/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:04:08,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:04:08,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:04:08,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:04:08,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:04:08,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:04:08,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:04:08,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:04:08,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:04:08,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:04:08,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:04:08,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:04:08,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:04:08,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:04:08,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:04:08,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:04:08,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:04:08,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:04:08,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:04:08,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:04:08,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:04:08,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:04:08,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:04:08,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:04:08,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:04:08,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:04:08,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:04:08,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:04:08,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:04:08,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:04:08,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:04:08,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:04:08,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:04:08,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:04:08,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:04:08,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:04:08,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:04:08,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:04:08,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:04:08,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:04:08,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:04:08,074 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 12:04:08,124 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:04:08,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:04:08,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:04:08,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:04:08,127 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:04:08,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:04:08,127 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:04:08,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:04:08,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:04:08,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:04:08,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:04:08,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:04:08,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:04:08,130 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:04:08,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:04:08,130 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:04:08,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:04:08,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:04:08,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:04:08,131 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:04:08,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:04:08,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:04:08,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:04:08,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:04:08,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:04:08,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:04:08,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:04:08,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:04:08,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:04:08,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 12:04:08,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:04:08,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:04:08,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:04:08,606 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:04:08,606 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:04:08,607 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2020-09-25 12:04:08,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f42b7d921/1bad2f24a3f5467a988904a7b8f63889/FLAG6e9d0b553 [2020-09-25 12:04:09,369 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:04:09,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2020-09-25 12:04:09,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f42b7d921/1bad2f24a3f5467a988904a7b8f63889/FLAG6e9d0b553 [2020-09-25 12:04:09,637 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f42b7d921/1bad2f24a3f5467a988904a7b8f63889 [2020-09-25 12:04:09,649 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:04:09,654 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:04:09,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:04:09,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:04:09,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:04:09,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:04:09" (1/1) ... [2020-09-25 12:04:09,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fbc03b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:09, skipping insertion in model container [2020-09-25 12:04:09,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:04:09" (1/1) ... [2020-09-25 12:04:09,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:04:09,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:04:10,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:04:10,257 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:04:10,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:04:10,385 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:04:10,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:10 WrapperNode [2020-09-25 12:04:10,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:04:10,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:04:10,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:04:10,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:04:10,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:10" (1/1) ... [2020-09-25 12:04:10,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:10" (1/1) ... [2020-09-25 12:04:10,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:10" (1/1) ... [2020-09-25 12:04:10,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:10" (1/1) ... [2020-09-25 12:04:10,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:10" (1/1) ... [2020-09-25 12:04:10,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:10" (1/1) ... [2020-09-25 12:04:10,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:10" (1/1) ... [2020-09-25 12:04:10,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:04:10,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:04:10,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:04:10,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:04:10,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:04:10,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:04:10,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:04:10,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 12:04:10,575 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 12:04:10,575 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 12:04:10,575 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 12:04:10,575 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 12:04:10,576 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 12:04:10,576 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:04:10,576 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 12:04:10,576 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 12:04:10,576 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 12:04:10,577 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 12:04:10,577 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 12:04:10,577 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 12:04:10,577 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 12:04:10,577 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 12:04:10,578 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 12:04:10,578 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 12:04:10,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 12:04:10,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 12:04:10,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 12:04:10,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 12:04:10,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 12:04:10,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 12:04:10,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-25 12:04:10,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 12:04:10,580 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 12:04:10,580 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 12:04:10,580 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 12:04:10,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 12:04:10,580 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 12:04:10,580 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 12:04:10,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 12:04:10,581 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 12:04:10,581 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 12:04:10,581 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 12:04:10,581 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 12:04:10,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:04:10,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:04:10,582 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 12:04:10,582 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 12:04:10,582 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 12:04:10,582 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 12:04:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 12:04:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 12:04:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 12:04:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 12:04:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 12:04:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 12:04:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 12:04:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 12:04:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 12:04:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 12:04:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:04:10,585 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 12:04:10,585 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 12:04:10,585 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 12:04:10,585 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 12:04:10,585 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 12:04:10,585 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 12:04:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 12:04:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-25 12:04:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 12:04:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 12:04:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 12:04:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 12:04:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:04:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 12:04:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 12:04:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 12:04:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 12:04:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 12:04:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 12:04:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:04:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 12:04:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 12:04:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:04:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 12:04:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 12:04:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:04:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 12:04:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 12:04:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 12:04:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 12:04:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 12:04:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 12:04:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:04:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 12:04:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:04:11,914 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:04:11,914 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 12:04:11,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:04:11 BoogieIcfgContainer [2020-09-25 12:04:11,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:04:11,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:04:11,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:04:11,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:04:11,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:04:09" (1/3) ... [2020-09-25 12:04:11,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540bab52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:04:11, skipping insertion in model container [2020-09-25 12:04:11,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:10" (2/3) ... [2020-09-25 12:04:11,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540bab52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:04:11, skipping insertion in model container [2020-09-25 12:04:11,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:04:11" (3/3) ... [2020-09-25 12:04:11,937 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34.cil.c [2020-09-25 12:04:11,948 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:04:11,960 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:04:11,981 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:04:12,009 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:04:12,009 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:04:12,009 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:04:12,010 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:04:12,010 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:04:12,010 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:04:12,010 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:04:12,010 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:04:12,037 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states. [2020-09-25 12:04:12,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-25 12:04:12,055 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:04:12,056 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:04:12,057 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:04:12,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:04:12,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1309084967, now seen corresponding path program 1 times [2020-09-25 12:04:12,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:04:12,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1566699101] [2020-09-25 12:04:12,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:04:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:12,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:12,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:14,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:17,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:17,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 12:04:17,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:04:17,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-25 12:04:17,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:17,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:17,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 12:04:17,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 12:04:17,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 12:04:17,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 12:04:18,028 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 12:04:18,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:04:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:18,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:18,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:18,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 12:04:18,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:18,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 301 [2020-09-25 12:04:18,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:18,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:18,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:04:18,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:18,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 12:04:18,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:18,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:04:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:18,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:18,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:18,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:04:18,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:18,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 12:04:18,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:18,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:18,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:04:18,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:18,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:04:18,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:18,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 12:04:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:18,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:18,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:18,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:04:18,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:18,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:04:18,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:18,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:18,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:04:18,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:18,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:04:18,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:18,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 12:04:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:18,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:18,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:18,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:18,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:18,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 12:04:18,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:18,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:18,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:04:18,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:18,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:04:18,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:18,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 12:04:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:18,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:18,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:18,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:04:18,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:18,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:04:18,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:18,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:18,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:04:18,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:18,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:04:18,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:18,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 12:04:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:18,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:18,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:18,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:18,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:18,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:04:18,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:18,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:18,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:04:18,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:18,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:04:18,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:18,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 12:04:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:18,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:18,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:18,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:18,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:18,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:04:18,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:18,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:18,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:04:18,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:18,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:04:18,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:18,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-25 12:04:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:18,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:18,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:18,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:18,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:18,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:04:18,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:18,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:18,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:18,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:04:18,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:18,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:18,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:04:18,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1566699101] [2020-09-25 12:04:18,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:04:18,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 12:04:18,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213647633] [2020-09-25 12:04:18,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 12:04:18,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:04:18,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 12:04:18,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 12:04:18,686 INFO L87 Difference]: Start difference. First operand 299 states. Second operand 8 states. [2020-09-25 12:04:19,239 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 12:04:20,663 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 12:04:20,995 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:04:21,415 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 12:04:21,839 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:04:22,153 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 12:04:22,458 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 12:04:22,764 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 12:04:23,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:04:23,914 INFO L93 Difference]: Finished difference Result 590 states and 728 transitions. [2020-09-25 12:04:23,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 12:04:23,923 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2020-09-25 12:04:23,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:04:23,946 INFO L225 Difference]: With dead ends: 590 [2020-09-25 12:04:23,946 INFO L226 Difference]: Without dead ends: 408 [2020-09-25 12:04:23,953 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-25 12:04:23,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2020-09-25 12:04:24,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 364. [2020-09-25 12:04:24,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-09-25 12:04:24,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 409 transitions. [2020-09-25 12:04:24,099 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 409 transitions. Word has length 153 [2020-09-25 12:04:24,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:04:24,103 INFO L479 AbstractCegarLoop]: Abstraction has 364 states and 409 transitions. [2020-09-25 12:04:24,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 12:04:24,103 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 409 transitions. [2020-09-25 12:04:24,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-09-25 12:04:24,120 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:04:24,121 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:04:24,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:04:24,121 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:04:24,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:04:24,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1950272520, now seen corresponding path program 1 times [2020-09-25 12:04:24,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:04:24,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2015961983] [2020-09-25 12:04:24,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:04:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:24,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:24,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:24,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:28,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:29,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:29,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-25 12:04:29,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:04:29,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-09-25 12:04:29,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:29,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:29,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:04:29,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-09-25 12:04:29,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-25 12:04:29,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:29,500 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 12:04:29,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:04:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:29,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:29,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:29,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 12:04:29,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:29,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 12:04:29,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:29,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:29,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:29,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:29,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:29,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:29,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:04:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:29,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:29,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:29,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:04:29,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:29,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:04:29,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:29,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:29,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:29,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:29,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:29,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:29,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 12:04:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:29,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:29,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:29,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:04:29,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:29,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:29,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:29,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:29,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:29,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:29,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:29,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:29,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 12:04:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:29,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:29,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:29,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:29,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:29,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:04:29,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:29,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:29,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:29,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:29,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:29,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:29,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 12:04:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:29,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:29,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:29,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:04:29,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:29,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:29,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:29,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:29,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:29,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:29,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:29,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:29,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 12:04:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:29,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:29,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:29,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:04:29,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:29,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:04:29,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:29,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:29,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:04:29,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:29,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:04:29,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:29,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 12:04:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:29,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:29,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:29,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:29,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:29,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:04:29,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:29,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:29,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:04:29,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:29,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:04:29,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:29,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 12:04:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:29,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:29,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:29,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:29,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:29,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:04:29,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:29,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:29,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:04:29,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:29,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:04:29,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:29,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 12:04:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:29,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:29,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:29,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:29,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:29,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:04:29,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:29,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:04:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:04:29,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:29,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:04:29,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2015961983] [2020-09-25 12:04:29,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:04:29,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 12:04:29,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344455105] [2020-09-25 12:04:29,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 12:04:29,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:04:29,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 12:04:29,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 12:04:29,788 INFO L87 Difference]: Start difference. First operand 364 states and 409 transitions. Second operand 9 states. [2020-09-25 12:04:30,730 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:04:30,976 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:04:31,929 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 12:04:33,475 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-25 12:04:33,803 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:04:34,115 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:04:34,448 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:04:34,780 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:04:35,112 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 12:04:36,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:04:36,046 INFO L93 Difference]: Finished difference Result 864 states and 1059 transitions. [2020-09-25 12:04:36,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 12:04:36,050 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 159 [2020-09-25 12:04:36,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:04:36,054 INFO L225 Difference]: With dead ends: 864 [2020-09-25 12:04:36,054 INFO L226 Difference]: Without dead ends: 352 [2020-09-25 12:04:36,061 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2020-09-25 12:04:36,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2020-09-25 12:04:36,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 328. [2020-09-25 12:04:36,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2020-09-25 12:04:36,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 351 transitions. [2020-09-25 12:04:36,108 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 351 transitions. Word has length 159 [2020-09-25 12:04:36,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:04:36,109 INFO L479 AbstractCegarLoop]: Abstraction has 328 states and 351 transitions. [2020-09-25 12:04:36,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 12:04:36,109 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 351 transitions. [2020-09-25 12:04:36,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-25 12:04:36,111 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:04:36,111 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] [2020-09-25 12:04:36,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:04:36,112 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:04:36,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:04:36,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1665164997, now seen corresponding path program 1 times [2020-09-25 12:04:36,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:04:36,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1199054430] [2020-09-25 12:04:36,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:04:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:36,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:36,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:36,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-09-25 12:04:36,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:36,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 389 [2020-09-25 12:04:36,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:36,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:36,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:04:36,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 12:04:36,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:04:36,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:04:36,816 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 12:04:36,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:04:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:36,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:36,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:36,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 12:04:36,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:36,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-25 12:04:36,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:36,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:36,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:36,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:36,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:36,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:36,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:04:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:36,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:36,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:36,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:04:36,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:36,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:36,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:36,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:36,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:36,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:36,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:36,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:36,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 12:04:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:36,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:36,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:36,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:04:36,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:36,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:04:36,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:36,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:36,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:36,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:36,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:36,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:04:36,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 12:04:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:36,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:36,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:36,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:36,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:36,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:04:36,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:36,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:36,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:36,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:36,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:36,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:36,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 12:04:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:36,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:36,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:36,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:04:36,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:36,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:36,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:36,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:36,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:36,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:36,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:36,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:04:36,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 12:04:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:36,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:36,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:36,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:04:36,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:36,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:04:36,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:36,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:36,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:36,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:36,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:36,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:37,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 12:04:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:37,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:37,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:37,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:04:37,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:37,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:04:37,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:37,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:37,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:04:37,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:37,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 12:04:37,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:37,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 12:04:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:37,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:37,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:37,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:37,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:37,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:37,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:37,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:37,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:37,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:04:37,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:37,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:04:37,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 12:04:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:37,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:37,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:37,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:37,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:37,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:37,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:37,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:37,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:37,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:04:37,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:37,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:04:37,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-25 12:04:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:37,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:37,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:37,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:37,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:37,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:37,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:37,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:37,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:37,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:04:37,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:37,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:37,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:04:37,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1199054430] [2020-09-25 12:04:37,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:04:37,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 12:04:37,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173577818] [2020-09-25 12:04:37,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 12:04:37,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:04:37,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 12:04:37,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 12:04:37,107 INFO L87 Difference]: Start difference. First operand 328 states and 351 transitions. Second operand 6 states. [2020-09-25 12:04:37,776 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 12:04:38,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:04:38,835 INFO L93 Difference]: Finished difference Result 613 states and 692 transitions. [2020-09-25 12:04:38,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 12:04:38,835 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2020-09-25 12:04:38,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:04:38,840 INFO L225 Difference]: With dead ends: 613 [2020-09-25 12:04:38,843 INFO L226 Difference]: Without dead ends: 395 [2020-09-25 12:04:38,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:04:38,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-09-25 12:04:38,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 328. [2020-09-25 12:04:38,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2020-09-25 12:04:38,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 349 transitions. [2020-09-25 12:04:38,919 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 349 transitions. Word has length 172 [2020-09-25 12:04:38,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:04:38,920 INFO L479 AbstractCegarLoop]: Abstraction has 328 states and 349 transitions. [2020-09-25 12:04:38,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 12:04:38,920 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 349 transitions. [2020-09-25 12:04:38,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-25 12:04:38,924 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:04:38,924 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] [2020-09-25 12:04:38,924 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:04:38,924 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:04:38,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:04:38,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1557497677, now seen corresponding path program 1 times [2020-09-25 12:04:38,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:04:38,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1230444322] [2020-09-25 12:04:38,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:04:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:39,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:39,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:39,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:44,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:44,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-09-25 12:04:44,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:04:44,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5058 [2020-09-25 12:04:44,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:44,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:44,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-25 12:04:44,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 12:04:44,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-25 12:04:44,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:44,375 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 12:04:44,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:04:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:44,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:44,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:44,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 12:04:44,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:44,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-09-25 12:04:44,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:44,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:44,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:04:44,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:44,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 12:04:44,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:44,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:04:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:44,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:44,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:44,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:04:44,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:44,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:44,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:44,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:44,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:04:44,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:44,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:04:44,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:44,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 12:04:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:44,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:44,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:44,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:04:44,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:44,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:04:44,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:44,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:44,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:04:44,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:44,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:04:44,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:04:44,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 12:04:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:44,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:44,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:44,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:44,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:44,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:04:44,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:44,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:44,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:04:44,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:44,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:04:44,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:44,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 12:04:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:44,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:44,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:44,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:04:44,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:44,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:44,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:44,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:44,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:04:44,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:44,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:04:44,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:44,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 12:04:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:44,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:44,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:44,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:04:44,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:44,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:04:44,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:44,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:44,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:04:44,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:04:44,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:04:44,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:04:44,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 12:04:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:44,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:44,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:44,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:04:44,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:44,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:04:44,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:44,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:44,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:04:44,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:44,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:04:44,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:44,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 12:04:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:44,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:44,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:44,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:45,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:45,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 12:04:45,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:04:45,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 307 [2020-09-25 12:04:45,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:45,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:45,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:04:45,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-25 12:04:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-25 12:04:45,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:45,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:04:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:45,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:45,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:45,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:45,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:04:45,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:04:45,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 12:04:45,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:45,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:45,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:04:45,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:45,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:04:45,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:45,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:04:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:45,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:45,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:45,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:04:45,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:45,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:04:45,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:45,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:45,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:04:45,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:45,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 12:04:45,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:45,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:04:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:45,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:45,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:45,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:04:45,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:45,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:04:45,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:45,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:45,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:04:45,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:45,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:04:45,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:45,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-25 12:04:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:45,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:45,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:45,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:45,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:45,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:45,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:45,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:45,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:45,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:04:45,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:45,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:04:45,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 12:04:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:45,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:45,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:45,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:45,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:45,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:45,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:45,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:45,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:45,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:04:45,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:45,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:04:45,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-25 12:04:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:45,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:45,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:45,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:45,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:45,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:45,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:45,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:45,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:45,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:04:45,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:45,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:04:45,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:04:45,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1230444322] [2020-09-25 12:04:45,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:04:45,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 12:04:45,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776953356] [2020-09-25 12:04:45,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 12:04:45,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:04:45,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 12:04:45,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:04:45,300 INFO L87 Difference]: Start difference. First operand 328 states and 349 transitions. Second operand 11 states. [2020-09-25 12:04:45,830 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:04:46,411 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 12:04:47,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:04:47,997 INFO L93 Difference]: Finished difference Result 517 states and 584 transitions. [2020-09-25 12:04:47,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 12:04:47,998 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 204 [2020-09-25 12:04:47,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:04:48,002 INFO L225 Difference]: With dead ends: 517 [2020-09-25 12:04:48,002 INFO L226 Difference]: Without dead ends: 393 [2020-09-25 12:04:48,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2020-09-25 12:04:48,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2020-09-25 12:04:48,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 326. [2020-09-25 12:04:48,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-09-25 12:04:48,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 344 transitions. [2020-09-25 12:04:48,041 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 344 transitions. Word has length 204 [2020-09-25 12:04:48,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:04:48,042 INFO L479 AbstractCegarLoop]: Abstraction has 326 states and 344 transitions. [2020-09-25 12:04:48,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 12:04:48,042 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 344 transitions. [2020-09-25 12:04:48,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-25 12:04:48,045 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:04:48,045 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] [2020-09-25 12:04:48,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 12:04:48,046 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:04:48,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:04:48,046 INFO L82 PathProgramCache]: Analyzing trace with hash -321962154, now seen corresponding path program 1 times [2020-09-25 12:04:48,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:04:48,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [152507791] [2020-09-25 12:04:48,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:04:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:48,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:48,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:48,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-09-25 12:04:48,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:48,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 872 [2020-09-25 12:04:48,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:48,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:48,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:04:48,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 185 [2020-09-25 12:04:48,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:04:48,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:49,321 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 12:04:49,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:04:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:49,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:49,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:49,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 12:04:49,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:49,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-25 12:04:49,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:49,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:49,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:49,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:49,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:49,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:49,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:04:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:49,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:49,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:49,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:04:49,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:49,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:49,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:49,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:49,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:49,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:49,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:49,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:04:49,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 12:04:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:49,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:49,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:49,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:04:49,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:49,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:04:49,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:49,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:49,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:49,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:49,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:49,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:49,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 12:04:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:49,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:49,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:49,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:49,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:49,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:04:49,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:49,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:49,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:49,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:49,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:49,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:49,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 12:04:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:49,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:49,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:49,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:04:49,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:49,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:04:49,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:49,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:49,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:49,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:49,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:49,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:04:49,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 12:04:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:49,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:49,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:49,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:04:49,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:49,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:04:49,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:49,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:49,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:49,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:49,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 12:04:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:49,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:49,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:49,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:04:49,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:49,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:49,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:49,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:49,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:49,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:49,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:49,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:04:49,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 12:04:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:49,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:49,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:49,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 12:04:49,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:49,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 12:04:49,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:49,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:49,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:04:49,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 12:04:49,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:04:49,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:49,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:04:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:49,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:49,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:49,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:04:49,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:49,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 12:04:49,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:49,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:49,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:04:49,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:49,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 12:04:49,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:49,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:04:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:49,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:49,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:49,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:04:49,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:49,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:04:49,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:49,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:49,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:49,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:49,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:49,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:49,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:04:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:49,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:49,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:49,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:04:49,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:49,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:49,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:49,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:49,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:49,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 12:04:49,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:49,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:04:49,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-25 12:04:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:49,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:49,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:49,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:49,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:49,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:04:49,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:49,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:49,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:49,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:04:49,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:49,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:04:49,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 12:04:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:49,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:49,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:49,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:49,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:49,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:49,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:49,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:49,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:49,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:04:49,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:49,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:49,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-25 12:04:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:49,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:49,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:49,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:49,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:49,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:49,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:49,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:49,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:49,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:04:49,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:49,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:04:49,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:04:49,800 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [152507791] [2020-09-25 12:04:49,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:04:49,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 12:04:49,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259592494] [2020-09-25 12:04:49,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 12:04:49,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:04:49,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 12:04:49,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:04:49,803 INFO L87 Difference]: Start difference. First operand 326 states and 344 transitions. Second operand 11 states. [2020-09-25 12:04:51,079 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:04:51,399 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:04:51,690 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:04:51,983 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:04:52,284 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:04:52,571 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:04:53,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:04:53,391 INFO L93 Difference]: Finished difference Result 625 states and 695 transitions. [2020-09-25 12:04:53,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 12:04:53,392 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 204 [2020-09-25 12:04:53,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:04:53,395 INFO L225 Difference]: With dead ends: 625 [2020-09-25 12:04:53,395 INFO L226 Difference]: Without dead ends: 391 [2020-09-25 12:04:53,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-25 12:04:53,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2020-09-25 12:04:53,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 324. [2020-09-25 12:04:53,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-09-25 12:04:53,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 340 transitions. [2020-09-25 12:04:53,433 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 340 transitions. Word has length 204 [2020-09-25 12:04:53,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:04:53,434 INFO L479 AbstractCegarLoop]: Abstraction has 324 states and 340 transitions. [2020-09-25 12:04:53,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 12:04:53,434 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 340 transitions. [2020-09-25 12:04:53,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-25 12:04:53,437 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:04:53,437 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] [2020-09-25 12:04:53,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 12:04:53,437 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:04:53,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:04:53,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1295053750, now seen corresponding path program 1 times [2020-09-25 12:04:53,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:04:53,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1012375616] [2020-09-25 12:04:53,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:04:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:53,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:54,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:54,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-09-25 12:04:54,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:54,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 691 [2020-09-25 12:04:54,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:54,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:54,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:04:54,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-09-25 12:04:54,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:04:54,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:04:54,497 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 12:04:54,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:04:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:54,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:54,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:54,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 12:04:54,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:54,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 12:04:54,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:54,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:54,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:54,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:54,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:54,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:54,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:04:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:54,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:54,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:54,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:04:54,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:54,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:54,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:54,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:54,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:54,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:54,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:54,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:54,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 12:04:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:54,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:54,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:54,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:04:54,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:54,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:54,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:54,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:54,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:54,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:54,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:54,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:54,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 12:04:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:54,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:54,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:54,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:54,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:54,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:04:54,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:54,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:54,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:54,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:54,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:54,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:54,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 12:04:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:54,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:54,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:54,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:04:54,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:54,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:54,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:54,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:54,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:54,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:54,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:54,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:54,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 12:04:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:54,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:54,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:54,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:04:54,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:54,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:04:54,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:54,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:54,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:54,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:54,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:54,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:54,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 12:04:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:54,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:54,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:54,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:04:54,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:54,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:04:54,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:54,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:54,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:54,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:54,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:54,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:54,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 12:04:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:54,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:54,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:54,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 12:04:54,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:54,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 12:04:54,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:54,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:54,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:04:54,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 12:04:54,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:04:54,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:54,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:04:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:54,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:54,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:54,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:04:54,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:54,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 12:04:54,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:54,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:54,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:04:54,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 12:04:54,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:04:54,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:54,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:04:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:54,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:54,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:54,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:04:54,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:54,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 12:04:54,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:54,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:54,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:04:54,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:04:54,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:04:54,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:54,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:04:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:54,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:54,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:54,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:04:54,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:54,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:54,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:54,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:54,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:54,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 12:04:54,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:54,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:54,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-25 12:04:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:54,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:54,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:54,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:54,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:54,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:54,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:54,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:54,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:54,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:04:54,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:54,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:54,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 12:04:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:54,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:54,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:54,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:54,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:54,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:54,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:54,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:54,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:54,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:04:54,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:54,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:54,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-25 12:04:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:04:54,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:04:54,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:04:54,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:04:54,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:04:54,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:04:54,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:04:54,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:04:54,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:04:54,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:04:54,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:04:54,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:04:55,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:04:55,039 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1012375616] [2020-09-25 12:04:55,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:04:55,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 12:04:55,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533359790] [2020-09-25 12:04:55,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 12:04:55,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:04:55,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 12:04:55,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:04:55,044 INFO L87 Difference]: Start difference. First operand 324 states and 340 transitions. Second operand 10 states. [2020-09-25 12:04:56,368 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 12:04:56,593 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:04:56,866 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187