 02:47:46,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-15 02:47:46,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:46,542 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-15 02:47:46,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:47:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:46,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:46,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:46,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:47:46,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:46,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:47:46,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:46,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:46,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:47:46,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:46,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:47:46,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:46,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:47:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:46,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:46,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:46,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-15 02:47:46,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:46,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-15 02:47:46,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:46,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:46,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:47:46,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:46,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 02:47:46,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:46,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:47:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:46,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:46,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:46,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:47:46,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:46,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:47:46,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:46,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:46,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:46,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:46,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:47:46,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:46,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:47:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:46,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:46,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:46,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:47:46,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:46,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:47:46,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:46,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:46,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:46,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:46,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:47:46,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:46,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 02:47:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:46,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:46,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:46,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:47:46,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:46,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:47:46,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:46,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:46,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:46,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:47:46,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:47:46,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:46,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-15 02:47:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:46,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:46,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:46,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 02:47:46,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:46,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:47:46,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:46,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:46,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:47:46,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:47:46,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:47:46,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:46,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-15 02:47:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:46,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:46,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:46,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:47:46,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:46,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:47:46,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:46,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:46,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:47:46,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 02:47:46,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:47:46,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:46,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-15 02:47:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:47:46,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:47:46,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:47:46,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:47:46,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:47:46,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:47:46,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:47:46,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:47:46,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:47:46,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:47:46,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:47:46,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:47:47,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:47:47,016 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1242409925] [2020-10-15 02:47:47,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:47:47,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 02:47:47,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087358802] [2020-10-15 02:47:47,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:47:47,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:47:47,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:47:47,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:47:47,018 INFO L87 Difference]: Start difference. First operand 79985 states and 122972 transitions. Second operand 10 states. [2020-10-15 02:47:47,707 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2020-10-15 02:47:48,129 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2020-10-15 02:47:48,758 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-10-15 02:47:49,559 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 258 [2020-10-15 02:48:02,227 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-15 02:48:02,692 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:48:02,994 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:48:03,420 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:48:03,907 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:48:04,409 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:48:04,952 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:48:05,681 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:48:06,119 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:48:06,625 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:48:07,821 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:48:08,059 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:48:08,359 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:48:12,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:48:12,683 INFO L93 Difference]: Finished difference Result 308229 states and 475542 transitions. [2020-10-15 02:48:12,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-15 02:48:12,684 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 164 [2020-10-15 02:48:12,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:48:13,435 INFO L225 Difference]: With dead ends: 308229 [2020-10-15 02:48:13,436 INFO L226 Difference]: Without dead ends: 230359 [2020-10-15 02:48:13,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:48:13,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230359 states. [2020-10-15 02:48:30,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230359 to 204495. [2020-10-15 02:48:30,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204495 states. [2020-10-15 02:48:30,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204495 states to 204495 states and 310467 transitions. [2020-10-15 02:48:30,489 INFO L78 Accepts]: Start accepts. Automaton has 204495 states and 310467 transitions. Word has length 164 [2020-10-15 02:48:30,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:48:30,489 INFO L479 AbstractCegarLoop]: Abstraction has 204495 states and 310467 transitions. [2020-10-15 02:48:30,489 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:48:30,489 INFO L276 IsEmpty]: Start isEmpty. Operand 204495 states and 310467 transitions. [2020-10-15 02:48:30,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-15 02:48:30,689 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:48:30,689 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:48:30,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 02:48:30,689 INFO L427 AbstractCegarLoop]: === Iteration 11 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:48:30,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:48:30,690 INFO L82 PathProgramCache]: Analyzing trace with hash 2073108589, now seen corresponding path program 1 times [2020-10-15 02:48:30,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:48:30,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079161657] [2020-10-15 02:48:30,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:48:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:48:30,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:30,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:30,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:31,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:31,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:32,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:32,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:33,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:48:34,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking...