/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:08:46,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:08:46,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:08:46,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:08:46,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:08:46,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:08:46,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:08:46,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:08:46,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:08:46,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:08:46,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:08:46,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:08:46,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:08:46,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:08:46,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:08:46,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:08:46,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:08:46,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:08:46,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:08:46,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:08:46,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:08:46,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:08:46,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:08:46,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:08:46,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:08:46,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:08:46,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:08:46,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:08:46,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:08:46,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:08:46,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:08:46,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:08:46,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:08:46,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:08:46,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:08:46,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:08:46,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:08:46,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:08:46,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:08:46,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:08:46,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:08:46,383 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:08:46,408 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:08:46,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:08:46,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:08:46,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:08:46,410 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:08:46,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:08:46,411 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:08:46,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:08:46,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:08:46,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:08:46,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:08:46,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:08:46,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:08:46,412 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:08:46,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:08:46,412 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:08:46,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:08:46,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:08:46,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:08:46,413 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:08:46,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:08:46,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:08:46,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:08:46,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:08:46,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:08:46,414 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:08:46,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:08:46,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:08:46,417 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:08:46,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:08:46,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:08:46,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:08:46,885 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:08:46,886 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:08:46,887 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:08:46,888 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c [2020-09-21 12:08:46,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c46081ae2/4ad46b5ab06d46e68a94332e0af3932c/FLAGedda06fea [2020-09-21 12:08:47,608 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:08:47,609 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c [2020-09-21 12:08:47,623 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c46081ae2/4ad46b5ab06d46e68a94332e0af3932c/FLAGedda06fea [2020-09-21 12:08:47,870 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c46081ae2/4ad46b5ab06d46e68a94332e0af3932c [2020-09-21 12:08:47,883 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:08:47,889 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:08:47,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:08:47,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:08:47,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:08:47,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:08:47" (1/1) ... [2020-09-21 12:08:47,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:47, skipping insertion in model container [2020-09-21 12:08:47,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:08:47" (1/1) ... [2020-09-21 12:08:47,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:08:47,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:08:48,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:08:48,487 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:08:48,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:08:48,674 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:08:48,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:48 WrapperNode [2020-09-21 12:08:48,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:08:48,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:08:48,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:08:48,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:08:48,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:48" (1/1) ... [2020-09-21 12:08:48,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:48" (1/1) ... [2020-09-21 12:08:48,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:48" (1/1) ... [2020-09-21 12:08:48,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:48" (1/1) ... [2020-09-21 12:08:48,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:48" (1/1) ... [2020-09-21 12:08:48,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:48" (1/1) ... [2020-09-21 12:08:48,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:48" (1/1) ... [2020-09-21 12:08:48,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:08:48,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:08:48,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:08:48,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:08:48,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:48" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:08:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:08:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:08:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:08:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:08:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:08:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:08:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:08:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:08:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:08:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:08:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:08:48,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:08:48,887 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:08:48,887 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:08:48,887 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:08:48,888 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:08:48,888 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:08:48,889 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:08:48,889 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:08:48,889 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:08:48,889 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:08:48,890 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:08:48,890 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:08:48,890 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:08:48,890 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:08:48,891 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:08:48,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:08:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:08:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:08:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:08:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:08:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:08:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:08:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:08:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:08:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:08:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:08:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:08:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:08:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:08:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:08:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:08:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:08:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:08:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:08:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:08:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:08:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:08:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:08:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:08:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:08:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:08:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:08:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:08:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:08:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:08:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:08:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:08:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:08:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:08:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:08:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:08:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:08:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:08:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:08:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:08:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:08:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:08:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:08:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:08:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:08:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:08:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:08:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:08:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:08:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:08:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:08:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:08:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:08:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:08:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:08:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:08:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:08:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:08:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:08:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:08:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:08:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:08:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:08:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:08:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:08:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:08:50,159 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:08:50,159 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:08:50,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:08:50 BoogieIcfgContainer [2020-09-21 12:08:50,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:08:50,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:08:50,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:08:50,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:08:50,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:08:47" (1/3) ... [2020-09-21 12:08:50,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b322aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:08:50, skipping insertion in model container [2020-09-21 12:08:50,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:48" (2/3) ... [2020-09-21 12:08:50,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b322aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:08:50, skipping insertion in model container [2020-09-21 12:08:50,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:08:50" (3/3) ... [2020-09-21 12:08:50,175 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product18.cil.c [2020-09-21 12:08:50,187 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:08:50,198 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:08:50,221 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:08:50,253 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:08:50,253 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:08:50,254 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:08:50,254 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:08:50,254 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:08:50,254 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:08:50,254 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:08:50,254 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:08:50,282 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2020-09-21 12:08:50,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:08:50,294 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:50,296 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:08:50,296 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:50,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:50,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1030614044, now seen corresponding path program 1 times [2020-09-21 12:08:50,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:50,314 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1889115206] [2020-09-21 12:08:50,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:50,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:51,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:51,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:51,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:08:51,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:51,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1025 [2020-09-21 12:08:51,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:51,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:51,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:08:51,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:51,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:08:52,053 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:52,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:52,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:52,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:52,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:52,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:52,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-21 12:08:52,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:52,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:52,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:52,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:52,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:52,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:52,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:52,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:52,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:52,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:52,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:52,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:52,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:52,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:52,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:52,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:52,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:52,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:52,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:52,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:52,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:52,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:52,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:52,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:52,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:52,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:52,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:52,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:52,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:52,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:52,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:52,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:52,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:52,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:52,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:52,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:52,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:52,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:52,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:52,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:52,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:52,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:52,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:52,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:52,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:52,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:52,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:52,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:52,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:52,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:52,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:52,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:52,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:52,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:52,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:52,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:52,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:52,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:52,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:52,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:52,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:08:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:52,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:52,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:52,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:52,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:52,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:52,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:52,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:52,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:52,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:52,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:52,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:08:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:52,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:52,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:52,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:52,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:52,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:52,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:52,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:52,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:52,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:52,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1889115206] [2020-09-21 12:08:52,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:52,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:08:52,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118227327] [2020-09-21 12:08:52,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:08:52,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:52,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:08:52,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:08:52,268 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 4 states. [2020-09-21 12:08:53,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:53,368 INFO L93 Difference]: Finished difference Result 256 states and 336 transitions. [2020-09-21 12:08:53,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:08:53,370 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:08:53,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:53,389 INFO L225 Difference]: With dead ends: 256 [2020-09-21 12:08:53,389 INFO L226 Difference]: Without dead ends: 144 [2020-09-21 12:08:53,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:08:53,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-09-21 12:08:53,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 113. [2020-09-21 12:08:53,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-09-21 12:08:53,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2020-09-21 12:08:53,499 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 51 [2020-09-21 12:08:53,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:53,500 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2020-09-21 12:08:53,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:08:53,501 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2020-09-21 12:08:53,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:08:53,504 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:53,504 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:08:53,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:08:53,505 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:53,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:53,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1356114072, now seen corresponding path program 1 times [2020-09-21 12:08:53,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:53,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2005811366] [2020-09-21 12:08:53,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:53,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:53,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:54,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:54,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:08:54,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:54,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1026 [2020-09-21 12:08:54,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:54,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:54,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:08:54,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:08:54,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:54,900 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:54,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:54,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:54,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:54,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:54,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:54,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-21 12:08:54,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:54,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:54,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:54,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:54,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:55,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:55,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:55,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:55,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:55,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:55,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:55,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:55,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:55,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:55,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:55,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:55,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:55,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:55,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:55,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:55,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:55,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:55,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:55,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:55,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:55,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:55,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:55,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:55,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:55,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:55,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:55,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:55,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:55,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:55,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:55,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:55,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:55,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:55,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:55,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:55,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:55,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:55,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:55,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:55,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:55,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:55,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:55,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:55,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:55,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:55,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:55,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:55,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:55,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:55,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:55,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:55,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:55,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:55,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:55,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:55,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:08:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:55,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:55,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:55,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:55,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:55,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:55,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:55,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:55,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:55,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:55,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:55,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:08:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:55,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:55,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:55,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:55,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:55,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:55,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:55,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:55,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:55,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:55,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:55,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:55,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2005811366] [2020-09-21 12:08:55,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:55,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:08:55,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679190575] [2020-09-21 12:08:55,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:08:55,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:55,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:08:55,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:08:55,130 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 5 states. [2020-09-21 12:08:55,656 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:56,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:56,420 INFO L93 Difference]: Finished difference Result 197 states and 243 transitions. [2020-09-21 12:08:56,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:08:56,421 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 12:08:56,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:56,426 INFO L225 Difference]: With dead ends: 197 [2020-09-21 12:08:56,426 INFO L226 Difference]: Without dead ends: 134 [2020-09-21 12:08:56,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:08:56,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-09-21 12:08:56,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-09-21 12:08:56,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-09-21 12:08:56,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 119 transitions. [2020-09-21 12:08:56,476 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 119 transitions. Word has length 52 [2020-09-21 12:08:56,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:56,477 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 119 transitions. [2020-09-21 12:08:56,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:08:56,477 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2020-09-21 12:08:56,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 12:08:56,479 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:56,479 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:08:56,480 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:08:56,480 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:56,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:56,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1966114986, now seen corresponding path program 1 times [2020-09-21 12:08:56,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:56,481 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [412014230] [2020-09-21 12:08:56,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:56,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:56,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:57,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:57,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 12:08:57,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:57,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1033 [2020-09-21 12:08:57,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:57,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:08:57,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:57,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 12:08:57,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:57,905 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:57,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:57,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:58,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:58,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:58,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:58,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-09-21 12:08:58,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:58,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:58,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:58,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:08:58,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:58,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:58,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:58,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:58,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:58,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:58,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:58,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:58,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:58,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:58,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:58,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:58,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:58,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:58,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:58,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:58,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:58,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:58,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:58,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:58,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:58,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:58,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:58,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:58,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:58,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:58,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:58,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:58,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:08:58,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:58,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:58,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:58,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:58,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:58,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:58,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:58,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:58,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:58,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:58,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:58,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:58,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:58,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:58,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:58,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:58,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:58,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:58,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:58,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:58,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:58,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:58,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:58,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:58,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:58,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:58,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:58,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:08:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:58,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:58,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:58,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:58,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:58,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:58,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:58,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:58,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:58,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:58,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:58,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 12:08:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:58,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:58,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:58,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:58,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:58,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:58,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:58,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:58,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:58,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:58,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:58,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:58,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [412014230] [2020-09-21 12:08:58,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:58,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:08:58,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492437037] [2020-09-21 12:08:58,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:08:58,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:58,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:08:58,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:08:58,175 INFO L87 Difference]: Start difference. First operand 104 states and 119 transitions. Second operand 5 states. [2020-09-21 12:08:58,522 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:08:59,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:59,413 INFO L93 Difference]: Finished difference Result 210 states and 262 transitions. [2020-09-21 12:08:59,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:08:59,414 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-09-21 12:08:59,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:59,418 INFO L225 Difference]: With dead ends: 210 [2020-09-21 12:08:59,418 INFO L226 Difference]: Without dead ends: 134 [2020-09-21 12:08:59,419 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:08:59,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-09-21 12:08:59,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-09-21 12:08:59,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-09-21 12:08:59,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions. [2020-09-21 12:08:59,457 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 57 [2020-09-21 12:08:59,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:59,458 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 118 transitions. [2020-09-21 12:08:59,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:08:59,458 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2020-09-21 12:08:59,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 12:08:59,459 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:59,460 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:08:59,460 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:08:59,460 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:59,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:59,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1641395945, now seen corresponding path program 1 times [2020-09-21 12:08:59,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:59,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [683738653] [2020-09-21 12:08:59,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:59,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:00,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:00,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:00,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 12:09:00,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:09:00,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1032 [2020-09-21 12:09:00,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:00,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:09:00,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-09-21 12:09:00,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-21 12:09:00,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:00,981 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:00,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:00,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:01,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:01,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:01,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:01,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-21 12:09:01,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:01,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:01,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:01,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:01,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:01,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:01,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:01,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:01,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:01,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:01,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:01,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:01,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:01,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:01,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:01,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:01,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:01,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:01,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:01,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:01,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:01,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:01,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:01,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:01,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:01,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:01,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:01,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:01,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:01,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:01,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:01,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:01,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:01,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:01,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:01,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:01,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:01,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:01,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:01,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:01,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:01,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:01,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:01,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:09:01,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:01,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:01,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:01,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:01,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:01,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:01,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:01,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:01,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:01,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:01,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:01,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:01,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:01,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:01,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:01,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 12:09:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:01,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:01,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:01,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:01,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:09:01,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:09:01,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:09:01,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:01,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:01,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:01,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:09:01,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:01,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:09:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:01,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:01,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:01,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:01,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:01,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:01,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:01,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:01,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:01,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:01,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:01,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 12:09:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:01,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:01,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:01,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:01,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:01,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:01,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:01,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:01,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:01,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:01,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:01,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 12:09:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:01,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:01,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:01,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:01,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:01,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:09:01,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:01,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:09:01,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:01,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:01,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:01,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:09:01,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [683738653] [2020-09-21 12:09:01,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:01,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:09:01,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440100330] [2020-09-21 12:09:01,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:09:01,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:01,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:09:01,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:09:01,282 INFO L87 Difference]: Start difference. First operand 104 states and 118 transitions. Second operand 9 states. [2020-09-21 12:09:01,822 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:03,022 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-21 12:09:03,365 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:03,717 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 12:09:03,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:03,944 INFO L93 Difference]: Finished difference Result 179 states and 223 transitions. [2020-09-21 12:09:03,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:09:03,945 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-09-21 12:09:03,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:03,947 INFO L225 Difference]: With dead ends: 179 [2020-09-21 12:09:03,947 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:09:03,949 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-09-21 12:09:03,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:09:03,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:09:03,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:09:03,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:09:03,950 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2020-09-21 12:09:03,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:03,950 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:09:03,950 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:09:03,951 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:09:03,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:09:03,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:09:03,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:09:04,146 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:04,320 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:04,490 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:04,653 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:04,821 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:04,987 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:05,149 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:05,459 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 12:09:05,628 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:05,785 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:05,945 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:06,092 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:06,447 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-21 12:09:06,802 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-21 12:09:07,176 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-21 12:09:07,337 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:07,497 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:07,652 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:07,808 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:07,964 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:08,121 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:08,292 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:08,446 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:08,602 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:08,755 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:08,908 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:09,061 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:09,216 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:09,383 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:09,542 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 12 [2020-09-21 12:09:09,700 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 12 [2020-09-21 12:09:09,855 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:10,008 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:10,271 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 12:09:10,424 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:10,577 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:10,732 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:11,081 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-21 12:09:11,438 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-21 12:09:11,785 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-21 12:09:11,938 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:12,201 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 12:09:12,356 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:12,512 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:12,707 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2020-09-21 12:09:12,917 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2020-09-21 12:09:13,100 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 12:09:13,341 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:09:13,556 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:09:13,846 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-21 12:09:14,120 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:14,339 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-09-21 12:09:14,550 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-09-21 12:09:14,771 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 12:09:15,014 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:09:15,251 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:09:15,448 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 12:09:15,695 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:09:15,904 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 12:09:16,124 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:09:16,390 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:09:16,616 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:09:16,847 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-09-21 12:09:17,125 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 12:09:17,336 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 12:09:17,347 INFO L268 CegarLoopResult]: For program point L606(lines 583 607) no Hoare annotation was computed. [2020-09-21 12:09:17,348 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 559 614) no Hoare annotation was computed. [2020-09-21 12:09:17,348 INFO L268 CegarLoopResult]: For program point L590(lines 590 594) no Hoare annotation was computed. [2020-09-21 12:09:17,348 INFO L268 CegarLoopResult]: For program point L590-1(lines 590 594) no Hoare annotation was computed. [2020-09-21 12:09:17,348 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-09-21 12:09:17,348 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 559 614) no Hoare annotation was computed. [2020-09-21 12:09:17,348 INFO L268 CegarLoopResult]: For program point L584-2(lines 584 605) no Hoare annotation was computed. [2020-09-21 12:09:17,349 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 559 614) no Hoare annotation was computed. [2020-09-21 12:09:17,349 INFO L268 CegarLoopResult]: For program point L641-2(lines 641 666) no Hoare annotation was computed. [2020-09-21 12:09:17,349 INFO L268 CegarLoopResult]: For program point L667(lines 640 668) no Hoare annotation was computed. [2020-09-21 12:09:17,349 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 615 674) no Hoare annotation was computed. [2020-09-21 12:09:17,349 INFO L268 CegarLoopResult]: For program point L660(line 660) no Hoare annotation was computed. [2020-09-21 12:09:17,349 INFO L268 CegarLoopResult]: For program point L660-1(line 660) no Hoare annotation was computed. [2020-09-21 12:09:17,350 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 615 674) no Hoare annotation was computed. [2020-09-21 12:09:17,350 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 615 674) no Hoare annotation was computed. [2020-09-21 12:09:17,350 INFO L268 CegarLoopResult]: For program point L647(lines 647 651) no Hoare annotation was computed. [2020-09-21 12:09:17,350 INFO L268 CegarLoopResult]: For program point L647-1(lines 647 651) no Hoare annotation was computed. [2020-09-21 12:09:17,351 INFO L268 CegarLoopResult]: For program point L642(line 642) no Hoare annotation was computed. [2020-09-21 12:09:17,351 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 400 406) the Hoare annotation is: true [2020-09-21 12:09:17,351 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 400 406) no Hoare annotation was computed. [2020-09-21 12:09:17,351 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 407 415) no Hoare annotation was computed. [2020-09-21 12:09:17,351 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 407 415) the Hoare annotation is: true [2020-09-21 12:09:17,351 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 407 415) no Hoare annotation was computed. [2020-09-21 12:09:17,352 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 358 380) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,352 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 358 380) no Hoare annotation was computed. [2020-09-21 12:09:17,352 INFO L264 CegarLoopResult]: At program point L370(line 370) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,352 INFO L264 CegarLoopResult]: At program point L370-1(line 370) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,352 INFO L268 CegarLoopResult]: For program point L368(lines 368 375) no Hoare annotation was computed. [2020-09-21 12:09:17,353 INFO L268 CegarLoopResult]: For program point L368-1(lines 368 375) no Hoare annotation was computed. [2020-09-21 12:09:17,353 INFO L268 CegarLoopResult]: For program point L366(line 366) no Hoare annotation was computed. [2020-09-21 12:09:17,353 INFO L264 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,353 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 358 380) no Hoare annotation was computed. [2020-09-21 12:09:17,353 INFO L264 CegarLoopResult]: At program point L364(line 364) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,353 INFO L264 CegarLoopResult]: At program point L364-1(line 364) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,354 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-09-21 12:09:17,354 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-09-21 12:09:17,354 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 312 335) no Hoare annotation was computed. [2020-09-21 12:09:17,354 INFO L268 CegarLoopResult]: For program point L319(line 319) no Hoare annotation was computed. [2020-09-21 12:09:17,354 INFO L268 CegarLoopResult]: For program point L318(line 318) no Hoare annotation was computed. [2020-09-21 12:09:17,354 INFO L268 CegarLoopResult]: For program point L317(line 317) no Hoare annotation was computed. [2020-09-21 12:09:17,354 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 312 335) no Hoare annotation was computed. [2020-09-21 12:09:17,354 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 312 335) no Hoare annotation was computed. [2020-09-21 12:09:17,355 INFO L268 CegarLoopResult]: For program point L330(line 330) no Hoare annotation was computed. [2020-09-21 12:09:17,355 INFO L268 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-09-21 12:09:17,355 INFO L268 CegarLoopResult]: For program point L328(line 328) no Hoare annotation was computed. [2020-09-21 12:09:17,355 INFO L268 CegarLoopResult]: For program point L327(line 327) no Hoare annotation was computed. [2020-09-21 12:09:17,355 INFO L268 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-09-21 12:09:17,355 INFO L268 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-09-21 12:09:17,355 INFO L268 CegarLoopResult]: For program point L324(line 324) no Hoare annotation was computed. [2020-09-21 12:09:17,355 INFO L268 CegarLoopResult]: For program point L323(line 323) no Hoare annotation was computed. [2020-09-21 12:09:17,356 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-09-21 12:09:17,356 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 138 146) no Hoare annotation was computed. [2020-09-21 12:09:17,356 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 138 146) the Hoare annotation is: true [2020-09-21 12:09:17,356 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 138 146) no Hoare annotation was computed. [2020-09-21 12:09:17,356 INFO L268 CegarLoopResult]: For program point L192(lines 192 196) no Hoare annotation was computed. [2020-09-21 12:09:17,356 INFO L271 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: true [2020-09-21 12:09:17,356 INFO L268 CegarLoopResult]: For program point L192-2(lines 192 196) no Hoare annotation was computed. [2020-09-21 12:09:17,356 INFO L268 CegarLoopResult]: For program point L190-1(line 190) no Hoare annotation was computed. [2020-09-21 12:09:17,357 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 183 201) the Hoare annotation is: true [2020-09-21 12:09:17,357 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 183 201) no Hoare annotation was computed. [2020-09-21 12:09:17,357 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 183 201) no Hoare annotation was computed. [2020-09-21 12:09:17,357 INFO L268 CegarLoopResult]: For program point L154(lines 154 162) no Hoare annotation was computed. [2020-09-21 12:09:17,357 INFO L268 CegarLoopResult]: For program point L154-2(lines 154 162) no Hoare annotation was computed. [2020-09-21 12:09:17,357 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-09-21 12:09:17,357 INFO L268 CegarLoopResult]: For program point L177-1(line 177) no Hoare annotation was computed. [2020-09-21 12:09:17,358 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 147 182) no Hoare annotation was computed. [2020-09-21 12:09:17,358 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 147 182) no Hoare annotation was computed. [2020-09-21 12:09:17,358 INFO L268 CegarLoopResult]: For program point L166(lines 166 174) no Hoare annotation was computed. [2020-09-21 12:09:17,358 INFO L268 CegarLoopResult]: For program point L166-2(lines 166 174) no Hoare annotation was computed. [2020-09-21 12:09:17,358 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 147 182) no Hoare annotation was computed. [2020-09-21 12:09:17,358 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 393 399) no Hoare annotation was computed. [2020-09-21 12:09:17,358 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 393 399) the Hoare annotation is: true [2020-09-21 12:09:17,359 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 513 558) no Hoare annotation was computed. [2020-09-21 12:09:17,359 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 513 558) no Hoare annotation was computed. [2020-09-21 12:09:17,359 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 513 558) no Hoare annotation was computed. [2020-09-21 12:09:17,359 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 826 871) no Hoare annotation was computed. [2020-09-21 12:09:17,359 INFO L268 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2020-09-21 12:09:17,359 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 826 871) no Hoare annotation was computed. [2020-09-21 12:09:17,359 INFO L268 CegarLoopResult]: For program point L840(lines 840 860) no Hoare annotation was computed. [2020-09-21 12:09:17,360 INFO L268 CegarLoopResult]: For program point L840-1(lines 840 860) no Hoare annotation was computed. [2020-09-21 12:09:17,360 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 826 871) no Hoare annotation was computed. [2020-09-21 12:09:17,360 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 344 354) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,360 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:17,360 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 344 354) no Hoare annotation was computed. [2020-09-21 12:09:17,360 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 344 354) no Hoare annotation was computed. [2020-09-21 12:09:17,360 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 127 137) no Hoare annotation was computed. [2020-09-21 12:09:17,361 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 127 137) no Hoare annotation was computed. [2020-09-21 12:09:17,361 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 127 137) no Hoare annotation was computed. [2020-09-21 12:09:17,361 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-09-21 12:09:17,361 INFO L268 CegarLoopResult]: For program point L132-1(line 132) no Hoare annotation was computed. [2020-09-21 12:09:17,361 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 119 126) the Hoare annotation is: true [2020-09-21 12:09:17,361 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 119 126) no Hoare annotation was computed. [2020-09-21 12:09:17,361 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 119 126) no Hoare annotation was computed. [2020-09-21 12:09:17,361 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,362 INFO L268 CegarLoopResult]: For program point L94(lines 94 102) no Hoare annotation was computed. [2020-09-21 12:09:17,362 INFO L264 CegarLoopResult]: At program point L92(line 92) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,362 INFO L268 CegarLoopResult]: For program point L92-1(line 92) no Hoare annotation was computed. [2020-09-21 12:09:17,362 INFO L268 CegarLoopResult]: For program point L90(lines 90 107) no Hoare annotation was computed. [2020-09-21 12:09:17,362 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 86 110) no Hoare annotation was computed. [2020-09-21 12:09:17,362 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 86 110) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,362 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,363 INFO L268 CegarLoopResult]: For program point L105-1(lines 86 110) no Hoare annotation was computed. [2020-09-21 12:09:17,363 INFO L264 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,363 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 78 84) no Hoare annotation was computed. [2020-09-21 12:09:17,363 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 78 84) the Hoare annotation is: true [2020-09-21 12:09:17,363 INFO L268 CegarLoopResult]: For program point L225(lines 224 271) no Hoare annotation was computed. [2020-09-21 12:09:17,363 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,364 INFO L264 CegarLoopResult]: At program point testENTRY(lines 214 279) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,364 INFO L268 CegarLoopResult]: For program point L254(lines 254 267) no Hoare annotation was computed. [2020-09-21 12:09:17,364 INFO L268 CegarLoopResult]: For program point testFINAL(lines 214 279) no Hoare annotation was computed. [2020-09-21 12:09:17,364 INFO L264 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,364 INFO L268 CegarLoopResult]: For program point L244(lines 244 250) no Hoare annotation was computed. [2020-09-21 12:09:17,364 INFO L268 CegarLoopResult]: For program point L244-1(lines 244 250) no Hoare annotation was computed. [2020-09-21 12:09:17,365 INFO L264 CegarLoopResult]: At program point L269(lines 224 271) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,365 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,365 INFO L268 CegarLoopResult]: For program point L234(lines 234 240) no Hoare annotation was computed. [2020-09-21 12:09:17,365 INFO L268 CegarLoopResult]: For program point L234-1(lines 234 240) no Hoare annotation was computed. [2020-09-21 12:09:17,365 INFO L268 CegarLoopResult]: For program point L226(lines 226 230) no Hoare annotation was computed. [2020-09-21 12:09:17,365 INFO L264 CegarLoopResult]: At program point L272(lines 223 273) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,365 INFO L268 CegarLoopResult]: For program point L262(lines 262 266) no Hoare annotation was computed. [2020-09-21 12:09:17,366 INFO L264 CegarLoopResult]: At program point L262-2(lines 254 267) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,366 INFO L268 CegarLoopResult]: For program point testEXIT(lines 214 279) no Hoare annotation was computed. [2020-09-21 12:09:17,366 INFO L268 CegarLoopResult]: For program point L800(lines 800 807) no Hoare annotation was computed. [2020-09-21 12:09:17,366 INFO L268 CegarLoopResult]: For program point L794(lines 794 814) no Hoare annotation was computed. [2020-09-21 12:09:17,366 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 780 825) no Hoare annotation was computed. [2020-09-21 12:09:17,366 INFO L268 CegarLoopResult]: For program point L794-1(lines 794 814) no Hoare annotation was computed. [2020-09-21 12:09:17,366 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 780 825) no Hoare annotation was computed. [2020-09-21 12:09:17,367 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 780 825) no Hoare annotation was computed. [2020-09-21 12:09:17,367 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 497 505) no Hoare annotation was computed. [2020-09-21 12:09:17,367 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 497 505) the Hoare annotation is: true [2020-09-21 12:09:17,367 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 497 505) no Hoare annotation was computed. [2020-09-21 12:09:17,367 INFO L268 CegarLoopResult]: For program point L896(lines 896 902) no Hoare annotation was computed. [2020-09-21 12:09:17,367 INFO L268 CegarLoopResult]: For program point L895(lines 895 905) no Hoare annotation was computed. [2020-09-21 12:09:17,367 INFO L264 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:17,368 INFO L268 CegarLoopResult]: For program point L893-1(line 893) no Hoare annotation was computed. [2020-09-21 12:09:17,368 INFO L268 CegarLoopResult]: For program point L891(lines 891 908) no Hoare annotation was computed. [2020-09-21 12:09:17,368 INFO L268 CegarLoopResult]: For program point L891-1(lines 883 911) no Hoare annotation was computed. [2020-09-21 12:09:17,368 INFO L264 CegarLoopResult]: At program point L889(line 889) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:17,368 INFO L268 CegarLoopResult]: For program point L889-1(line 889) no Hoare annotation was computed. [2020-09-21 12:09:17,368 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 883 911) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:17,369 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 883 911) no Hoare annotation was computed. [2020-09-21 12:09:17,369 INFO L264 CegarLoopResult]: At program point L898(line 898) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:09:17,369 INFO L268 CegarLoopResult]: For program point L473(lines 473 481) no Hoare annotation was computed. [2020-09-21 12:09:17,369 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 465 487) no Hoare annotation was computed. [2020-09-21 12:09:17,369 INFO L268 CegarLoopResult]: For program point L473-2(lines 473 481) no Hoare annotation was computed. [2020-09-21 12:09:17,369 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 465 487) no Hoare annotation was computed. [2020-09-21 12:09:17,369 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 465 487) no Hoare annotation was computed. [2020-09-21 12:09:17,370 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 875 882) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:17,370 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 875 882) no Hoare annotation was computed. [2020-09-21 12:09:17,370 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 875 882) no Hoare annotation was computed. [2020-09-21 12:09:17,370 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 383 392) no Hoare annotation was computed. [2020-09-21 12:09:17,370 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 383 392) no Hoare annotation was computed. [2020-09-21 12:09:17,370 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 383 392) no Hoare annotation was computed. [2020-09-21 12:09:17,371 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 677 779) no Hoare annotation was computed. [2020-09-21 12:09:17,371 INFO L268 CegarLoopResult]: For program point L766(lines 766 773) no Hoare annotation was computed. [2020-09-21 12:09:17,371 INFO L268 CegarLoopResult]: For program point L727(lines 726 746) no Hoare annotation was computed. [2020-09-21 12:09:17,371 INFO L268 CegarLoopResult]: For program point L758(line 758) no Hoare annotation was computed. [2020-09-21 12:09:17,371 INFO L268 CegarLoopResult]: For program point L758-1(line 758) no Hoare annotation was computed. [2020-09-21 12:09:17,371 INFO L268 CegarLoopResult]: For program point L723(lines 723 764) no Hoare annotation was computed. [2020-09-21 12:09:17,371 INFO L268 CegarLoopResult]: For program point L742(line 742) no Hoare annotation was computed. [2020-09-21 12:09:17,372 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 677 779) no Hoare annotation was computed. [2020-09-21 12:09:17,372 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-09-21 12:09:17,372 INFO L268 CegarLoopResult]: For program point L701(lines 701 705) no Hoare annotation was computed. [2020-09-21 12:09:17,372 INFO L268 CegarLoopResult]: For program point L765(lines 765 776) no Hoare annotation was computed. [2020-09-21 12:09:17,372 INFO L268 CegarLoopResult]: For program point L728(lines 728 732) no Hoare annotation was computed. [2020-09-21 12:09:17,372 INFO L268 CegarLoopResult]: For program point L726-2(lines 726 746) no Hoare annotation was computed. [2020-09-21 12:09:17,372 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 677 779) no Hoare annotation was computed. [2020-09-21 12:09:17,372 INFO L268 CegarLoopResult]: For program point L747(lines 725 748) no Hoare annotation was computed. [2020-09-21 12:09:17,373 INFO L268 CegarLoopResult]: For program point L706(lines 706 722) no Hoare annotation was computed. [2020-09-21 12:09:17,373 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:17,373 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:09:17,373 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:17,373 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 111 118) no Hoare annotation was computed. [2020-09-21 12:09:17,374 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 111 118) no Hoare annotation was computed. [2020-09-21 12:09:17,374 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 111 118) no Hoare annotation was computed. [2020-09-21 12:09:17,374 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 488 496) no Hoare annotation was computed. [2020-09-21 12:09:17,374 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 488 496) no Hoare annotation was computed. [2020-09-21 12:09:17,374 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 488 496) no Hoare annotation was computed. [2020-09-21 12:09:17,374 INFO L268 CegarLoopResult]: For program point L448-1(lines 444 455) no Hoare annotation was computed. [2020-09-21 12:09:17,374 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 444 455) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:09:17,375 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 444 455) no Hoare annotation was computed. [2020-09-21 12:09:17,375 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:17,375 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:09:17,375 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:17,375 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 456 464) the Hoare annotation is: true [2020-09-21 12:09:17,375 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 456 464) no Hoare annotation was computed. [2020-09-21 12:09:17,375 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 456 464) no Hoare annotation was computed. [2020-09-21 12:09:17,376 INFO L264 CegarLoopResult]: At program point L65(lines 65 71) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,376 INFO L264 CegarLoopResult]: At program point L60(line 60) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,376 INFO L268 CegarLoopResult]: For program point L58(lines 57 76) no Hoare annotation was computed. [2020-09-21 12:09:17,376 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 54 77) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,376 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 54 77) no Hoare annotation was computed. [2020-09-21 12:09:17,376 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 54 77) no Hoare annotation was computed. [2020-09-21 12:09:17,377 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:17,377 INFO L271 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: true [2020-09-21 12:09:17,377 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 282 311) no Hoare annotation was computed. [2020-09-21 12:09:17,377 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-09-21 12:09:17,377 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 282 311) the Hoare annotation is: true [2020-09-21 12:09:17,377 INFO L271 CegarLoopResult]: At program point L307(lines 282 311) the Hoare annotation is: true [2020-09-21 12:09:17,377 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-09-21 12:09:17,377 INFO L268 CegarLoopResult]: For program point L296(lines 296 300) no Hoare annotation was computed. [2020-09-21 12:09:17,378 INFO L271 CegarLoopResult]: At program point L296-1(lines 296 300) the Hoare annotation is: true [2020-09-21 12:09:17,378 INFO L268 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2020-09-21 12:09:17,378 INFO L271 CegarLoopResult]: At program point L292-2(lines 292 306) the Hoare annotation is: true [2020-09-21 12:09:17,378 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 420 431) the Hoare annotation is: true [2020-09-21 12:09:17,378 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 420 431) no Hoare annotation was computed. [2020-09-21 12:09:17,378 INFO L268 CegarLoopResult]: For program point L424-1(lines 420 431) no Hoare annotation was computed. [2020-09-21 12:09:17,378 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 336 342) no Hoare annotation was computed. [2020-09-21 12:09:17,379 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 336 342) the Hoare annotation is: true [2020-09-21 12:09:17,379 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:17,379 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 12:09:17,379 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:09:17,379 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:17,379 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 202 209) no Hoare annotation was computed. [2020-09-21 12:09:17,380 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 202 209) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-09-21 12:09:17,380 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 202 209) no Hoare annotation was computed. [2020-09-21 12:09:17,380 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 432 443) no Hoare annotation was computed. [2020-09-21 12:09:17,380 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 432 443) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:09:17,380 INFO L268 CegarLoopResult]: For program point L436-1(lines 432 443) no Hoare annotation was computed. [2020-09-21 12:09:17,380 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 913 920) no Hoare annotation was computed. [2020-09-21 12:09:17,380 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 917) no Hoare annotation was computed. [2020-09-21 12:09:17,381 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 913 920) the Hoare annotation is: true [2020-09-21 12:09:17,381 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 913 920) no Hoare annotation was computed. [2020-09-21 12:09:17,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:09:17 BoogieIcfgContainer [2020-09-21 12:09:17,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:09:17,403 INFO L168 Benchmark]: Toolchain (without parser) took 29518.18 ms. Allocated memory was 136.3 MB in the beginning and 578.8 MB in the end (delta: 442.5 MB). Free memory was 98.3 MB in the beginning and 417.9 MB in the end (delta: -319.6 MB). Peak memory consumption was 422.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:17,404 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 136.3 MB. Free memory was 117.8 MB in the beginning and 117.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:09:17,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.27 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 97.7 MB in the beginning and 169.7 MB in the end (delta: -72.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:17,405 INFO L168 Benchmark]: Boogie Preprocessor took 105.78 ms. Allocated memory is still 200.3 MB. Free memory was 169.7 MB in the beginning and 165.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:17,406 INFO L168 Benchmark]: RCFGBuilder took 1383.69 ms. Allocated memory was 200.3 MB in the beginning and 227.5 MB in the end (delta: 27.3 MB). Free memory was 165.3 MB in the beginning and 198.4 MB in the end (delta: -33.2 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:17,407 INFO L168 Benchmark]: TraceAbstraction took 27233.97 ms. Allocated memory was 227.5 MB in the beginning and 578.8 MB in the end (delta: 351.3 MB). Free memory was 198.4 MB in the beginning and 417.9 MB in the end (delta: -219.4 MB). Peak memory consumption was 431.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:17,412 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 136.3 MB. Free memory was 117.8 MB in the beginning and 117.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 785.27 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 97.7 MB in the beginning and 169.7 MB in the end (delta: -72.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.78 ms. Allocated memory is still 200.3 MB. Free memory was 169.7 MB in the beginning and 165.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1383.69 ms. Allocated memory was 200.3 MB in the beginning and 227.5 MB in the end (delta: 27.3 MB). Free memory was 165.3 MB in the beginning and 198.4 MB in the end (delta: -33.2 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27233.97 ms. Allocated memory was 227.5 MB in the beginning and 578.8 MB in the end (delta: 351.3 MB). Free memory was 198.4 MB in the beginning and 417.9 MB in the end (delta: -219.4 MB). Peak memory consumption was 431.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 917]: 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: 223]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || ((splverifierCounter <= 0 && 1 == systemActive) && pumpRunning == 0)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 223 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 357 SDtfs, 471 SDslu, 180 SDs, 0 SdLazy, 752 SolverSat, 324 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred 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, 4 MinimizatonAttempts, 91 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 178 PreInvPairs, 198 NumberOfFragments, 743 HoareAnnotationTreeSize, 178 FomulaSimplifications, 18008 FormulaSimplificationTreeSizeReduction, 8.5s HoareSimplificationTime, 53 FomulaSimplificationsInter, 5679 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 60581 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...