/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 interpolation-heuristic=FIRST --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_spec2_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:44:34,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:44:34,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:44:34,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:44:34,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:44:34,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:44:34,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:44:34,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:44:34,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:44:34,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:44:34,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:44:34,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:44:34,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:44:34,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:44:34,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:44:34,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:44:34,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:44:34,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:44:34,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:44:34,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:44:34,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:44:34,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:44:34,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:44:34,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:44:34,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:44:34,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:44:34,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:44:34,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:44:34,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:44:34,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:44:34,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:44:34,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:44:34,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:44:34,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:44:34,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:44:34,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:44:34,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:44:34,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:44:34,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:44:34,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:44:34,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:44:34,999 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 [2020-09-24 15:44:35,026 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:44:35,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:44:35,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:44:35,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:44:35,028 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:44:35,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:44:35,029 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:44:35,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:44:35,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:44:35,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:44:35,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:44:35,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:44:35,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:44:35,030 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:44:35,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:44:35,030 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:44:35,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:44:35,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:44:35,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:44:35,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:44:35,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:44:35,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:44:35,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:44:35,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:44:35,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:44:35,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:44:35,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:44:35,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:44:35,033 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:44:35,033 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:44:35,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:44:35,492 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:44:35,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:44:35,500 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:44:35,502 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:44:35,503 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2020-09-24 15:44:35,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01f29219c/4ba909f43e1e49c187c603c52dee102b/FLAG251de8557 [2020-09-24 15:44:36,247 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:44:36,248 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2020-09-24 15:44:36,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01f29219c/4ba909f43e1e49c187c603c52dee102b/FLAG251de8557 [2020-09-24 15:44:36,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01f29219c/4ba909f43e1e49c187c603c52dee102b [2020-09-24 15:44:36,463 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:44:36,467 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:44:36,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:44:36,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:44:36,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:44:36,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:44:36" (1/1) ... [2020-09-24 15:44:36,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce63ba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:36, skipping insertion in model container [2020-09-24 15:44:36,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:44:36" (1/1) ... [2020-09-24 15:44:36,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:44:36,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:44:37,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:44:37,052 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:44:37,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:44:37,170 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:44:37,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:37 WrapperNode [2020-09-24 15:44:37,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:44:37,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:44:37,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:44:37,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:44:37,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:37" (1/1) ... [2020-09-24 15:44:37,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:37" (1/1) ... [2020-09-24 15:44:37,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:37" (1/1) ... [2020-09-24 15:44:37,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:37" (1/1) ... [2020-09-24 15:44:37,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:37" (1/1) ... [2020-09-24 15:44:37,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:37" (1/1) ... [2020-09-24 15:44:37,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:37" (1/1) ... [2020-09-24 15:44:37,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:44:37,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:44:37,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:44:37,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:44:37,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:37" (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 [2020-09-24 15:44:37,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:44:37,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:44:37,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:44:37,384 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:44:37,384 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:44:37,384 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:44:37,385 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:44:37,385 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:44:37,385 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:44:37,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:44:37,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:44:37,385 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:44:37,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:44:37,386 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:44:37,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:44:37,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:44:37,386 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:44:37,387 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:44:37,387 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:44:37,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:44:37,387 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:44:37,387 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:44:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:44:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:44:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:44:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:44:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:44:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:44:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:44:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:44:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:44:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:44:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:44:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:44:37,390 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:44:37,390 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:44:37,390 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:44:37,390 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:44:37,390 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:44:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:44:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:44:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:44:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:44:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:44:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:44:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:44:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:44:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:44:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:44:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:44:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:44:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:44:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:44:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:44:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:44:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:44:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:44:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:44:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:44:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:44:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:44:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:44:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:44:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:44:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:44:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:44:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:44:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:44:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:44:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:44:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:44:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:44:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:44:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:44:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:44:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:44:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:44:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:44:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:44:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:44:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:44:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:44:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:44:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:44:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:44:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:44:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:44:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:44:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:44:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:44:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:44:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:44:38,585 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:44:38,585 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:44:38,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:44:38 BoogieIcfgContainer [2020-09-24 15:44:38,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:44:38,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:44:38,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:44:38,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:44:38,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:44:36" (1/3) ... [2020-09-24 15:44:38,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c27822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:44:38, skipping insertion in model container [2020-09-24 15:44:38,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:37" (2/3) ... [2020-09-24 15:44:38,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c27822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:44:38, skipping insertion in model container [2020-09-24 15:44:38,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:44:38" (3/3) ... [2020-09-24 15:44:38,602 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2020-09-24 15:44:38,614 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:44:38,625 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:44:38,645 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:44:38,678 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:44:38,678 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:44:38,678 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:44:38,678 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:44:38,679 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:44:38,679 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:44:38,679 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:44:38,679 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:44:38,704 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states. [2020-09-24 15:44:38,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 15:44:38,722 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:44:38,724 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:44:38,725 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:44:38,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:44:38,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1187069653, now seen corresponding path program 1 times [2020-09-24 15:44:38,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:44:38,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1838649169] [2020-09-24 15:44:38,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:44:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:39,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:39,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:39,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:39,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:39,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:44:39,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:39,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:44:39,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:39,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:39,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:44:39,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:39,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:39,587 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:44:39,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:44:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:39,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:39,629 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:39,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:39,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:39,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:44:39,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:39,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:44:39,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:39,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:39,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:39,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:39,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:44:39,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:44:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:39,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:39,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:39,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:39,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:39,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:39,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:39,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:39,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:39,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:39,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:44:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:39,807 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:39,807 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:39,807 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:39,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:39,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:39,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:39,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:39,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:39,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:39,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:39,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:39,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:39,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:44:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:39,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:39,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:39,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:39,815 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:39,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:39,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:39,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:39,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:39,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:39,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:39,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:39,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:39,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:44:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:39,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:39,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:39,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:39,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:39,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:39,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:39,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:44:39,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:39,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:39,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:39,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:39,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:39,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:44:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:39,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:39,846 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:39,846 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:39,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:39,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:44:39,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:39,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:39,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:39,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:39,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:39,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:39,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:39,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:44:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:39,855 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:39,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:39,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:39,856 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:39,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:39,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:39,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:39,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:39,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:39,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:44:39,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:39,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:39,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:44:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:39,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:39,864 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:39,864 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:39,864 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:39,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:39,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:39,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:39,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:39,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:39,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:44:39,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:39,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:39,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:44:39,900 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1838649169] [2020-09-24 15:44:39,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:44:39,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:44:39,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456702726] [2020-09-24 15:44:39,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:44:39,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:44:39,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:44:39,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:44:39,933 INFO L87 Difference]: Start difference. First operand 310 states. Second operand 4 states. [2020-09-24 15:44:41,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:44:41,296 INFO L93 Difference]: Finished difference Result 480 states and 569 transitions. [2020-09-24 15:44:41,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:44:41,298 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-24 15:44:41,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:44:41,336 INFO L225 Difference]: With dead ends: 480 [2020-09-24 15:44:41,337 INFO L226 Difference]: Without dead ends: 306 [2020-09-24 15:44:41,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:44:41,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-09-24 15:44:41,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 259. [2020-09-24 15:44:41,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-09-24 15:44:41,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 282 transitions. [2020-09-24 15:44:41,450 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 282 transitions. Word has length 148 [2020-09-24 15:44:41,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:44:41,451 INFO L479 AbstractCegarLoop]: Abstraction has 259 states and 282 transitions. [2020-09-24 15:44:41,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:44:41,452 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 282 transitions. [2020-09-24 15:44:41,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-24 15:44:41,457 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:44:41,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:44:41,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:44:41,458 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:44:41,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:44:41,458 INFO L82 PathProgramCache]: Analyzing trace with hash 988149189, now seen corresponding path program 1 times [2020-09-24 15:44:41,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:44:41,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1017904131] [2020-09-24 15:44:41,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:44:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:41,539 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:41,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:41,540 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:41,540 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:41,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-24 15:44:41,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:41,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:44:41,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:41,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:41,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:44:41,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:44:41,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:41,886 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:44:41,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:44:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:41,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:41,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:41,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:41,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:41,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:44:41,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:41,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:41,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:41,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:41,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:41,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:41,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:41,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:44:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:41,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:41,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:41,975 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:41,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:41,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:41,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:41,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:41,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:41,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:41,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:41,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:41,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:41,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:44:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:41,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:41,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:41,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:41,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:41,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:41,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:41,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:41,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:41,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:41,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:41,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:41,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:41,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:44:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:41,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:41,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:41,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:41,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:41,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:41,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:41,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:41,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:41,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:41,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:41,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:41,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:41,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:44:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:41,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:41,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:41,992 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:41,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:41,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:41,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:41,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:41,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:41,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:41,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:41,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:41,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:42,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:44:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:42,003 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:42,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:42,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:42,004 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:42,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:44:42,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:42,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:42,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:42,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:42,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:42,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:42,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:42,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 15:44:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:42,009 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:42,009 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:42,009 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:42,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:42,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:42,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:42,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:42,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:42,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:42,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:44:42,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:42,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:42,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:44:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:42,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:42,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:42,015 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:42,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:42,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:42,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:42,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:42,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:42,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:42,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:44:42,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:42,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:42,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:44:42,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1017904131] [2020-09-24 15:44:42,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:44:42,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:44:42,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130263607] [2020-09-24 15:44:42,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:44:42,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:44:42,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:44:42,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:44:42,046 INFO L87 Difference]: Start difference. First operand 259 states and 282 transitions. Second operand 5 states. [2020-09-24 15:44:42,765 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:44:43,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:44:43,802 INFO L93 Difference]: Finished difference Result 409 states and 464 transitions. [2020-09-24 15:44:43,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:44:43,803 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-24 15:44:43,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:44:43,807 INFO L225 Difference]: With dead ends: 409 [2020-09-24 15:44:43,807 INFO L226 Difference]: Without dead ends: 295 [2020-09-24 15:44:43,809 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:44:43,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-09-24 15:44:43,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 249. [2020-09-24 15:44:43,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-09-24 15:44:43,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 269 transitions. [2020-09-24 15:44:43,849 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 269 transitions. Word has length 149 [2020-09-24 15:44:43,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:44:43,849 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 269 transitions. [2020-09-24 15:44:43,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:44:43,850 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 269 transitions. [2020-09-24 15:44:43,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-09-24 15:44:43,852 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:44:43,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:44:43,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:44:43,853 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:44:43,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:44:43,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1661669589, now seen corresponding path program 1 times [2020-09-24 15:44:43,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:44:43,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [71213410] [2020-09-24 15:44:43,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:44:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:43,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:44:43,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:43,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:43,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:43,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-09-24 15:44:43,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:43,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:44:43,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:43,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:43,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:44:43,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:44:43,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:44,259 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:44:44,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:44:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:44,301 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:44,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:44,301 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:44,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:44,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:44:44,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:44,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:44:44,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:44,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:44,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:44,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:44:44,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:44,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:44:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:44,358 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:44,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:44,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:44,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:44,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:44,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:44,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:44:44,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:44,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:44,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:44,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:44:44,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:44,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:44:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:44,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:44,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:44,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:44,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:44,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:44,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:44,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:44,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:44,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:44,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:44,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:44:44,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:44,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:44:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:44,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:44,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:44,377 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:44,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:44,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:44,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:44,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:44,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:44,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:44,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:44,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:44:44,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:44,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:44:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:44,382 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:44,382 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:44,383 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:44,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:44,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:44,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:44,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:44,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:44,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:44,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:44,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:44:44,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:44,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:44:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:44,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:44,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:44,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:44,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:44,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:44:44,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:44,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:44,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:44,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:44,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:44,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:44:44,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:44,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:44:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:44,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:44,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:44,402 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:44,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:44,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:44,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:44,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:44,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:44,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:44,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:44:44,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:44,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:44,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-24 15:44:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:44,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:44,407 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:44,407 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:44,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:44,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:44,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:44,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:44:44,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:44,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:44,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:44:44,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:44,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:44,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:44:44,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [71213410] [2020-09-24 15:44:44,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:44:44,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:44:44,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137329922] [2020-09-24 15:44:44,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:44:44,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:44:44,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:44:44,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:44:44,450 INFO L87 Difference]: Start difference. First operand 249 states and 269 transitions. Second operand 5 states. [2020-09-24 15:44:44,980 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:44:45,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:44:45,797 INFO L93 Difference]: Finished difference Result 429 states and 490 transitions. [2020-09-24 15:44:45,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:44:45,798 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2020-09-24 15:44:45,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:44:45,803 INFO L225 Difference]: With dead ends: 429 [2020-09-24 15:44:45,803 INFO L226 Difference]: Without dead ends: 295 [2020-09-24 15:44:45,810 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:44:45,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-09-24 15:44:45,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 249. [2020-09-24 15:44:45,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-09-24 15:44:45,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 268 transitions. [2020-09-24 15:44:45,877 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 268 transitions. Word has length 158 [2020-09-24 15:44:45,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:44:45,879 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 268 transitions. [2020-09-24 15:44:45,879 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:44:45,879 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 268 transitions. [2020-09-24 15:44:45,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-09-24 15:44:45,882 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:44:45,882 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:44:45,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:44:45,883 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:44:45,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:44:45,883 INFO L82 PathProgramCache]: Analyzing trace with hash -799133163, now seen corresponding path program 1 times [2020-09-24 15:44:45,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:44:45,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1417866998] [2020-09-24 15:44:45,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:44:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:46,006 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:46,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:46,007 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:46,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:46,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-09-24 15:44:46,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:46,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 15:44:46,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:46,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:44:46,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:44:46,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-24 15:44:46,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:46,329 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:44:46,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:44:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:46,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:46,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:46,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:46,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:46,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:44:46,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:46,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:44:46,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:46,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:46,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:46,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:44:46,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:46,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:44:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:46,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:46,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:46,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:46,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:46,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:46,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:46,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:46,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:46,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:46,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:46,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:44:46,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:46,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:44:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:46,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:46,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:46,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:46,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:46,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:46,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:46,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:46,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:46,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:46,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:46,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:44:46,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:46,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:44:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:46,433 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:46,433 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:46,433 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:46,433 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:46,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:46,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:46,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:46,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:46,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:46,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:46,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:44:46,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:46,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:44:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:46,439 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:46,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:46,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:46,440 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:46,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:46,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:46,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:46,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:46,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:46,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:46,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:44:46,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:46,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:44:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:46,457 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:46,457 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:46,458 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:46,458 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:46,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:44:46,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:46,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:46,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:46,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:46,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:46,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:44:46,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:46,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:44:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:46,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:46,477 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:46,477 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:46,477 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:46,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:44:46,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:46,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:44:46,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:46,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:44:46,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:44:46,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:44:46,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:46,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:44:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:46,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:46,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:46,488 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:46,488 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:46,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:44:46,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:46,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:44:46,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:46,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:44:46,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:44:46,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:44:46,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:46,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:44:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:46,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:46,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:46,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:46,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:46,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:46,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:46,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:46,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:46,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:46,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:46,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:44:46,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:46,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:44:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:46,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:46,509 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:46,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:46,509 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:46,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:46,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:46,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:46,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:46,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:46,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:44:46,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:46,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:46,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-24 15:44:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:46,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:46,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:46,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:46,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:46,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:46,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:46,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:44:46,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:46,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:46,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:44:46,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:46,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:46,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:44:46,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1417866998] [2020-09-24 15:44:46,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:44:46,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:44:46,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055524417] [2020-09-24 15:44:46,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:44:46,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:44:46,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:44:46,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:44:46,560 INFO L87 Difference]: Start difference. First operand 249 states and 268 transitions. Second operand 7 states. [2020-09-24 15:44:47,120 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:44:48,700 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:44:49,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:44:49,520 INFO L93 Difference]: Finished difference Result 568 states and 657 transitions. [2020-09-24 15:44:49,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:44:49,521 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 171 [2020-09-24 15:44:49,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:44:49,526 INFO L225 Difference]: With dead ends: 568 [2020-09-24 15:44:49,526 INFO L226 Difference]: Without dead ends: 434 [2020-09-24 15:44:49,527 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:44:49,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-09-24 15:44:49,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 363. [2020-09-24 15:44:49,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-09-24 15:44:49,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 393 transitions. [2020-09-24 15:44:49,597 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 393 transitions. Word has length 171 [2020-09-24 15:44:49,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:44:49,598 INFO L479 AbstractCegarLoop]: Abstraction has 363 states and 393 transitions. [2020-09-24 15:44:49,598 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:44:49,598 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 393 transitions. [2020-09-24 15:44:49,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-09-24 15:44:49,600 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:44:49,601 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:44:49,601 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:44:49,601 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:44:49,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:44:49,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1997051392, now seen corresponding path program 1 times [2020-09-24 15:44:49,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:44:49,602 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1084716555] [2020-09-24 15:44:49,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:44:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:49,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:49,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:49,710 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:49,710 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:49,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-09-24 15:44:49,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:49,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 15:44:49,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:49,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:44:49,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:44:49,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-09-24 15:44:49,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:50,220 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:44:50,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:44:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:50,271 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:50,271 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:50,272 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:50,272 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:50,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:44:50,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:50,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:44:50,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:50,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:50,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:50,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:44:50,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:50,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:44:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:50,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:50,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:50,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:50,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:50,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:50,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:50,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:44:50,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:50,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:50,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:50,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:44:50,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:50,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:44:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:50,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:50,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:50,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:50,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:50,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:50,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:50,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:44:50,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:50,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:50,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:50,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:44:50,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:50,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:44:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:50,363 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:50,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:50,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:50,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:50,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:50,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:50,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:44:50,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:50,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:50,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:44:50,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:50,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:44:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:50,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:50,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:50,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:50,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:50,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:50,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:50,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:44:50,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:50,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:50,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:50,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:44:50,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:50,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:44:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:50,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:50,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:50,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:50,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:50,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:44:50,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:50,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:44:50,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:50,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:50,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:50,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:44:50,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:50,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:44:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:50,434 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:50,434 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:50,435 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:50,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:50,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:44:50,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:50,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:44:50,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:50,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:50,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:50,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-24 15:44:50,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:50,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:44:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:50,446 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:50,446 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:50,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:50,447 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:50,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:44:50,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:50,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:50,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:50,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:50,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:50,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:50,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:50,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:44:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:50,456 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:50,457 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:50,457 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:50,458 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:50,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:44:50,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:50,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:50,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:50,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:50,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:50,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:50,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:50,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:44:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:50,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:50,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:50,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:50,467 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:50,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:44:50,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:50,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:50,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:50,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:50,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:50,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:50,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:50,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:44:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:50,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:50,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:50,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:50,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:50,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:50,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:50,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:50,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:50,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:50,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:50,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:50,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:50,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 15:44:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:50,490 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:50,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:50,491 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:50,491 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:50,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:50,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:50,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:44:50,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:50,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:44:50,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:50,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:44:50,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:50,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 15:44:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:50,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:50,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:50,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:50,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:50,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:50,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:50,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:50,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:50,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:50,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:44:50,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:50,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:50,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:44:50,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1084716555] [2020-09-24 15:44:50,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:44:50,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:44:50,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258750478] [2020-09-24 15:44:50,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:44:50,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:44:50,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:44:50,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:44:50,695 INFO L87 Difference]: Start difference. First operand 363 states and 393 transitions. Second operand 10 states. [2020-09-24 15:44:51,382 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:44:53,049 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:44:53,361 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:44:53,703 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:53,999 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:44:54,328 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:44:54,621 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:44:54,960 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:44:55,369 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:44:56,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:44:56,553 INFO L93 Difference]: Finished difference Result 923 states and 1078 transitions. [2020-09-24 15:44:56,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:44:56,554 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2020-09-24 15:44:56,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:44:56,560 INFO L225 Difference]: With dead ends: 923 [2020-09-24 15:44:56,560 INFO L226 Difference]: Without dead ends: 675 [2020-09-24 15:44:56,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:44:56,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2020-09-24 15:44:56,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 565. [2020-09-24 15:44:56,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2020-09-24 15:44:56,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 617 transitions. [2020-09-24 15:44:56,634 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 617 transitions. Word has length 195 [2020-09-24 15:44:56,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:44:56,635 INFO L479 AbstractCegarLoop]: Abstraction has 565 states and 617 transitions. [2020-09-24 15:44:56,635 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:44:56,635 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 617 transitions. [2020-09-24 15:44:56,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-24 15:44:56,638 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:44:56,638 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:44:56,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:44:56,639 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:44:56,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:44:56,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1721708242, now seen corresponding path program 1 times [2020-09-24 15:44:56,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:44:56,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [807739941] [2020-09-24 15:44:56,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:44:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:56,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:56,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:56,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:56,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:56,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-24 15:44:56,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:56,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-24 15:44:56,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:44:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:44:56,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-09-24 15:44:56,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:57,244 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:44:57,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:44:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:57,287 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:57,288 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:57,288 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:57,288 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:57,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:44:57,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:57,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:57,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:57,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:57,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:57,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:44:57,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:57,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:44:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:57,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:57,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:57,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:57,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:57,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:57,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:57,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:57,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:57,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:57,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:57,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:44:57,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:57,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:44:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:57,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:57,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:57,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:57,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:57,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:57,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:57,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:57,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:57,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:57,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:57,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:44:57,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:57,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:44:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:57,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:57,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:57,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:57,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:57,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:57,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:57,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:57,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:57,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:57,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:57,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:44:57,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:57,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:44:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:57,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:57,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:57,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:57,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:57,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:57,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:57,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:57,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:57,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:57,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:57,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:44:57,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:57,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:44:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:57,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:57,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:57,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:57,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:57,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:44:57,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:57,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:57,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:57,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:44:57,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:57,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:44:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:57,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:57,384 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:57,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:57,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:57,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:44:57,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:57,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:57,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:57,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:57,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:57,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:44:57,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:57,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:44:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:57,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:57,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:57,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:57,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:57,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:44:57,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:57,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:57,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:57,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:57,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:57,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:44:57,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:57,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:44:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:57,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:57,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:57,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:57,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:57,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:44:57,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:57,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:57,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:57,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:57,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:57,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:44:57,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:57,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:44:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:57,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:57,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:57,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:57,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:57,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:44:57,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:57,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:57,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:57,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:57,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:57,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:44:57,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:57,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:44:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:57,433 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:57,434 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:57,434 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:57,434 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:57,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:44:57,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:57,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:57,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:57,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:57,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:57,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:57,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:57,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:44:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:57,439 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:57,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:57,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:57,440 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:57,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:57,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:57,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:57,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:57,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:57,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:57,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:44:57,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:57,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-24 15:44:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:57,446 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:57,446 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:57,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:57,447 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:57,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:57,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:57,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:57,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:57,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:44:57,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:57,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:44:57,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:57,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-24 15:44:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:57,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:57,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:57,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:57,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:57,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:57,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:57,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:44:57,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:57,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:44:57,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:57,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:44:57,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:57,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:44:57,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [807739941] [2020-09-24 15:44:57,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:44:57,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:44:57,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466618511] [2020-09-24 15:44:57,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:44:57,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:44:57,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:44:57,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:44:57,521 INFO L87 Difference]: Start difference. First operand 565 states and 617 transitions. Second operand 11 states. [2020-09-24 15:44:58,067 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:44:59,680 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:44:59,962 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:00,248 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:00,578 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:00,889 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:01,235 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:01,556 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:01,966 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:03,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:03,092 INFO L93 Difference]: Finished difference Result 1186 states and 1371 transitions. [2020-09-24 15:45:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 15:45:03,093 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 200 [2020-09-24 15:45:03,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:03,098 INFO L225 Difference]: With dead ends: 1186 [2020-09-24 15:45:03,098 INFO L226 Difference]: Without dead ends: 736 [2020-09-24 15:45:03,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=270, Invalid=722, Unknown=0, NotChecked=0, Total=992 [2020-09-24 15:45:03,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2020-09-24 15:45:03,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 563. [2020-09-24 15:45:03,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-09-24 15:45:03,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 613 transitions. [2020-09-24 15:45:03,181 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 613 transitions. Word has length 200 [2020-09-24 15:45:03,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:03,182 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 613 transitions. [2020-09-24 15:45:03,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:45:03,182 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 613 transitions. [2020-09-24 15:45:03,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-09-24 15:45:03,185 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:03,185 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:03,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:45:03,185 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:03,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:03,186 INFO L82 PathProgramCache]: Analyzing trace with hash -383352913, now seen corresponding path program 1 times [2020-09-24 15:45:03,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:03,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [51474469] [2020-09-24 15:45:03,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,252 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-09-24 15:45:03,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:45:03,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:03,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 191 [2020-09-24 15:45:03,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:03,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,520 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:03,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:03,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:03,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:03,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:03,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:03,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:03,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:03,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:03,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:03,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,568 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,568 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,568 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,569 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:03,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:03,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:03,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:03,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:03,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,572 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:03,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:03,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:03,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:03,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:03,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:03,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:03,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:03,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:03,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:03,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:03,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:03,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:03,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:03,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,598 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,598 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:03,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:03,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:03,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:03,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:45:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:45:03,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:03,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:03,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:45:03,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:03,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,635 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,635 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:45:03,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:03,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:03,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:45:03,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:03,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,667 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,668 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,668 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:03,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:03,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:03,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:03,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:45:03,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,723 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,723 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,723 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,724 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:03,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:03,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:03,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:03,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:03,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:03,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:45:03,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:03,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-24 15:45:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,741 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,741 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,741 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,741 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:03,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:03,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:03,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:03,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:03,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-24 15:45:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,747 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,747 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:03,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:03,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:03,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:03,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:03,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [51474469] [2020-09-24 15:45:03,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:03,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:45:03,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459199072] [2020-09-24 15:45:03,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:45:03,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:03,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:45:03,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:45:03,788 INFO L87 Difference]: Start difference. First operand 563 states and 613 transitions. Second operand 11 states. [2020-09-24 15:45:05,144 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:05,462 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:05,817 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:45:06,142 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:06,460 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:06,754 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:08,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:08,131 INFO L93 Difference]: Finished difference Result 1194 states and 1385 transitions. [2020-09-24 15:45:08,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:45:08,131 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 201 [2020-09-24 15:45:08,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:08,138 INFO L225 Difference]: With dead ends: 1194 [2020-09-24 15:45:08,138 INFO L226 Difference]: Without dead ends: 746 [2020-09-24 15:45:08,140 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:45:08,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2020-09-24 15:45:08,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 579. [2020-09-24 15:45:08,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2020-09-24 15:45:08,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 629 transitions. [2020-09-24 15:45:08,253 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 629 transitions. Word has length 201 [2020-09-24 15:45:08,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:08,254 INFO L479 AbstractCegarLoop]: Abstraction has 579 states and 629 transitions. [2020-09-24 15:45:08,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:45:08,255 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 629 transitions. [2020-09-24 15:45:08,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-09-24 15:45:08,259 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:08,260 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:08,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:45:08,260 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:08,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:08,261 INFO L82 PathProgramCache]: Analyzing trace with hash -508557297, now seen corresponding path program 1 times [2020-09-24 15:45:08,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:08,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [194791779] [2020-09-24 15:45:08,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:45:08,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -78 [2020-09-24 15:45:08,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 78 [2020-09-24 15:45:08,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-09-24 15:45:08,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:08,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:08,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 183 [2020-09-24 15:45:08,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:08,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:08,585 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:08,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,593 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,594 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:08,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:08,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:08,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:08,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:08,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:08,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,627 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,628 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,628 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,628 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:08,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:08,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:08,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:08,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:08,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:08,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,632 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,632 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,632 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:08,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:08,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:08,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:08,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:08,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:08,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:08,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:08,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:08,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:08,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:08,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:08,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:08,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:08,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:08,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:08,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:08,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:08,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,654 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:08,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:08,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:08,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:08,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:08,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:08,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:08,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:08,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:08,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:08,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:08,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:08,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:45:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,689 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,689 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,690 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:45:08,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:08,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:08,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:45:08,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:08,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:08,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,706 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,706 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,706 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:45:08,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:08,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:08,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:45:08,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:08,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:08,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:08,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:45:08,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:08,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:45:08,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:08,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:08,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,748 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,749 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:08,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:08,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:45:08,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:08,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:08,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:08,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:08,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:08,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:08,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:45:08,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:08,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:08,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-24 15:45:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,788 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,788 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,788 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,788 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:08,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:08,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:08,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:08,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:08,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:08,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-24 15:45:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:08,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:08,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:08,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:08,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:08,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:08,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:08,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:08,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:08,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:08,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:08,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:08,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:08,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:08,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [194791779] [2020-09-24 15:45:08,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:08,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:45:08,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832323127] [2020-09-24 15:45:08,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:45:08,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:08,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:45:08,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:45:08,830 INFO L87 Difference]: Start difference. First operand 579 states and 629 transitions. Second operand 10 states. [2020-09-24 15:45:10,060 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:10,397 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:45:10,698 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:11,006 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:11,287 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:12,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:12,538 INFO L93 Difference]: Finished difference Result 1232 states and 1441 transitions. [2020-09-24 15:45:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:45:12,538 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 201 [2020-09-24 15:45:12,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:12,545 INFO L225 Difference]: With dead ends: 1232 [2020-09-24 15:45:12,545 INFO L226 Difference]: Without dead ends: 768 [2020-09-24 15:45:12,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:45:12,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-09-24 15:45:12,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 591. [2020-09-24 15:45:12,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-09-24 15:45:12,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 641 transitions. [2020-09-24 15:45:12,628 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 641 transitions. Word has length 201 [2020-09-24 15:45:12,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:12,629 INFO L479 AbstractCegarLoop]: Abstraction has 591 states and 641 transitions. [2020-09-24 15:45:12,629 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:45:12,630 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 641 transitions. [2020-09-24 15:45:12,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-09-24 15:45:12,636 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:12,636 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:12,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:45:12,637 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:12,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:12,637 INFO L82 PathProgramCache]: Analyzing trace with hash 181936844, now seen corresponding path program 1 times [2020-09-24 15:45:12,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:12,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [458175969] [2020-09-24 15:45:12,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:12,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:12,717 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:12,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:12,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:12,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-09-24 15:45:12,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:12,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 15:45:12,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:45:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:45:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-24 15:45:12,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:13,033 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:13,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,073 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:13,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:13,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:13,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:13,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:45:13,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:13,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:13,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:13,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:13,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:13,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:13,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:13,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:13,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:13,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:13,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:13,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:13,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:13,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:13,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:13,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:13,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:13,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:13,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:13,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:13,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:13,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:13,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:13,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:13,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:13,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,167 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:13,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:13,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:13,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:13,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:13,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:13,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,186 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,187 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:13,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:13,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:13,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:13,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:13,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:13,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:45:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:45:13,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:13,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:13,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:45:13,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:45:13,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:13,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,248 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,248 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,248 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:45:13,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:13,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:13,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:13,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:45:13,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:13,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,271 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,272 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,272 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,272 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:13,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:13,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:13,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:13,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:13,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:13,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:13,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:13,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:13,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:13,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:13,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:13,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,324 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:13,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:13,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:13,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:13,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:13,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:13,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-24 15:45:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,333 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,333 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,333 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,334 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:13,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:13,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:13,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:13,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:13,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:13,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-24 15:45:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:13,339 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:13,339 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:13,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:13,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:13,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:13,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:13,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:13,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:13,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:13,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:13,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:13,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:13,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:13,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [458175969] [2020-09-24 15:45:13,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:13,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:45:13,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087811021] [2020-09-24 15:45:13,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:45:13,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:13,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:45:13,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:45:13,446 INFO L87 Difference]: Start difference. First operand 591 states and 641 transitions. Second operand 8 states. [2020-09-24 15:45:13,970 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:14,638 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:16,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:16,754 INFO L93 Difference]: Finished difference Result 1713 states and 2054 transitions. [2020-09-24 15:45:16,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:45:16,756 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 201 [2020-09-24 15:45:16,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:16,764 INFO L225 Difference]: With dead ends: 1713 [2020-09-24 15:45:16,764 INFO L226 Difference]: Without dead ends: 1237 [2020-09-24 15:45:16,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=140, Invalid=412, Unknown=0, NotChecked=0, Total=552 [2020-09-24 15:45:16,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2020-09-24 15:45:16,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1005. [2020-09-24 15:45:16,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1005 states. [2020-09-24 15:45:16,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1123 transitions. [2020-09-24 15:45:16,939 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1123 transitions. Word has length 201 [2020-09-24 15:45:16,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:16,940 INFO L479 AbstractCegarLoop]: Abstraction has 1005 states and 1123 transitions. [2020-09-24 15:45:16,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:45:16,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1123 transitions. [2020-09-24 15:45:16,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-09-24 15:45:16,942 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:16,942 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:16,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:45:16,943 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:16,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:16,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1993479750, now seen corresponding path program 1 times [2020-09-24 15:45:16,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:16,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [469632723] [2020-09-24 15:45:16,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-09-24 15:45:17,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:45:17,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:45:17,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-24 15:45:17,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-09-24 15:45:17,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:17,322 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:17,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:17,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:17,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:17,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:17,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,363 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:17,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:17,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:17,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:17,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:17,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:17,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:17,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:17,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:17,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:17,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:17,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:17,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:17,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:17,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:17,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:17,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:17,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:17,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:17,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:17,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:17,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:17,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:17,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:17,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:17,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:45:17,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:17,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:45:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:17,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:17,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:17,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:17,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:17,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:17,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:45:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,425 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:17,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:17,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:17,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:17,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:17,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:17,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-24 15:45:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:45:17,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:17,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:17,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:17,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-24 15:45:17,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:17,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:45:17,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:17,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:17,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:17,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:17,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:17,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:17,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:17,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:17,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:17,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:17,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:17,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:17,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:17,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:17,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,485 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:17,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:17,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:17,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:17,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:17,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:17,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-24 15:45:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,502 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,503 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,503 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:17,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:17,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:17,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:17,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:17,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:17,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-24 15:45:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:17,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:17,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:17,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:17,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:17,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:17,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:17,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:17,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:17,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:17,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:17,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:17,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:17,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:17,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [469632723] [2020-09-24 15:45:17,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:17,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:45:17,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681981727] [2020-09-24 15:45:17,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:45:17,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:17,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:45:17,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:45:17,561 INFO L87 Difference]: Start difference. First operand 1005 states and 1123 transitions. Second operand 8 states. [2020-09-24 15:45:18,127 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:20,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:20,959 INFO L93 Difference]: Finished difference Result 1937 states and 2319 transitions. [2020-09-24 15:45:20,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-24 15:45:20,960 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 206 [2020-09-24 15:45:20,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:20,971 INFO L225 Difference]: With dead ends: 1937 [2020-09-24 15:45:20,972 INFO L226 Difference]: Without dead ends: 1934 [2020-09-24 15:45:20,973 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=186, Invalid=516, Unknown=0, NotChecked=0, Total=702 [2020-09-24 15:45:20,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2020-09-24 15:45:21,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1592. [2020-09-24 15:45:21,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1592 states. [2020-09-24 15:45:21,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 1801 transitions. [2020-09-24 15:45:21,208 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 1801 transitions. Word has length 206 [2020-09-24 15:45:21,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:21,211 INFO L479 AbstractCegarLoop]: Abstraction has 1592 states and 1801 transitions. [2020-09-24 15:45:21,211 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:45:21,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 1801 transitions. [2020-09-24 15:45:21,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-09-24 15:45:21,222 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:21,223 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:21,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 15:45:21,224 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:21,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:21,226 INFO L82 PathProgramCache]: Analyzing trace with hash 662776015, now seen corresponding path program 1 times [2020-09-24 15:45:21,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:21,226 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2114385514] [2020-09-24 15:45:21,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,319 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:45:21,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -52 [2020-09-24 15:45:21,319 FATAL L256 erpolLogProxyWrapper]: Difference in width: 52 [2020-09-24 15:45:21,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 353 [2020-09-24 15:45:21,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:45:21,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:45:21,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-24 15:45:21,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-09-24 15:45:21,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:21,710 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:21,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:21,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:21,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:21,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:21,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,773 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,773 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,774 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,774 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:21,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:21,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:21,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:21,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:21,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:21,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,809 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,810 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,810 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,810 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:21,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:21,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:45:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:21,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:21,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:45:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,847 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,847 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,848 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,848 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:21,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:21,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:21,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:21,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:45:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,890 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:45:21,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:21,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:21,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-24 15:45:21,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:21,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,922 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:45:21,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:21,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:45:21,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:21,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:21,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:21,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,950 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,950 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,950 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:21,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:21,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,957 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,958 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,958 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:21,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:21,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 15:45:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,967 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,967 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,967 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:45:21,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:21,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,976 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:21,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:21,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 15:45:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,982 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,982 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:21,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:21,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-09-24 15:45:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:21,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:22,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:22,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:22,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:22,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-24 15:45:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:45:22,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:45:22,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:45:22,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-24 15:45:22,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:45:22,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:22,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:45:22,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:45:22,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:45:22,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:45:22,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:22,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:22,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:22,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:45:22,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:22,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:22,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:45:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:45:22,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:22,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:45:22,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:22,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:22,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:22,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:22,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-09-24 15:45:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,272 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:22,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:22,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:22,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:22,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2020-09-24 15:45:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,281 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,282 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,282 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:22,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:22,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:22,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:22,427 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-09-24 15:45:22,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2114385514] [2020-09-24 15:45:22,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:45:22,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-24 15:45:22,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269970945] [2020-09-24 15:45:22,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-24 15:45:22,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:22,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-24 15:45:22,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:45:22,436 INFO L87 Difference]: Start difference. First operand 1592 states and 1801 transitions. Second operand 17 states. [2020-09-24 15:45:23,174 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:24,353 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:25,813 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:26,187 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:45:26,610 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:26,941 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:28,678 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:29,005 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:45:29,313 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:29,633 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:45:29,953 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:30,296 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:30,619 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:30,943 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:31,274 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:45:31,630 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:31,949 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:45:32,294 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191