/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=NARROWEST --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_spec5_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:49:35,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:49:35,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:49:35,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:49:35,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:49:35,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:49:35,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:49:35,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:49:35,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:49:35,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:49:35,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:49:35,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:49:35,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:49:35,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:49:35,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:49:35,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:49:35,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:49:35,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:49:35,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:49:35,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:49:35,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:49:35,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:49:35,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:49:35,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:49:35,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:49:35,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:49:35,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:49:35,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:49:35,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:49:35,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:49:35,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:49:35,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:49:35,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:49:35,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:49:35,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:49:35,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:49:35,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:49:35,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:49:35,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:49:35,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:49:35,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:49:35,209 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 [2020-10-13 12:49:35,230 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:49:35,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:49:35,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:49:35,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:49:35,232 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:49:35,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:49:35,233 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:49:35,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:49:35,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:49:35,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:49:35,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:49:35,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:49:35,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:49:35,234 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:49:35,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:49:35,234 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:49:35,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:49:35,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:49:35,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:49:35,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:49:35,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:49:35,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:49:35,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:49:35,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:49:35,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:49:35,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:49:35,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:49:35,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:49:35,237 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:49:35,237 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:49:35,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:49:35,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:49:35,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:49:35,614 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:49:35,614 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:49:35,615 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c [2020-10-13 12:49:35,670 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6bb31c20/024641e77ae44da4bf675d0d110e222f/FLAGbf3a1a14c [2020-10-13 12:49:36,192 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:49:36,193 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c [2020-10-13 12:49:36,218 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6bb31c20/024641e77ae44da4bf675d0d110e222f/FLAGbf3a1a14c [2020-10-13 12:49:36,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6bb31c20/024641e77ae44da4bf675d0d110e222f [2020-10-13 12:49:36,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:49:36,472 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:49:36,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:49:36,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:49:36,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:49:36,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:49:36" (1/1) ... [2020-10-13 12:49:36,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23cd986b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:36, skipping insertion in model container [2020-10-13 12:49:36,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:49:36" (1/1) ... [2020-10-13 12:49:36,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:49:36,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:49:37,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:49:37,084 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:49:37,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:49:37,194 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:49:37,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:37 WrapperNode [2020-10-13 12:49:37,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:49:37,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:49:37,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:49:37,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:49:37,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:37" (1/1) ... [2020-10-13 12:49:37,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:37" (1/1) ... [2020-10-13 12:49:37,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:37" (1/1) ... [2020-10-13 12:49:37,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:37" (1/1) ... [2020-10-13 12:49:37,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:37" (1/1) ... [2020-10-13 12:49:37,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:37" (1/1) ... [2020-10-13 12:49:37,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:37" (1/1) ... [2020-10-13 12:49:37,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:49:37,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:49:37,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:49:37,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:49:37,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:49:37,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:49:37,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:49:37,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:49:37,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-13 12:49:37,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-13 12:49:37,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-13 12:49:37,333 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:49:37,333 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:49:37,333 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:49:37,333 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:49:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:49:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:49:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:49:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:49:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-13 12:49:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-13 12:49:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:49:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:49:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:49:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:49:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:49:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:49:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:49:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:49:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:49:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:49:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:49:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:49:37,337 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:49:37,337 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:49:37,337 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:49:37,337 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:49:37,337 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:49:37,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:49:37,337 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:49:37,338 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:49:37,338 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:49:37,338 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:49:37,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:49:37,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:49:37,338 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:49:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:49:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:49:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:49:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-13 12:49:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-13 12:49:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-13 12:49:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:49:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:49:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-13 12:49:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-13 12:49:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:49:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:49:37,341 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:49:37,341 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:49:37,341 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:49:37,341 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:49:37,341 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:49:37,341 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:49:37,341 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:49:37,342 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:49:37,342 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:49:37,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:49:37,342 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:49:37,342 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:49:37,342 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:49:37,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:49:37,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:49:37,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:49:37,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:49:37,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:49:37,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:49:37,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:49:37,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:49:37,344 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:49:37,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:49:37,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:49:37,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:49:37,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:49:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:49:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:49:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:49:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:49:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:49:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:49:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:49:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:49:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:49:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:49:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:49:38,266 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:49:38,266 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:49:38,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:49:38 BoogieIcfgContainer [2020-10-13 12:49:38,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:49:38,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:49:38,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:49:38,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:49:38,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:49:36" (1/3) ... [2020-10-13 12:49:38,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74357ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:49:38, skipping insertion in model container [2020-10-13 12:49:38,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:37" (2/3) ... [2020-10-13 12:49:38,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74357ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:49:38, skipping insertion in model container [2020-10-13 12:49:38,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:49:38" (3/3) ... [2020-10-13 12:49:38,280 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product04.cil.c [2020-10-13 12:49:38,291 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:49:38,299 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:49:38,313 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:49:38,339 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:49:38,339 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:49:38,339 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:49:38,339 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:49:38,340 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:49:38,340 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:49:38,340 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:49:38,340 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:49:38,365 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2020-10-13 12:49:38,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-13 12:49:38,376 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:49:38,377 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:49:38,378 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:49:38,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:49:38,385 INFO L82 PathProgramCache]: Analyzing trace with hash 765786489, now seen corresponding path program 1 times [2020-10-13 12:49:38,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:49:38,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [133156244] [2020-10-13 12:49:38,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:49:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:38,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:38,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:39,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:40,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:40,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:43,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:43,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 12:49:43,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:49:43,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 12:49:43,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:43,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:43,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-13 12:49:43,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:43,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 12:49:44,085 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:49:44,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:49:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:44,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 12:49:44,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:44,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:44,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:44,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:49:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:44,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:44,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:44,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:44,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:49:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:44,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:44,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:44,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:44,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:49:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:44,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:44,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:44,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:44,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:49:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:44,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:44,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:44,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:44,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:49:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:44,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:44,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:44,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:44,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:49:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:49:44,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:49:44,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:44,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:49:44,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:44,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:49:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:44,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:44,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:44,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:44,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:44,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:49:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:44,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:44,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:44,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:44,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:44,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 12:49:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:44,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:44,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:44,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:44,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:44,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:44,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:49:44,235 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [133156244] [2020-10-13 12:49:44,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:49:44,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:49:44,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519066400] [2020-10-13 12:49:44,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:49:44,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:49:44,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:49:44,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:49:44,266 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 4 states. [2020-10-13 12:49:45,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:49:45,247 INFO L93 Difference]: Finished difference Result 236 states and 309 transitions. [2020-10-13 12:49:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 12:49:45,249 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-10-13 12:49:45,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:49:45,264 INFO L225 Difference]: With dead ends: 236 [2020-10-13 12:49:45,264 INFO L226 Difference]: Without dead ends: 133 [2020-10-13 12:49:45,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:49:45,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-10-13 12:49:45,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 104. [2020-10-13 12:49:45,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-13 12:49:45,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 120 transitions. [2020-10-13 12:49:45,364 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 120 transitions. Word has length 59 [2020-10-13 12:49:45,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:49:45,364 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 120 transitions. [2020-10-13 12:49:45,365 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:49:45,365 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2020-10-13 12:49:45,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-13 12:49:45,369 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:49:45,369 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:49:45,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:49:45,369 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:49:45,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:49:45,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1248196221, now seen corresponding path program 1 times [2020-10-13 12:49:45,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:49:45,370 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [146489063] [2020-10-13 12:49:45,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:49:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:45,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:45,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:46,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:46,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:46,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:50,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:50,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 12:49:50,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:49:50,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 12:49:50,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:50,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:50,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 12:49:50,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:49:50,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:50,715 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:49:50,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:49:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:50,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:50,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:50,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:50,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:50,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 12:49:50,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:50,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:50,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:50,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:50,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:50,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:49:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:50,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:50,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:50,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:50,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:50,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:50,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:50,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:50,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:50,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:50,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:50,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:49:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:50,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:50,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:50,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:50,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:50,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:50,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:50,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:50,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:50,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:50,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:50,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:49:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:50,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:50,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:50,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:50,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:50,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:50,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:50,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:50,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:50,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:50,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:50,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:49:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:50,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:50,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:50,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:50,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:50,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:50,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:50,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:50,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:50,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:50,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:50,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:49:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:50,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:50,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:50,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:50,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:50,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:50,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:50,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:50,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:50,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:50,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:50,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:49:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:50,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:50,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:50,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:49:50,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:50,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:49:50,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:50,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:50,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:49:50,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:50,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:50,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:49:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:50,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:50,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:50,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:50,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:50,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:50,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:50,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:50,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:50,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:50,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:50,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:49:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:50,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:50,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:50,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:50,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:50,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:50,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:50,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:50,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:50,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:50,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:50,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 12:49:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:50,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:50,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:50,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:50,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:50,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:50,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:50,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:50,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:50,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:50,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:50,842 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:49:50,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [146489063] [2020-10-13 12:49:50,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:49:50,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 12:49:50,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998348723] [2020-10-13 12:49:50,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 12:49:50,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:49:50,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 12:49:50,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:49:50,847 INFO L87 Difference]: Start difference. First operand 104 states and 120 transitions. Second operand 5 states. [2020-10-13 12:49:51,385 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:49:52,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:49:52,007 INFO L93 Difference]: Finished difference Result 168 states and 207 transitions. [2020-10-13 12:49:52,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 12:49:52,008 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-10-13 12:49:52,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:49:52,010 INFO L225 Difference]: With dead ends: 168 [2020-10-13 12:49:52,010 INFO L226 Difference]: Without dead ends: 123 [2020-10-13 12:49:52,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:49:52,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-10-13 12:49:52,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 95. [2020-10-13 12:49:52,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-13 12:49:52,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2020-10-13 12:49:52,048 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 60 [2020-10-13 12:49:52,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:49:52,049 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2020-10-13 12:49:52,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 12:49:52,049 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2020-10-13 12:49:52,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-13 12:49:52,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:49:52,051 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:49:52,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:49:52,051 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:49:52,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:49:52,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1685147273, now seen corresponding path program 1 times [2020-10-13 12:49:52,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:49:52,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1709308668] [2020-10-13 12:49:52,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:49:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:52,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:52,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:52,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:52,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:54,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:54,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 12:49:54,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:49:54,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2548 [2020-10-13 12:49:54,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:54,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:49:54,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-13 12:49:54,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:49:54,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:54,953 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:49:54,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:49:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:54,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:55,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:55,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:55,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:55,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 12:49:55,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:55,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:55,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:55,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:55,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:55,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:49:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:55,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:55,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:55,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:55,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:55,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:55,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:55,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:55,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:55,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:55,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:55,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:49:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:55,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:55,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:55,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:55,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:55,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:55,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:55,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:55,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:55,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:55,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:55,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:49:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:55,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:55,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:55,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:55,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:55,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:55,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:55,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:55,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:55,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:55,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:55,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:49:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:55,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:55,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:55,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:55,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:55,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:55,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:55,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:55,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:55,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:55,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:55,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:49:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:55,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:55,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:55,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:55,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:55,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:55,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:55,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:55,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:55,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:55,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:55,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:49:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:55,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:55,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:55,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:49:55,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:55,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:49:55,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:55,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:55,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:55,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:55,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:55,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:49:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:55,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:55,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:55,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:55,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:55,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:55,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:55,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:55,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:55,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:55,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:55,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 12:49:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:55,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:55,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:55,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:55,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:55,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:55,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:55,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:55,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:55,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:49:55,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:55,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 12:49:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:55,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:55,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:55,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:55,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:55,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:49:55,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:55,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:49:55,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:55,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:49:55,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:55,111 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 12:49:55,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1709308668] [2020-10-13 12:49:55,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:49:55,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:49:55,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645524634] [2020-10-13 12:49:55,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:49:55,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:49:55,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:49:55,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:49:55,115 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 8 states. [2020-10-13 12:49:55,478 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:49:56,341 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:49:56,920 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:49:57,193 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-13 12:49:57,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:49:57,284 INFO L93 Difference]: Finished difference Result 177 states and 226 transitions. [2020-10-13 12:49:57,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 12:49:57,285 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-10-13 12:49:57,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:49:57,286 INFO L225 Difference]: With dead ends: 177 [2020-10-13 12:49:57,286 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:49:57,287 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-13 12:49:57,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:49:57,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:49:57,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:49:57,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:49:57,288 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2020-10-13 12:49:57,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:49:57,289 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:49:57,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:49:57,289 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:49:57,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:49:57,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:49:57,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:49:58,538 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:49:58,702 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:49:58,875 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:49:59,039 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 10 [2020-10-13 12:49:59,243 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:49:59,431 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 14 [2020-10-13 12:49:59,616 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 10 [2020-10-13 12:49:59,817 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:49:59,972 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 10 [2020-10-13 12:50:00,144 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 10 [2020-10-13 12:50:00,324 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:50:00,495 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 10 [2020-10-13 12:50:00,660 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:50:00,831 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:50:01,024 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-10-13 12:50:01,233 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 13 [2020-10-13 12:50:01,242 INFO L268 CegarLoopResult]: For program point L384(line 384) no Hoare annotation was computed. [2020-10-13 12:50:01,242 INFO L268 CegarLoopResult]: For program point L383-2(lines 383 404) no Hoare annotation was computed. [2020-10-13 12:50:01,243 INFO L268 CegarLoopResult]: For program point L405(lines 382 406) no Hoare annotation was computed. [2020-10-13 12:50:01,243 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 358 413) no Hoare annotation was computed. [2020-10-13 12:50:01,243 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 358 413) no Hoare annotation was computed. [2020-10-13 12:50:01,243 INFO L268 CegarLoopResult]: For program point L389(lines 389 393) no Hoare annotation was computed. [2020-10-13 12:50:01,243 INFO L268 CegarLoopResult]: For program point L389-1(lines 389 393) no Hoare annotation was computed. [2020-10-13 12:50:01,243 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 358 413) no Hoare annotation was computed. [2020-10-13 12:50:01,243 INFO L268 CegarLoopResult]: For program point L446(lines 446 450) no Hoare annotation was computed. [2020-10-13 12:50:01,243 INFO L268 CegarLoopResult]: For program point L446-1(lines 446 450) no Hoare annotation was computed. [2020-10-13 12:50:01,243 INFO L268 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-13 12:50:01,244 INFO L268 CegarLoopResult]: For program point L440-2(lines 440 465) no Hoare annotation was computed. [2020-10-13 12:50:01,244 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 414 473) no Hoare annotation was computed. [2020-10-13 12:50:01,244 INFO L268 CegarLoopResult]: For program point L466(lines 439 467) no Hoare annotation was computed. [2020-10-13 12:50:01,244 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 414 473) no Hoare annotation was computed. [2020-10-13 12:50:01,244 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-13 12:50:01,244 INFO L268 CegarLoopResult]: For program point L459-1(line 459) no Hoare annotation was computed. [2020-10-13 12:50:01,244 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 414 473) no Hoare annotation was computed. [2020-10-13 12:50:01,244 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 879 885) the Hoare annotation is: true [2020-10-13 12:50:01,245 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 879 885) no Hoare annotation was computed. [2020-10-13 12:50:01,245 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 886 894) no Hoare annotation was computed. [2020-10-13 12:50:01,245 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 886 894) the Hoare annotation is: true [2020-10-13 12:50:01,245 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 886 894) no Hoare annotation was computed. [2020-10-13 12:50:01,245 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (<= ~pumpRunning~0 0))) [2020-10-13 12:50:01,245 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-10-13 12:50:01,245 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-10-13 12:50:01,245 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (<= ~pumpRunning~0 0))) [2020-10-13 12:50:01,246 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-10-13 12:50:01,246 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-13 12:50:01,246 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-10-13 12:50:01,246 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-10-13 12:50:01,246 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (or (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0))) [2020-10-13 12:50:01,246 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-10-13 12:50:01,246 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-10-13 12:50:01,246 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-10-13 12:50:01,246 INFO L271 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: true [2020-10-13 12:50:01,247 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-10-13 12:50:01,247 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-10-13 12:50:01,247 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-10-13 12:50:01,247 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-10-13 12:50:01,247 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-10-13 12:50:01,247 INFO L264 CegarLoopResult]: At program point L834-1(line 834) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:01,247 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 828 850) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:01,248 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 828 850) no Hoare annotation was computed. [2020-10-13 12:50:01,248 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 828 850) no Hoare annotation was computed. [2020-10-13 12:50:01,248 INFO L264 CegarLoopResult]: At program point L840(line 840) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:01,248 INFO L264 CegarLoopResult]: At program point L840-1(line 840) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:01,248 INFO L268 CegarLoopResult]: For program point L838(lines 838 845) no Hoare annotation was computed. [2020-10-13 12:50:01,248 INFO L268 CegarLoopResult]: For program point L838-1(lines 838 845) no Hoare annotation was computed. [2020-10-13 12:50:01,249 INFO L268 CegarLoopResult]: For program point L836(line 836) no Hoare annotation was computed. [2020-10-13 12:50:01,249 INFO L264 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:01,249 INFO L264 CegarLoopResult]: At program point L834(line 834) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:01,249 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-10-13 12:50:01,249 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-10-13 12:50:01,249 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 783 806) no Hoare annotation was computed. [2020-10-13 12:50:01,249 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-10-13 12:50:01,249 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-10-13 12:50:01,250 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-10-13 12:50:01,250 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 783 806) no Hoare annotation was computed. [2020-10-13 12:50:01,250 INFO L268 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-10-13 12:50:01,250 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 783 806) no Hoare annotation was computed. [2020-10-13 12:50:01,250 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-10-13 12:50:01,250 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-10-13 12:50:01,250 INFO L268 CegarLoopResult]: For program point L793(line 793) no Hoare annotation was computed. [2020-10-13 12:50:01,250 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-10-13 12:50:01,250 INFO L268 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-10-13 12:50:01,251 INFO L268 CegarLoopResult]: For program point L790(line 790) no Hoare annotation was computed. [2020-10-13 12:50:01,251 INFO L268 CegarLoopResult]: For program point L789(line 789) no Hoare annotation was computed. [2020-10-13 12:50:01,251 INFO L268 CegarLoopResult]: For program point L788(line 788) no Hoare annotation was computed. [2020-10-13 12:50:01,251 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 282 296) no Hoare annotation was computed. [2020-10-13 12:50:01,251 INFO L264 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:50:01,251 INFO L268 CegarLoopResult]: For program point L286(lines 286 292) no Hoare annotation was computed. [2020-10-13 12:50:01,251 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 282 296) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-13 12:50:01,251 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 282 296) no Hoare annotation was computed. [2020-10-13 12:50:01,251 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 237 245) no Hoare annotation was computed. [2020-10-13 12:50:01,251 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 237 245) the Hoare annotation is: true [2020-10-13 12:50:01,251 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 237 245) no Hoare annotation was computed. [2020-10-13 12:50:01,252 INFO L268 CegarLoopResult]: For program point L253(lines 253 261) no Hoare annotation was computed. [2020-10-13 12:50:01,252 INFO L268 CegarLoopResult]: For program point L253-2(lines 253 261) no Hoare annotation was computed. [2020-10-13 12:50:01,252 INFO L268 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-10-13 12:50:01,252 INFO L268 CegarLoopResult]: For program point L276-1(line 276) no Hoare annotation was computed. [2020-10-13 12:50:01,252 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 246 281) no Hoare annotation was computed. [2020-10-13 12:50:01,252 INFO L268 CegarLoopResult]: For program point L265(lines 265 273) no Hoare annotation was computed. [2020-10-13 12:50:01,252 INFO L268 CegarLoopResult]: For program point L265-2(lines 265 273) no Hoare annotation was computed. [2020-10-13 12:50:01,252 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 246 281) no Hoare annotation was computed. [2020-10-13 12:50:01,252 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 246 281) no Hoare annotation was computed. [2020-10-13 12:50:01,253 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 872 878) no Hoare annotation was computed. [2020-10-13 12:50:01,253 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 872 878) the Hoare annotation is: true [2020-10-13 12:50:01,253 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 312 357) no Hoare annotation was computed. [2020-10-13 12:50:01,253 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 312 357) no Hoare annotation was computed. [2020-10-13 12:50:01,253 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 312 357) no Hoare annotation was computed. [2020-10-13 12:50:01,253 INFO L268 CegarLoopResult]: For program point L639(lines 639 659) no Hoare annotation was computed. [2020-10-13 12:50:01,253 INFO L268 CegarLoopResult]: For program point L639-1(lines 639 659) no Hoare annotation was computed. [2020-10-13 12:50:01,253 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 625 670) no Hoare annotation was computed. [2020-10-13 12:50:01,253 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 625 670) no Hoare annotation was computed. [2020-10-13 12:50:01,254 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 625 670) no Hoare annotation was computed. [2020-10-13 12:50:01,254 INFO L268 CegarLoopResult]: For program point L645(lines 645 652) no Hoare annotation was computed. [2020-10-13 12:50:01,254 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 814 824) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:01,254 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 814 824) no Hoare annotation was computed. [2020-10-13 12:50:01,254 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 814 824) no Hoare annotation was computed. [2020-10-13 12:50:01,254 INFO L264 CegarLoopResult]: At program point L819(line 819) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:50:01,254 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 226 236) no Hoare annotation was computed. [2020-10-13 12:50:01,254 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 226 236) no Hoare annotation was computed. [2020-10-13 12:50:01,255 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-10-13 12:50:01,255 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 226 236) no Hoare annotation was computed. [2020-10-13 12:50:01,255 INFO L268 CegarLoopResult]: For program point L231-1(line 231) no Hoare annotation was computed. [2020-10-13 12:50:01,255 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 218 225) the Hoare annotation is: true [2020-10-13 12:50:01,255 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 218 225) no Hoare annotation was computed. [2020-10-13 12:50:01,255 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 218 225) no Hoare annotation was computed. [2020-10-13 12:50:01,255 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 203 209) no Hoare annotation was computed. [2020-10-13 12:50:01,255 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 203 209) the Hoare annotation is: true [2020-10-13 12:50:01,255 INFO L268 CegarLoopResult]: For program point L128(lines 128 134) no Hoare annotation was computed. [2020-10-13 12:50:01,256 INFO L264 CegarLoopResult]: At program point testENTRY(lines 98 165) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:01,256 INFO L268 CegarLoopResult]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2020-10-13 12:50:01,256 INFO L264 CegarLoopResult]: At program point L155(lines 108 157) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:50:01,256 INFO L264 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:50:01,256 INFO L268 CegarLoopResult]: For program point testFINAL(lines 98 165) no Hoare annotation was computed. [2020-10-13 12:50:01,256 INFO L268 CegarLoopResult]: For program point L118(lines 118 124) no Hoare annotation was computed. [2020-10-13 12:50:01,256 INFO L268 CegarLoopResult]: For program point L118-1(lines 118 124) no Hoare annotation was computed. [2020-10-13 12:50:01,257 INFO L268 CegarLoopResult]: For program point L110(lines 110 114) no Hoare annotation was computed. [2020-10-13 12:50:01,257 INFO L264 CegarLoopResult]: At program point L158(lines 107 159) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:50:01,257 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:50:01,257 INFO L268 CegarLoopResult]: For program point L146(lines 146 152) no Hoare annotation was computed. [2020-10-13 12:50:01,257 INFO L264 CegarLoopResult]: At program point L146-1(lines 138 153) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:50:01,257 INFO L268 CegarLoopResult]: For program point L109(lines 108 157) no Hoare annotation was computed. [2020-10-13 12:50:01,257 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:50:01,257 INFO L268 CegarLoopResult]: For program point L138(lines 138 153) no Hoare annotation was computed. [2020-10-13 12:50:01,257 INFO L268 CegarLoopResult]: For program point testEXIT(lines 98 165) no Hoare annotation was computed. [2020-10-13 12:50:01,258 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:50:01,258 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 579 624) no Hoare annotation was computed. [2020-10-13 12:50:01,258 INFO L268 CegarLoopResult]: For program point L599(lines 599 606) no Hoare annotation was computed. [2020-10-13 12:50:01,258 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 579 624) no Hoare annotation was computed. [2020-10-13 12:50:01,258 INFO L268 CegarLoopResult]: For program point L593(lines 593 613) no Hoare annotation was computed. [2020-10-13 12:50:01,258 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 579 624) no Hoare annotation was computed. [2020-10-13 12:50:01,258 INFO L268 CegarLoopResult]: For program point L593-1(lines 593 613) no Hoare annotation was computed. [2020-10-13 12:50:01,258 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 719 741) no Hoare annotation was computed. [2020-10-13 12:50:01,258 INFO L268 CegarLoopResult]: For program point L727(lines 727 735) no Hoare annotation was computed. [2020-10-13 12:50:01,258 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 719 741) no Hoare annotation was computed. [2020-10-13 12:50:01,258 INFO L268 CegarLoopResult]: For program point L727-2(lines 727 735) no Hoare annotation was computed. [2020-10-13 12:50:01,258 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 719 741) no Hoare annotation was computed. [2020-10-13 12:50:01,258 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 476 578) no Hoare annotation was computed. [2020-10-13 12:50:01,259 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-13 12:50:01,259 INFO L268 CegarLoopResult]: For program point L541-1(line 541) no Hoare annotation was computed. [2020-10-13 12:50:01,259 INFO L268 CegarLoopResult]: For program point L500(lines 500 504) no Hoare annotation was computed. [2020-10-13 12:50:01,259 INFO L268 CegarLoopResult]: For program point L564(lines 564 575) no Hoare annotation was computed. [2020-10-13 12:50:01,259 INFO L268 CegarLoopResult]: For program point L527(lines 527 531) no Hoare annotation was computed. [2020-10-13 12:50:01,259 INFO L268 CegarLoopResult]: For program point L525-2(lines 525 545) no Hoare annotation was computed. [2020-10-13 12:50:01,259 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 476 578) no Hoare annotation was computed. [2020-10-13 12:50:01,259 INFO L268 CegarLoopResult]: For program point L546(lines 524 547) no Hoare annotation was computed. [2020-10-13 12:50:01,259 INFO L268 CegarLoopResult]: For program point L505(lines 505 521) no Hoare annotation was computed. [2020-10-13 12:50:01,259 INFO L268 CegarLoopResult]: For program point L565(lines 565 572) no Hoare annotation was computed. [2020-10-13 12:50:01,259 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 476 578) no Hoare annotation was computed. [2020-10-13 12:50:01,259 INFO L268 CegarLoopResult]: For program point L526(lines 525 545) no Hoare annotation was computed. [2020-10-13 12:50:01,259 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-10-13 12:50:01,259 INFO L268 CegarLoopResult]: For program point L557-1(line 557) no Hoare annotation was computed. [2020-10-13 12:50:01,260 INFO L268 CegarLoopResult]: For program point L522(lines 522 563) no Hoare annotation was computed. [2020-10-13 12:50:01,260 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 862 871) no Hoare annotation was computed. [2020-10-13 12:50:01,260 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 862 871) no Hoare annotation was computed. [2020-10-13 12:50:01,260 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 862 871) no Hoare annotation was computed. [2020-10-13 12:50:01,260 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:50:01,260 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-13 12:50:01,260 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:50:01,260 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 210 217) no Hoare annotation was computed. [2020-10-13 12:50:01,260 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 210 217) no Hoare annotation was computed. [2020-10-13 12:50:01,260 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 210 217) no Hoare annotation was computed. [2020-10-13 12:50:01,261 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 742 750) the Hoare annotation is: true [2020-10-13 12:50:01,261 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 742 750) no Hoare annotation was computed. [2020-10-13 12:50:01,261 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 742 750) no Hoare annotation was computed. [2020-10-13 12:50:01,261 INFO L268 CegarLoopResult]: For program point L702-1(lines 698 709) no Hoare annotation was computed. [2020-10-13 12:50:01,261 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 698 709) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-13 12:50:01,261 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 698 709) no Hoare annotation was computed. [2020-10-13 12:50:01,261 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:50:01,261 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:50:01,261 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:50:01,261 INFO L271 CegarLoopResult]: At program point L192(line 192) the Hoare annotation is: true [2020-10-13 12:50:01,261 INFO L271 CegarLoopResult]: At program point L190(lines 190 196) the Hoare annotation is: true [2020-10-13 12:50:01,261 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (or (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0))) [2020-10-13 12:50:01,261 INFO L268 CegarLoopResult]: For program point L183(lines 179 201) no Hoare annotation was computed. [2020-10-13 12:50:01,262 INFO L268 CegarLoopResult]: For program point L181(lines 179 201) no Hoare annotation was computed. [2020-10-13 12:50:01,262 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 176 202) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-13 12:50:01,262 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 176 202) no Hoare annotation was computed. [2020-10-13 12:50:01,262 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 176 202) no Hoare annotation was computed. [2020-10-13 12:50:01,262 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 753 782) no Hoare annotation was computed. [2020-10-13 12:50:01,262 INFO L268 CegarLoopResult]: For program point L767(lines 767 771) no Hoare annotation was computed. [2020-10-13 12:50:01,262 INFO L271 CegarLoopResult]: At program point L767-1(lines 767 771) the Hoare annotation is: true [2020-10-13 12:50:01,262 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 753 782) the Hoare annotation is: true [2020-10-13 12:50:01,262 INFO L268 CegarLoopResult]: For program point L764(line 764) no Hoare annotation was computed. [2020-10-13 12:50:01,262 INFO L271 CegarLoopResult]: At program point L763-2(lines 763 777) the Hoare annotation is: true [2020-10-13 12:50:01,263 INFO L271 CegarLoopResult]: At program point L759(line 759) the Hoare annotation is: true [2020-10-13 12:50:01,263 INFO L268 CegarLoopResult]: For program point L759-1(line 759) no Hoare annotation was computed. [2020-10-13 12:50:01,263 INFO L271 CegarLoopResult]: At program point L778(lines 753 782) the Hoare annotation is: true [2020-10-13 12:50:01,263 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-10-13 12:50:01,263 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 710 718) no Hoare annotation was computed. [2020-10-13 12:50:01,263 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 710 718) no Hoare annotation was computed. [2020-10-13 12:50:01,263 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 710 718) no Hoare annotation was computed. [2020-10-13 12:50:01,263 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 674 685) the Hoare annotation is: true [2020-10-13 12:50:01,263 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 674 685) no Hoare annotation was computed. [2020-10-13 12:50:01,263 INFO L268 CegarLoopResult]: For program point L678-1(lines 674 685) no Hoare annotation was computed. [2020-10-13 12:50:01,263 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 807 813) no Hoare annotation was computed. [2020-10-13 12:50:01,263 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 807 813) the Hoare annotation is: true [2020-10-13 12:50:01,263 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:50:01,264 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-13 12:50:01,264 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:50:01,264 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:50:01,264 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 297 304) no Hoare annotation was computed. [2020-10-13 12:50:01,264 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 297 304) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-13 12:50:01,264 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 297 304) no Hoare annotation was computed. [2020-10-13 12:50:01,264 INFO L268 CegarLoopResult]: For program point L690-1(lines 686 697) no Hoare annotation was computed. [2020-10-13 12:50:01,264 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 686 697) no Hoare annotation was computed. [2020-10-13 12:50:01,264 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 686 697) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-13 12:50:01,264 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 852 859) no Hoare annotation was computed. [2020-10-13 12:50:01,265 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 856) no Hoare annotation was computed. [2020-10-13 12:50:01,265 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 852 859) the Hoare annotation is: true [2020-10-13 12:50:01,265 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 852 859) no Hoare annotation was computed. [2020-10-13 12:50:01,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:50:01 BoogieIcfgContainer [2020-10-13 12:50:01,281 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:50:01,283 INFO L168 Benchmark]: Toolchain (without parser) took 24810.72 ms. Allocated memory was 146.8 MB in the beginning and 627.0 MB in the end (delta: 480.2 MB). Free memory was 103.5 MB in the beginning and 526.8 MB in the end (delta: -423.3 MB). Peak memory consumption was 489.4 MB. Max. memory is 7.1 GB. [2020-10-13 12:50:01,283 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 146.8 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 12:50:01,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.89 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 103.3 MB in the beginning and 174.7 MB in the end (delta: -71.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-10-13 12:50:01,285 INFO L168 Benchmark]: Boogie Preprocessor took 77.56 ms. Allocated memory is still 205.0 MB. Free memory was 174.7 MB in the beginning and 170.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:50:01,286 INFO L168 Benchmark]: RCFGBuilder took 996.92 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 170.1 MB in the beginning and 200.2 MB in the end (delta: -30.2 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2020-10-13 12:50:01,287 INFO L168 Benchmark]: TraceAbstraction took 23007.76 ms. Allocated memory was 236.5 MB in the beginning and 627.0 MB in the end (delta: 390.6 MB). Free memory was 200.2 MB in the beginning and 526.8 MB in the end (delta: -326.5 MB). Peak memory consumption was 496.5 MB. Max. memory is 7.1 GB. [2020-10-13 12:50:01,291 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 146.8 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 723.89 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 103.3 MB in the beginning and 174.7 MB in the end (delta: -71.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 77.56 ms. Allocated memory is still 205.0 MB. Free memory was 174.7 MB in the beginning and 170.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 996.92 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 170.1 MB in the beginning and 200.2 MB in the end (delta: -30.2 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23007.76 ms. Allocated memory was 236.5 MB in the beginning and 627.0 MB in the end (delta: 390.6 MB). Free memory was 200.2 MB in the beginning and 526.8 MB in the end (delta: -326.5 MB). Peak memory consumption was 496.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 856]: 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: 108]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) <= 0) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) <= 0) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.9s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 278 SDtfs, 293 SDslu, 202 SDs, 0 SdLazy, 618 SolverSat, 188 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred 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: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 57 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 138 PreInvPairs, 161 NumberOfFragments, 673 HoareAnnotationTreeSize, 138 FomulaSimplifications, 4374 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 49 FomulaSimplificationsInter, 4778 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 13.9s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 181 ConstructedInterpolants, 0 QuantifiedInterpolants, 49407 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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...