/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 SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:09:55,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:09:55,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:09:55,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:09:55,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:09:56,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:09:56,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:09:56,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:09:56,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:09:56,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:09:56,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:09:56,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:09:56,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:09:56,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:09:56,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:09:56,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:09:56,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:09:56,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:09:56,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:09:56,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:09:56,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:09:56,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:09:56,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:09:56,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:09:56,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:09:56,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:09:56,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:09:56,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:09:56,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:09:56,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:09:56,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:09:56,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:09:56,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:09:56,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:09:56,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:09:56,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:09:56,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:09:56,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:09:56,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:09:56,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:09:56,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:09:56,077 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 [2020-09-25 12:09:56,119 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:09:56,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:09:56,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:09:56,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:09:56,122 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:09:56,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:09:56,123 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:09:56,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:09:56,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:09:56,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:09:56,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:09:56,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:09:56,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:09:56,125 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:09:56,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:09:56,126 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:09:56,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:09:56,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:09:56,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:09:56,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:09:56,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:09:56,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:09:56,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:09:56,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:09:56,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:09:56,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:09:56,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:09:56,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:09:56,128 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:09:56,129 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 -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 12:09:56,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:09:56,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:09:56,582 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:09:56,583 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:09:56,584 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:09:56,585 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2020-09-25 12:09:56,662 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/822fe1345/1129becb6f054f7d87a4aa929691154b/FLAGa506a6cfd [2020-09-25 12:09:57,284 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:09:57,285 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2020-09-25 12:09:57,300 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/822fe1345/1129becb6f054f7d87a4aa929691154b/FLAGa506a6cfd [2020-09-25 12:09:57,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/822fe1345/1129becb6f054f7d87a4aa929691154b [2020-09-25 12:09:57,559 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:09:57,565 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:09:57,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:09:57,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:09:57,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:09:57,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:09:57" (1/1) ... [2020-09-25 12:09:57,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@277364e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:09:57, skipping insertion in model container [2020-09-25 12:09:57,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:09:57" (1/1) ... [2020-09-25 12:09:57,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:09:57,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:09:58,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:09:58,237 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:09:58,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:09:58,403 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:09:58,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:09:58 WrapperNode [2020-09-25 12:09:58,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:09:58,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:09:58,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:09:58,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:09:58,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:09:58" (1/1) ... [2020-09-25 12:09:58,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:09:58" (1/1) ... [2020-09-25 12:09:58,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:09:58" (1/1) ... [2020-09-25 12:09:58,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:09:58" (1/1) ... [2020-09-25 12:09:58,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:09:58" (1/1) ... [2020-09-25 12:09:58,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:09:58" (1/1) ... [2020-09-25 12:09:58,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:09:58" (1/1) ... [2020-09-25 12:09:58,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:09:58,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:09:58,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:09:58,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:09:58,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:09:58" (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 [2020-09-25 12:09:58,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:09:58,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:09:58,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 12:09:58,604 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 12:09:58,604 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 12:09:58,604 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 12:09:58,604 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 12:09:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 12:09:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 12:09:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 12:09:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 12:09:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 12:09:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 12:09:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 12:09:58,607 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 12:09:58,607 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 12:09:58,608 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 12:09:58,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 12:09:58,608 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 12:09:58,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 12:09:58,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 12:09:58,609 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 12:09:58,609 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 12:09:58,609 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 12:09:58,609 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 12:09:58,610 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 12:09:58,610 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 12:09:58,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 12:09:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 12:09:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 12:09:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 12:09:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 12:09:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 12:09:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 12:09:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 12:09:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 12:09:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 12:09:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 12:09:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 12:09:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:09:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:09:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:09:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 12:09:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 12:09:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 12:09:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 12:09:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 12:09:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 12:09:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 12:09:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 12:09:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 12:09:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 12:09:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 12:09:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 12:09:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:09:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 12:09:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 12:09:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:09:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 12:09:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 12:09:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:09:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 12:09:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 12:09:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:09:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 12:09:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 12:09:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 12:09:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 12:09:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 12:09:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 12:09:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 12:09:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 12:09:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 12:09:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 12:09:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 12:09:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 12:09:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 12:09:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 12:09:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 12:09:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 12:09:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 12:09:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 12:09:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 12:09:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 12:09:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 12:09:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 12:09:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 12:09:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 12:09:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 12:09:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 12:09:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:09:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:09:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 12:09:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:09:59,788 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:09:59,788 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 12:09:59,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:09:59 BoogieIcfgContainer [2020-09-25 12:09:59,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:09:59,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:09:59,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:09:59,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:09:59,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:09:57" (1/3) ... [2020-09-25 12:09:59,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f4a9866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:09:59, skipping insertion in model container [2020-09-25 12:09:59,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:09:58" (2/3) ... [2020-09-25 12:09:59,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f4a9866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:09:59, skipping insertion in model container [2020-09-25 12:09:59,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:09:59" (3/3) ... [2020-09-25 12:09:59,808 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2020-09-25 12:09:59,819 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:09:59,829 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:09:59,850 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:09:59,882 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:09:59,882 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:09:59,882 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:09:59,882 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:09:59,882 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:09:59,882 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:09:59,883 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:09:59,883 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:09:59,910 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states. [2020-09-25 12:09:59,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 12:09:59,931 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:09:59,932 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:09:59,933 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:09:59,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:09:59,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1009197842, now seen corresponding path program 1 times [2020-09-25 12:09:59,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:09:59,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1175761226] [2020-09-25 12:09:59,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:10:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:00,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:00,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:02,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:02,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:05,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:05,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:05,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 12:10:05,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:10:05,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-25 12:10:05,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:05,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:10:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 12:10:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-25 12:10:05,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 12:10:05,887 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:10:05,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:10:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:05,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:06,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:06,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:10:06,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:06,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 316 [2020-09-25 12:10:06,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:06,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:06,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:06,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:06,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 12:10:06,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:06,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:10:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:06,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:06,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:06,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:06,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:06,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:10:06,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:06,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:06,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:06,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:06,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:10:06,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:06,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:10:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:06,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:06,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:06,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:06,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:06,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:10:06,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:06,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:06,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:06,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:06,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:10:06,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:06,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:10:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:06,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:06,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:06,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:06,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:06,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:10:06,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:06,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:06,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:06,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:06,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:10:06,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:06,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:10:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:06,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:06,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:06,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:06,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:06,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:10:06,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:06,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:06,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:06,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:06,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:10:06,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:06,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:10:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:06,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:06,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:06,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:10:06,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:06,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:10:06,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:06,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:06,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:06,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:06,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:10:06,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:06,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 12:10:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:06,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:06,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:06,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:10:06,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:06,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:10:06,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:06,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:06,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:06,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:06,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 12:10:06,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:06,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:10:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:06,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:06,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:06,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:06,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:06,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:10:06,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:06,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:06,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:06,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:06,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:06,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:06,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 12:10:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:06,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:06,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:06,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:06,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:06,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:10:06,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:06,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:06,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:06,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:10:06,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:06,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:06,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 12:10:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:06,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:06,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:06,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:06,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:06,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:10:06,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:06,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:06,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:06,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:10:06,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:06,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-25 12:10:06,519 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 12:10:06,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1175761226] [2020-09-25 12:10:06,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:10:06,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 12:10:06,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930932066] [2020-09-25 12:10:06,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 12:10:06,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:10:06,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 12:10:06,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 12:10:06,553 INFO L87 Difference]: Start difference. First operand 295 states. Second operand 6 states. [2020-09-25 12:10:07,130 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:10:08,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:10:08,107 INFO L93 Difference]: Finished difference Result 447 states and 526 transitions. [2020-09-25 12:10:08,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 12:10:08,109 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2020-09-25 12:10:08,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:10:08,129 INFO L225 Difference]: With dead ends: 447 [2020-09-25 12:10:08,129 INFO L226 Difference]: Without dead ends: 288 [2020-09-25 12:10:08,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-25 12:10:08,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-09-25 12:10:08,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 244. [2020-09-25 12:10:08,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-25 12:10:08,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 263 transitions. [2020-09-25 12:10:08,241 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 263 transitions. Word has length 160 [2020-09-25 12:10:08,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:10:08,242 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 263 transitions. [2020-09-25 12:10:08,243 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 12:10:08,243 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 263 transitions. [2020-09-25 12:10:08,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-09-25 12:10:08,248 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:10:08,248 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:10:08,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:10:08,249 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:10:08,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:10:08,250 INFO L82 PathProgramCache]: Analyzing trace with hash -2081588078, now seen corresponding path program 1 times [2020-09-25 12:10:08,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:10:08,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2084533447] [2020-09-25 12:10:08,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:10:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:08,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:08,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:09,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:10,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:11,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:12,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:13,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:13,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-09-25 12:10:13,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 12:10:13,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 12:10:13,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:13,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 12:10:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 12:10:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-25 12:10:13,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:13,615 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:10:13,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:10:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:13,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:13,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:13,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:10:13,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:13,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-09-25 12:10:13,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:13,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:13,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:13,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:13,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 12:10:13,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:13,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:10:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:13,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:13,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:13,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:13,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:13,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:10:13,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:13,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:13,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:13,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:13,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:10:13,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:13,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:10:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:13,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:13,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:13,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:13,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:13,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:10:13,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:13,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:13,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:13,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:13,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:10:13,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:13,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:10:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:13,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:13,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:13,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:13,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:13,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:10:13,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:13,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:13,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:13,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:13,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:10:13,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 12:10:13,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:10:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:13,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:13,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:13,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:13,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:13,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:10:13,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:13,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:13,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:13,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:13,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:10:13,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:13,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:10:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:13,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:13,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:13,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:10:13,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:13,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:10:13,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:13,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:13,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:13,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:13,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:10:13,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:13,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 12:10:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:13,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:13,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:13,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:10:13,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:13,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:10:13,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:13,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:13,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:13,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:13,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:10:13,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:14,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 12:10:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:14,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:14,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:14,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:10:14,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:14,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:10:14,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:14,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:14,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:14,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:14,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 12:10:14,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:14,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:10:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:14,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:14,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:14,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:14,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:14,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:10:14,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:14,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:14,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:14,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:14,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:14,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:14,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 12:10:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:14,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:14,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:14,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:10:14,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:14,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:10:14,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:14,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:14,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:10:14,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:10:14,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 12:10:14,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:14,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:10:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:14,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:14,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:14,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:14,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:14,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:10:14,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:14,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:14,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:14,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:14,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:10:14,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:14,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-25 12:10:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:14,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:14,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:14,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:14,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:14,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:10:14,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:14,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:14,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:14,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:10:14,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:14,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:14,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-25 12:10:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:14,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:14,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:14,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:14,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:14,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:10:14,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:14,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:14,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:14,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:10:14,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:14,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:10:14,200 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 12:10:14,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2084533447] [2020-09-25 12:10:14,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:10:14,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 12:10:14,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108840666] [2020-09-25 12:10:14,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 12:10:14,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:10:14,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 12:10:14,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-25 12:10:14,206 INFO L87 Difference]: Start difference. First operand 244 states and 263 transitions. Second operand 9 states. [2020-09-25 12:10:14,745 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:10:16,596 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:10:17,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:10:17,735 INFO L93 Difference]: Finished difference Result 653 states and 801 transitions. [2020-09-25 12:10:17,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-25 12:10:17,736 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 182 [2020-09-25 12:10:17,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:10:17,744 INFO L225 Difference]: With dead ends: 653 [2020-09-25 12:10:17,744 INFO L226 Difference]: Without dead ends: 524 [2020-09-25 12:10:17,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2020-09-25 12:10:17,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-09-25 12:10:17,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 376. [2020-09-25 12:10:17,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-09-25 12:10:17,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 419 transitions. [2020-09-25 12:10:17,829 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 419 transitions. Word has length 182 [2020-09-25 12:10:17,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:10:17,830 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 419 transitions. [2020-09-25 12:10:17,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 12:10:17,830 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 419 transitions. [2020-09-25 12:10:17,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-09-25 12:10:17,835 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:10:17,835 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:10:17,836 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:10:17,836 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:10:17,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:10:17,836 INFO L82 PathProgramCache]: Analyzing trace with hash -489086187, now seen corresponding path program 1 times [2020-09-25 12:10:17,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:10:17,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1841146601] [2020-09-25 12:10:17,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:10:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:17,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:18,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:18,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:21,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:22,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:22,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-09-25 12:10:22,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:10:22,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-09-25 12:10:22,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:22,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:22,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 12:10:22,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 12:10:22,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-09-25 12:10:22,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:23,359 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:10:23,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:10:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:23,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:23,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:23,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:10:23,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:23,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-09-25 12:10:23,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:23,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:23,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:23,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:23,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 12:10:23,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:23,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:10:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:23,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:23,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:23,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:23,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:23,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:10:23,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:23,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:23,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:23,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:23,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:10:23,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:23,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:10:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:23,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:23,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:23,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:23,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:23,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:10:23,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:23,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:23,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:23,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:10:23,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:23,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:10:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:23,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:23,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:23,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:23,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:23,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:10:23,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:23,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:23,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:23,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:23,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:10:23,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:23,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:10:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:23,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:23,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:23,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:23,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:23,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:10:23,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:23,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:23,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:23,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:23,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:10:23,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:23,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:10:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:23,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:23,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:23,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:10:23,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:23,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:10:23,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:23,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:23,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:23,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:23,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:10:23,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:23,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 12:10:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:23,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:23,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:23,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:10:23,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:23,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:10:23,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:23,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:23,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:23,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:23,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:10:23,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:23,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 12:10:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:23,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:23,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:23,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:10:23,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:23,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:10:23,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:23,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:23,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 12:10:23,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:23,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:10:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:23,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:23,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:23,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:23,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:23,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:10:23,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:23,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:23,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:23,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:23,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:23,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:23,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 12:10:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:23,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:23,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:23,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:23,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 12:10:23,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:10:23,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 12:10:23,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:23,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:10:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:10:23,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-25 12:10:23,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:23,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:10:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:23,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:23,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:23,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:10:23,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:23,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 12:10:23,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:23,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:23,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:23,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:23,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 12:10:23,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:23,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:10:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:23,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:23,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:23,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:10:23,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:23,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:10:23,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:23,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:23,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:23,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:23,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:23,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:10:23,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:10:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:23,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:23,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:23,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:23,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:23,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:10:23,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:23,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:23,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:23,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:23,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:10:23,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:10:23,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-25 12:10:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:24,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:24,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:24,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:24,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:24,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:10:24,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:24,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:24,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:24,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:24,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:10:24,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:24,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 12:10:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:24,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:24,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:24,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:24,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:24,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:10:24,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:24,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:24,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:10:24,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:24,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:10:24,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:24,120 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 12:10:24,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1841146601] [2020-09-25 12:10:24,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:10:24,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 12:10:24,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532418556] [2020-09-25 12:10:24,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 12:10:24,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:10:24,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 12:10:24,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:10:24,124 INFO L87 Difference]: Start difference. First operand 376 states and 419 transitions. Second operand 11 states. [2020-09-25 12:10:24,735 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:10:25,521 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:10:25,862 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:10:27,092 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:10:27,415 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:10:27,823 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:10:28,276 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:10:28,629 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 12:10:28,971 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:10:30,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:10:30,254 INFO L93 Difference]: Finished difference Result 784 states and 951 transitions. [2020-09-25 12:10:30,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-25 12:10:30,255 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 206 [2020-09-25 12:10:30,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:10:30,262 INFO L225 Difference]: With dead ends: 784 [2020-09-25 12:10:30,262 INFO L226 Difference]: Without dead ends: 523 [2020-09-25 12:10:30,266 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2020-09-25 12:10:30,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2020-09-25 12:10:30,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 375. [2020-09-25 12:10:30,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-09-25 12:10:30,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 416 transitions. [2020-09-25 12:10:30,329 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 416 transitions. Word has length 206 [2020-09-25 12:10:30,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:10:30,330 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 416 transitions. [2020-09-25 12:10:30,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 12:10:30,330 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 416 transitions. [2020-09-25 12:10:30,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-25 12:10:30,334 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:10:30,334 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:10:30,335 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:10:30,335 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:10:30,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:10:30,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1682980522, now seen corresponding path program 1 times [2020-09-25 12:10:30,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:10:30,336 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [333750482] [2020-09-25 12:10:30,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:10:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:30,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:31,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:31,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-25 12:10:31,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:31,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 908 [2020-09-25 12:10:31,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:31,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:31,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:10:31,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-09-25 12:10:31,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:10:31,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:10:31,650 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:10:31,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:10:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:31,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:31,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:31,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:10:31,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:31,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-25 12:10:31,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:31,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:31,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:31,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:31,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:31,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:31,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:10:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:31,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:31,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:31,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:31,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:31,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:10:31,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:31,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:31,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:31,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:31,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:31,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:10:31,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:10:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:31,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:31,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:31,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:31,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:31,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:10:31,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:31,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:31,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:31,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:31,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:31,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:10:31,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:10:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:31,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:31,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:31,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:31,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:31,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:10:31,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:31,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:31,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:31,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:31,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:31,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:31,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:10:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:31,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:31,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:31,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:31,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:31,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:10:31,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:31,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:31,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:31,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:31,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:31,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:31,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:10:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:31,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:31,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:31,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:10:31,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:31,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:10:31,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:31,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:31,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:31,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:31,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:31,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:31,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 12:10:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:31,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:31,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:31,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:10:31,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:31,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:10:31,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:31,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:31,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:31,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:31,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:31,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:31,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 12:10:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:31,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:31,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:31,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:10:31,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:31,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:10:31,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:31,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:31,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:31,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:31,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:31,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:31,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:10:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:31,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:31,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:31,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:31,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:31,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:10:31,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:31,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:31,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:31,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:31,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:31,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:31,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 12:10:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:31,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:31,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:31,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 12:10:31,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:31,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 12:10:31,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:31,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:31,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:10:31,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 12:10:31,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:10:31,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:32,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:10:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:32,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:32,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:32,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:10:32,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:32,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 12:10:32,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:32,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:32,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:10:32,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:32,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 12:10:32,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:32,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:10:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:32,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:32,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:32,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:10:32,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:32,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:10:32,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:32,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:32,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:32,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:32,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:32,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:32,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:10:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:32,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:32,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:32,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:10:32,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:32,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:10:32,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:32,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:32,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:32,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 12:10:32,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:32,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:32,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-25 12:10:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:32,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:32,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:32,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:32,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:32,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:10:32,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:32,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:10:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:32,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:32,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 12:10:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:32,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:32,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:32,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:32,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:32,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:10:32,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:32,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:32,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:32,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:10:32,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:32,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:32,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 12:10:32,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [333750482] [2020-09-25 12:10:32,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:10:32,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 12:10:32,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590603983] [2020-09-25 12:10:32,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 12:10:32,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:10:32,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 12:10:32,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:10:32,240 INFO L87 Difference]: Start difference. First operand 375 states and 416 transitions. Second operand 11 states. [2020-09-25 12:10:34,100 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:10:34,430 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:10:34,768 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 12:10:35,092 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:10:35,428 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:10:35,757 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:10:36,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:10:36,669 INFO L93 Difference]: Finished difference Result 785 states and 950 transitions. [2020-09-25 12:10:36,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 12:10:36,672 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 207 [2020-09-25 12:10:36,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:10:36,682 INFO L225 Difference]: With dead ends: 785 [2020-09-25 12:10:36,682 INFO L226 Difference]: Without dead ends: 525 [2020-09-25 12:10:36,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-25 12:10:36,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2020-09-25 12:10:36,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 383. [2020-09-25 12:10:36,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-09-25 12:10:36,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 424 transitions. [2020-09-25 12:10:36,795 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 424 transitions. Word has length 207 [2020-09-25 12:10:36,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:10:36,796 INFO L479 AbstractCegarLoop]: Abstraction has 383 states and 424 transitions. [2020-09-25 12:10:36,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 12:10:36,797 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 424 transitions. [2020-09-25 12:10:36,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-25 12:10:36,802 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:10:36,803 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:10:36,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 12:10:36,803 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:10:36,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:10:36,804 INFO L82 PathProgramCache]: Analyzing trace with hash 609245125, now seen corresponding path program 1 times [2020-09-25 12:10:36,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:10:36,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1273440446] [2020-09-25 12:10:36,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:10:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:36,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:37,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:38,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:38,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 12:10:38,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:10:38,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1757 [2020-09-25 12:10:38,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:38,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:38,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:10:38,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-09-25 12:10:38,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:10:38,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:38,996 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:10:38,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:10:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:39,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:39,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:39,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:10:39,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:39,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-25 12:10:39,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:39,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:39,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:39,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:39,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:39,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:39,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:10:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:39,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:39,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:39,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:39,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:39,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:10:39,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:39,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:39,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:39,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:39,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:39,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:39,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:10:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:39,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:39,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:39,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:39,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:39,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:10:39,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:39,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:39,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:39,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:39,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:39,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:39,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:10:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:39,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:39,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:39,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:39,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:39,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:10:39,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:39,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:39,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:39,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:39,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:39,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:39,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:10:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:39,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:39,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:39,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:39,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:39,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:10:39,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:39,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:39,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:39,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:39,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:39,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:39,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:10:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:39,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:39,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:39,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:10:39,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:39,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:10:39,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:39,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:39,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:39,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:39,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:39,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:39,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 12:10:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:39,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:39,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:39,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:10:39,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:39,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:10:39,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:39,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:39,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:39,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:39,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:39,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:39,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:10:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:39,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:39,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:39,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:39,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:39,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:10:39,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:39,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:39,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:39,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:39,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:39,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:39,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 12:10:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:39,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:39,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:39,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 12:10:39,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:39,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-25 12:10:39,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:39,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:39,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:10:39,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 12:10:39,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:10:39,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:39,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:10:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:39,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:39,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:39,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:10:39,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:39,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 12:10:39,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:39,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:39,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:10:39,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 12:10:39,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:10:39,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:39,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:10:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:39,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:39,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:39,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:10:39,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:39,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:10:39,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:39,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:39,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:10:39,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:39,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:10:39,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:39,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:10:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:39,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:39,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:39,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:10:39,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:39,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:10:39,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:39,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:39,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:39,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 12:10:39,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:39,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:39,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 12:10:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:39,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:39,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:39,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:39,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:39,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:10:39,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:39,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:39,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:39,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:10:39,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:39,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:39,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 12:10:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:39,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:39,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:39,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:39,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:39,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:10:39,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:39,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:39,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:39,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:10:39,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:39,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:39,535 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 12:10:39,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1273440446] [2020-09-25 12:10:39,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:10:39,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 12:10:39,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794715981] [2020-09-25 12:10:39,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 12:10:39,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:10:39,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 12:10:39,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 12:10:39,537 INFO L87 Difference]: Start difference. First operand 383 states and 424 transitions. Second operand 9 states. [2020-09-25 12:10:40,702 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:10:40,987 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:10:41,296 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:10:41,615 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:10:41,921 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:10:42,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:10:42,820 INFO L93 Difference]: Finished difference Result 734 states and 871 transitions. [2020-09-25 12:10:42,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 12:10:42,820 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 194 [2020-09-25 12:10:42,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:10:42,824 INFO L225 Difference]: With dead ends: 734 [2020-09-25 12:10:42,824 INFO L226 Difference]: Without dead ends: 466 [2020-09-25 12:10:42,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 12:10:42,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-09-25 12:10:42,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 389. [2020-09-25 12:10:42,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-09-25 12:10:42,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 430 transitions. [2020-09-25 12:10:42,872 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 430 transitions. Word has length 194 [2020-09-25 12:10:42,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:10:42,872 INFO L479 AbstractCegarLoop]: Abstraction has 389 states and 430 transitions. [2020-09-25 12:10:42,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 12:10:42,873 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 430 transitions. [2020-09-25 12:10:42,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-25 12:10:42,875 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:10:42,876 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:10:42,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 12:10:42,876 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:10:42,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:10:42,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1521877566, now seen corresponding path program 1 times [2020-09-25 12:10:42,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:10:42,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [386223780] [2020-09-25 12:10:42,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:10:42,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:42,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:43,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking...