/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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_lcr.8_overflow.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 07:59:06,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 07:59:06,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 07:59:06,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 07:59:06,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 07:59:06,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 07:59:06,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 07:59:06,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 07:59:06,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 07:59:06,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 07:59:06,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 07:59:06,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 07:59:06,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 07:59:06,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 07:59:06,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 07:59:06,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 07:59:06,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 07:59:06,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 07:59:06,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 07:59:06,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 07:59:06,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 07:59:06,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 07:59:06,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 07:59:06,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 07:59:07,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 07:59:07,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 07:59:07,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 07:59:07,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 07:59:07,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 07:59:07,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 07:59:07,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 07:59:07,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 07:59:07,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 07:59:07,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 07:59:07,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 07:59:07,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 07:59:07,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 07:59:07,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 07:59:07,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 07:59:07,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 07:59:07,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 07:59:07,012 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 07:59:07,036 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 07:59:07,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 07:59:07,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 07:59:07,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 07:59:07,038 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 07:59:07,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 07:59:07,038 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 07:59:07,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 07:59:07,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 07:59:07,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 07:59:07,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 07:59:07,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 07:59:07,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 07:59:07,040 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 07:59:07,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 07:59:07,040 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 07:59:07,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 07:59:07,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 07:59:07,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 07:59:07,041 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 07:59:07,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 07:59:07,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:59:07,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 07:59:07,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 07:59:07,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 07:59:07,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 07:59:07,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 07:59:07,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 07:59:07,043 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 07:59:07,043 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 07:59:07,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 07:59:07,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 07:59:07,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 07:59:07,402 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 07:59:07,402 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 07:59:07,405 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2020-10-14 07:59:07,462 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f54a20f51/7bc66a5b8091436ba0674917574b9a26/FLAG0efb0d4c7 [2020-10-14 07:59:07,995 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 07:59:07,996 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2020-10-14 07:59:08,014 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f54a20f51/7bc66a5b8091436ba0674917574b9a26/FLAG0efb0d4c7 [2020-10-14 07:59:08,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f54a20f51/7bc66a5b8091436ba0674917574b9a26 [2020-10-14 07:59:08,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 07:59:08,301 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 07:59:08,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 07:59:08,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 07:59:08,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 07:59:08,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:59:08" (1/1) ... [2020-10-14 07:59:08,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3210105d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:59:08, skipping insertion in model container [2020-10-14 07:59:08,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:59:08" (1/1) ... [2020-10-14 07:59:08,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 07:59:08,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 07:59:08,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:59:08,764 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 07:59:08,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:59:08,862 INFO L208 MainTranslator]: Completed translation [2020-10-14 07:59:08,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:59:08 WrapperNode [2020-10-14 07:59:08,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 07:59:08,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 07:59:08,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 07:59:08,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 07:59:08,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:59:08" (1/1) ... [2020-10-14 07:59:08,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:59:08" (1/1) ... [2020-10-14 07:59:08,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:59:08" (1/1) ... [2020-10-14 07:59:08,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:59:08" (1/1) ... [2020-10-14 07:59:08,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:59:08" (1/1) ... [2020-10-14 07:59:08,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:59:08" (1/1) ... [2020-10-14 07:59:08,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:59:08" (1/1) ... [2020-10-14 07:59:08,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 07:59:08,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 07:59:08,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 07:59:08,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 07:59:08,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:59:08" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:59:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 07:59:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 07:59:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 07:59:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2020-10-14 07:59:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2020-10-14 07:59:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2020-10-14 07:59:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2020-10-14 07:59:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2020-10-14 07:59:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2020-10-14 07:59:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure node7 [2020-10-14 07:59:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure node8 [2020-10-14 07:59:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-14 07:59:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-14 07:59:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 07:59:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-14 07:59:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 07:59:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 07:59:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-14 07:59:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-14 07:59:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-14 07:59:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 07:59:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 07:59:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-14 07:59:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-14 07:59:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-10-14 07:59:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-10-14 07:59:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-10-14 07:59:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2020-10-14 07:59:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2020-10-14 07:59:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2020-10-14 07:59:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2020-10-14 07:59:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure node8 [2020-10-14 07:59:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-14 07:59:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-14 07:59:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 07:59:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 07:59:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 07:59:09,897 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 07:59:09,898 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 07:59:09,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:59:09 BoogieIcfgContainer [2020-10-14 07:59:09,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 07:59:09,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 07:59:09,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 07:59:09,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 07:59:09,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:59:08" (1/3) ... [2020-10-14 07:59:09,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c872c24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:59:09, skipping insertion in model container [2020-10-14 07:59:09,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:59:08" (2/3) ... [2020-10-14 07:59:09,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c872c24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:59:09, skipping insertion in model container [2020-10-14 07:59:09,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:59:09" (3/3) ... [2020-10-14 07:59:09,914 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2020-10-14 07:59:09,925 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 07:59:09,934 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 07:59:09,946 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 07:59:09,970 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 07:59:09,970 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 07:59:09,970 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 07:59:09,971 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 07:59:09,971 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 07:59:09,971 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 07:59:09,971 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 07:59:09,972 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 07:59:10,003 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-10-14 07:59:10,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-14 07:59:10,017 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:59:10,019 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] [2020-10-14 07:59:10,019 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:59:10,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:59:10,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1770956639, now seen corresponding path program 1 times [2020-10-14 07:59:10,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:59:10,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [903436873] [2020-10-14 07:59:10,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:59:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:10,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:10,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:10,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 07:59:10,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:10,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 509 [2020-10-14 07:59:10,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:10,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:10,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:10,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 07:59:10,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:10,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 07:59:11,240 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-14 07:59:11,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:59:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:11,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:11,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:11,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:59:11,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:11,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 07:59:11,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:11,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:11,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:11,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:11,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:11,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:11,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:59:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:11,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:11,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:11,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:59:11,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:11,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:59:11,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:11,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:11,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:11,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:11,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:11,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:11,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 07:59:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:11,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:11,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:11,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:59:11,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:11,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:59:11,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:11,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:11,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:11,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 07:59:11,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:11,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:11,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 07:59:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:11,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:11,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:11,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:11,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:11,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 07:59:11,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:11,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:11,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:11,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:11,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:11,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:11,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 07:59:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:11,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:11,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:11,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:11,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:11,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 07:59:11,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:11,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:11,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:11,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:11,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:11,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:11,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 07:59:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:11,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:11,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:11,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:11,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:11,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:59:11,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:11,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:11,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:11,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:11,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:11,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:11,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 07:59:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:11,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:11,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:11,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:11,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:11,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 07:59:11,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:11,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:11,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:11,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:11,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:11,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:11,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 07:59:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:11,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:11,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:11,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:11,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:11,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 07:59:11,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:11,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:11,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:11,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:11,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:11,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:11,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 07:59:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:11,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:11,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:11,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:11,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:11,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 07:59:11,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:11,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:11,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:11,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:11,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:11,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:11,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-14 07:59:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:11,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:11,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:11,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:11,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:11,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 07:59:11,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:11,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:11,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:11,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:11,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:11,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:11,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 07:59:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:11,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:11,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:11,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:11,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:11,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:59:11,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:11,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:11,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:11,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:11,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:11,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:11,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 07:59:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:11,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:11,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:11,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:59:11,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:11,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:59:11,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:11,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:11,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:11,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 07:59:11,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:11,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:59:11,665 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [903436873] [2020-10-14 07:59:11,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:59:11,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 07:59:11,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919241926] [2020-10-14 07:59:11,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 07:59:11,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:59:11,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 07:59:11,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-14 07:59:11,692 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 11 states. [2020-10-14 07:59:12,562 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-14 07:59:13,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:59:13,923 INFO L93 Difference]: Finished difference Result 303 states and 461 transitions. [2020-10-14 07:59:13,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 07:59:13,926 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 88 [2020-10-14 07:59:13,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:59:13,940 INFO L225 Difference]: With dead ends: 303 [2020-10-14 07:59:13,940 INFO L226 Difference]: Without dead ends: 187 [2020-10-14 07:59:13,945 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2020-10-14 07:59:13,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-14 07:59:14,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2020-10-14 07:59:14,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-10-14 07:59:14,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 293 transitions. [2020-10-14 07:59:14,020 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 293 transitions. Word has length 88 [2020-10-14 07:59:14,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:59:14,020 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 293 transitions. [2020-10-14 07:59:14,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 07:59:14,021 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 293 transitions. [2020-10-14 07:59:14,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-14 07:59:14,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:59:14,025 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] [2020-10-14 07:59:14,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 07:59:14,026 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:59:14,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:59:14,026 INFO L82 PathProgramCache]: Analyzing trace with hash -140085919, now seen corresponding path program 1 times [2020-10-14 07:59:14,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:59:14,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2109115012] [2020-10-14 07:59:14,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:59:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:14,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:15,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:15,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 07:59:15,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:15,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1014 [2020-10-14 07:59:15,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:15,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:15,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:59:15,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 07:59:15,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 07:59:15,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:15,421 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-14 07:59:15,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:59:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:15,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:15,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:15,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:59:15,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:15,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 07:59:15,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:15,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:15,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:15,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:15,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:15,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:15,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:59:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:15,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:15,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:15,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:59:15,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:15,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 07:59:15,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:15,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:15,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:59:15,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:15,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:59:15,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:15,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 07:59:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:15,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:15,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:15,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:59:15,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:15,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 07:59:15,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:15,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:15,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:59:15,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:59:15,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:59:15,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:15,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 07:59:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:15,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:15,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:15,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:15,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:15,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 07:59:15,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:15,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:15,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:15,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:15,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:15,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:15,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 07:59:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:15,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:15,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:15,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:15,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:15,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 07:59:15,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:15,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:15,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:15,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:15,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:15,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:15,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 07:59:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:15,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:15,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:15,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:15,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:15,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 07:59:15,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:15,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:15,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:15,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:15,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:15,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:15,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 07:59:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:15,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:15,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:15,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:15,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:15,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 07:59:15,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:15,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:15,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:15,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:15,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:15,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:15,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 07:59:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:15,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:15,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:15,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:15,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:15,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 07:59:15,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:15,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:15,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:15,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:15,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:15,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:15,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 07:59:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:15,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:15,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:15,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:15,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:15,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 07:59:15,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:15,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:15,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:15,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:15,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:15,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:15,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-14 07:59:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:15,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:15,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:15,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:15,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:15,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:59:15,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:15,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:15,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:15,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:15,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:15,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:15,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 07:59:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:15,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:15,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:15,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:15,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:15,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:59:15,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:15,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:15,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:15,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:15,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:15,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:15,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 07:59:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:15,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:15,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:15,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:59:15,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:15,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:59:15,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:15,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:15,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:15,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 07:59:15,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:15,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:16,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:59:16,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2109115012] [2020-10-14 07:59:16,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:59:16,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-14 07:59:16,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816424305] [2020-10-14 07:59:16,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-14 07:59:16,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:59:16,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-14 07:59:16,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-10-14 07:59:16,023 INFO L87 Difference]: Start difference. First operand 187 states and 293 transitions. Second operand 17 states. [2020-10-14 07:59:16,300 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-14 07:59:16,561 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:59:16,938 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-14 07:59:17,201 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-14 07:59:18,951 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-14 07:59:20,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:59:20,222 INFO L93 Difference]: Finished difference Result 301 states and 453 transitions. [2020-10-14 07:59:20,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 07:59:20,222 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 88 [2020-10-14 07:59:20,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:59:20,227 INFO L225 Difference]: With dead ends: 301 [2020-10-14 07:59:20,228 INFO L226 Difference]: Without dead ends: 187 [2020-10-14 07:59:20,233 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=203, Invalid=609, Unknown=0, NotChecked=0, Total=812 [2020-10-14 07:59:20,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-14 07:59:20,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2020-10-14 07:59:20,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-10-14 07:59:20,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 232 transitions. [2020-10-14 07:59:20,259 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 232 transitions. Word has length 88 [2020-10-14 07:59:20,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:59:20,260 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 232 transitions. [2020-10-14 07:59:20,260 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-14 07:59:20,260 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 232 transitions. [2020-10-14 07:59:20,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-14 07:59:20,265 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:59:20,265 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] [2020-10-14 07:59:20,265 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 07:59:20,266 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:59:20,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:59:20,266 INFO L82 PathProgramCache]: Analyzing trace with hash 505994353, now seen corresponding path program 1 times [2020-10-14 07:59:20,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:59:20,267 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [477848502] [2020-10-14 07:59:20,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:59:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:20,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:20,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:20,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:21,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:25,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:25,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 07:59:25,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:59:25,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 07:59:25,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:25,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:25,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:59:25,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-14 07:59:25,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 07:59:25,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:25,612 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-14 07:59:25,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:59:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:25,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:25,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:25,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:59:25,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:25,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 07:59:25,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:25,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:25,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:25,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:25,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:25,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:59:25,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:59:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:25,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:25,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:25,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 07:59:25,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:25,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 07:59:25,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:25,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:25,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:59:25,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:25,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:59:25,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 07:59:25,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 07:59:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:25,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:25,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:25,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:59:25,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:25,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:59:25,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:25,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:25,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:59:25,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:25,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:59:25,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:25,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 07:59:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:25,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:25,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:25,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:25,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:25,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 07:59:25,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:25,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:25,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:59:25,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:25,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:59:25,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:59:25,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 07:59:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:25,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:25,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:25,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:25,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:25,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:59:25,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:25,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:25,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:59:25,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:25,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:59:25,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:25,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 07:59:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:25,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:25,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:25,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:25,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:25,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:59:25,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:25,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:25,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:59:25,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:59:25,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:59:25,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 07:59:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:25,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:25,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:25,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:25,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:25,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 07:59:25,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:25,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:25,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:59:25,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:25,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:59:25,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:25,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 07:59:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:25,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:25,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:25,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:25,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:25,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:59:25,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:25,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:25,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:59:25,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:25,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:59:25,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:25,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 07:59:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:25,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:25,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:25,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:25,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:25,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 07:59:25,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:25,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:25,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:59:25,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:25,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:59:25,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:59:25,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-14 07:59:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:25,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:25,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:25,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:25,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:25,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 07:59:25,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:25,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:25,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:59:25,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:25,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:59:25,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:26,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 07:59:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:26,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:26,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:26,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:26,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:26,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 07:59:26,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:26,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:26,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:59:26,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 07:59:26,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:59:26,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:26,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 07:59:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:26,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:26,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:26,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:59:26,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:26,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:59:26,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:26,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:26,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:26,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 07:59:26,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:26,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:26,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:59:26,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [477848502] [2020-10-14 07:59:26,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:59:26,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-14 07:59:26,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44557259] [2020-10-14 07:59:26,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 07:59:26,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:59:26,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 07:59:26,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-14 07:59:26,133 INFO L87 Difference]: Start difference. First operand 187 states and 232 transitions. Second operand 14 states. [2020-10-14 07:59:26,364 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-14 07:59:27,683 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 07:59:29,800 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 07:59:29,942 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 07:59:30,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:59:30,130 INFO L93 Difference]: Finished difference Result 397 states and 530 transitions. [2020-10-14 07:59:30,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 07:59:30,131 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 148 [2020-10-14 07:59:30,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:59:30,136 INFO L225 Difference]: With dead ends: 397 [2020-10-14 07:59:30,137 INFO L226 Difference]: Without dead ends: 289 [2020-10-14 07:59:30,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=258, Invalid=734, Unknown=0, NotChecked=0, Total=992 [2020-10-14 07:59:30,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-10-14 07:59:30,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 287. [2020-10-14 07:59:30,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-10-14 07:59:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 374 transitions. [2020-10-14 07:59:30,176 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 374 transitions. Word has length 148 [2020-10-14 07:59:30,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:59:30,177 INFO L479 AbstractCegarLoop]: Abstraction has 287 states and 374 transitions. [2020-10-14 07:59:30,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 07:59:30,177 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 374 transitions. [2020-10-14 07:59:30,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-14 07:59:30,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:59:30,181 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] [2020-10-14 07:59:30,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 07:59:30,182 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:59:30,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:59:30,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1088290329, now seen corresponding path program 1 times [2020-10-14 07:59:30,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:59:30,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [70502734] [2020-10-14 07:59:30,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:59:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:30,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:30,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:30,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:35,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:35,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 07:59:35,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:59:35,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-14 07:59:35,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:35,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:35,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:59:35,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-14 07:59:35,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 07:59:35,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:35,562 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-14 07:59:35,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:59:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:35,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:35,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:35,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:59:35,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:35,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 07:59:35,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:35,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:35,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:35,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:35,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:35,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 07:59:35,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:59:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:35,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:35,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:35,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 07:59:35,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:35,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 07:59:35,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:35,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:35,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:59:35,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:35,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 07:59:35,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:35,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 07:59:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:35,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:35,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:35,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:59:35,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:35,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:59:35,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:35,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:35,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:59:35,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:35,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:59:35,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:35,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 07:59:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:35,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:35,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:35,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:35,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:35,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 07:59:35,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:35,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:35,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:59:35,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:35,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:59:35,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:35,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 07:59:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:35,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:35,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:35,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:35,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:35,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 07:59:35,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:35,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:35,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:59:35,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:35,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:59:35,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:35,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 07:59:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:35,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:35,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:35,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:35,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:35,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 07:59:35,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:35,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:35,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:59:35,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 07:59:35,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:59:35,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:35,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 07:59:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:35,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:35,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:35,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:35,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:35,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:59:35,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:35,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:35,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:35,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:35,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:35,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:36,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 07:59:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:36,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:36,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:36,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:36,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:36,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:59:36,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:36,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:36,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:36,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:36,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:36,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:59:36,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 07:59:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:36,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:36,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:36,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:36,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:36,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:59:36,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:36,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:36,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:36,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:36,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:36,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:36,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-14 07:59:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:36,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:36,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:36,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:36,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:36,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:59:36,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:36,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:36,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:36,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:36,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:36,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:36,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 07:59:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:36,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:36,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:36,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:36,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:36,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:59:36,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:36,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:36,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:36,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:36,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:36,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:36,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 07:59:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:36,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:36,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:36,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:59:36,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:36,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:59:36,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:36,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:36,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:36,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 07:59:36,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:36,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:36,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:59:36,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [70502734] [2020-10-14 07:59:36,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:59:36,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-14 07:59:36,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828183883] [2020-10-14 07:59:36,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 07:59:36,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:59:36,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 07:59:36,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-10-14 07:59:36,194 INFO L87 Difference]: Start difference. First operand 287 states and 374 transitions. Second operand 14 states. [2020-10-14 07:59:36,419 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-14 07:59:38,809 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-14 07:59:38,954 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 07:59:39,907 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 07:59:40,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:59:40,118 INFO L93 Difference]: Finished difference Result 691 states and 948 transitions. [2020-10-14 07:59:40,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 07:59:40,119 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 148 [2020-10-14 07:59:40,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:59:40,127 INFO L225 Difference]: With dead ends: 691 [2020-10-14 07:59:40,127 INFO L226 Difference]: Without dead ends: 483 [2020-10-14 07:59:40,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=261, Invalid=731, Unknown=0, NotChecked=0, Total=992 [2020-10-14 07:59:40,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-10-14 07:59:40,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 481. [2020-10-14 07:59:40,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-10-14 07:59:40,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 648 transitions. [2020-10-14 07:59:40,200 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 648 transitions. Word has length 148 [2020-10-14 07:59:40,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:59:40,200 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 648 transitions. [2020-10-14 07:59:40,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 07:59:40,201 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 648 transitions. [2020-10-14 07:59:40,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-14 07:59:40,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:59:40,203 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] [2020-10-14 07:59:40,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 07:59:40,203 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:59:40,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:59:40,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1412253519, now seen corresponding path program 1 times [2020-10-14 07:59:40,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:59:40,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1426064519] [2020-10-14 07:59:40,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:59:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:40,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:40,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:44,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:44,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 07:59:44,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:59:44,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3983 [2020-10-14 07:59:44,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:44,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:44,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:59:44,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 07:59:44,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 07:59:44,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:44,519 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-14 07:59:44,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:59:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:44,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:44,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:44,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:59:44,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:44,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 07:59:44,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:44,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:44,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:44,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:44,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:44,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:44,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:59:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:44,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:44,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:44,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 07:59:44,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:44,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 07:59:44,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:44,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:44,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:59:44,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:44,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:59:44,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:44,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 07:59:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:44,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:44,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:44,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:59:44,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:44,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:59:44,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:44,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:44,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:59:44,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:44,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:59:44,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:44,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 07:59:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:44,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:44,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:44,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:44,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:44,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 07:59:44,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:44,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:44,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:59:44,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 07:59:44,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:59:44,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:44,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 07:59:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:44,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:44,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:44,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:44,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:44,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:59:44,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:44,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:44,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:44,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:44,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:44,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:44,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 07:59:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:44,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:44,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:44,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:44,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:44,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:59:44,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:44,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:44,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:44,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:44,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:44,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:44,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 07:59:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:44,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:44,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:44,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:44,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:44,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:59:44,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:44,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:44,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:44,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:44,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:44,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:44,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 07:59:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:44,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:44,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:44,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:44,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:44,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:59:44,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:44,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:44,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:44,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:44,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:44,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:44,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 07:59:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:44,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:44,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:44,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:44,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:44,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:59:44,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:44,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:44,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:44,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:44,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:59:44,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-14 07:59:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:44,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:44,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:44,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:44,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:44,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:59:44,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:44,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:44,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:44,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:44,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:44,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:44,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 07:59:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:44,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:44,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:44,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:44,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:44,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:59:44,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:44,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:44,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:44,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 07:59:44,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:44,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:44,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 07:59:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:44,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:44,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:44,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:59:44,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:44,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:59:44,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:44,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:44,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:44,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 07:59:44,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:44,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:45,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:59:45,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1426064519] [2020-10-14 07:59:45,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:59:45,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-14 07:59:45,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962643311] [2020-10-14 07:59:45,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 07:59:45,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:59:45,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 07:59:45,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-14 07:59:45,025 INFO L87 Difference]: Start difference. First operand 481 states and 648 transitions. Second operand 14 states. [2020-10-14 07:59:45,263 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-14 07:59:46,620 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-14 07:59:47,404 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 07:59:48,218 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 07:59:48,422 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 07:59:49,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:59:49,056 INFO L93 Difference]: Finished difference Result 1261 states and 1754 transitions. [2020-10-14 07:59:49,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 07:59:49,058 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 148 [2020-10-14 07:59:49,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:59:49,064 INFO L225 Difference]: With dead ends: 1261 [2020-10-14 07:59:49,064 INFO L226 Difference]: Without dead ends: 859 [2020-10-14 07:59:49,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=258, Invalid=734, Unknown=0, NotChecked=0, Total=992 [2020-10-14 07:59:49,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2020-10-14 07:59:49,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 857. [2020-10-14 07:59:49,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2020-10-14 07:59:49,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1176 transitions. [2020-10-14 07:59:49,141 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1176 transitions. Word has length 148 [2020-10-14 07:59:49,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:59:49,141 INFO L479 AbstractCegarLoop]: Abstraction has 857 states and 1176 transitions. [2020-10-14 07:59:49,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 07:59:49,141 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1176 transitions. [2020-10-14 07:59:49,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-14 07:59:49,143 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:59:49,143 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] [2020-10-14 07:59:49,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 07:59:49,144 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:59:49,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:59:49,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1993423365, now seen corresponding path program 1 times [2020-10-14 07:59:49,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:59:49,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [875107644] [2020-10-14 07:59:49,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:59:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:49,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:51,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:51,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 07:59:51,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:51,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2061 [2020-10-14 07:59:51,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:51,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:51,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 07:59:51,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 07:59:51,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-14 07:59:51,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:59:51,564 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-14 07:59:51,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:59:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:51,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:51,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:51,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:59:51,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:51,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 07:59:51,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:51,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:51,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:59:51,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:51,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:59:51,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:59:51,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:59:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:51,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:51,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:51,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 07:59:51,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:51,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-14 07:59:51,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:51,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:51,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:59:51,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:51,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 07:59:51,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:59:51,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 07:59:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:51,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:51,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:51,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:59:51,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:51,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:59:51,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:51,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:51,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:59:51,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:59:51,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:59:51,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:59:51,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 07:59:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:51,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:51,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:51,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:51,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:51,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 07:59:51,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:51,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:51,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:59:51,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 07:59:51,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:59:51,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:51,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 07:59:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:52,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:52,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:52,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:52,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:52,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 07:59:52,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:52,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:52,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:59:52,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 07:59:52,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:59:52,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:59:52,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 07:59:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:52,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:52,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:52,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:52,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:52,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 07:59:52,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:52,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:52,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:59:52,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 07:59:52,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:59:52,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:52,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 07:59:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:52,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:52,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:52,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:52,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:52,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 07:59:52,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:52,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:52,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:59:52,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 07:59:52,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:59:52,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:52,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 07:59:52,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:52,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:52,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:52,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:52,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:52,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 07:59:52,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:52,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:52,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:59:52,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 07:59:52,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:59:52,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:59:52,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 07:59:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:52,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:52,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:52,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:52,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:52,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 07:59:52,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:52,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:52,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:59:52,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 07:59:52,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:59:52,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:52,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-14 07:59:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:52,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:52,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:52,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:52,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:52,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 07:59:52,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:52,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:52,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:59:52,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 07:59:52,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:59:52,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:52,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 07:59:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:52,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:52,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:52,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 07:59:52,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:52,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 07:59:52,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:52,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:52,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:59:52,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 07:59:52,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:59:52,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:59:52,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 07:59:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:59:52,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:59:52,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:59:52,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:59:52,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:59:52,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 07:59:52,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:59:52,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:59:52,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:59:52,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 07:59:52,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:59:52,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:59:52,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:59:52,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [875107644] [2020-10-14 07:59:52,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:59:52,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-10-14 07:59:52,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219576482] [2020-10-14 07:59:52,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-14 07:59:52,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:59:52,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-14 07:59:52,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=662, Unknown=0, NotChecked=0, Total=756 [2020-10-14 07:59:52,771 INFO L87 Difference]: Start difference. First operand 857 states and 1176 transitions. Second operand 28 states. [2020-10-14 07:59:53,193 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:59:53,427 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2020-10-14 07:59:53,651 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:59:53,881 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-14 07:59:54,138 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:59:54,391 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:59:54,644 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:59:54,911 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:59:55,289 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 07:59:55,488 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 07:59:55,890 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 07:59:56,257 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 07:59:57,023 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 07:59:57,231 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-14 07:59:57,492 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-14 07:59:57,862 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-14 07:59:58,128 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 07:59:58,348 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 07:59:58,486 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-14 07:59:58,976 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-14 07:59:59,541 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 07:59:59,783 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 07:59:59,932 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:00:00,072 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-14 08:00:00,362 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-14 08:00:00,670 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:00:00,816 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-14 08:00:00,956 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 08:00:01,458 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 08:00:01,702 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 08:00:01,841 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-14 08:00:01,969 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:00:02,231 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:00:02,726 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 08:00:02,993 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 08:00:03,255 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 08:00:03,529 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 08:00:03,760 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 08:00:05,204 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:00:05,367 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:00:05,525 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:00:05,677 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-14 08:00:06,102 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-14 08:00:06,262 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:00:06,414 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-14 08:00:07,618 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:00:07,839 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 08:00:08,002 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:00:08,161 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 08:00:08,318 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:00:08,471 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:00:08,995 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:00:09,157 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:00:09,314 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:00:09,467 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-14 08:00:10,629 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:00:10,798 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:00:10,956 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 08:00:11,114 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:00:11,259 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:00:11,819 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:00:11,976 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:00:12,133 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:00:12,288 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-14 08:00:12,600 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-14 08:00:13,640 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:00:13,860 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 08:00:14,033 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:00:14,180 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 08:00:14,322 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:00:14,473 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:00:14,701 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:00:14,997 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:00:15,139 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:00:15,289 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:00:15,451 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:00:15,635 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:00:15,821 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-14 08:00:16,057 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:00:17,094 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:00:17,267 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:00:17,430 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 08:00:17,585 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:00:17,743 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:00:17,978 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:00:18,283 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:00:18,427 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:00:18,577 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:00:18,746 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:00:18,904 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:00:19,113 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:00:20,149 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:00:20,322 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:00:20,492 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 08:00:20,648 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:00:20,796 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:00:21,040 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:00:21,358 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:00:21,535 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:00:21,685 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:00:21,849 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:00:22,075 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:00:23,048 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:00:23,199 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:00:23,353 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 08:00:23,508 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:00:23,660 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:00:23,914 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:00:24,225 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:00:24,375 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:00:24,531 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:00:25,678 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 08:00:25,866 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-14 08:00:26,046 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-14 08:00:26,222 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 08:00:26,391 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:00:26,722 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 08:00:26,878 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:00:27,084 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-14 08:00:27,247 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:00:27,451 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:00:27,640 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-14 08:00:27,819 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:00:27,964 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-14 08:00:28,108 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 08:00:28,610 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-14 08:00:29,507 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-14 08:00:31,044 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:00:31,190 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:00:31,551 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:00:32,441 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 08:00:32,620 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:00:32,849 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:00:33,045 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:00:33,604 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 08:00:33,793 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:00:33,968 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:00:34,195 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:00:34,567 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 08:00:34,789 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:00:35,190 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 08:00:35,413 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:00:35,791 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 08:00:36,003 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:00:36,360 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 08:00:36,634 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:00:37,135 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 125 [2020-10-14 08:00:37,350 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-14 08:00:42,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:00:42,651 INFO L93 Difference]: Finished difference Result 16123 states and 24477 transitions. [2020-10-14 08:00:42,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2020-10-14 08:00:42,651 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 148 [2020-10-14 08:00:42,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:00:42,758 INFO L225 Difference]: With dead ends: 16123 [2020-10-14 08:00:42,758 INFO L226 Difference]: Without dead ends: 15345 [2020-10-14 08:00:42,785 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 30 SyntacticMatches, 5 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24343 ImplicationChecksByTransitivity, 30.2s TimeCoverageRelationStatistics Valid=8529, Invalid=50763, Unknown=0, NotChecked=0, Total=59292 [2020-10-14 08:00:42,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15345 states. [2020-10-14 08:00:44,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15345 to 13857. [2020-10-14 08:00:44,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13857 states. [2020-10-14 08:00:44,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13857 states to 13857 states and 19628 transitions. [2020-10-14 08:00:44,199 INFO L78 Accepts]: Start accepts. Automaton has 13857 states and 19628 transitions. Word has length 148 [2020-10-14 08:00:44,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:00:44,199 INFO L479 AbstractCegarLoop]: Abstraction has 13857 states and 19628 transitions. [2020-10-14 08:00:44,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-14 08:00:44,199 INFO L276 IsEmpty]: Start isEmpty. Operand 13857 states and 19628 transitions. [2020-10-14 08:00:44,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-14 08:00:44,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:00:44,203 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] [2020-10-14 08:00:44,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 08:00:44,203 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:00:44,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:00:44,203 INFO L82 PathProgramCache]: Analyzing trace with hash -833712205, now seen corresponding path program 1 times [2020-10-14 08:00:44,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:00:44,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [879475069] [2020-10-14 08:00:44,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:00:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:00:44,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:00:46,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:00:46,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 08:00:46,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:00:46,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1791 [2020-10-14 08:00:46,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:00:46,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:00:46,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 08:00:46,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 08:00:46,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-14 08:00:46,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:00:46,318 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-14 08:00:46,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:00:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:00:46,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:00:46,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:00:46,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:00:46,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:00:46,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 08:00:46,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:00:46,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:00:46,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:00:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:00:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:00:46,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:00:46,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:00:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:00:46,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:00:46,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:00:46,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 08:00:46,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:00:46,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 08:00:46,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:00:46,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:00:46,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 08:00:46,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:00:46,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 08:00:46,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:00:46,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 08:00:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:00:46,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:00:46,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:00:46,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:00:46,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:00:46,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:00:46,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:00:46,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:00:46,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:00:46,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:00:46,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:00:46,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:00:46,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:00:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:00:46,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:00:46,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:00:46,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:00:46,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:00:46,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 08:00:46,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:00:46,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:00:46,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:00:46,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:00:46,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 08:00:46,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:00:46,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 08:00:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:00:46,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:00:46,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:00:46,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:00:46,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:00:46,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 08:00:46,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:00:46,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:00:46,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:00:46,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:00:46,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 08:00:46,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:00:46,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 08:00:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:00:46,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:00:46,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:00:46,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:00:46,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:00:46,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 08:00:46,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:00:46,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:00:46,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:00:46,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:00:46,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 08:00:46,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:00:46,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 08:00:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:00:46,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:00:46,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:00:46,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:00:46,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:00:46,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:00:46,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:00:46,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:00:46,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:00:46,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:00:46,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 08:00:46,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:00:46,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 08:00:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:00:46,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:00:46,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:00:46,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:00:46,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:00:46,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 08:00:46,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:00:46,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:00:46,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:00:46,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:00:46,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 08:00:46,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:00:46,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 08:00:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:00:46,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:00:46,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:00:46,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:00:46,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:00:46,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 08:00:46,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:00:46,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:00:46,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:00:46,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:00:46,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 08:00:46,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:00:47,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-14 08:00:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:00:47,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:00:47,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:00:47,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:00:47,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:00:47,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 08:00:47,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:00:47,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:00:47,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:00:47,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:00:47,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 08:00:47,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:00:47,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 08:00:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:00:47,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:00:47,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:00:47,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:00:47,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:00:47,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 08:00:47,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:00:47,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:00:47,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:00:47,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:00:47,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 08:00:47,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:00:47,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 08:00:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:00:47,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:00:47,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:00:47,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:00:47,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:00:47,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:00:47,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:00:47,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:00:47,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:00:47,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 08:00:47,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:00:47,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:00:47,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:00:47,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [879475069] [2020-10-14 08:00:47,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:00:47,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-10-14 08:00:47,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382140670] [2020-10-14 08:00:47,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-14 08:00:47,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:00:47,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-14 08:00:47,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=636, Unknown=0, NotChecked=0, Total=756 [2020-10-14 08:00:47,366 INFO L87 Difference]: Start difference. First operand 13857 states and 19628 transitions. Second operand 28 states. [2020-10-14 08:00:47,661 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 08:00:47,914 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2020-10-14 08:00:48,153 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 08:00:48,403 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-14 08:00:48,661 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 08:00:48,926 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 08:00:49,287 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 08:00:49,571 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 08:00:49,939 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:00:50,143 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:00:50,315 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:00:50,680 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 08:00:50,846 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:00:51,012 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 08:00:51,201 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:00:51,377 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 08:00:51,509 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 08:00:51,976 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 08:00:52,238 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 08:00:52,510 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-14 08:00:52,667 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-14 08:00:52,819 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:00:53,068 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:00:53,217 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 08:00:53,704 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 08:00:53,976 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-14 08:00:54,340 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 08:00:54,510 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-14 08:00:54,670 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-14 08:00:54,829 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:00:55,117 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-14 08:00:55,283 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:00:55,441 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-14 08:00:55,584 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 08:00:56,026 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:00:56,317 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-14 08:00:56,719 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 08:00:56,868 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-14 08:00:57,015 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:00:57,164 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 08:00:57,336 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-14 08:00:57,609 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:00:57,763 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-14 08:00:58,140 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:00:58,284 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-14 08:00:59,014 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-14 08:00:59,466 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:00:59,752 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-14 08:00:59,910 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 08:01:00,058 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-14 08:01:00,208 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:01:00,345 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 08:01:00,565 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:01:00,730 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:01:00,894 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-14 08:01:02,653 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 08:01:02,809 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:01:02,987 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:01:03,186 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:01:03,467 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:01:04,232 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 08:01:04,402 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-14 08:01:04,566 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-14 08:01:05,169 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 08:01:05,352 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-14 08:01:05,526 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 08:01:05,690 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-14 08:01:05,849 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:01:05,998 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 08:01:06,438 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:01:07,071 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:01:07,246 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:01:07,418 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-14 08:01:07,578 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-14 08:01:08,063 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-14 08:01:08,351 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 08:01:08,520 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-14 08:01:08,679 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:01:09,244 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:01:09,422 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-14 08:01:09,719 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:01:10,221 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:01:10,395 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:01:10,561 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-14 08:01:11,410 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 08:01:11,596 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-14 08:01:11,791 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 08:01:11,952 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-14 08:01:12,106 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:01:12,496 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:01:12,635 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:01:12,804 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:01:13,266 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 08:01:13,616 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:01:13,789 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:01:13,960 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-14 08:01:14,704 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-14 08:01:14,905 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:01:15,085 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 08:01:15,478 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 08:01:15,639 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-14 08:01:15,825 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-14 08:01:15,982 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:01:16,123 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 08:01:16,337 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-14 08:01:16,598 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-14 08:01:16,797 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 08:01:16,936 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-14 08:01:17,631 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-14 08:01:17,840 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 08:01:18,163 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 08:01:18,341 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-14 08:01:18,539 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 08:01:18,794 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:01:18,945 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 08:01:19,141 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:01:19,403 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-14 08:01:19,542 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-14 08:01:20,186 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-14 08:01:20,483 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:01:20,626 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:01:20,797 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 08:01:20,931 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:01:21,237 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-14 08:01:22,239 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:01:22,379 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:01:22,542 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:01:23,026 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 08:01:23,194 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-14 08:01:23,339 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:01:23,483 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-14 08:01:24,041 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-14 08:01:24,807 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-14 08:01:27,032 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:01:27,178 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-14 08:01:27,405 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:01:27,583 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-14 08:01:28,224 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:01:28,437 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-14 08:01:28,596 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:01:29,219 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:01:29,529 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:01:30,121 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-14 08:01:30,433 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 08:01:30,678 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:01:31,219 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:01:31,473 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-14 08:01:31,822 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:01:32,414 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 08:01:32,802 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:01:33,608 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 08:01:33,945 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 08:01:34,766 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-14 08:01:35,100 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 08:01:36,141 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-14 08:01:40,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:01:40,173 INFO L93 Difference]: Finished difference Result 39729 states and 61838 transitions. [2020-10-14 08:01:40,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2020-10-14 08:01:40,174 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 150 [2020-10-14 08:01:40,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:01:40,329 INFO L225 Difference]: With dead ends: 39729 [2020-10-14 08:01:40,330 INFO L226 Difference]: Without dead ends: 25951 [2020-10-14 08:01:40,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25776 ImplicationChecksByTransitivity, 31.4s TimeCoverageRelationStatistics Valid=9712, Invalid=50558, Unknown=0, NotChecked=0, Total=60270 [2020-10-14 08:01:40,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25951 states. [2020-10-14 08:01:42,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25951 to 19445. [2020-10-14 08:01:42,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19445 states. [2020-10-14 08:01:42,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19445 states to 19445 states and 27808 transitions. [2020-10-14 08:01:42,084 INFO L78 Accepts]: Start accepts. Automaton has 19445 states and 27808 transitions. Word has length 150 [2020-10-14 08:01:42,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:01:42,085 INFO L479 AbstractCegarLoop]: Abstraction has 19445 states and 27808 transitions. [2020-10-14 08:01:42,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-14 08:01:42,085 INFO L276 IsEmpty]: Start isEmpty. Operand 19445 states and 27808 transitions. [2020-10-14 08:01:42,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-14 08:01:42,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:01:42,088 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] [2020-10-14 08:01:42,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 08:01:42,089 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:01:42,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:01:42,089 INFO L82 PathProgramCache]: Analyzing trace with hash 453990251, now seen corresponding path program 1 times [2020-10-14 08:01:42,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:01:42,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1451764502] [2020-10-14 08:01:42,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:01:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:42,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:42,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:42,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:44,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:44,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 08:01:44,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 08:01:44,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2318 [2020-10-14 08:01:44,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:44,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:44,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:01:44,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 168 [2020-10-14 08:01:44,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 08:01:44,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:01:44,746 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-14 08:01:44,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:01:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:44,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:44,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:44,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:01:44,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:44,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:01:44,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:44,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:44,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:01:44,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:01:44,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:01:44,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:44,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:01:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:44,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:44,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:44,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 08:01:44,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:44,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 08:01:44,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:44,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:44,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:01:44,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:01:44,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:01:44,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:44,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 08:01:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:44,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:44,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:44,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:01:44,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:44,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:01:44,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:44,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:44,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:01:44,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:01:44,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:01:44,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:44,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:01:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:44,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:44,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:44,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:01:44,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:44,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:01:44,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:44,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:44,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:01:44,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:01:44,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:01:44,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:44,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 08:01:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:44,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:44,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:44,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:01:44,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:44,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:01:44,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:44,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:44,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:01:44,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:01:44,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:01:44,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:44,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 08:01:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:44,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:44,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:44,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:01:44,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:44,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:01:44,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:44,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:44,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:01:44,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:01:44,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:01:44,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:44,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 08:01:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:44,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:44,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:44,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:01:44,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:44,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:01:44,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:44,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:44,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:01:44,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:01:44,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:01:44,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:01:44,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 08:01:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:44,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:44,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:44,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:01:44,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:44,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:01:44,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:44,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:44,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:01:44,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:01:44,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:01:44,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:44,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 08:01:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:44,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:44,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:44,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:01:44,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:44,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:01:44,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:44,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:44,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:01:44,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:01:44,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:01:44,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:44,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-14 08:01:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:44,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:44,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:44,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:01:44,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:44,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:01:44,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:44,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:44,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:01:44,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:01:44,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:01:44,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:45,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 08:01:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:45,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:45,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:45,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:01:45,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:45,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:01:45,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:45,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:45,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:01:45,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:01:45,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:01:45,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:45,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 08:01:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:45,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:45,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:45,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:01:45,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:45,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:01:45,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:45,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:45,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:01:45,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 08:01:45,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 08:01:45,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:45,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:01:45,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1451764502] [2020-10-14 08:01:45,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:01:45,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 08:01:45,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87097571] [2020-10-14 08:01:45,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:01:45,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:01:45,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:01:45,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:01:45,096 INFO L87 Difference]: Start difference. First operand 19445 states and 27808 transitions. Second operand 12 states. [2020-10-14 08:01:46,992 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 08:01:47,304 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 08:01:47,488 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:01:47,704 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:01:47,947 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:01:48,177 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:01:48,399 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:01:48,621 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:01:48,846 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 08:01:50,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:01:50,105 INFO L93 Difference]: Finished difference Result 49085 states and 70426 transitions. [2020-10-14 08:01:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 08:01:50,106 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 150 [2020-10-14 08:01:50,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:01:50,217 INFO L225 Difference]: With dead ends: 49085 [2020-10-14 08:01:50,217 INFO L226 Difference]: Without dead ends: 29719 [2020-10-14 08:01:50,266 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=225, Invalid=587, Unknown=0, NotChecked=0, Total=812 [2020-10-14 08:01:50,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29719 states. [2020-10-14 08:01:52,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29719 to 29717. [2020-10-14 08:01:52,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29717 states. [2020-10-14 08:01:52,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29717 states to 29717 states and 42284 transitions. [2020-10-14 08:01:52,688 INFO L78 Accepts]: Start accepts. Automaton has 29717 states and 42284 transitions. Word has length 150 [2020-10-14 08:01:52,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:01:52,688 INFO L479 AbstractCegarLoop]: Abstraction has 29717 states and 42284 transitions. [2020-10-14 08:01:52,688 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 08:01:52,688 INFO L276 IsEmpty]: Start isEmpty. Operand 29717 states and 42284 transitions. [2020-10-14 08:01:52,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-14 08:01:52,692 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:01:52,692 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] [2020-10-14 08:01:52,692 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 08:01:52,692 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:01:52,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:01:52,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1502580025, now seen corresponding path program 1 times [2020-10-14 08:01:52,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:01:52,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [662983524] [2020-10-14 08:01:52,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:01:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:52,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:53,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:53,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:54,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:57,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:57,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 08:01:57,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:01:57,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 08:01:57,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:57,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:57,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:01:57,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-14 08:01:57,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 08:01:57,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:58,132 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-14 08:01:58,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:01:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:58,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:58,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:58,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:01:58,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:58,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:01:58,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:58,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:58,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:01:58,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:01:58,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:01:58,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:58,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:01:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:58,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:58,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:58,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 08:01:58,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:58,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 08:01:58,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:58,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:58,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:01:58,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:01:58,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 08:01:58,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:58,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 08:01:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:58,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:58,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:58,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:01:58,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:58,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:01:58,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:58,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:58,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:01:58,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:01:58,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:01:58,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:58,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:01:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:58,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:58,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:58,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:01:58,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:58,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:01:58,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:58,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:58,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:01:58,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:01:58,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:01:58,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:58,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 08:01:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:58,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:58,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:58,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:01:58,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:58,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:01:58,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:58,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:58,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:01:58,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:01:58,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:01:58,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:58,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 08:01:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:58,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:58,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:58,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:01:58,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:58,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:01:58,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:58,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:58,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:01:58,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:01:58,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:01:58,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:58,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 08:01:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:58,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:58,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:58,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:01:58,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:58,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:01:58,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:58,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:58,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:01:58,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:01:58,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:01:58,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:58,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 08:01:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:58,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:58,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:58,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:01:58,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:58,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:01:58,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:58,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:58,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:01:58,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:01:58,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:01:58,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:58,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 08:01:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:58,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:58,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:58,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:01:58,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:58,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:01:58,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:58,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:58,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:01:58,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:01:58,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:01:58,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:58,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-14 08:01:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:58,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:58,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:58,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 08:01:58,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:58,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:01:58,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:58,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:58,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:01:58,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:01:58,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 08:01:58,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:58,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 08:01:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:58,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:58,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:58,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:01:58,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:58,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:01:58,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:58,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:58,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:01:58,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:01:58,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:01:58,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:58,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 08:01:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:01:58,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:01:58,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:01:58,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:01:58,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:01:58,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:01:58,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:01:58,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:01:58,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:01:58,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:01:58,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:01:58,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:01:58,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:01:58,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [662983524] [2020-10-14 08:01:58,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:01:58,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-14 08:01:58,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111497514] [2020-10-14 08:01:58,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 08:01:58,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:01:58,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 08:01:58,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-10-14 08:01:58,565 INFO L87 Difference]: Start difference. First operand 29717 states and 42284 transitions. Second operand 14 states. [2020-10-14 08:01:58,825 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-14 08:01:59,330 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-14 08:01:59,496 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 08:01:59,711 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 08:01:59,881 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 08:02:00,091 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 08:02:00,305 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 08:02:02,378 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-14 08:02:02,543 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:02:02,766 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 08:02:05,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:02:05,654 INFO L93 Difference]: Finished difference Result 86977 states and 124198 transitions. [2020-10-14 08:02:05,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 08:02:05,654 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 150 [2020-10-14 08:02:05,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:02:05,835 INFO L225 Difference]: With dead ends: 86977 [2020-10-14 08:02:05,835 INFO L226 Difference]: Without dead ends: 57339 [2020-10-14 08:02:05,900 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=261, Invalid=731, Unknown=0, NotChecked=0, Total=992 [2020-10-14 08:02:05,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57339 states. [2020-10-14 08:02:11,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57339 to 57337. [2020-10-14 08:02:11,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57337 states. [2020-10-14 08:02:11,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57337 states to 57337 states and 81128 transitions. [2020-10-14 08:02:11,280 INFO L78 Accepts]: Start accepts. Automaton has 57337 states and 81128 transitions. Word has length 150 [2020-10-14 08:02:11,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:02:11,280 INFO L479 AbstractCegarLoop]: Abstraction has 57337 states and 81128 transitions. [2020-10-14 08:02:11,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 08:02:11,281 INFO L276 IsEmpty]: Start isEmpty. Operand 57337 states and 81128 transitions. [2020-10-14 08:02:11,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-14 08:02:11,283 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:02:11,283 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] [2020-10-14 08:02:11,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 08:02:11,284 INFO L427 AbstractCegarLoop]: === Iteration 10 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:02:11,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:02:11,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1076688719, now seen corresponding path program 1 times [2020-10-14 08:02:11,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:02:11,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [536599271] [2020-10-14 08:02:11,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:02:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:02:11,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:02:11,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:02:11,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:02:12,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:02:16,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:02:16,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 08:02:16,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:02:16,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4690 [2020-10-14 08:02:16,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:02:16,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:02:16,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:02:16,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-14 08:02:16,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-14 08:02:16,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:02:16,231 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-14 08:02:16,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:02:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:02:16,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:02:16,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:02:16,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:02:16,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:02:16,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:02:16,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:02:16,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:02:16,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:02:16,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:02:16,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:02:16,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:02:16,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:02:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:02:16,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:02:16,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:02:16,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 08:02:16,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:02:16,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:02:16,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:02:16,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:02:16,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:02:16,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:02:16,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 08:02:16,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:02:16,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 08:02:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:02:16,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:02:16,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:02:16,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:02:16,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:02:16,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:02:16,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:02:16,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:02:16,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:02:16,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:02:16,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:02:16,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:02:16,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 08:02:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:02:16,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:02:16,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:02:16,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:02:16,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:02:16,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:02:16,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:02:16,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:02:16,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:02:16,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:02:16,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:02:16,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:02:16,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 08:02:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:02:16,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:02:16,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:02:16,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:02:16,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:02:16,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:02:16,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:02:16,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:02:16,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:02:16,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:02:16,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:02:16,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:02:16,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 08:02:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:02:16,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:02:16,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:02:16,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:02:16,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:02:16,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:02:16,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:02:16,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:02:16,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:02:16,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:02:16,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:02:16,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:02:16,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 08:02:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:02:16,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:02:16,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:02:16,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:02:16,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:02:16,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:02:16,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:02:16,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:02:16,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:02:16,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:02:16,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:02:16,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:02:16,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 08:02:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:02:16,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:02:16,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:02:16,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:02:16,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:02:16,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:02:16,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:02:16,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:02:16,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:02:16,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:02:16,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:02:16,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:02:16,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 08:02:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:02:16,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:02:16,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:02:16,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 08:02:16,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:02:16,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:02:16,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:02:16,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:02:16,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:02:16,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:02:16,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 08:02:16,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:02:16,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 08:02:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:02:16,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:02:16,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:02:16,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:02:16,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:02:16,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:02:16,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:02:16,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:02:16,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:02:16,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:02:16,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:02:16,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:02:16,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 08:02:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:02:16,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:02:16,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:02:16,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:02:16,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:02:16,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:02:16,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:02:16,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:02:16,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:02:16,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:02:16,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:02:16,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:02:16,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 08:02:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:02:16,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:02:16,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:02:16,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:02:16,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:02:16,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:02:16,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:02:16,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:02:16,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:02:16,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:02:16,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:02:16,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:02:16,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:02:16,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [536599271] [2020-10-14 08:02:16,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:02:16,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-14 08:02:16,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777830646] [2020-10-14 08:02:16,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 08:02:16,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:02:16,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 08:02:16,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-14 08:02:16,595 INFO L87 Difference]: Start difference. First operand 57337 states and 81128 transitions. Second operand 14 states. [2020-10-14 08:02:16,853 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-14 08:02:17,540 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 08:02:17,762 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 08:02:17,927 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 08:02:18,141 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 08:02:18,546 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-14 08:02:20,206 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 08:02:20,367 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 08:02:20,602 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 08:02:20,953 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-14 08:02:28,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:02:28,376 INFO L93 Difference]: Finished difference Result 167821 states and 238234 transitions. [2020-10-14 08:02:28,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 08:02:28,377 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 150 [2020-10-14 08:02:28,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:02:28,720 INFO L225 Difference]: With dead ends: 167821 [2020-10-14 08:02:28,721 INFO L226 Difference]: Without dead ends: 110563 [2020-10-14 08:02:28,824 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=258, Invalid=734, Unknown=0, NotChecked=0, Total=992 [2020-10-14 08:02:28,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110563 states.