/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 07:02:25,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 07:02:25,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 07:02:25,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 07:02:25,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 07:02:25,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 07:02:25,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 07:02:25,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 07:02:25,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 07:02:25,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 07:02:25,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 07:02:25,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 07:02:25,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 07:02:25,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 07:02:25,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 07:02:25,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 07:02:25,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 07:02:25,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 07:02:25,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 07:02:25,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 07:02:25,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 07:02:25,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 07:02:25,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 07:02:25,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 07:02:25,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 07:02:25,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 07:02:25,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 07:02:25,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 07:02:25,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 07:02:25,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 07:02:25,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 07:02:25,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 07:02:25,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 07:02:25,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 07:02:25,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 07:02:25,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 07:02:25,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 07:02:25,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 07:02:25,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 07:02:25,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 07:02:25,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 07:02:26,003 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 07:02:26,046 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 07:02:26,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 07:02:26,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 07:02:26,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 07:02:26,048 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 07:02:26,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 07:02:26,049 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 07:02:26,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 07:02:26,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 07:02:26,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 07:02:26,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 07:02:26,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 07:02:26,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 07:02:26,050 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 07:02:26,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 07:02:26,051 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 07:02:26,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 07:02:26,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 07:02:26,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 07:02:26,051 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 07:02:26,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 07:02:26,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:02:26,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 07:02:26,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 07:02:26,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 07:02:26,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 07:02:26,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 07:02:26,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 07:02:26,054 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 07:02:26,054 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 07:02:26,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 07:02:26,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 07:02:26,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 07:02:26,379 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 07:02:26,380 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 07:02:26,380 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product03.cil.c [2020-10-14 07:02:26,438 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5668c86e/b421921565264f15bbbe9a4111dbf2ab/FLAG5067fba0b [2020-10-14 07:02:26,844 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 07:02:26,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product03.cil.c [2020-10-14 07:02:26,855 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5668c86e/b421921565264f15bbbe9a4111dbf2ab/FLAG5067fba0b [2020-10-14 07:02:27,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5668c86e/b421921565264f15bbbe9a4111dbf2ab [2020-10-14 07:02:27,189 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 07:02:27,190 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 07:02:27,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 07:02:27,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 07:02:27,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 07:02:27,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:02:27" (1/1) ... [2020-10-14 07:02:27,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642df99e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:27, skipping insertion in model container [2020-10-14 07:02:27,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:02:27" (1/1) ... [2020-10-14 07:02:27,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 07:02:27,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 07:02:27,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:02:27,651 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 07:02:27,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:02:27,830 INFO L208 MainTranslator]: Completed translation [2020-10-14 07:02:27,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:27 WrapperNode [2020-10-14 07:02:27,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 07:02:27,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 07:02:27,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 07:02:27,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 07:02:27,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:27" (1/1) ... [2020-10-14 07:02:27,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:27" (1/1) ... [2020-10-14 07:02:27,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:27" (1/1) ... [2020-10-14 07:02:27,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:27" (1/1) ... [2020-10-14 07:02:27,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:27" (1/1) ... [2020-10-14 07:02:27,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:27" (1/1) ... [2020-10-14 07:02:27,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:27" (1/1) ... [2020-10-14 07:02:27,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 07:02:27,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 07:02:27,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 07:02:27,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 07:02:27,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:27" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:02:27,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 07:02:27,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 07:02:27,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 07:02:27,996 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 07:02:27,996 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-14 07:02:27,996 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-14 07:02:27,996 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-14 07:02:27,996 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-14 07:02:27,997 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-14 07:02:27,997 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-14 07:02:27,997 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-14 07:02:27,997 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 07:02:27,997 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-14 07:02:27,997 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-14 07:02:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-14 07:02:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-14 07:02:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-14 07:02:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-14 07:02:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 07:02:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 07:02:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 07:02:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 07:02:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 07:02:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 07:02:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 07:02:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 07:02:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 07:02:28,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 07:02:28,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 07:02:28,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 07:02:28,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 07:02:28,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 07:02:28,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 07:02:28,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-14 07:02:28,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-14 07:02:28,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 07:02:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 07:02:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 07:02:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 07:02:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-14 07:02:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-14 07:02:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-14 07:02:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 07:02:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-14 07:02:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-14 07:02:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-14 07:02:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-14 07:02:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-14 07:02:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-14 07:02:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-14 07:02:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-14 07:02:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 07:02:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-14 07:02:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-14 07:02:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 07:02:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 07:02:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-14 07:02:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 07:02:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 07:02:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 07:02:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 07:02:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 07:02:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 07:02:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-14 07:02:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 07:02:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 07:02:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 07:02:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 07:02:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 07:02:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 07:02:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 07:02:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 07:02:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 07:02:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 07:02:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 07:02:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 07:02:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 07:02:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 07:02:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 07:02:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 07:02:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 07:02:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 07:02:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 07:02:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 07:02:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 07:02:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 07:02:29,029 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 07:02:29,029 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-14 07:02:29,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:02:29 BoogieIcfgContainer [2020-10-14 07:02:29,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 07:02:29,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 07:02:29,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 07:02:29,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 07:02:29,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:02:27" (1/3) ... [2020-10-14 07:02:29,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44b67a64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:02:29, skipping insertion in model container [2020-10-14 07:02:29,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:27" (2/3) ... [2020-10-14 07:02:29,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44b67a64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:02:29, skipping insertion in model container [2020-10-14 07:02:29,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:02:29" (3/3) ... [2020-10-14 07:02:29,042 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product03.cil.c [2020-10-14 07:02:29,052 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 07:02:29,059 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 07:02:29,073 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 07:02:29,097 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 07:02:29,098 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 07:02:29,098 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 07:02:29,098 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 07:02:29,098 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 07:02:29,099 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 07:02:29,099 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 07:02:29,099 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 07:02:29,120 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2020-10-14 07:02:29,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-14 07:02:29,129 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:02:29,130 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] [2020-10-14 07:02:29,131 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:02:29,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:02:29,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1808633818, now seen corresponding path program 1 times [2020-10-14 07:02:29,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:02:29,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1348311135] [2020-10-14 07:02:29,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:02:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:29,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:29,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:30,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:30,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:31,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:31,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:34,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:34,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 07:02:34,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:02:34,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 07:02:34,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:34,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:34,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:34,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-14 07:02:34,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:34,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 07:02:34,720 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:02:34,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:02:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:34,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:34,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:34,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:34,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:34,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 07:02:34,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:34,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:34,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:34,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:34,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:34,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:34,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:02:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:34,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:34,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:34,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:34,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:34,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:02:34,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:34,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:34,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:34,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:34,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:34,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:34,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:02:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:34,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:34,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:34,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:34,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:34,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:02:34,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:34,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:34,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:34,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:34,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:34,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:34,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:02:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:34,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:34,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:34,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:34,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:34,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:34,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:34,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:34,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:34,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:34,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:34,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:34,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:02:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:34,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:34,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:34,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:34,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:34,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:34,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:34,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:34,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:34,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:34,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:34,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:34,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:02:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:34,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:34,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:34,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:34,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:34,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:34,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:34,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:34,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:34,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:34,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:34,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:34,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:02:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:34,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:34,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:34,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:34,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:34,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:02:34,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:34,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:34,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:34,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:02:34,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:34,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:34,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 07:02:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:34,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:34,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:34,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:34,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:34,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:34,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:34,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:34,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:34,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:02:34,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:34,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:34,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:02:34,900 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1348311135] [2020-10-14 07:02:34,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:02:34,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 07:02:34,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233586792] [2020-10-14 07:02:34,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 07:02:34,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:02:34,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 07:02:34,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 07:02:34,925 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 4 states. [2020-10-14 07:02:35,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:02:35,832 INFO L93 Difference]: Finished difference Result 219 states and 292 transitions. [2020-10-14 07:02:35,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 07:02:35,834 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-10-14 07:02:35,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:02:35,848 INFO L225 Difference]: With dead ends: 219 [2020-10-14 07:02:35,848 INFO L226 Difference]: Without dead ends: 125 [2020-10-14 07:02:35,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 07:02:35,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-14 07:02:35,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 95. [2020-10-14 07:02:35,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-14 07:02:35,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2020-10-14 07:02:35,928 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 51 [2020-10-14 07:02:35,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:02:35,929 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2020-10-14 07:02:35,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 07:02:35,930 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2020-10-14 07:02:35,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-14 07:02:35,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:02:35,936 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] [2020-10-14 07:02:35,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 07:02:35,938 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:02:35,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:02:35,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1285910176, now seen corresponding path program 1 times [2020-10-14 07:02:35,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:02:35,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [258146055] [2020-10-14 07:02:35,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:02:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:35,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:36,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:36,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:37,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:37,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:38,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:40,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:40,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 07:02:40,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:02:40,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 07:02:40,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:40,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:40,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:40,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 07:02:40,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:02:40,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:41,460 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:02:41,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:02:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:41,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:41,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:41,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:41,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:41,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 07:02:41,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:41,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:41,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:41,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:41,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:41,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:41,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:02:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:41,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:41,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:41,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:41,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:41,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:41,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:41,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:41,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:41,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:41,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:41,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:41,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:02:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:41,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:41,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:41,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:41,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:41,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:41,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:41,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:41,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:41,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:41,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:41,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:41,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:02:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:41,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:41,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:41,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:41,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:41,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:02:41,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:41,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:41,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:41,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:41,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:41,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:41,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:02:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:41,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:41,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:41,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:41,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:41,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:41,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:41,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:41,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:41,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:02:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:41,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:41,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:41,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:41,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:41,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:41,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:41,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:41,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:41,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:41,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:41,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:41,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:02:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:41,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:41,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:41,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:41,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:41,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:41,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:41,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:41,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:41,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:02:41,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:41,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:02:41,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 07:02:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:41,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:41,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:41,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:41,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:41,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:41,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:41,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:41,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:41,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:02:41,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:41,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:41,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:02:41,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [258146055] [2020-10-14 07:02:41,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:02:41,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:02:41,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772159867] [2020-10-14 07:02:41,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:02:41,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:02:41,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:02:41,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:02:41,609 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 5 states. [2020-10-14 07:02:42,161 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:02:42,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:02:42,717 INFO L93 Difference]: Finished difference Result 155 states and 193 transitions. [2020-10-14 07:02:42,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:02:42,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-14 07:02:42,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:02:42,721 INFO L225 Difference]: With dead ends: 155 [2020-10-14 07:02:42,721 INFO L226 Difference]: Without dead ends: 115 [2020-10-14 07:02:42,722 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:02:42,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-14 07:02:42,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 86. [2020-10-14 07:02:42,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-14 07:02:42,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2020-10-14 07:02:42,754 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 52 [2020-10-14 07:02:42,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:02:42,754 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2020-10-14 07:02:42,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:02:42,754 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2020-10-14 07:02:42,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-14 07:02:42,756 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:02:42,756 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] [2020-10-14 07:02:42,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 07:02:42,757 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:02:42,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:02:42,757 INFO L82 PathProgramCache]: Analyzing trace with hash -2002808083, now seen corresponding path program 1 times [2020-10-14 07:02:42,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:02:42,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [70374502] [2020-10-14 07:02:42,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:02:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:42,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:42,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:43,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:43,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:43,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:47,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:47,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 07:02:47,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:02:47,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 07:02:47,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:47,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:47,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:02:47,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-14 07:02:47,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 07:02:47,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:02:48,057 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:02:48,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:02:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:48,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:48,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:48,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:48,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:48,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 07:02:48,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:48,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:48,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:48,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:48,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:48,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:48,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:02:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:48,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:48,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:48,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:48,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:48,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:48,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:48,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:48,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:48,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:48,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:48,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:48,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:02:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:48,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:48,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:48,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:48,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:48,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:02:48,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:48,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:48,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:48,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:48,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:48,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:48,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:02:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:48,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:48,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:48,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:48,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:48,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:02:48,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:48,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:48,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:48,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:48,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:48,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:48,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:02:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:48,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:48,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:48,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:48,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:48,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:02:48,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:48,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:48,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:48,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:48,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:48,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:48,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:02:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:48,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:48,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:48,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:48,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:48,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:48,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:48,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:48,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:48,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:48,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:48,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:48,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 07:02:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:48,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:48,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:48,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:48,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:48,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:48,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:48,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:48,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:48,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:48,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:02:48,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:48,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 07:02:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:48,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:48,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:48,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:48,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:48,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:02:48,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:48,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:48,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:02:48,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:48,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:02:48,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:48,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:02:48,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [70374502] [2020-10-14 07:02:48,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:02:48,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:02:48,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255640053] [2020-10-14 07:02:48,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:02:48,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:02:48,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:02:48,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:02:48,170 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand 8 states. [2020-10-14 07:02:48,562 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:02:49,314 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:02:49,564 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:02:49,808 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:02:49,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:02:49,958 INFO L93 Difference]: Finished difference Result 157 states and 202 transitions. [2020-10-14 07:02:49,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 07:02:49,959 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2020-10-14 07:02:49,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:02:49,960 INFO L225 Difference]: With dead ends: 157 [2020-10-14 07:02:49,960 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 07:02:49,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-14 07:02:49,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 07:02:49,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 07:02:49,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 07:02:49,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 07:02:49,962 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-10-14 07:02:49,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:02:49,963 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 07:02:49,963 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:02:49,963 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 07:02:49,963 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 07:02:49,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 07:02:49,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 07:02:51,406 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-10-14 07:02:51,568 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:02:51,711 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:02:51,848 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-10-14 07:02:52,009 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:02:52,166 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:02:52,312 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:02:52,473 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:02:52,621 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:02:52,841 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:02:53,002 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:02:53,147 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-10-14 07:02:53,302 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:02:53,456 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:02:53,619 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:02:53,770 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:02:53,908 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-10-14 07:02:54,059 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:02:54,197 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:02:54,203 INFO L268 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2020-10-14 07:02:54,203 INFO L268 CegarLoopResult]: For program point L542-1(lines 542 546) no Hoare annotation was computed. [2020-10-14 07:02:54,203 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-14 07:02:54,203 INFO L268 CegarLoopResult]: For program point L536-2(lines 536 557) no Hoare annotation was computed. [2020-10-14 07:02:54,203 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 511 566) no Hoare annotation was computed. [2020-10-14 07:02:54,203 INFO L268 CegarLoopResult]: For program point L558(lines 535 559) no Hoare annotation was computed. [2020-10-14 07:02:54,203 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 511 566) no Hoare annotation was computed. [2020-10-14 07:02:54,203 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 511 566) no Hoare annotation was computed. [2020-10-14 07:02:54,204 INFO L268 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-10-14 07:02:54,204 INFO L268 CegarLoopResult]: For program point L599-1(lines 599 603) no Hoare annotation was computed. [2020-10-14 07:02:54,204 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 567 626) no Hoare annotation was computed. [2020-10-14 07:02:54,204 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-14 07:02:54,204 INFO L268 CegarLoopResult]: For program point L593-2(lines 593 618) no Hoare annotation was computed. [2020-10-14 07:02:54,204 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 567 626) no Hoare annotation was computed. [2020-10-14 07:02:54,204 INFO L268 CegarLoopResult]: For program point L619(lines 592 620) no Hoare annotation was computed. [2020-10-14 07:02:54,204 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 567 626) no Hoare annotation was computed. [2020-10-14 07:02:54,204 INFO L268 CegarLoopResult]: For program point L612(line 612) no Hoare annotation was computed. [2020-10-14 07:02:54,204 INFO L268 CegarLoopResult]: For program point L612-1(line 612) no Hoare annotation was computed. [2020-10-14 07:02:54,205 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 344 350) the Hoare annotation is: true [2020-10-14 07:02:54,205 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 344 350) no Hoare annotation was computed. [2020-10-14 07:02:54,205 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 351 359) no Hoare annotation was computed. [2020-10-14 07:02:54,205 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 351 359) the Hoare annotation is: true [2020-10-14 07:02:54,205 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 351 359) no Hoare annotation was computed. [2020-10-14 07:02:54,206 INFO L264 CegarLoopResult]: At program point L447(line 447) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:02:54,206 INFO L264 CegarLoopResult]: At program point L447-1(line 447) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:02:54,206 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 435 457) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:02:54,207 INFO L268 CegarLoopResult]: For program point L445(lines 445 452) no Hoare annotation was computed. [2020-10-14 07:02:54,207 INFO L268 CegarLoopResult]: For program point L445-1(lines 445 452) no Hoare annotation was computed. [2020-10-14 07:02:54,207 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-10-14 07:02:54,207 INFO L264 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:02:54,207 INFO L264 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:02:54,207 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 435 457) no Hoare annotation was computed. [2020-10-14 07:02:54,207 INFO L264 CegarLoopResult]: At program point L441-1(line 441) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:02:54,208 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 435 457) no Hoare annotation was computed. [2020-10-14 07:02:54,208 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 392 415) no Hoare annotation was computed. [2020-10-14 07:02:54,208 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 392 415) no Hoare annotation was computed. [2020-10-14 07:02:54,208 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 392 415) no Hoare annotation was computed. [2020-10-14 07:02:54,208 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-10-14 07:02:54,208 INFO L268 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-14 07:02:54,208 INFO L268 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-10-14 07:02:54,208 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-10-14 07:02:54,208 INFO L268 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-14 07:02:54,208 INFO L268 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-10-14 07:02:54,209 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-10-14 07:02:54,209 INFO L268 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-14 07:02:54,209 INFO L268 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-10-14 07:02:54,209 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-10-14 07:02:54,209 INFO L268 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-14 07:02:54,209 INFO L268 CegarLoopResult]: For program point L399(line 399) no Hoare annotation was computed. [2020-10-14 07:02:54,209 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-10-14 07:02:54,209 INFO L268 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-14 07:02:54,210 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 156 170) no Hoare annotation was computed. [2020-10-14 07:02:54,210 INFO L268 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2020-10-14 07:02:54,210 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 156 170) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-14 07:02:54,210 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 156 170) no Hoare annotation was computed. [2020-10-14 07:02:54,210 INFO L264 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-14 07:02:54,210 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 111 119) no Hoare annotation was computed. [2020-10-14 07:02:54,210 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 111 119) the Hoare annotation is: true [2020-10-14 07:02:54,210 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 111 119) no Hoare annotation was computed. [2020-10-14 07:02:54,210 INFO L268 CegarLoopResult]: For program point L127(lines 127 135) no Hoare annotation was computed. [2020-10-14 07:02:54,211 INFO L268 CegarLoopResult]: For program point L127-2(lines 127 135) no Hoare annotation was computed. [2020-10-14 07:02:54,211 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-14 07:02:54,211 INFO L268 CegarLoopResult]: For program point L150-1(line 150) no Hoare annotation was computed. [2020-10-14 07:02:54,211 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 120 155) no Hoare annotation was computed. [2020-10-14 07:02:54,211 INFO L268 CegarLoopResult]: For program point L139(lines 139 147) no Hoare annotation was computed. [2020-10-14 07:02:54,211 INFO L268 CegarLoopResult]: For program point L139-2(lines 139 147) no Hoare annotation was computed. [2020-10-14 07:02:54,211 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 120 155) no Hoare annotation was computed. [2020-10-14 07:02:54,211 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 120 155) no Hoare annotation was computed. [2020-10-14 07:02:54,212 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 337 343) no Hoare annotation was computed. [2020-10-14 07:02:54,212 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 337 343) the Hoare annotation is: true [2020-10-14 07:02:54,212 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 465 510) no Hoare annotation was computed. [2020-10-14 07:02:54,212 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 465 510) no Hoare annotation was computed. [2020-10-14 07:02:54,212 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 465 510) no Hoare annotation was computed. [2020-10-14 07:02:54,212 INFO L268 CegarLoopResult]: For program point L798(lines 798 805) no Hoare annotation was computed. [2020-10-14 07:02:54,212 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 778 823) no Hoare annotation was computed. [2020-10-14 07:02:54,212 INFO L268 CegarLoopResult]: For program point L792(lines 792 812) no Hoare annotation was computed. [2020-10-14 07:02:54,213 INFO L268 CegarLoopResult]: For program point L792-1(lines 792 812) no Hoare annotation was computed. [2020-10-14 07:02:54,213 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 778 823) no Hoare annotation was computed. [2020-10-14 07:02:54,213 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 778 823) no Hoare annotation was computed. [2020-10-14 07:02:54,213 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 424 434) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:02:54,213 INFO L264 CegarLoopResult]: At program point L429(line 429) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-14 07:02:54,213 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 424 434) no Hoare annotation was computed. [2020-10-14 07:02:54,213 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 424 434) no Hoare annotation was computed. [2020-10-14 07:02:54,214 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 100 110) no Hoare annotation was computed. [2020-10-14 07:02:54,214 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 100 110) no Hoare annotation was computed. [2020-10-14 07:02:54,214 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-14 07:02:54,214 INFO L268 CegarLoopResult]: For program point L105-1(line 105) no Hoare annotation was computed. [2020-10-14 07:02:54,214 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 100 110) no Hoare annotation was computed. [2020-10-14 07:02:54,214 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 92 99) the Hoare annotation is: true [2020-10-14 07:02:54,214 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 92 99) no Hoare annotation was computed. [2020-10-14 07:02:54,214 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 92 99) no Hoare annotation was computed. [2020-10-14 07:02:54,215 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 77 83) no Hoare annotation was computed. [2020-10-14 07:02:54,215 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 77 83) the Hoare annotation is: true [2020-10-14 07:02:54,215 INFO L264 CegarLoopResult]: At program point testENTRY(lines 175 240) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:02:54,215 INFO L264 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-14 07:02:54,215 INFO L268 CegarLoopResult]: For program point L221(lines 221 227) no Hoare annotation was computed. [2020-10-14 07:02:54,215 INFO L264 CegarLoopResult]: At program point L221-1(lines 215 228) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-14 07:02:54,215 INFO L268 CegarLoopResult]: For program point L186(lines 185 232) no Hoare annotation was computed. [2020-10-14 07:02:54,216 INFO L268 CegarLoopResult]: For program point L215(lines 215 228) no Hoare annotation was computed. [2020-10-14 07:02:54,216 INFO L268 CegarLoopResult]: For program point testFINAL(lines 175 240) no Hoare annotation was computed. [2020-10-14 07:02:54,216 INFO L264 CegarLoopResult]: At program point L207(line 207) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-14 07:02:54,216 INFO L268 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-10-14 07:02:54,216 INFO L268 CegarLoopResult]: For program point L205-1(lines 205 211) no Hoare annotation was computed. [2020-10-14 07:02:54,216 INFO L264 CegarLoopResult]: At program point L230(lines 185 232) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-14 07:02:54,216 INFO L264 CegarLoopResult]: At program point L197(line 197) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-14 07:02:54,217 INFO L268 CegarLoopResult]: For program point L195(lines 195 201) no Hoare annotation was computed. [2020-10-14 07:02:54,217 INFO L268 CegarLoopResult]: For program point L195-1(lines 195 201) no Hoare annotation was computed. [2020-10-14 07:02:54,217 INFO L268 CegarLoopResult]: For program point L187(lines 187 191) no Hoare annotation was computed. [2020-10-14 07:02:54,217 INFO L264 CegarLoopResult]: At program point L233(lines 184 234) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-14 07:02:54,217 INFO L268 CegarLoopResult]: For program point testEXIT(lines 175 240) no Hoare annotation was computed. [2020-10-14 07:02:54,217 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 732 777) no Hoare annotation was computed. [2020-10-14 07:02:54,217 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 732 777) no Hoare annotation was computed. [2020-10-14 07:02:54,218 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 732 777) no Hoare annotation was computed. [2020-10-14 07:02:54,218 INFO L268 CegarLoopResult]: For program point L752(lines 752 759) no Hoare annotation was computed. [2020-10-14 07:02:54,218 INFO L268 CegarLoopResult]: For program point L746(lines 746 766) no Hoare annotation was computed. [2020-10-14 07:02:54,218 INFO L268 CegarLoopResult]: For program point L746-1(lines 746 766) no Hoare annotation was computed. [2020-10-14 07:02:54,218 INFO L264 CegarLoopResult]: At program point L850(line 850) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-14 07:02:54,218 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 835 863) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:02:54,218 INFO L268 CegarLoopResult]: For program point L848(lines 848 854) no Hoare annotation was computed. [2020-10-14 07:02:54,218 INFO L268 CegarLoopResult]: For program point L847(lines 847 857) no Hoare annotation was computed. [2020-10-14 07:02:54,219 INFO L264 CegarLoopResult]: At program point L845(line 845) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:02:54,219 INFO L268 CegarLoopResult]: For program point L845-1(line 845) no Hoare annotation was computed. [2020-10-14 07:02:54,219 INFO L268 CegarLoopResult]: For program point L843(lines 843 860) no Hoare annotation was computed. [2020-10-14 07:02:54,219 INFO L268 CegarLoopResult]: For program point L843-1(lines 835 863) no Hoare annotation was computed. [2020-10-14 07:02:54,219 INFO L264 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:02:54,219 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-10-14 07:02:54,219 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 835 863) no Hoare annotation was computed. [2020-10-14 07:02:54,220 INFO L268 CegarLoopResult]: For program point L298(lines 298 306) no Hoare annotation was computed. [2020-10-14 07:02:54,220 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 290 312) no Hoare annotation was computed. [2020-10-14 07:02:54,220 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 306) no Hoare annotation was computed. [2020-10-14 07:02:54,220 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 290 312) no Hoare annotation was computed. [2020-10-14 07:02:54,220 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 290 312) no Hoare annotation was computed. [2020-10-14 07:02:54,220 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 827 834) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:02:54,220 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 827 834) no Hoare annotation was computed. [2020-10-14 07:02:54,220 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 827 834) no Hoare annotation was computed. [2020-10-14 07:02:54,221 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 327 336) no Hoare annotation was computed. [2020-10-14 07:02:54,221 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 327 336) no Hoare annotation was computed. [2020-10-14 07:02:54,221 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 327 336) no Hoare annotation was computed. [2020-10-14 07:02:54,221 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 629 731) no Hoare annotation was computed. [2020-10-14 07:02:54,221 INFO L268 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-10-14 07:02:54,221 INFO L268 CegarLoopResult]: For program point L694-1(line 694) no Hoare annotation was computed. [2020-10-14 07:02:54,221 INFO L268 CegarLoopResult]: For program point L653(lines 653 657) no Hoare annotation was computed. [2020-10-14 07:02:54,221 INFO L268 CegarLoopResult]: For program point L717(lines 717 728) no Hoare annotation was computed. [2020-10-14 07:02:54,221 INFO L268 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-10-14 07:02:54,222 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 629 731) no Hoare annotation was computed. [2020-10-14 07:02:54,222 INFO L268 CegarLoopResult]: For program point L678-2(lines 678 698) no Hoare annotation was computed. [2020-10-14 07:02:54,222 INFO L268 CegarLoopResult]: For program point L699(lines 677 700) no Hoare annotation was computed. [2020-10-14 07:02:54,222 INFO L268 CegarLoopResult]: For program point L658(lines 658 674) no Hoare annotation was computed. [2020-10-14 07:02:54,222 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 629 731) no Hoare annotation was computed. [2020-10-14 07:02:54,222 INFO L268 CegarLoopResult]: For program point L718(lines 718 725) no Hoare annotation was computed. [2020-10-14 07:02:54,222 INFO L268 CegarLoopResult]: For program point L679(lines 678 698) no Hoare annotation was computed. [2020-10-14 07:02:54,222 INFO L268 CegarLoopResult]: For program point L710(line 710) no Hoare annotation was computed. [2020-10-14 07:02:54,223 INFO L268 CegarLoopResult]: For program point L710-1(line 710) no Hoare annotation was computed. [2020-10-14 07:02:54,223 INFO L268 CegarLoopResult]: For program point L675(lines 675 716) no Hoare annotation was computed. [2020-10-14 07:02:54,223 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:02:54,223 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#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~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-14 07:02:54,223 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:02:54,223 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 84 91) no Hoare annotation was computed. [2020-10-14 07:02:54,224 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 84 91) no Hoare annotation was computed. [2020-10-14 07:02:54,224 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 84 91) no Hoare annotation was computed. [2020-10-14 07:02:54,224 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 313 321) no Hoare annotation was computed. [2020-10-14 07:02:54,224 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 313 321) no Hoare annotation was computed. [2020-10-14 07:02:54,224 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 313 321) no Hoare annotation was computed. [2020-10-14 07:02:54,224 INFO L268 CegarLoopResult]: For program point L273-1(lines 269 280) no Hoare annotation was computed. [2020-10-14 07:02:54,224 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 269 280) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-14 07:02:54,224 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 269 280) no Hoare annotation was computed. [2020-10-14 07:02:54,224 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:02:54,225 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-14 07:02:54,225 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:02:54,225 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 281 289) the Hoare annotation is: true [2020-10-14 07:02:54,225 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 281 289) no Hoare annotation was computed. [2020-10-14 07:02:54,225 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 281 289) no Hoare annotation was computed. [2020-10-14 07:02:54,225 INFO L264 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:54,225 INFO L264 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-14 07:02:54,225 INFO L268 CegarLoopResult]: For program point L57(lines 56 75) no Hoare annotation was computed. [2020-10-14 07:02:54,226 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-10-14 07:02:54,226 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2020-10-14 07:02:54,226 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2020-10-14 07:02:54,226 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:54,226 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 362 391) no Hoare annotation was computed. [2020-10-14 07:02:54,226 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-10-14 07:02:54,226 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 362 391) the Hoare annotation is: true [2020-10-14 07:02:54,227 INFO L268 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-10-14 07:02:54,227 INFO L271 CegarLoopResult]: At program point L376-1(lines 376 380) the Hoare annotation is: true [2020-10-14 07:02:54,227 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-10-14 07:02:54,227 INFO L271 CegarLoopResult]: At program point L372-2(lines 372 386) the Hoare annotation is: true [2020-10-14 07:02:54,227 INFO L271 CegarLoopResult]: At program point L368(line 368) the Hoare annotation is: true [2020-10-14 07:02:54,227 INFO L268 CegarLoopResult]: For program point L368-1(line 368) no Hoare annotation was computed. [2020-10-14 07:02:54,227 INFO L271 CegarLoopResult]: At program point L387(lines 362 391) the Hoare annotation is: true [2020-10-14 07:02:54,227 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 245 256) the Hoare annotation is: true [2020-10-14 07:02:54,228 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 245 256) no Hoare annotation was computed. [2020-10-14 07:02:54,228 INFO L268 CegarLoopResult]: For program point L249-1(lines 245 256) no Hoare annotation was computed. [2020-10-14 07:02:54,228 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 416 422) no Hoare annotation was computed. [2020-10-14 07:02:54,228 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 416 422) the Hoare annotation is: true [2020-10-14 07:02:54,228 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:02:54,228 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~pumpRunning~0 0) [2020-10-14 07:02:54,228 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 07:02:54,228 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:02:54,228 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 257 268) no Hoare annotation was computed. [2020-10-14 07:02:54,229 INFO L268 CegarLoopResult]: For program point L261-1(lines 257 268) no Hoare annotation was computed. [2020-10-14 07:02:54,229 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 257 268) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:54,229 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 865 872) no Hoare annotation was computed. [2020-10-14 07:02:54,229 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 869) no Hoare annotation was computed. [2020-10-14 07:02:54,229 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 865 872) the Hoare annotation is: true [2020-10-14 07:02:54,229 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 865 872) no Hoare annotation was computed. [2020-10-14 07:02:54,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:02:54 BoogieIcfgContainer [2020-10-14 07:02:54,253 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 07:02:54,255 INFO L168 Benchmark]: Toolchain (without parser) took 27064.35 ms. Allocated memory was 147.8 MB in the beginning and 649.1 MB in the end (delta: 501.2 MB). Free memory was 103.3 MB in the beginning and 503.2 MB in the end (delta: -399.9 MB). Peak memory consumption was 487.9 MB. Max. memory is 7.1 GB. [2020-10-14 07:02:54,257 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-14 07:02:54,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.48 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 102.9 MB in the beginning and 175.4 MB in the end (delta: -72.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2020-10-14 07:02:54,268 INFO L168 Benchmark]: Boogie Preprocessor took 84.61 ms. Allocated memory is still 205.0 MB. Free memory was 175.4 MB in the beginning and 171.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-14 07:02:54,271 INFO L168 Benchmark]: RCFGBuilder took 1117.28 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 171.4 MB in the beginning and 200.5 MB in the end (delta: -29.2 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2020-10-14 07:02:54,272 INFO L168 Benchmark]: TraceAbstraction took 25217.54 ms. Allocated memory was 234.9 MB in the beginning and 649.1 MB in the end (delta: 414.2 MB). Free memory was 200.5 MB in the beginning and 503.2 MB in the end (delta: -302.7 MB). Peak memory consumption was 498.1 MB. Max. memory is 7.1 GB. [2020-10-14 07:02:54,276 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 640.48 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 102.9 MB in the beginning and 175.4 MB in the end (delta: -72.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.61 ms. Allocated memory is still 205.0 MB. Free memory was 175.4 MB in the beginning and 171.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1117.28 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 171.4 MB in the beginning and 200.5 MB in the end (delta: -29.2 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25217.54 ms. Allocated memory was 234.9 MB in the beginning and 649.1 MB in the end (delta: 414.2 MB). Free memory was 200.5 MB in the beginning and 503.2 MB in the end (delta: -302.7 MB). Peak memory consumption was 498.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 869]: 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: 185]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 205 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 236 SDtfs, 284 SDslu, 170 SDs, 0 SdLazy, 566 SolverSat, 173 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 59 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 124 PreInvPairs, 144 NumberOfFragments, 554 HoareAnnotationTreeSize, 124 FomulaSimplifications, 6990 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 46 FomulaSimplificationsInter, 4604 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 16.5s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 38868 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...