/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 01:33:23,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 01:33:23,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 01:33:23,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 01:33:23,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 01:33:23,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 01:33:23,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 01:33:23,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 01:33:23,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 01:33:23,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 01:33:23,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 01:33:24,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 01:33:24,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 01:33:24,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 01:33:24,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 01:33:24,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 01:33:24,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 01:33:24,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 01:33:24,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 01:33:24,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 01:33:24,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 01:33:24,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 01:33:24,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 01:33:24,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 01:33:24,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 01:33:24,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 01:33:24,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 01:33:24,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 01:33:24,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 01:33:24,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 01:33:24,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 01:33:24,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 01:33:24,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 01:33:24,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 01:33:24,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 01:33:24,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 01:33:24,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 01:33:24,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 01:33:24,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 01:33:24,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 01:33:24,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 01:33:24,060 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 01:33:24,094 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 01:33:24,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 01:33:24,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 01:33:24,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 01:33:24,097 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 01:33:24,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 01:33:24,098 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 01:33:24,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 01:33:24,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 01:33:24,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 01:33:24,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 01:33:24,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 01:33:24,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 01:33:24,100 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 01:33:24,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 01:33:24,101 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 01:33:24,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 01:33:24,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 01:33:24,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 01:33:24,102 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 01:33:24,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 01:33:24,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:33:24,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 01:33:24,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 01:33:24,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 01:33:24,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 01:33:24,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 01:33:24,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 01:33:24,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 01:33:24,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 01:33:24,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 01:33:24,424 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 01:33:24,430 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 01:33:24,432 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 01:33:24,432 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 01:33:24,433 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product41.cil.c [2020-10-15 01:33:24,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/722272f1e/d81b2897a0cd46298fe76087f29fa633/FLAG8a49c1148 [2020-10-15 01:33:25,013 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 01:33:25,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product41.cil.c [2020-10-15 01:33:25,033 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/722272f1e/d81b2897a0cd46298fe76087f29fa633/FLAG8a49c1148 [2020-10-15 01:33:25,392 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/722272f1e/d81b2897a0cd46298fe76087f29fa633 [2020-10-15 01:33:25,402 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 01:33:25,403 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 01:33:25,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 01:33:25,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 01:33:25,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 01:33:25,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:33:25" (1/1) ... [2020-10-15 01:33:25,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b8831ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:33:25, skipping insertion in model container [2020-10-15 01:33:25,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:33:25" (1/1) ... [2020-10-15 01:33:25,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 01:33:25,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 01:33:25,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:33:25,921 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 01:33:26,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:33:26,034 INFO L208 MainTranslator]: Completed translation [2020-10-15 01:33:26,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:33:26 WrapperNode [2020-10-15 01:33:26,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 01:33:26,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 01:33:26,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 01:33:26,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 01:33:26,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:33:26" (1/1) ... [2020-10-15 01:33:26,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:33:26" (1/1) ... [2020-10-15 01:33:26,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:33:26" (1/1) ... [2020-10-15 01:33:26,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:33:26" (1/1) ... [2020-10-15 01:33:26,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:33:26" (1/1) ... [2020-10-15 01:33:26,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:33:26" (1/1) ... [2020-10-15 01:33:26,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:33:26" (1/1) ... [2020-10-15 01:33:26,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 01:33:26,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 01:33:26,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 01:33:26,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 01:33:26,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:33:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:33:26,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 01:33:26,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 01:33:26,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-15 01:33:26,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-15 01:33:26,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-15 01:33:26,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-15 01:33:26,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-15 01:33:26,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-15 01:33:26,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-15 01:33:26,206 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-15 01:33:26,206 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-15 01:33:26,206 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-15 01:33:26,206 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-15 01:33:26,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-15 01:33:26,207 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-15 01:33:26,208 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-15 01:33:26,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-15 01:33:26,208 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-15 01:33:26,208 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-15 01:33:26,208 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-15 01:33:26,208 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-15 01:33:26,209 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-15 01:33:26,209 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-15 01:33:26,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-15 01:33:26,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-15 01:33:26,210 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-15 01:33:26,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-15 01:33:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-15 01:33:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-15 01:33:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-15 01:33:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-15 01:33:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 01:33:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-15 01:33:26,212 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-15 01:33:26,212 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-15 01:33:26,212 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-15 01:33:26,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-15 01:33:26,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-15 01:33:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 01:33:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 01:33:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-15 01:33:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-15 01:33:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 01:33:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 01:33:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-15 01:33:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 01:33:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 01:33:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 01:33:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 01:33:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-15 01:33:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 01:33:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-15 01:33:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-15 01:33:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 01:33:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-15 01:33:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-15 01:33:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 01:33:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-15 01:33:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-15 01:33:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-15 01:33:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-15 01:33:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-15 01:33:26,217 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-15 01:33:26,217 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-15 01:33:26,217 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-15 01:33:26,217 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-15 01:33:26,217 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-15 01:33:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-15 01:33:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-15 01:33:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-15 01:33:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-15 01:33:26,220 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-15 01:33:26,220 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-15 01:33:26,221 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-15 01:33:26,221 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-15 01:33:26,221 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-15 01:33:26,221 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-15 01:33:26,221 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-15 01:33:26,221 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-15 01:33:26,221 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-15 01:33:26,222 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-15 01:33:26,223 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-15 01:33:26,223 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-15 01:33:26,223 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-15 01:33:26,223 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 01:33:26,223 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-15 01:33:26,223 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-15 01:33:26,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 01:33:26,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 01:33:26,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 01:33:27,245 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 01:33:27,245 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-15 01:33:27,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:33:27 BoogieIcfgContainer [2020-10-15 01:33:27,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 01:33:27,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 01:33:27,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 01:33:27,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 01:33:27,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:33:25" (1/3) ... [2020-10-15 01:33:27,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2564d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:33:27, skipping insertion in model container [2020-10-15 01:33:27,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:33:26" (2/3) ... [2020-10-15 01:33:27,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2564d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:33:27, skipping insertion in model container [2020-10-15 01:33:27,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:33:27" (3/3) ... [2020-10-15 01:33:27,260 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product41.cil.c [2020-10-15 01:33:27,271 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 01:33:27,280 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 01:33:27,295 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 01:33:27,322 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 01:33:27,322 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 01:33:27,323 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 01:33:27,323 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 01:33:27,323 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 01:33:27,323 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 01:33:27,323 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 01:33:27,323 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 01:33:27,347 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2020-10-15 01:33:27,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-15 01:33:27,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:33:27,358 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] [2020-10-15 01:33:27,358 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:33:27,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:33:27,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1904787813, now seen corresponding path program 1 times [2020-10-15 01:33:27,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:33:27,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215702788] [2020-10-15 01:33:27,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:33:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:27,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:27,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:28,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:28,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:29,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:32,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:32,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-15 01:33:32,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:33:32,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4730 [2020-10-15 01:33:32,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:32,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:32,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 01:33:32,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:33:32,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-15 01:33:32,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-15 01:33:32,988 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:33:32,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:33:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:33,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:33,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:33,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:33,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:33,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-15 01:33:33,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:33,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:33,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:33,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:33,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:33:33,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:33,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:33:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:33,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:33,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:33,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:33:33,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:33,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:33:33,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:33,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:33,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:33,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:33,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:33:33,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:33,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:33:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:33,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:33,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:33,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:33:33,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:33,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:33:33,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:33,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:33,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:33,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:33,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:33:33,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:33,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:33:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:33,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:33,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:33,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:33,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:33,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:33:33,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:33,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:33,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:33,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:33,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:33:33,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:33,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:33:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:33,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:33,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:33,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:33:33,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:33,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:33:33,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:33,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:33,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:33,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:33,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:33:33,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:33,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 01:33:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:33,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:33,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:33,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:33,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:33,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:33:33,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:33,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:33,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:33:33,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:33,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:33:33,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:33,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 01:33:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:33,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:33,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:33,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:33,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:33,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:33:33,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:33,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:33,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:33:33,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:33:33,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:33:33,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:33,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:33:33,242 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215702788] [2020-10-15 01:33:33,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:33:33,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 01:33:33,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13638651] [2020-10-15 01:33:33,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 01:33:33,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:33:33,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 01:33:33,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-15 01:33:33,268 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 7 states. [2020-10-15 01:33:33,737 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:33:34,504 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:33:34,809 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:33:35,075 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:33:35,547 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:33:35,977 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:33:37,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:33:37,139 INFO L93 Difference]: Finished difference Result 393 states and 525 transitions. [2020-10-15 01:33:37,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 01:33:37,141 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2020-10-15 01:33:37,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:33:37,156 INFO L225 Difference]: With dead ends: 393 [2020-10-15 01:33:37,156 INFO L226 Difference]: Without dead ends: 238 [2020-10-15 01:33:37,161 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-15 01:33:37,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-10-15 01:33:37,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 192. [2020-10-15 01:33:37,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-10-15 01:33:37,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 228 transitions. [2020-10-15 01:33:37,267 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 228 transitions. Word has length 46 [2020-10-15 01:33:37,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:33:37,268 INFO L479 AbstractCegarLoop]: Abstraction has 192 states and 228 transitions. [2020-10-15 01:33:37,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 01:33:37,268 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 228 transitions. [2020-10-15 01:33:37,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-15 01:33:37,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:33:37,272 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] [2020-10-15 01:33:37,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 01:33:37,273 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:33:37,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:33:37,273 INFO L82 PathProgramCache]: Analyzing trace with hash -906522306, now seen corresponding path program 1 times [2020-10-15 01:33:37,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:33:37,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1381466215] [2020-10-15 01:33:37,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:33:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:37,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:37,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:37,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:38,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:38,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-15 01:33:38,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 01:33:38,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1322 [2020-10-15 01:33:38,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:38,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:38,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 01:33:38,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:33:38,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-15 01:33:38,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:38,903 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:33:38,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:33:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:38,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:38,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:38,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:38,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:38,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-15 01:33:38,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:38,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:38,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:38,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:38,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:33:38,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:39,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:33:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:39,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:39,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:39,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:33:39,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:39,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:33:39,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:39,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:39,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:33:39,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:39,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:33:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:39,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:39,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:39,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:33:39,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:39,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:33:39,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:39,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:39,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:39,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:39,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:33:39,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:39,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:33:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:39,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:39,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:39,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:39,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:39,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:33:39,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:39,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:39,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:39,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:39,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:33:39,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:39,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:33:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:39,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:39,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:39,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:33:39,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:39,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:33:39,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:39,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:39,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:39,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:39,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:33:39,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:39,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 01:33:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:39,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:39,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:39,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:39,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:39,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:33:39,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:39,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:39,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:39,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:39,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:33:39,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:39,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 01:33:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:39,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:39,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:39,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:39,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:39,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:33:39,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:39,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:39,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:39,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:39,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:33:39,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:39,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 01:33:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:39,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:39,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:39,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:39,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:39,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:33:39,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:39,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:39,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:33:39,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:39,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:33:39,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:39,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:33:39,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1381466215] [2020-10-15 01:33:39,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:33:39,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 01:33:39,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500545615] [2020-10-15 01:33:39,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 01:33:39,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:33:39,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 01:33:39,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-15 01:33:39,149 INFO L87 Difference]: Start difference. First operand 192 states and 228 transitions. Second operand 8 states. [2020-10-15 01:33:39,566 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:33:40,369 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:33:40,622 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:33:40,914 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:33:41,901 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:33:42,198 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:33:42,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:33:42,760 INFO L93 Difference]: Finished difference Result 541 states and 714 transitions. [2020-10-15 01:33:42,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 01:33:42,761 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2020-10-15 01:33:42,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:33:42,768 INFO L225 Difference]: With dead ends: 541 [2020-10-15 01:33:42,768 INFO L226 Difference]: Without dead ends: 373 [2020-10-15 01:33:42,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-15 01:33:42,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2020-10-15 01:33:42,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 313. [2020-10-15 01:33:42,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-10-15 01:33:42,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 393 transitions. [2020-10-15 01:33:42,867 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 393 transitions. Word has length 55 [2020-10-15 01:33:42,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:33:42,868 INFO L479 AbstractCegarLoop]: Abstraction has 313 states and 393 transitions. [2020-10-15 01:33:42,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 01:33:42,868 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 393 transitions. [2020-10-15 01:33:42,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-15 01:33:42,873 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:33:42,874 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:33:42,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 01:33:42,874 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:33:42,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:33:42,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1517135740, now seen corresponding path program 1 times [2020-10-15 01:33:42,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:33:42,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1866124034] [2020-10-15 01:33:42,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:33:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:42,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:42,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:42,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:43,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:43,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:43,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:43,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:47,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:47,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-15 01:33:47,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 01:33:47,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-15 01:33:47,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:47,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:47,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 01:33:47,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-15 01:33:47,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 01:33:47,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:48,209 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:33:48,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:33:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:48,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:48,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:48,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:48,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:48,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 01:33:48,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:48,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:48,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:33:48,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:48,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:33:48,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:33:48,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:33:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:48,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:48,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:48,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:33:48,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:48,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:33:48,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:48,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:48,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:33:48,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:48,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:33:48,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:48,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:33:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:48,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:48,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:48,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:33:48,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:48,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:33:48,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:48,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:48,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:33:48,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:48,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:33:48,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:48,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:33:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:48,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:48,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:48,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:48,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:48,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:33:48,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:48,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:48,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:33:48,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:48,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:33:48,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:33:48,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:33:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:48,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:48,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:48,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:33:48,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:48,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:33:48,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:48,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:48,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:33:48,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:48,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:33:48,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:48,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 01:33:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:48,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:48,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:48,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:48,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:48,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:33:48,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:48,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:48,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:48,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:33:48,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:33:48,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:33:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:48,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:48,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:48,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:48,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 01:33:48,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:33:48,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 01:33:48,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:48,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:48,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:48,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:48,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 01:33:48,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:48,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:33:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:48,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:48,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:48,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:33:48,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:48,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:33:48,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:48,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:48,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:33:48,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:48,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:33:48,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:33:48,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:33:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:48,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:48,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:48,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:48,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:48,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:33:48,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:48,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:48,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:33:48,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:48,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:33:48,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:48,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-15 01:33:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:48,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:48,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:48,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:48,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:33:48,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:33:48,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-15 01:33:48,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:48,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:48,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 01:33:48,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-15 01:33:48,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 01:33:48,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:33:48,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:33:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:48,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:48,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:48,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:33:48,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:48,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:33:48,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:48,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:48,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:33:48,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:48,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:33:48,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:33:48,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:33:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:48,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:48,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:48,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:33:48,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:48,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:33:48,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:48,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:48,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:33:48,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:48,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:33:48,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:48,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:33:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:48,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:48,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:48,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 01:33:48,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:48,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 01:33:48,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:48,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:48,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 01:33:48,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:48,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 01:33:48,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:48,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:33:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:48,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:48,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:48,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:33:48,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:48,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 01:33:48,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:48,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:48,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:33:48,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:48,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 01:33:48,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:48,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:33:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:48,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:48,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:48,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:48,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:48,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:33:48,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:48,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:48,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 01:33:48,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:48,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:33:48,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:48,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:33:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:48,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:48,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:48,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:48,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:48,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:33:48,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:48,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:48,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:48,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:48,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:33:48,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:48,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-15 01:33:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:48,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:48,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:48,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:48,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:48,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:33:48,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:48,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:48,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:33:48,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:33:48,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:33:48,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:33:48,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 01:33:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:48,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:48,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:48,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:48,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:48,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:33:48,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:48,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:48,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:33:48,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:33:48,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:33:48,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:33:48,792 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-15 01:33:48,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1866124034] [2020-10-15 01:33:48,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:33:48,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-15 01:33:48,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139191248] [2020-10-15 01:33:48,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 01:33:48,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:33:48,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 01:33:48,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-15 01:33:48,798 INFO L87 Difference]: Start difference. First operand 313 states and 393 transitions. Second operand 14 states. [2020-10-15 01:33:49,198 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:33:49,863 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:33:50,162 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:33:50,509 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:33:51,634 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:33:51,879 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:33:52,745 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:33:52,993 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:33:53,483 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-10-15 01:33:53,930 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-10-15 01:33:54,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:33:54,440 INFO L93 Difference]: Finished difference Result 715 states and 967 transitions. [2020-10-15 01:33:54,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-15 01:33:54,441 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 112 [2020-10-15 01:33:54,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:33:54,446 INFO L225 Difference]: With dead ends: 715 [2020-10-15 01:33:54,446 INFO L226 Difference]: Without dead ends: 409 [2020-10-15 01:33:54,448 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=213, Invalid=717, Unknown=0, NotChecked=0, Total=930 [2020-10-15 01:33:54,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-10-15 01:33:54,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 293. [2020-10-15 01:33:54,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-10-15 01:33:54,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 353 transitions. [2020-10-15 01:33:54,522 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 353 transitions. Word has length 112 [2020-10-15 01:33:54,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:33:54,523 INFO L479 AbstractCegarLoop]: Abstraction has 293 states and 353 transitions. [2020-10-15 01:33:54,523 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 01:33:54,523 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 353 transitions. [2020-10-15 01:33:54,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-15 01:33:54,527 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:33:54,527 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:33:54,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 01:33:54,528 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:33:54,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:33:54,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1827402883, now seen corresponding path program 1 times [2020-10-15 01:33:54,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:33:54,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1542454017] [2020-10-15 01:33:54,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:33:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:54,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:54,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:55,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:55,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:58,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:58,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-15 01:33:58,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:33:58,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4273 [2020-10-15 01:33:58,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:58,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:58,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:58,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:33:58,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-15 01:33:58,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:59,080 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:33:59,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:33:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:59,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:59,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:59,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:59,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:59,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-15 01:33:59,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:59,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:59,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:59,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:59,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:33:59,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:59,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:33:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:59,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:59,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:59,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:33:59,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:59,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:33:59,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:59,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:59,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:59,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:59,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:33:59,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:33:59,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:33:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:59,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:59,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:59,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:33:59,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:59,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:33:59,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:59,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:59,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:59,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:59,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:33:59,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:33:59,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:33:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:59,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:59,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:59,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:59,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:59,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:33:59,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:59,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:59,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:59,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:59,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:33:59,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:33:59,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:33:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:59,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:59,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:59,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:33:59,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:59,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:33:59,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:59,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:59,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:59,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:59,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:33:59,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:33:59,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 01:33:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:59,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:59,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:59,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:59,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-15 01:33:59,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:33:59,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-15 01:33:59,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:59,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:59,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:59,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:59,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-15 01:33:59,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:33:59,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:33:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:59,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:59,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:59,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:59,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:33:59,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:33:59,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-15 01:33:59,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:59,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:59,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:33:59,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 01:33:59,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:33:59,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:33:59,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:33:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:59,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:59,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:59,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:33:59,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:59,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 01:33:59,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:59,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:59,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:33:59,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:59,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 01:33:59,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:33:59,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:33:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:59,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:59,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:59,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:33:59,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:59,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:33:59,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:59,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:59,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:33:59,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:59,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:33:59,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:33:59,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:33:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:59,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:59,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:59,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 01:33:59,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:59,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:33:59,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:59,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:59,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:33:59,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-15 01:33:59,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:33:59,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:33:59,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:33:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:59,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:59,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:59,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:33:59,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:59,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:33:59,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:59,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:33:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:33:59,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:33:59,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:33:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:59,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:59,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:59,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:59,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:59,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:33:59,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:59,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:59,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:33:59,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:59,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:33:59,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:59,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:33:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:59,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:59,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:59,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:59,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:59,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:33:59,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:59,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:59,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:33:59,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:59,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:33:59,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:33:59,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 01:33:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:59,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:59,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:59,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:33:59,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:59,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:33:59,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:59,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:59,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:33:59,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:59,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:33:59,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:59,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:33:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:59,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:59,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:59,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:59,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:59,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:33:59,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:59,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:59,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:33:59,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:59,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:33:59,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:59,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-15 01:33:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:59,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:59,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:59,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:59,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:59,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:33:59,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:59,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:59,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:59,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:59,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:33:59,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:33:59,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-15 01:33:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:59,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:59,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:59,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:59,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:59,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:33:59,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:59,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:59,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:33:59,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:33:59,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:33:59,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:33:59,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 01:33:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:59,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:59,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:59,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:59,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:59,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:33:59,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:59,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:59,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:33:59,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:33:59,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:33:59,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:33:59,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-15 01:33:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:33:59,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:33:59,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:33:59,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:33:59,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:33:59,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:33:59,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:33:59,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:33:59,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:33:59,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:33:59,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:33:59,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:33:59,507 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-15 01:33:59,507 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1542454017] [2020-10-15 01:33:59,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:33:59,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-15 01:33:59,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780064710] [2020-10-15 01:33:59,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 01:33:59,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:33:59,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 01:33:59,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-15 01:33:59,511 INFO L87 Difference]: Start difference. First operand 293 states and 353 transitions. Second operand 12 states. [2020-10-15 01:33:59,929 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:34:00,586 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:34:00,825 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:34:01,071 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:34:01,331 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:34:02,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:34:02,489 INFO L93 Difference]: Finished difference Result 768 states and 1093 transitions. [2020-10-15 01:34:02,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 01:34:02,490 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 120 [2020-10-15 01:34:02,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:34:02,497 INFO L225 Difference]: With dead ends: 768 [2020-10-15 01:34:02,497 INFO L226 Difference]: Without dead ends: 499 [2020-10-15 01:34:02,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2020-10-15 01:34:02,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-10-15 01:34:02,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 303. [2020-10-15 01:34:02,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2020-10-15 01:34:02,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 357 transitions. [2020-10-15 01:34:02,606 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 357 transitions. Word has length 120 [2020-10-15 01:34:02,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:34:02,607 INFO L479 AbstractCegarLoop]: Abstraction has 303 states and 357 transitions. [2020-10-15 01:34:02,607 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 01:34:02,607 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 357 transitions. [2020-10-15 01:34:02,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-15 01:34:02,610 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:34:02,610 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:34:02,611 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 01:34:02,611 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:34:02,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:34:02,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1472124864, now seen corresponding path program 1 times [2020-10-15 01:34:02,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:34:02,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [616863633] [2020-10-15 01:34:02,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:34:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:02,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:02,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:05,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-15 01:34:05,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:34:05,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2634 [2020-10-15 01:34:05,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:05,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:05,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 01:34:05,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:34:05,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-15 01:34:05,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:05,539 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:34:05,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:34:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:05,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:05,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:34:05,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:05,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-15 01:34:05,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:05,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:05,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:34:05,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:05,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:34:05,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:05,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:34:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:05,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:05,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:34:05,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:05,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:34:05,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:05,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:05,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:34:05,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:05,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:34:05,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:34:05,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:34:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:05,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:05,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:34:05,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:05,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:34:05,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:05,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:05,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:34:05,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:05,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:34:05,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:34:05,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:34:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:05,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:05,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:34:05,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:05,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:34:05,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:05,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:05,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:34:05,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:05,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:34:05,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:05,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:34:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:05,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:05,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:34:05,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:05,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:34:05,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:05,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:05,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:34:05,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:05,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:34:05,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:05,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 01:34:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:05,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:05,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-15 01:34:05,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:34:05,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-15 01:34:05,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:05,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:05,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:34:05,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:34:05,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-15 01:34:05,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:34:05,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:34:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:05,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:05,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:34:05,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:34:05,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 01:34:05,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:05,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:05,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:34:05,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:05,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-15 01:34:05,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:05,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:34:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:05,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:05,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:34:05,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:34:05,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 01:34:05,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:05,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:05,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:34:05,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 01:34:05,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:34:05,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:34:05,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:34:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:05,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:05,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:34:05,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:05,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:34:05,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:05,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:05,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 01:34:05,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:05,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:34:05,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:05,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:34:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:05,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:05,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 01:34:05,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:05,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:34:05,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:05,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:05,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:34:05,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:05,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:34:05,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:05,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:34:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:05,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:05,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:34:05,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:05,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:34:05,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:05,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:05,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:34:05,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:05,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:34:05,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:34:05,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:34:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:05,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:05,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:34:05,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:05,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:34:05,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:05,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:05,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:34:05,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:05,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:34:05,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:05,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:34:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:05,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:05,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:34:05,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:05,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:34:05,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:05,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:05,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:34:05,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:05,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:34:05,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:05,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 01:34:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:05,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:05,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:34:05,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:05,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:34:05,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:05,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:05,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:34:05,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:05,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 01:34:05,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:34:05,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:34:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:05,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:05,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:34:05,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:05,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:34:05,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:05,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:05,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:34:05,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:05,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:34:05,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:34:05,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-15 01:34:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:05,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:05,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:34:05,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:05,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:34:05,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:05,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:05,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:34:05,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:05,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:34:05,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:34:05,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-15 01:34:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:05,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:05,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:34:05,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:05,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:34:05,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:05,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:05,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:34:05,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:34:05,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:34:05,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:34:05,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 01:34:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:05,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:05,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:34:05,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:05,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:34:05,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:05,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:05,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:34:05,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 01:34:05,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:34:05,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:34:05,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:34:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:05,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:05,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:34:05,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:05,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:34:05,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:05,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:05,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:34:05,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:05,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:34:05,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:34:05,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-15 01:34:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:05,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:05,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:34:05,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:05,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:34:05,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:05,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:05,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:34:05,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:34:05,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:34:05,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:34:05,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 01:34:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:05,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:05,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:05,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:34:05,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:05,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:34:05,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:05,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:05,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:34:05,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:34:05,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:34:05,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:34:05,959 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-15 01:34:05,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [616863633] [2020-10-15 01:34:05,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:34:05,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-15 01:34:05,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655765972] [2020-10-15 01:34:05,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 01:34:05,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:34:05,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 01:34:05,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-15 01:34:05,961 INFO L87 Difference]: Start difference. First operand 303 states and 357 transitions. Second operand 12 states. [2020-10-15 01:34:06,562 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:34:07,232 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:34:07,478 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:34:07,695 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:34:07,907 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:34:08,169 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:34:08,427 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:34:09,391 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:34:09,809 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:34:10,113 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:34:10,358 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:34:11,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:34:11,023 INFO L93 Difference]: Finished difference Result 917 states and 1168 transitions. [2020-10-15 01:34:11,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-15 01:34:11,024 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 128 [2020-10-15 01:34:11,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:34:11,028 INFO L225 Difference]: With dead ends: 917 [2020-10-15 01:34:11,028 INFO L226 Difference]: Without dead ends: 634 [2020-10-15 01:34:11,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=175, Invalid=475, Unknown=0, NotChecked=0, Total=650 [2020-10-15 01:34:11,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2020-10-15 01:34:11,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 540. [2020-10-15 01:34:11,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2020-10-15 01:34:11,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 609 transitions. [2020-10-15 01:34:11,131 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 609 transitions. Word has length 128 [2020-10-15 01:34:11,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:34:11,133 INFO L479 AbstractCegarLoop]: Abstraction has 540 states and 609 transitions. [2020-10-15 01:34:11,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 01:34:11,133 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 609 transitions. [2020-10-15 01:34:11,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-15 01:34:11,138 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:34:11,139 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:34:11,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 01:34:11,139 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:34:11,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:34:11,139 INFO L82 PathProgramCache]: Analyzing trace with hash 263608825, now seen corresponding path program 1 times [2020-10-15 01:34:11,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:34:11,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [998059599] [2020-10-15 01:34:11,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:34:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:11,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:11,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:12,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:12,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-15 01:34:12,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:34:12,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1365 [2020-10-15 01:34:12,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:12,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:12,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 01:34:12,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:34:12,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-15 01:34:12,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:12,778 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:34:12,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:34:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:12,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:12,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:12,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:34:12,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:12,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-15 01:34:12,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:12,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:12,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:34:12,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:12,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:34:12,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:12,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:34:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:12,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:12,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:12,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:34:12,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:12,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:34:12,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:12,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:12,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:34:12,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:12,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:34:12,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:12,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:34:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:12,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:12,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:12,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:34:12,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:12,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:34:12,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:12,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:12,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:34:12,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:12,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:34:12,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:12,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:34:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:12,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:12,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:12,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:34:12,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:12,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:34:12,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:12,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:12,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:34:12,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:12,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:34:12,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:12,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:34:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:12,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:12,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:12,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:34:12,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:12,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:34:12,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:12,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:12,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:34:12,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:12,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:34:12,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:12,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:34:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:12,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:12,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:12,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:34:12,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:12,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:34:12,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:12,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:12,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:34:12,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:34:12,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:34:12,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:12,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:34:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:12,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:13,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:13,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:13,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-15 01:34:13,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:34:13,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-15 01:34:13,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:13,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:13,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:34:13,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:34:13,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-15 01:34:13,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:13,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:34:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:13,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:13,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:13,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:34:13,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:13,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 01:34:13,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:13,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:13,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:34:13,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:13,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-15 01:34:13,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 55 [2020-10-15 01:34:13,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:34:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:13,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:13,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:13,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:34:13,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:13,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:34:13,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:13,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:13,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:34:13,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:13,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:34:13,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:13,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:34:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:13,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:13,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:13,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:34:13,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:13,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:34:13,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:13,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:34:13,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:13,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:34:13,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:13,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:34:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:13,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:13,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:13,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 01:34:13,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:13,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:34:13,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:13,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:13,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:34:13,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:13,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:34:13,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:34:13,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:34:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:13,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:13,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:13,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:34:13,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:13,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:34:13,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:13,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:13,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:34:13,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:13,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:34:13,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:13,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:34:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:13,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:13,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:13,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:34:13,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:13,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:34:13,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:13,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:13,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:34:13,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:13,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:34:13,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:34:13,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:34:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:13,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:13,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:13,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:34:13,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:13,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:34:13,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:13,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:13,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:34:13,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:13,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:34:13,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:13,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 01:34:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:13,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:13,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:13,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:34:13,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:13,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:34:13,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:13,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:13,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:34:13,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:13,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 01:34:13,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:13,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:34:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:13,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:13,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:13,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:34:13,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:13,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:34:13,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:13,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:13,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:34:13,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:13,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:34:13,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:13,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 01:34:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:13,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:13,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:13,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:34:13,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:13,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:34:13,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:13,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:13,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:34:13,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:13,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:34:13,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:13,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-15 01:34:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:13,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:13,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:13,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:34:13,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:13,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:34:13,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:13,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:13,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:34:13,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:34:13,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:34:13,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:13,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 01:34:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:13,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:13,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:13,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:34:13,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:13,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:34:13,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:13,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:13,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:34:13,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 01:34:13,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:34:13,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:13,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:34:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:13,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:13,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:13,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:34:13,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:13,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:34:13,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:13,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:13,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:34:13,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:34:13,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:34:13,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:34:13,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-15 01:34:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:13,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:13,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:13,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:34:13,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:13,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:34:13,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:13,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:13,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:34:13,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:34:13,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:34:13,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:34:13,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-15 01:34:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:34:13,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:34:13,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:34:13,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:34:13,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:34:13,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:34:13,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:34:13,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:34:13,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:34:13,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:34:13,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:34:13,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:34:13,373 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-15 01:34:13,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [998059599] [2020-10-15 01:34:13,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:34:13,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-15 01:34:13,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134206812] [2020-10-15 01:34:13,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 01:34:13,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:34:13,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 01:34:13,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-15 01:34:13,378 INFO L87 Difference]: Start difference. First operand 540 states and 609 transitions. Second operand 12 states. [2020-10-15 01:34:13,973 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:34:14,501 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:34:16,095 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:34:17,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:34:17,029 INFO L93 Difference]: Finished difference Result 1275 states and 1634 transitions. [2020-10-15 01:34:17,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-15 01:34:17,030 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 132 [2020-10-15 01:34:17,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:34:17,037 INFO L225 Difference]: With dead ends: 1275 [2020-10-15 01:34:17,037 INFO L226 Difference]: Without dead ends: 869 [2020-10-15 01:34:17,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=144, Invalid=506, Unknown=0, NotChecked=0, Total=650 [2020-10-15 01:34:17,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2020-10-15 01:34:17,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 706. [2020-10-15 01:34:17,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2020-10-15 01:34:17,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 824 transitions. [2020-10-15 01:34:17,166 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 824 transitions. Word has length 132 [2020-10-15 01:34:17,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:34:17,167 INFO L479 AbstractCegarLoop]: Abstraction has 706 states and 824 transitions. [2020-10-15 01:34:17,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 01:34:17,167 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 824 transitions. [2020-10-15 01:34:17,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-15 01:34:17,171 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:34:17,172 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:34:17,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 01:34:17,172 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:34:17,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:34:17,172 INFO L82 PathProgramCache]: Analyzing trace with hash 773081915, now seen corresponding path program 1 times [2020-10-15 01:34:17,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:34:17,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539307170] [2020-10-15 01:34:17,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:34:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 01:34:17,229 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-15 01:34:17,230 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 01:34:17,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 01:34:17,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:34:17 BoogieIcfgContainer [2020-10-15 01:34:17,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 01:34:17,262 INFO L168 Benchmark]: Toolchain (without parser) took 51858.88 ms. Allocated memory was 148.9 MB in the beginning and 821.6 MB in the end (delta: 672.7 MB). Free memory was 103.8 MB in the beginning and 550.0 MB in the end (delta: -446.2 MB). Peak memory consumption was 226.5 MB. Max. memory is 7.1 GB. [2020-10-15 01:34:17,263 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-15 01:34:17,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.10 ms. Allocated memory was 148.9 MB in the beginning and 206.6 MB in the end (delta: 57.7 MB). Free memory was 103.8 MB in the beginning and 170.9 MB in the end (delta: -67.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2020-10-15 01:34:17,265 INFO L168 Benchmark]: Boogie Preprocessor took 90.16 ms. Allocated memory is still 206.6 MB. Free memory was 170.9 MB in the beginning and 167.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2020-10-15 01:34:17,265 INFO L168 Benchmark]: RCFGBuilder took 1125.11 ms. Allocated memory was 206.6 MB in the beginning and 233.3 MB in the end (delta: 26.7 MB). Free memory was 167.2 MB in the beginning and 187.1 MB in the end (delta: -19.9 MB). Peak memory consumption was 75.4 MB. Max. memory is 7.1 GB. [2020-10-15 01:34:17,266 INFO L168 Benchmark]: TraceAbstraction took 50008.31 ms. Allocated memory was 233.3 MB in the beginning and 821.6 MB in the end (delta: 588.3 MB). Free memory was 185.6 MB in the beginning and 550.0 MB in the end (delta: -364.4 MB). Peak memory consumption was 223.9 MB. Max. memory is 7.1 GB. [2020-10-15 01:34:17,270 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 628.10 ms. Allocated memory was 148.9 MB in the beginning and 206.6 MB in the end (delta: 57.7 MB). Free memory was 103.8 MB in the beginning and 170.9 MB in the end (delta: -67.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.16 ms. Allocated memory is still 206.6 MB. Free memory was 170.9 MB in the beginning and 167.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1125.11 ms. Allocated memory was 206.6 MB in the beginning and 233.3 MB in the end (delta: 26.7 MB). Free memory was 167.2 MB in the beginning and 187.1 MB in the end (delta: -19.9 MB). Peak memory consumption was 75.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 50008.31 ms. Allocated memory was 233.3 MB in the beginning and 821.6 MB in the end (delta: 588.3 MB). Free memory was 185.6 MB in the beginning and 550.0 MB in the end (delta: -364.4 MB). Peak memory consumption was 223.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 887]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L480] int waterLevel = 1; [L481] int methaneLevelCritical = 0; [L578] int pumpRunning = 0; [L579] int systemActive = 1; [L749] int cleanupTimeShifts = 4; [L825] int retValue_acc ; [L826] int tmp ; [L830] FCALL select_helpers() [L831] FCALL select_features() [L832] CALL, EXPR valid_product() [L874] int retValue_acc ; [L877] retValue_acc = 1 [L878] return (retValue_acc); [L832] RET, EXPR valid_product() [L832] tmp = valid_product() [L834] COND TRUE \read(tmp) [L836] FCALL setup() [L837] CALL runTest() [L816] CALL test() [L411] int splverifierCounter ; [L412] int tmp ; [L413] int tmp___0 ; [L414] int tmp___1 ; [L415] int tmp___2 ; [L418] splverifierCounter = 0 [L420] COND TRUE 1 [L422] COND TRUE splverifierCounter < 4 [L428] tmp = __VERIFIER_nondet_int() [L430] COND TRUE \read(tmp) [L432] CALL waterRise() [L498] COND TRUE waterLevel < 2 [L499] waterLevel = waterLevel + 1 [L432] RET waterRise() [L438] tmp___0 = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp___0)) [L448] tmp___2 = __VERIFIER_nondet_int() [L450] COND TRUE \read(tmp___2) [L463] CALL timeShift() [L586] COND FALSE !(\read(pumpRunning)) [L593] COND TRUE \read(systemActive) [L595] CALL processEnvironment() [L615] int tmp ; [L618] COND TRUE ! pumpRunning [L620] CALL, EXPR isHighWaterLevel() [L730] int retValue_acc ; [L731] int tmp ; [L732] int tmp___0 ; [L736] CALL, EXPR isHighWaterSensorDry() [L560] int retValue_acc ; [L563] COND FALSE !(waterLevel < 2) [L567] retValue_acc = 0 [L568] return (retValue_acc); [L736] RET, EXPR isHighWaterSensorDry() [L736] tmp = isHighWaterSensorDry() [L738] COND FALSE !(\read(tmp)) [L741] tmp___0 = 1 [L743] retValue_acc = tmp___0 [L744] return (retValue_acc); [L620] RET, EXPR isHighWaterLevel() [L620] tmp = isHighWaterLevel() [L622] COND TRUE \read(tmp) [L624] CALL activatePump() [L649] int tmp ; [L653] CALL, EXPR isMethaneAlarm() [L674] int retValue_acc ; [L678] CALL, EXPR isMethaneLevelCritical() [L519] int retValue_acc ; [L522] retValue_acc = methaneLevelCritical [L523] return (retValue_acc); [L678] RET, EXPR isMethaneLevelCritical() [L678] retValue_acc = isMethaneLevelCritical() [L680] return (retValue_acc); [L653] RET, EXPR isMethaneAlarm() [L653] tmp = isMethaneAlarm() [L655] COND FALSE !(\read(tmp)) [L659] CALL activatePump__wrappee__highWaterSensor() [L643] pumpRunning = 1 [L659] RET activatePump__wrappee__highWaterSensor() [L624] RET activatePump() [L595] RET processEnvironment() [L601] CALL __utac_acc__Specification1_spec__1() [L893] int tmp ; [L894] int tmp___0 ; [L898] CALL, EXPR isMethaneLevelCritical() [L519] int retValue_acc ; [L522] retValue_acc = methaneLevelCritical [L523] return (retValue_acc); [L898] RET, EXPR isMethaneLevelCritical() [L898] tmp = isMethaneLevelCritical() [L900] COND FALSE !(\read(tmp)) [L601] RET __utac_acc__Specification1_spec__1() [L463] RET timeShift() [L420] COND TRUE 1 [L422] COND TRUE splverifierCounter < 4 [L428] tmp = __VERIFIER_nondet_int() [L430] COND FALSE !(\read(tmp)) [L438] tmp___0 = __VERIFIER_nondet_int() [L440] COND TRUE \read(tmp___0) [L442] CALL changeMethaneLevel() [L510] COND FALSE !(\read(methaneLevelCritical)) [L513] methaneLevelCritical = 1 [L442] RET changeMethaneLevel() [L448] tmp___2 = __VERIFIER_nondet_int() [L450] COND TRUE \read(tmp___2) [L463] CALL timeShift() [L586] COND TRUE \read(pumpRunning) [L588] CALL lowerWaterLevel() [L486] COND TRUE waterLevel > 0 [L487] waterLevel = waterLevel - 1 [L588] RET lowerWaterLevel() [L593] COND TRUE \read(systemActive) [L595] CALL processEnvironment() [L615] int tmp ; [L618] COND FALSE !(! pumpRunning) [L633] FCALL processEnvironment__wrappee__base() [L595] RET processEnvironment() [L601] CALL __utac_acc__Specification1_spec__1() [L893] int tmp ; [L894] int tmp___0 ; [L898] CALL, EXPR isMethaneLevelCritical() [L519] int retValue_acc ; [L522] retValue_acc = methaneLevelCritical [L523] return (retValue_acc); [L898] RET, EXPR isMethaneLevelCritical() [L898] tmp = isMethaneLevelCritical() [L900] COND TRUE \read(tmp) [L902] CALL, EXPR isPumpRunning() [L685] int retValue_acc ; [L688] retValue_acc = pumpRunning [L689] return (retValue_acc); [L902] RET, EXPR isPumpRunning() [L902] tmp___0 = isPumpRunning() [L904] COND TRUE \read(tmp___0) [L906] CALL __automaton_fail() [L887] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 222 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 49.9s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 24.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 803 SDtfs, 2855 SDslu, 1099 SDs, 0 SdLazy, 5920 SolverSat, 1911 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 335 GetRequests, 211 SyntacticMatches, 2 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 473 ImplicationChecksByTransitivity, 12.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 675 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 23.6s InterpolantComputationTime, 725 NumberOfCodeBlocks, 725 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 587 ConstructedInterpolants, 0 QuantifiedInterpolants, 227528 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 93/103 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...