/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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:08:20,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:08:20,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:08:21,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:08:21,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:08:21,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:08:21,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:08:21,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:08:21,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:08:21,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:08:21,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:08:21,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:08:21,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:08:21,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:08:21,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:08:21,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:08:21,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:08:21,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:08:21,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:08:21,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:08:21,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:08:21,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:08:21,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:08:21,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:08:21,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:08:21,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:08:21,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:08:21,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:08:21,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:08:21,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:08:21,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:08:21,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:08:21,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:08:21,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:08:21,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:08:21,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:08:21,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:08:21,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:08:21,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:08:21,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:08:21,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:08:21,099 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 [2020-09-21 12:08:21,150 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:08:21,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:08:21,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:08:21,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:08:21,154 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:08:21,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:08:21,154 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:08:21,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:08:21,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:08:21,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:08:21,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:08:21,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:08:21,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:08:21,157 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:08:21,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:08:21,158 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:08:21,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:08:21,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:08:21,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:08:21,159 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:08:21,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:08:21,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:08:21,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:08:21,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:08:21,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:08:21,160 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:08:21,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:08:21,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:08:21,161 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:08:21,161 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.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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:08:21,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:08:21,643 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:08:21,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:08:21,649 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:08:21,650 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:08:21,651 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product07.cil.c [2020-09-21 12:08:21,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6be893b01/4bc549d997744dcfa3da3c3537377af5/FLAG5bdeb51f3 [2020-09-21 12:08:22,322 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:08:22,323 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product07.cil.c [2020-09-21 12:08:22,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6be893b01/4bc549d997744dcfa3da3c3537377af5/FLAG5bdeb51f3 [2020-09-21 12:08:22,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6be893b01/4bc549d997744dcfa3da3c3537377af5 [2020-09-21 12:08:22,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:08:22,631 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:08:22,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:08:22,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:08:22,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:08:22,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:08:22" (1/1) ... [2020-09-21 12:08:22,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ed4b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:22, skipping insertion in model container [2020-09-21 12:08:22,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:08:22" (1/1) ... [2020-09-21 12:08:22,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:08:22,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:08:23,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:08:23,096 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:08:23,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:08:23,326 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:08:23,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:23 WrapperNode [2020-09-21 12:08:23,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:08:23,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:08:23,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:08:23,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:08:23,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:23" (1/1) ... [2020-09-21 12:08:23,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:23" (1/1) ... [2020-09-21 12:08:23,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:23" (1/1) ... [2020-09-21 12:08:23,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:23" (1/1) ... [2020-09-21 12:08:23,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:23" (1/1) ... [2020-09-21 12:08:23,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:23" (1/1) ... [2020-09-21 12:08:23,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:23" (1/1) ... [2020-09-21 12:08:23,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:08:23,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:08:23,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:08:23,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:08:23,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:23" (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 [2020-09-21 12:08:23,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:08:23,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:08:23,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:08:23,517 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:08:23,517 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:08:23,518 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:08:23,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:08:23,518 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:08:23,519 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:08:23,519 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:08:23,519 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:08:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:08:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:08:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:08:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:08:23,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:08:23,521 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:08:23,521 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 12:08:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:08:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:08:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:08:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:08:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:08:23,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:08:23,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:08:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:08:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:08:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:08:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:08:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:08:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:08:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:08:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:08:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:08:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:08:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:08:23,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:08:23,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:08:23,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:08:23,526 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:08:23,526 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:08:23,526 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:08:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:08:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:08:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:08:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:08:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:08:23,529 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:08:23,529 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:08:23,529 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:08:23,529 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:08:23,529 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:08:23,530 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 12:08:23,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:08:23,530 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:08:23,530 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:08:23,531 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:08:23,531 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:08:23,531 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:08:23,531 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:08:23,531 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:08:23,531 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:08:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:08:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:08:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:08:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:08:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:08:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:08:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:08:23,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:08:23,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:08:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:08:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:08:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:08:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:08:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:08:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:08:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:08:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:08:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:08:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:08:23,537 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:08:23,537 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:08:23,537 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:08:23,537 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:08:23,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:08:23,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:08:23,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:08:24,660 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:08:24,660 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:08:24,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:08:24 BoogieIcfgContainer [2020-09-21 12:08:24,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:08:24,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:08:24,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:08:24,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:08:24,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:08:22" (1/3) ... [2020-09-21 12:08:24,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d3325f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:08:24, skipping insertion in model container [2020-09-21 12:08:24,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:23" (2/3) ... [2020-09-21 12:08:24,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d3325f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:08:24, skipping insertion in model container [2020-09-21 12:08:24,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:08:24" (3/3) ... [2020-09-21 12:08:24,677 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product07.cil.c [2020-09-21 12:08:24,689 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:08:24,700 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:08:24,723 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:08:24,756 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:08:24,757 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:08:24,757 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:08:24,757 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:08:24,757 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:08:24,757 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:08:24,758 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:08:24,758 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:08:24,783 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2020-09-21 12:08:24,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:08:24,796 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:24,797 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] [2020-09-21 12:08:24,798 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:24,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:24,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1126769430, now seen corresponding path program 1 times [2020-09-21 12:08:24,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:24,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1859240218] [2020-09-21 12:08:24,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:25,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:25,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:26,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:26,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:08:26,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:26,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1059 [2020-09-21 12:08:26,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:26,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:26,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:08:26,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:26,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:08:26,770 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:26,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:26,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:26,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:26,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:26,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:26,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-21 12:08:26,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:26,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:26,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:26,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:26,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-21 12:08:26,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:26,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:26,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:26,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:26,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:26,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:26,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:26,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:26,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:26,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:26,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:26,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:26,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:26,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:26,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:26,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:26,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:26,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:26,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:26,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:26,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:26,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:26,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:26,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:26,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:26,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:26,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:26,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:26,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:26,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:26,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:26,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:26,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:26,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:26,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:26,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:26,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:26,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:26,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:26,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:26,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:26,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:26,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:26,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:26,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:26,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:26,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:26,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:26,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:26,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:08:26,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:26,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:26,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:26,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:26,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-21 12:08:26,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:08:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:26,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:26,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:26,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:26,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:26,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:26,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:26,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:26,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:26,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:26,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:26,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:08:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:26,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:26,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:26,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:26,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:26,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:26,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:26,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:26,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:26,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:26,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:27,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:27,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1859240218] [2020-09-21 12:08:27,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:27,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:08:27,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876802144] [2020-09-21 12:08:27,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:08:27,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:27,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:08:27,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:08:27,047 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 4 states. [2020-09-21 12:08:28,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:28,141 INFO L93 Difference]: Finished difference Result 251 states and 335 transitions. [2020-09-21 12:08:28,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:08:28,143 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:08:28,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:28,160 INFO L225 Difference]: With dead ends: 251 [2020-09-21 12:08:28,160 INFO L226 Difference]: Without dead ends: 142 [2020-09-21 12:08:28,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:08:28,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-09-21 12:08:28,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 110. [2020-09-21 12:08:28,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-09-21 12:08:28,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 130 transitions. [2020-09-21 12:08:28,266 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 130 transitions. Word has length 51 [2020-09-21 12:08:28,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:28,266 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 130 transitions. [2020-09-21 12:08:28,267 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:08:28,267 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 130 transitions. [2020-09-21 12:08:28,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:08:28,270 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:28,271 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] [2020-09-21 12:08:28,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:08:28,271 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:28,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:28,272 INFO L82 PathProgramCache]: Analyzing trace with hash 305293600, now seen corresponding path program 1 times [2020-09-21 12:08:28,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:28,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [273695034] [2020-09-21 12:08:28,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:28,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:28,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:29,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:29,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:08:29,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:29,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1035 [2020-09-21 12:08:29,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:29,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:29,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:08:29,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:08:29,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:29,672 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:29,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:29,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:29,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:29,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:29,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:29,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 12:08:29,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:29,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:29,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:29,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:29,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:29,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:29,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:29,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:29,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:29,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:29,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:29,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:29,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:29,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:29,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:29,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:29,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:29,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:29,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:29,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:29,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:29,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:29,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:29,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:29,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:29,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:29,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:29,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:29,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:29,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:29,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:29,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:29,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:29,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:29,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:29,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:29,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:29,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:29,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:29,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:29,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:29,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:29,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:29,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:29,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:29,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:29,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:29,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:29,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:29,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:29,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:29,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:29,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:29,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:29,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:29,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:29,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:29,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:29,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:29,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:29,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:08:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:29,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:29,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:29,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:29,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:29,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:29,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:29,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:29,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:29,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:29,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:29,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:08:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:29,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:29,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:29,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:29,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:29,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:29,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:29,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:29,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:29,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:29,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:29,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:29,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [273695034] [2020-09-21 12:08:29,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:29,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:08:29,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920850750] [2020-09-21 12:08:29,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:08:29,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:29,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:08:29,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:08:29,858 INFO L87 Difference]: Start difference. First operand 110 states and 130 transitions. Second operand 5 states. [2020-09-21 12:08:30,511 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:31,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:31,226 INFO L93 Difference]: Finished difference Result 190 states and 238 transitions. [2020-09-21 12:08:31,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:08:31,227 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 12:08:31,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:31,230 INFO L225 Difference]: With dead ends: 190 [2020-09-21 12:08:31,230 INFO L226 Difference]: Without dead ends: 132 [2020-09-21 12:08:31,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:08:31,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-09-21 12:08:31,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 101. [2020-09-21 12:08:31,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-09-21 12:08:31,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 118 transitions. [2020-09-21 12:08:31,269 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 118 transitions. Word has length 52 [2020-09-21 12:08:31,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:31,269 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 118 transitions. [2020-09-21 12:08:31,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:08:31,270 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 118 transitions. [2020-09-21 12:08:31,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-21 12:08:31,272 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:31,272 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:08:31,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:08:31,273 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:31,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:31,273 INFO L82 PathProgramCache]: Analyzing trace with hash -13017803, now seen corresponding path program 1 times [2020-09-21 12:08:31,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:31,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [411818273] [2020-09-21 12:08:31,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:31,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:31,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 12:08:32,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:32,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1019 [2020-09-21 12:08:32,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:08:32,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:32,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 12:08:32,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:32,708 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:32,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:32,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-09-21 12:08:32,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:32,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:32,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:08:32,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:32,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:32,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:32,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:32,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:32,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:32,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:32,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:32,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:08:32,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:32,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:32,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:32,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:32,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:32,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:08:32,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:32,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:32,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:32,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:32,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:32,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:32,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:32,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:32,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:32,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:32,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:32,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:32,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:32,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:32,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:32,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:32,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 12:08:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:33,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:33,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:33,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:33,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:33,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:33,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:33,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:33,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:33,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:33,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:08:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:33,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:33,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:33,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:33,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:33,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:33,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:33,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:33,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:33,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:33,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:33,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:33,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [411818273] [2020-09-21 12:08:33,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:33,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:08:33,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819676322] [2020-09-21 12:08:33,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:08:33,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:33,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:08:33,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:08:33,030 INFO L87 Difference]: Start difference. First operand 101 states and 118 transitions. Second operand 5 states. [2020-09-21 12:08:33,409 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:08:34,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:34,804 INFO L93 Difference]: Finished difference Result 287 states and 366 transitions. [2020-09-21 12:08:34,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:08:34,805 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-09-21 12:08:34,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:34,811 INFO L225 Difference]: With dead ends: 287 [2020-09-21 12:08:34,812 INFO L226 Difference]: Without dead ends: 214 [2020-09-21 12:08:34,814 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:08:34,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-09-21 12:08:34,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 168. [2020-09-21 12:08:34,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-09-21 12:08:34,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 203 transitions. [2020-09-21 12:08:34,870 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 203 transitions. Word has length 56 [2020-09-21 12:08:34,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:34,870 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 203 transitions. [2020-09-21 12:08:34,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:08:34,871 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 203 transitions. [2020-09-21 12:08:34,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 12:08:34,873 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:34,873 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] [2020-09-21 12:08:34,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:08:34,873 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:34,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:34,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1884102266, now seen corresponding path program 1 times [2020-09-21 12:08:34,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:34,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1794857836] [2020-09-21 12:08:34,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:34,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:35,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:35,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:35,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-21 12:08:35,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:35,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1012 [2020-09-21 12:08:35,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:35,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:08:35,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-09-21 12:08:35,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 12:08:35,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:36,313 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:36,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:36,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:36,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:36,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:36,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:36,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 12:08:36,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:36,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:36,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:36,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:36,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:36,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:36,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:36,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:36,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:36,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:36,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:36,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:36,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:36,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:36,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:36,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:36,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:36,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:36,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:36,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:36,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:36,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:36,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:36,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:36,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:36,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:36,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:36,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:36,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:36,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:36,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:36,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:36,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:36,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:36,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:36,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:36,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:36,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:36,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:36,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:36,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:36,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:36,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:36,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:36,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:36,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:36,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:36,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:36,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:36,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:36,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:36,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:36,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:36,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:36,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:36,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:36,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:36,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:36,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:36,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:36,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:08:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:36,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:36,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:36,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:08:36,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:36,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:08:36,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:36,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:36,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:36,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:08:36,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:36,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:08:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:36,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:36,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:36,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:36,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:36,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:08:36,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:36,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:36,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:36,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:36,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:36,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 12:08:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:36,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:36,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:36,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:36,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:36,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:08:36,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:36,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:08:36,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:36,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:36,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:36,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:36,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1794857836] [2020-09-21 12:08:36,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:36,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:08:36,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294366856] [2020-09-21 12:08:36,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:08:36,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:36,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:08:36,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:08:36,539 INFO L87 Difference]: Start difference. First operand 168 states and 203 transitions. Second operand 9 states. [2020-09-21 12:08:37,018 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:38,143 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:38,502 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:08:38,835 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 12:08:39,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:39,159 INFO L93 Difference]: Finished difference Result 297 states and 385 transitions. [2020-09-21 12:08:39,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 12:08:39,160 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-09-21 12:08:39,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:39,162 INFO L225 Difference]: With dead ends: 297 [2020-09-21 12:08:39,163 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:08:39,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-09-21 12:08:39,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:08:39,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:08:39,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:08:39,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:08:39,171 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2020-09-21 12:08:39,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:39,171 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:08:39,171 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:08:39,171 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:08:39,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:08:39,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:08:39,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:08:39,430 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:39,607 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:39,743 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-21 12:08:39,939 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:40,070 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-21 12:08:40,259 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:40,433 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:40,606 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:40,778 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:40,900 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 7 [2020-09-21 12:08:41,051 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:41,207 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:41,365 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:41,537 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:41,700 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:41,857 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:42,018 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:42,176 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:42,333 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:42,499 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:42,659 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:42,817 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:42,971 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:43,129 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:43,396 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2020-09-21 12:08:43,673 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-21 12:08:43,952 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-21 12:08:44,225 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-21 12:08:44,477 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2020-09-21 12:08:44,638 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:44,796 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:44,950 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:45,111 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:45,269 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:45,383 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 7 [2020-09-21 12:08:45,551 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:45,711 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:45,868 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:46,036 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:46,188 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:46,347 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:46,500 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:46,768 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2020-09-21 12:08:47,042 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-21 12:08:47,317 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-21 12:08:47,590 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-21 12:08:47,841 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2020-09-21 12:08:48,000 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:48,106 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 7 [2020-09-21 12:08:48,266 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:48,424 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:48,590 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:48,748 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:48,912 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:49,072 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:49,232 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:49,387 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:49,567 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:49,719 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:49,883 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:50,035 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:50,444 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 9 [2020-09-21 12:08:50,685 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:08:50,921 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 12:08:51,229 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:08:51,514 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:51,955 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2020-09-21 12:08:52,166 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 12:08:52,571 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-21 12:08:53,049 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2020-09-21 12:08:53,464 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-21 12:08:53,731 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:08:53,958 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:08:54,198 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:08:54,408 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 14 [2020-09-21 12:08:54,641 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:08:55,063 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-21 12:08:55,260 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 12:08:55,731 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2020-09-21 12:08:55,976 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:08:56,233 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:08:56,554 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 9 [2020-09-21 12:08:56,971 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 13 [2020-09-21 12:08:57,406 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-21 12:08:57,814 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-21 12:08:57,819 INFO L268 CegarLoopResult]: For program point L479(lines 479 483) no Hoare annotation was computed. [2020-09-21 12:08:57,819 INFO L268 CegarLoopResult]: For program point L479-1(lines 479 483) no Hoare annotation was computed. [2020-09-21 12:08:57,819 INFO L268 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-09-21 12:08:57,819 INFO L268 CegarLoopResult]: For program point L473-2(lines 473 494) no Hoare annotation was computed. [2020-09-21 12:08:57,819 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 448 503) no Hoare annotation was computed. [2020-09-21 12:08:57,819 INFO L268 CegarLoopResult]: For program point L495(lines 472 496) no Hoare annotation was computed. [2020-09-21 12:08:57,819 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 448 503) no Hoare annotation was computed. [2020-09-21 12:08:57,819 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 448 503) no Hoare annotation was computed. [2020-09-21 12:08:57,820 INFO L268 CegarLoopResult]: For program point L536(lines 536 540) no Hoare annotation was computed. [2020-09-21 12:08:57,820 INFO L268 CegarLoopResult]: For program point L536-1(lines 536 540) no Hoare annotation was computed. [2020-09-21 12:08:57,820 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 504 563) no Hoare annotation was computed. [2020-09-21 12:08:57,820 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-09-21 12:08:57,820 INFO L268 CegarLoopResult]: For program point L530-2(lines 530 555) no Hoare annotation was computed. [2020-09-21 12:08:57,820 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 504 563) no Hoare annotation was computed. [2020-09-21 12:08:57,820 INFO L268 CegarLoopResult]: For program point L556(lines 529 557) no Hoare annotation was computed. [2020-09-21 12:08:57,821 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 504 563) no Hoare annotation was computed. [2020-09-21 12:08:57,821 INFO L268 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-09-21 12:08:57,821 INFO L268 CegarLoopResult]: For program point L549-1(line 549) no Hoare annotation was computed. [2020-09-21 12:08:57,821 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 370 376) the Hoare annotation is: true [2020-09-21 12:08:57,821 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 370 376) no Hoare annotation was computed. [2020-09-21 12:08:57,821 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 377 385) no Hoare annotation was computed. [2020-09-21 12:08:57,822 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 377 385) the Hoare annotation is: true [2020-09-21 12:08:57,822 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 377 385) no Hoare annotation was computed. [2020-09-21 12:08:57,822 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 836 858) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:08:57,822 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2020-09-21 12:08:57,822 INFO L264 CegarLoopResult]: At program point L848(line 848) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:08:57,822 INFO L264 CegarLoopResult]: At program point L848-1(line 848) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:08:57,823 INFO L268 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2020-09-21 12:08:57,823 INFO L268 CegarLoopResult]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2020-09-21 12:08:57,823 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2020-09-21 12:08:57,823 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-09-21 12:08:57,823 INFO L264 CegarLoopResult]: At program point L843(line 843) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:08:57,823 INFO L264 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:08:57,824 INFO L264 CegarLoopResult]: At program point L842-1(line 842) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:08:57,824 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-09-21 12:08:57,824 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-09-21 12:08:57,824 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 793 816) no Hoare annotation was computed. [2020-09-21 12:08:57,824 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-09-21 12:08:57,824 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-09-21 12:08:57,824 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 793 816) no Hoare annotation was computed. [2020-09-21 12:08:57,825 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 793 816) no Hoare annotation was computed. [2020-09-21 12:08:57,825 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-09-21 12:08:57,825 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-09-21 12:08:57,825 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-09-21 12:08:57,825 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-09-21 12:08:57,825 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-09-21 12:08:57,825 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-09-21 12:08:57,826 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-09-21 12:08:57,826 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-09-21 12:08:57,826 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-09-21 12:08:57,826 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-09-21 12:08:57,826 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 265 279) no Hoare annotation was computed. [2020-09-21 12:08:57,826 INFO L264 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:08:57,826 INFO L268 CegarLoopResult]: For program point L269(lines 269 275) no Hoare annotation was computed. [2020-09-21 12:08:57,827 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 265 279) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:08:57,827 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 265 279) no Hoare annotation was computed. [2020-09-21 12:08:57,827 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 220 228) no Hoare annotation was computed. [2020-09-21 12:08:57,827 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 220 228) the Hoare annotation is: true [2020-09-21 12:08:57,827 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 220 228) no Hoare annotation was computed. [2020-09-21 12:08:57,827 INFO L268 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-09-21 12:08:57,827 INFO L268 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-09-21 12:08:57,828 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 229 264) no Hoare annotation was computed. [2020-09-21 12:08:57,828 INFO L268 CegarLoopResult]: For program point L236(lines 236 244) no Hoare annotation was computed. [2020-09-21 12:08:57,828 INFO L268 CegarLoopResult]: For program point L236-2(lines 236 244) no Hoare annotation was computed. [2020-09-21 12:08:57,828 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 229 264) no Hoare annotation was computed. [2020-09-21 12:08:57,828 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-09-21 12:08:57,828 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 229 264) no Hoare annotation was computed. [2020-09-21 12:08:57,828 INFO L268 CegarLoopResult]: For program point L259-1(line 259) no Hoare annotation was computed. [2020-09-21 12:08:57,829 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 363 369) no Hoare annotation was computed. [2020-09-21 12:08:57,829 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 363 369) the Hoare annotation is: true [2020-09-21 12:08:57,829 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 402 447) no Hoare annotation was computed. [2020-09-21 12:08:57,829 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 402 447) no Hoare annotation was computed. [2020-09-21 12:08:57,829 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 402 447) no Hoare annotation was computed. [2020-09-21 12:08:57,829 INFO L268 CegarLoopResult]: For program point L735(lines 735 742) no Hoare annotation was computed. [2020-09-21 12:08:57,829 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 715 760) no Hoare annotation was computed. [2020-09-21 12:08:57,829 INFO L268 CegarLoopResult]: For program point L729(lines 729 749) no Hoare annotation was computed. [2020-09-21 12:08:57,830 INFO L268 CegarLoopResult]: For program point L729-1(lines 729 749) no Hoare annotation was computed. [2020-09-21 12:08:57,830 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 715 760) no Hoare annotation was computed. [2020-09-21 12:08:57,830 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 715 760) no Hoare annotation was computed. [2020-09-21 12:08:57,830 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 825 835) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:08:57,830 INFO L264 CegarLoopResult]: At program point L830(line 830) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:08:57,830 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 825 835) no Hoare annotation was computed. [2020-09-21 12:08:57,831 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 825 835) no Hoare annotation was computed. [2020-09-21 12:08:57,831 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 209 219) the Hoare annotation is: true [2020-09-21 12:08:57,831 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 209 219) no Hoare annotation was computed. [2020-09-21 12:08:57,831 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 209 219) no Hoare annotation was computed. [2020-09-21 12:08:57,831 INFO L271 CegarLoopResult]: At program point L214(line 214) the Hoare annotation is: true [2020-09-21 12:08:57,831 INFO L268 CegarLoopResult]: For program point L214-1(line 214) no Hoare annotation was computed. [2020-09-21 12:08:57,831 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 201 208) the Hoare annotation is: true [2020-09-21 12:08:57,832 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 201 208) no Hoare annotation was computed. [2020-09-21 12:08:57,832 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 201 208) no Hoare annotation was computed. [2020-09-21 12:08:57,832 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-09-21 12:08:57,832 INFO L268 CegarLoopResult]: For program point L187-1(lines 168 192) no Hoare annotation was computed. [2020-09-21 12:08:57,832 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 168 192) no Hoare annotation was computed. [2020-09-21 12:08:57,832 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:08:57,832 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 168 192) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-09-21 12:08:57,833 INFO L264 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:08:57,833 INFO L268 CegarLoopResult]: For program point L176(lines 176 184) no Hoare annotation was computed. [2020-09-21 12:08:57,833 INFO L264 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:08:57,833 INFO L268 CegarLoopResult]: For program point L174-1(line 174) no Hoare annotation was computed. [2020-09-21 12:08:57,833 INFO L268 CegarLoopResult]: For program point L172(lines 172 189) no Hoare annotation was computed. [2020-09-21 12:08:57,833 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 160 166) no Hoare annotation was computed. [2020-09-21 12:08:57,833 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 160 166) the Hoare annotation is: true [2020-09-21 12:08:57,833 INFO L264 CegarLoopResult]: At program point testENTRY(lines 282 347) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:08:57,834 INFO L264 CegarLoopResult]: At program point L314(line 314) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:08:57,834 INFO L268 CegarLoopResult]: For program point L312(lines 312 318) no Hoare annotation was computed. [2020-09-21 12:08:57,834 INFO L268 CegarLoopResult]: For program point L312-1(lines 312 318) no Hoare annotation was computed. [2020-09-21 12:08:57,834 INFO L268 CegarLoopResult]: For program point testFINAL(lines 282 347) no Hoare annotation was computed. [2020-09-21 12:08:57,834 INFO L264 CegarLoopResult]: At program point L337(lines 292 339) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:08:57,834 INFO L264 CegarLoopResult]: At program point L304(line 304) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:08:57,835 INFO L268 CegarLoopResult]: For program point L302(lines 302 308) no Hoare annotation was computed. [2020-09-21 12:08:57,835 INFO L268 CegarLoopResult]: For program point L302-1(lines 302 308) no Hoare annotation was computed. [2020-09-21 12:08:57,835 INFO L268 CegarLoopResult]: For program point L294(lines 294 298) no Hoare annotation was computed. [2020-09-21 12:08:57,835 INFO L264 CegarLoopResult]: At program point L340(lines 291 341) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:08:57,835 INFO L264 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:08:57,835 INFO L268 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2020-09-21 12:08:57,835 INFO L264 CegarLoopResult]: At program point L328-1(lines 322 335) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:08:57,836 INFO L268 CegarLoopResult]: For program point L293(lines 292 339) no Hoare annotation was computed. [2020-09-21 12:08:57,836 INFO L268 CegarLoopResult]: For program point testEXIT(lines 282 347) no Hoare annotation was computed. [2020-09-21 12:08:57,836 INFO L268 CegarLoopResult]: For program point L322(lines 322 335) no Hoare annotation was computed. [2020-09-21 12:08:57,836 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 669 714) no Hoare annotation was computed. [2020-09-21 12:08:57,836 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 669 714) no Hoare annotation was computed. [2020-09-21 12:08:57,836 INFO L268 CegarLoopResult]: For program point L689(lines 689 696) no Hoare annotation was computed. [2020-09-21 12:08:57,836 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 669 714) no Hoare annotation was computed. [2020-09-21 12:08:57,836 INFO L268 CegarLoopResult]: For program point L683(lines 683 703) no Hoare annotation was computed. [2020-09-21 12:08:57,837 INFO L268 CegarLoopResult]: For program point L683-1(lines 683 703) no Hoare annotation was computed. [2020-09-21 12:08:57,837 INFO L264 CegarLoopResult]: At program point L884(line 884) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:57,837 INFO L268 CegarLoopResult]: For program point L882(lines 882 888) no Hoare annotation was computed. [2020-09-21 12:08:57,837 INFO L268 CegarLoopResult]: For program point L881(lines 881 891) no Hoare annotation was computed. [2020-09-21 12:08:57,837 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 869 897) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:57,837 INFO L264 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:57,837 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-09-21 12:08:57,837 INFO L268 CegarLoopResult]: For program point L877(lines 877 894) no Hoare annotation was computed. [2020-09-21 12:08:57,838 INFO L268 CegarLoopResult]: For program point L877-1(lines 869 897) no Hoare annotation was computed. [2020-09-21 12:08:57,838 INFO L264 CegarLoopResult]: At program point L875(line 875) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:57,838 INFO L268 CegarLoopResult]: For program point L875-1(line 875) no Hoare annotation was computed. [2020-09-21 12:08:57,838 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 869 897) no Hoare annotation was computed. [2020-09-21 12:08:57,838 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-09-21 12:08:57,838 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-09-21 12:08:57,838 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-09-21 12:08:57,839 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-09-21 12:08:57,839 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-09-21 12:08:57,839 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 861 868) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:57,839 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 861 868) no Hoare annotation was computed. [2020-09-21 12:08:57,839 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 861 868) no Hoare annotation was computed. [2020-09-21 12:08:57,839 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 353 362) no Hoare annotation was computed. [2020-09-21 12:08:57,839 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 353 362) no Hoare annotation was computed. [2020-09-21 12:08:57,839 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 353 362) no Hoare annotation was computed. [2020-09-21 12:08:57,840 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 566 668) no Hoare annotation was computed. [2020-09-21 12:08:57,840 INFO L268 CegarLoopResult]: For program point L636(lines 614 637) no Hoare annotation was computed. [2020-09-21 12:08:57,840 INFO L268 CegarLoopResult]: For program point L595(lines 595 611) no Hoare annotation was computed. [2020-09-21 12:08:57,840 INFO L268 CegarLoopResult]: For program point L655(lines 655 662) no Hoare annotation was computed. [2020-09-21 12:08:57,840 INFO L268 CegarLoopResult]: For program point L616(lines 615 635) no Hoare annotation was computed. [2020-09-21 12:08:57,840 INFO L268 CegarLoopResult]: For program point L647(line 647) no Hoare annotation was computed. [2020-09-21 12:08:57,840 INFO L268 CegarLoopResult]: For program point L647-1(line 647) no Hoare annotation was computed. [2020-09-21 12:08:57,840 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 566 668) no Hoare annotation was computed. [2020-09-21 12:08:57,840 INFO L268 CegarLoopResult]: For program point L612(lines 612 653) no Hoare annotation was computed. [2020-09-21 12:08:57,841 INFO L268 CegarLoopResult]: For program point L631(line 631) no Hoare annotation was computed. [2020-09-21 12:08:57,841 INFO L268 CegarLoopResult]: For program point L631-1(line 631) no Hoare annotation was computed. [2020-09-21 12:08:57,841 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 566 668) no Hoare annotation was computed. [2020-09-21 12:08:57,841 INFO L268 CegarLoopResult]: For program point L590(lines 590 594) no Hoare annotation was computed. [2020-09-21 12:08:57,841 INFO L268 CegarLoopResult]: For program point L654(lines 654 665) no Hoare annotation was computed. [2020-09-21 12:08:57,841 INFO L268 CegarLoopResult]: For program point L617(lines 617 621) no Hoare annotation was computed. [2020-09-21 12:08:57,841 INFO L268 CegarLoopResult]: For program point L615-2(lines 615 635) no Hoare annotation was computed. [2020-09-21 12:08:57,841 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:08:57,842 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-09-21 12:08:57,842 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:08:57,842 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 193 200) no Hoare annotation was computed. [2020-09-21 12:08:57,842 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 193 200) no Hoare annotation was computed. [2020-09-21 12:08:57,842 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 193 200) no Hoare annotation was computed. [2020-09-21 12:08:57,842 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2020-09-21 12:08:57,843 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-09-21 12:08:57,843 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-09-21 12:08:57,843 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:08:57,843 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-09-21 12:08:57,843 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-09-21 12:08:57,843 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:08:57,843 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:08:57,843 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:08:57,843 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-09-21 12:08:57,844 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-09-21 12:08:57,844 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-09-21 12:08:57,844 INFO L264 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-09-21 12:08:57,844 INFO L264 CegarLoopResult]: At program point L147(lines 147 153) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-09-21 12:08:57,844 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 136 159) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-09-21 12:08:57,844 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:08:57,844 INFO L268 CegarLoopResult]: For program point L140(lines 139 158) no Hoare annotation was computed. [2020-09-21 12:08:57,844 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 136 159) no Hoare annotation was computed. [2020-09-21 12:08:57,845 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 136 159) no Hoare annotation was computed. [2020-09-21 12:08:57,845 INFO L271 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: true [2020-09-21 12:08:57,845 INFO L268 CegarLoopResult]: For program point L769-1(line 769) no Hoare annotation was computed. [2020-09-21 12:08:57,845 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2020-09-21 12:08:57,845 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 763 792) the Hoare annotation is: true [2020-09-21 12:08:57,845 INFO L271 CegarLoopResult]: At program point L788(lines 763 792) the Hoare annotation is: true [2020-09-21 12:08:57,845 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-09-21 12:08:57,845 INFO L268 CegarLoopResult]: For program point L777(lines 777 781) no Hoare annotation was computed. [2020-09-21 12:08:57,845 INFO L271 CegarLoopResult]: At program point L777-1(lines 777 781) the Hoare annotation is: true [2020-09-21 12:08:57,846 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-09-21 12:08:57,846 INFO L271 CegarLoopResult]: At program point L773-2(lines 773 787) the Hoare annotation is: true [2020-09-21 12:08:57,846 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-09-21 12:08:57,846 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-09-21 12:08:57,846 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-09-21 12:08:57,846 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 817 823) no Hoare annotation was computed. [2020-09-21 12:08:57,846 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 817 823) the Hoare annotation is: true [2020-09-21 12:08:57,846 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:08:57,847 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-09-21 12:08:57,847 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:08:57,847 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:08:57,847 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-09-21 12:08:57,847 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-09-21 12:08:57,847 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:57,847 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 387 394) no Hoare annotation was computed. [2020-09-21 12:08:57,848 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 391) no Hoare annotation was computed. [2020-09-21 12:08:57,848 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 387 394) the Hoare annotation is: true [2020-09-21 12:08:57,848 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 387 394) no Hoare annotation was computed. [2020-09-21 12:08:57,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:08:57 BoogieIcfgContainer [2020-09-21 12:08:57,866 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:08:57,868 INFO L168 Benchmark]: Toolchain (without parser) took 35240.19 ms. Allocated memory was 141.6 MB in the beginning and 606.1 MB in the end (delta: 464.5 MB). Free memory was 102.8 MB in the beginning and 441.1 MB in the end (delta: -338.3 MB). Peak memory consumption was 478.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:57,869 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.4 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-09-21 12:08:57,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.18 ms. Allocated memory was 141.6 MB in the beginning and 205.5 MB in the end (delta: 64.0 MB). Free memory was 101.9 MB in the beginning and 176.2 MB in the end (delta: -74.2 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:57,871 INFO L168 Benchmark]: Boogie Preprocessor took 106.25 ms. Allocated memory is still 205.5 MB. Free memory was 176.2 MB in the beginning and 171.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:57,872 INFO L168 Benchmark]: RCFGBuilder took 1232.41 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 171.4 MB in the beginning and 199.0 MB in the end (delta: -27.6 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:57,873 INFO L168 Benchmark]: TraceAbstraction took 33198.04 ms. Allocated memory was 234.9 MB in the beginning and 606.1 MB in the end (delta: 371.2 MB). Free memory was 197.4 MB in the beginning and 441.1 MB in the end (delta: -243.7 MB). Peak memory consumption was 479.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:57,876 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.4 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 693.18 ms. Allocated memory was 141.6 MB in the beginning and 205.5 MB in the end (delta: 64.0 MB). Free memory was 101.9 MB in the beginning and 176.2 MB in the end (delta: -74.2 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.25 ms. Allocated memory is still 205.5 MB. Free memory was 176.2 MB in the beginning and 171.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1232.41 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 171.4 MB in the beginning and 199.0 MB in the end (delta: -27.6 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 33198.04 ms. Allocated memory was 234.9 MB in the beginning and 606.1 MB in the end (delta: 371.2 MB). Free memory was 197.4 MB in the beginning and 441.1 MB in the end (delta: -243.7 MB). Peak memory consumption was 479.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 391]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 377 SDtfs, 501 SDslu, 250 SDs, 0 SdLazy, 947 SolverSat, 340 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 109 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 238 PreInvPairs, 268 NumberOfFragments, 825 HoareAnnotationTreeSize, 238 FomulaSimplifications, 25675 FormulaSimplificationTreeSizeReduction, 10.8s HoareSimplificationTime, 53 FomulaSimplificationsInter, 8163 FormulaSimplificationTreeSizeReductionInter, 7.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 221 NumberOfCodeBlocks, 221 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 217 ConstructedInterpolants, 0 QuantifiedInterpolants, 61453 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...