/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_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:08:27,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:08:27,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:08:27,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:08:27,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:08:27,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:08:27,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:08:27,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:08:27,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:08:27,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:08:27,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:08:27,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:08:27,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:08:27,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:08:27,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:08:27,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:08:27,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:08:27,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:08:27,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:08:27,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:08:27,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:08:27,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:08:27,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:08:27,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:08:27,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:08:27,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:08:27,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:08:27,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:08:27,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:08:27,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:08:27,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:08:27,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:08:27,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:08:27,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:08:27,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:08:27,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:08:27,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:08:27,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:08:27,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:08:27,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:08:27,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:08:27,188 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 12:08:27,214 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:08:27,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:08:27,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:08:27,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:08:27,216 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:08:27,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:08:27,217 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:08:27,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:08:27,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:08:27,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:08:27,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:08:27,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:08:27,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:08:27,218 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:08:27,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:08:27,219 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:08:27,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:08:27,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:08:27,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:08:27,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:08:27,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:08:27,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:08:27,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:08:27,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:08:27,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:08:27,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:08:27,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:08:27,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:08:27,221 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:08:27,221 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 12:08:27,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:08:27,686 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:08:27,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:08:27,693 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:08:27,695 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:08:27,696 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product10.cil.c [2020-09-21 12:08:27,791 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef341da34/edc7931d8530467489dc4c4f621a3342/FLAG1fa919ad7 [2020-09-21 12:08:28,417 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:08:28,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product10.cil.c [2020-09-21 12:08:28,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef341da34/edc7931d8530467489dc4c4f621a3342/FLAG1fa919ad7 [2020-09-21 12:08:28,723 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef341da34/edc7931d8530467489dc4c4f621a3342 [2020-09-21 12:08:28,738 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:08:28,744 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:08:28,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:08:28,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:08:28,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:08:28,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:08:28" (1/1) ... [2020-09-21 12:08:28,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2356d200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:28, skipping insertion in model container [2020-09-21 12:08:28,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:08:28" (1/1) ... [2020-09-21 12:08:28,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:08:28,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:08:29,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:08:29,272 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:08:29,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:08:29,394 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:08:29,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:29 WrapperNode [2020-09-21 12:08:29,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:08:29,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:08:29,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:08:29,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:08:29,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:29" (1/1) ... [2020-09-21 12:08:29,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:29" (1/1) ... [2020-09-21 12:08:29,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:29" (1/1) ... [2020-09-21 12:08:29,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:29" (1/1) ... [2020-09-21 12:08:29,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:29" (1/1) ... [2020-09-21 12:08:29,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:29" (1/1) ... [2020-09-21 12:08:29,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:29" (1/1) ... [2020-09-21 12:08:29,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:08:29,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:08:29,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:08:29,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:08:29,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:29" (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 12:08:29,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:08:29,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:08:29,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:08:29,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:08:29,570 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:08:29,570 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:08:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:08:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:08:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:08:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:08:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:08:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:08:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:08:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:08:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:08:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:08:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:08:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:08:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:08:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:08:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:08:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:08:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:08:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 12:08:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:08:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:08:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:08:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:08:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:08:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:08:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:08:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:08:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:08:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:08:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:08:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:08:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:08:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:08:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:08:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:08:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:08:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:08:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:08:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:08:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:08:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:08:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:08:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:08:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:08:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:08:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:08:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:08:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:08:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:08:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:08:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:08:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:08:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:08:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:08:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:08:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:08:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:08:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:08:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:08:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:08:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:08:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:08:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:08:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:08:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:08:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:08:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:08:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:08:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:08:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:08:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:08:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:08:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:08:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 12:08:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:08:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:08:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:08:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:08:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:08:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:08:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:08:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:08:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:08:30,678 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:08:30,679 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:08:30,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:08:30 BoogieIcfgContainer [2020-09-21 12:08:30,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:08:30,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:08:30,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:08:30,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:08:30,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:08:28" (1/3) ... [2020-09-21 12:08:30,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b754ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:08:30, skipping insertion in model container [2020-09-21 12:08:30,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:29" (2/3) ... [2020-09-21 12:08:30,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b754ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:08:30, skipping insertion in model container [2020-09-21 12:08:30,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:08:30" (3/3) ... [2020-09-21 12:08:30,694 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product10.cil.c [2020-09-21 12:08:30,706 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:08:30,717 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:08:30,740 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:08:30,771 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:08:30,771 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:08:30,771 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:08:30,771 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:08:30,772 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:08:30,772 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:08:30,772 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:08:30,772 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:08:30,799 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2020-09-21 12:08:30,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:08:30,809 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:30,810 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 12:08:30,810 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:30,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:30,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1568761122, now seen corresponding path program 1 times [2020-09-21 12:08:30,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:30,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1476746280] [2020-09-21 12:08:30,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:31,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:31,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:08:32,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:32,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1035 [2020-09-21 12:08:32,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:32,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:08:32,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:32,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:08:32,706 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:32,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:32,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-21 12:08:32,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:32,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:32,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:32,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:32,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:32,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:32,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:32,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:32,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:32,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:32,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:32,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:32,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:32,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:32,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:32,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:32,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:32,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:32,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:32,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:32,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:32,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:32,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:32,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:32,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:32,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:32,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:32,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:32,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:32,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:32,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:32,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:32,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:32,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:08:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:32,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:32,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:32,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:32,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:32,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:32,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:08:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:32,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:32,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:32,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:32,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:32,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:32,903 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 12:08:32,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1476746280] [2020-09-21 12:08:32,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:32,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:08:32,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658810547] [2020-09-21 12:08:32,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:08:32,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:32,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:08:32,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:08:32,936 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 4 states. [2020-09-21 12:08:33,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:33,847 INFO L93 Difference]: Finished difference Result 208 states and 279 transitions. [2020-09-21 12:08:33,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:08:33,850 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:08:33,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:33,866 INFO L225 Difference]: With dead ends: 208 [2020-09-21 12:08:33,866 INFO L226 Difference]: Without dead ends: 119 [2020-09-21 12:08:33,871 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:08:33,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-09-21 12:08:33,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 90. [2020-09-21 12:08:33,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-09-21 12:08:33,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2020-09-21 12:08:33,957 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 51 [2020-09-21 12:08:33,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:33,958 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2020-09-21 12:08:33,958 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:08:33,958 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2020-09-21 12:08:33,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:08:33,962 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:33,962 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 12:08:33,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:08:33,962 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:33,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:33,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1581025708, now seen corresponding path program 1 times [2020-09-21 12:08:33,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:33,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [548996912] [2020-09-21 12:08:33,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:34,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:34,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:35,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:35,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:08:35,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:35,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1009 [2020-09-21 12:08:35,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:35,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:35,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:08:35,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:08:35,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:35,475 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:35,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:35,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:35,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:35,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:35,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:35,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-21 12:08:35,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:35,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:35,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:35,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:35,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:35,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:35,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:35,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:35,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:35,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:35,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:35,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:35,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:35,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:35,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:35,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:35,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:35,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:35,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:35,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:35,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:35,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:35,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:35,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:35,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:35,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:35,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:35,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:35,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:35,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:35,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:35,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:35,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:35,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:35,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:35,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:35,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:35,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:35,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:35,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:35,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:35,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:35,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:35,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:35,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:35,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:35,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:35,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:35,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:35,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:35,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:35,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:35,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:35,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:35,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:35,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:35,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:08:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:35,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:35,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:35,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:35,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:35,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:35,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:35,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:35,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:35,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:35,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:35,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:08:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:35,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:35,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:35,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:35,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:35,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:35,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:35,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:35,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:35,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:35,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:35,665 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 12:08:35,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [548996912] [2020-09-21 12:08:35,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:35,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:08:35,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498825796] [2020-09-21 12:08:35,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:08:35,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:35,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:08:35,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:08:35,670 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 5 states. [2020-09-21 12:08:36,232 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:36,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:36,998 INFO L93 Difference]: Finished difference Result 149 states and 186 transitions. [2020-09-21 12:08:36,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:08:36,998 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 12:08:36,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:37,000 INFO L225 Difference]: With dead ends: 149 [2020-09-21 12:08:37,001 INFO L226 Difference]: Without dead ends: 109 [2020-09-21 12:08:37,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:08:37,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-09-21 12:08:37,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2020-09-21 12:08:37,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-09-21 12:08:37,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2020-09-21 12:08:37,051 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 52 [2020-09-21 12:08:37,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:37,052 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2020-09-21 12:08:37,052 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:08:37,052 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2020-09-21 12:08:37,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 12:08:37,062 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:37,062 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 12:08:37,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:08:37,063 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:37,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:37,063 INFO L82 PathProgramCache]: Analyzing trace with hash -409908338, now seen corresponding path program 1 times [2020-09-21 12:08:37,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:37,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1797643632] [2020-09-21 12:08:37,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:37,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:37,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:38,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:38,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 12:08:38,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:38,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1038 [2020-09-21 12:08:38,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:38,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:08:38,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:38,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 12:08:38,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:38,597 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:38,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:38,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:38,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:38,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:38,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:38,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-21 12:08:38,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:38,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:38,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:38,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:08:38,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:38,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:38,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:38,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:38,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:38,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:38,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:38,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:38,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:38,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:38,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:38,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:38,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:38,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:38,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:38,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:38,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:38,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:38,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:38,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:38,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:38,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:38,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:38,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:38,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:38,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:38,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:38,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:38,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:38,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:38,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:38,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:38,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:38,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:38,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:38,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:38,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:38,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:38,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:38,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:38,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:38,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:38,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:38,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:38,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:38,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:38,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:38,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:38,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:38,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:38,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:38,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:38,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:38,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:08:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:38,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:38,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:38,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:38,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:38,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:38,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:38,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:38,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:38,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:38,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:38,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 12:08:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:38,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:38,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:38,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:38,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:38,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:38,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:38,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:38,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:38,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:38,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:38,837 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 12:08:38,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1797643632] [2020-09-21 12:08:38,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:38,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:08:38,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538373023] [2020-09-21 12:08:38,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:08:38,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:38,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:08:38,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:08:38,840 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 5 states. [2020-09-21 12:08:39,186 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:08:39,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:39,801 INFO L93 Difference]: Finished difference Result 162 states and 205 transitions. [2020-09-21 12:08:39,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:08:39,802 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-09-21 12:08:39,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:39,803 INFO L225 Difference]: With dead ends: 162 [2020-09-21 12:08:39,804 INFO L226 Difference]: Without dead ends: 109 [2020-09-21 12:08:39,806 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:08:39,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-09-21 12:08:39,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2020-09-21 12:08:39,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-09-21 12:08:39,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 91 transitions. [2020-09-21 12:08:39,837 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 91 transitions. Word has length 57 [2020-09-21 12:08:39,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:39,838 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 91 transitions. [2020-09-21 12:08:39,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:08:39,838 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2020-09-21 12:08:39,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 12:08:39,839 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:39,839 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] [2020-09-21 12:08:39,840 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:08:39,840 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:39,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:39,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1254648935, now seen corresponding path program 1 times [2020-09-21 12:08:39,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:39,841 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1753650201] [2020-09-21 12:08:39,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:39,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:40,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:40,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:40,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:40,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-21 12:08:40,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:08:40,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1012 [2020-09-21 12:08:40,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:40,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:08:40,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-09-21 12:08:40,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-21 12:08:40,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:41,238 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:41,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:41,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:41,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:41,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:41,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:41,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 12:08:41,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:41,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:41,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:41,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:41,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:41,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:41,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:41,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:41,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:41,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:41,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:41,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:41,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:41,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:41,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:41,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:41,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:41,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:41,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:41,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:41,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:41,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:08:41,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:41,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:41,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:41,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:41,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:41,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:41,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:41,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:41,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:41,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:41,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:41,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:41,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:41,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:41,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:41,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:41,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:41,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:41,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:41,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:41,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:41,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:41,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:41,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:41,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:41,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:41,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:41,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:41,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:41,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:41,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:41,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:41,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:41,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:41,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:41,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:41,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:41,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:41,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 12:08:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:41,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:41,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:41,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:41,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:41,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:08:41,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:41,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:41,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:41,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:41,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:41,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 12:08:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:41,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:41,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:41,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:41,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:41,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:08:41,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:41,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:41,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:41,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:41,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:41,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 12:08:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:41,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:41,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:41,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:41,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:41,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:08:41,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:41,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:08:41,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:41,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:41,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:41,434 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 12:08:41,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1753650201] [2020-09-21 12:08:41,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:41,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:08:41,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788434950] [2020-09-21 12:08:41,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:08:41,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:41,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:08:41,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:08:41,438 INFO L87 Difference]: Start difference. First operand 81 states and 91 transitions. Second operand 8 states. [2020-09-21 12:08:41,863 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:42,724 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:43,028 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:08:43,378 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 12:08:43,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:43,609 INFO L93 Difference]: Finished difference Result 151 states and 189 transitions. [2020-09-21 12:08:43,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:08:43,609 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-09-21 12:08:43,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:43,611 INFO L225 Difference]: With dead ends: 151 [2020-09-21 12:08:43,611 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:08:43,613 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-09-21 12:08:43,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:08:43,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:08:43,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:08:43,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:08:43,614 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2020-09-21 12:08:43,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:43,614 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:08:43,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:08:43,614 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:08:43,614 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:08:43,615 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:08:43,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:08:43,810 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:43,993 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:44,172 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:44,345 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:44,519 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:44,726 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 11 [2020-09-21 12:08:44,904 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:45,177 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 87 [2020-09-21 12:08:45,348 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:45,514 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:45,675 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:45,838 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:46,000 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:46,160 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:46,320 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:46,474 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:46,640 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:46,857 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 87 [2020-09-21 12:08:47,016 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:47,177 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:47,335 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:47,492 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:47,652 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:47,810 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:47,967 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:48,136 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:48,295 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 11 [2020-09-21 12:08:48,455 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:48,810 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 192 [2020-09-21 12:08:49,164 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 192 [2020-09-21 12:08:49,515 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 192 [2020-09-21 12:08:49,673 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:49,833 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:49,993 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:50,206 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 87 [2020-09-21 12:08:50,573 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 192 [2020-09-21 12:08:50,929 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 192 [2020-09-21 12:08:51,281 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 192 [2020-09-21 12:08:51,444 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:51,612 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:51,772 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:51,930 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:52,148 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:08:52,402 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:08:52,650 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:08:52,892 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:08:53,167 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 14 [2020-09-21 12:08:53,461 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 14 [2020-09-21 12:08:53,699 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:08:53,947 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:08:54,192 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:08:54,418 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 13 [2020-09-21 12:08:54,696 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:55,017 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-09-21 12:08:55,249 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 14 [2020-09-21 12:08:55,514 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-09-21 12:08:55,732 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 14 [2020-09-21 12:08:56,033 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-09-21 12:08:56,234 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 14 [2020-09-21 12:08:56,470 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:08:56,716 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 14 [2020-09-21 12:08:56,721 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-09-21 12:08:56,721 INFO L268 CegarLoopResult]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2020-09-21 12:08:56,722 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-09-21 12:08:56,722 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 187 242) no Hoare annotation was computed. [2020-09-21 12:08:56,722 INFO L268 CegarLoopResult]: For program point L212-2(lines 212 233) no Hoare annotation was computed. [2020-09-21 12:08:56,722 INFO L268 CegarLoopResult]: For program point L234(lines 211 235) no Hoare annotation was computed. [2020-09-21 12:08:56,722 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 187 242) no Hoare annotation was computed. [2020-09-21 12:08:56,722 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 187 242) no Hoare annotation was computed. [2020-09-21 12:08:56,722 INFO L268 CegarLoopResult]: For program point L288(line 288) no Hoare annotation was computed. [2020-09-21 12:08:56,722 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-09-21 12:08:56,723 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 243 302) no Hoare annotation was computed. [2020-09-21 12:08:56,723 INFO L268 CegarLoopResult]: For program point L275(lines 275 279) no Hoare annotation was computed. [2020-09-21 12:08:56,723 INFO L268 CegarLoopResult]: For program point L275-1(lines 275 279) no Hoare annotation was computed. [2020-09-21 12:08:56,723 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 243 302) no Hoare annotation was computed. [2020-09-21 12:08:56,723 INFO L268 CegarLoopResult]: For program point L270(line 270) no Hoare annotation was computed. [2020-09-21 12:08:56,723 INFO L268 CegarLoopResult]: For program point L269-2(lines 269 294) no Hoare annotation was computed. [2020-09-21 12:08:56,723 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 243 302) no Hoare annotation was computed. [2020-09-21 12:08:56,723 INFO L268 CegarLoopResult]: For program point L295(lines 268 296) no Hoare annotation was computed. [2020-09-21 12:08:56,724 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 522 528) the Hoare annotation is: true [2020-09-21 12:08:56,724 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 522 528) no Hoare annotation was computed. [2020-09-21 12:08:56,724 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 529 537) no Hoare annotation was computed. [2020-09-21 12:08:56,724 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 529 537) the Hoare annotation is: true [2020-09-21 12:08:56,724 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 529 537) no Hoare annotation was computed. [2020-09-21 12:08:56,724 INFO L264 CegarLoopResult]: At program point L865(line 865) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,724 INFO L264 CegarLoopResult]: At program point L865-1(line 865) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,725 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 859 881) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,725 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 859 881) no Hoare annotation was computed. [2020-09-21 12:08:56,725 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 859 881) no Hoare annotation was computed. [2020-09-21 12:08:56,725 INFO L264 CegarLoopResult]: At program point L871(line 871) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,725 INFO L264 CegarLoopResult]: At program point L871-1(line 871) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,726 INFO L268 CegarLoopResult]: For program point L869(lines 869 876) no Hoare annotation was computed. [2020-09-21 12:08:56,726 INFO L268 CegarLoopResult]: For program point L869-1(lines 869 876) no Hoare annotation was computed. [2020-09-21 12:08:56,726 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-09-21 12:08:56,726 INFO L264 CegarLoopResult]: At program point L866(line 866) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,726 INFO L268 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-09-21 12:08:56,726 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-09-21 12:08:56,726 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 817 840) no Hoare annotation was computed. [2020-09-21 12:08:56,727 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-09-21 12:08:56,727 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-09-21 12:08:56,727 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-09-21 12:08:56,727 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 817 840) no Hoare annotation was computed. [2020-09-21 12:08:56,727 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-09-21 12:08:56,727 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 817 840) no Hoare annotation was computed. [2020-09-21 12:08:56,727 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-09-21 12:08:56,727 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-09-21 12:08:56,727 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-09-21 12:08:56,728 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-09-21 12:08:56,728 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-09-21 12:08:56,728 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-09-21 12:08:56,728 INFO L268 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-09-21 12:08:56,728 INFO L268 CegarLoopResult]: For program point L834(line 834) no Hoare annotation was computed. [2020-09-21 12:08:56,728 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 648 655) no Hoare annotation was computed. [2020-09-21 12:08:56,728 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 648 655) no Hoare annotation was computed. [2020-09-21 12:08:56,729 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 648 655) no Hoare annotation was computed. [2020-09-21 12:08:56,729 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 693 701) no Hoare annotation was computed. [2020-09-21 12:08:56,729 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 693 701) the Hoare annotation is: true [2020-09-21 12:08:56,729 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 693 701) no Hoare annotation was computed. [2020-09-21 12:08:56,729 INFO L268 CegarLoopResult]: For program point L732(line 732) no Hoare annotation was computed. [2020-09-21 12:08:56,729 INFO L268 CegarLoopResult]: For program point L732-1(line 732) no Hoare annotation was computed. [2020-09-21 12:08:56,729 INFO L268 CegarLoopResult]: For program point L721(lines 721 729) no Hoare annotation was computed. [2020-09-21 12:08:56,730 INFO L268 CegarLoopResult]: For program point L721-2(lines 721 729) no Hoare annotation was computed. [2020-09-21 12:08:56,730 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 702 737) no Hoare annotation was computed. [2020-09-21 12:08:56,730 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 702 737) no Hoare annotation was computed. [2020-09-21 12:08:56,730 INFO L268 CegarLoopResult]: For program point L709(lines 709 717) no Hoare annotation was computed. [2020-09-21 12:08:56,730 INFO L268 CegarLoopResult]: For program point L709-2(lines 709 717) no Hoare annotation was computed. [2020-09-21 12:08:56,730 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 702 737) no Hoare annotation was computed. [2020-09-21 12:08:56,730 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 515 521) no Hoare annotation was computed. [2020-09-21 12:08:56,730 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 515 521) the Hoare annotation is: true [2020-09-21 12:08:56,731 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 141 186) no Hoare annotation was computed. [2020-09-21 12:08:56,731 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 141 186) no Hoare annotation was computed. [2020-09-21 12:08:56,731 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 141 186) no Hoare annotation was computed. [2020-09-21 12:08:56,731 INFO L268 CegarLoopResult]: For program point L474(lines 474 481) no Hoare annotation was computed. [2020-09-21 12:08:56,731 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 454 499) no Hoare annotation was computed. [2020-09-21 12:08:56,731 INFO L268 CegarLoopResult]: For program point L468(lines 468 488) no Hoare annotation was computed. [2020-09-21 12:08:56,731 INFO L268 CegarLoopResult]: For program point L468-1(lines 468 488) no Hoare annotation was computed. [2020-09-21 12:08:56,731 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 454 499) no Hoare annotation was computed. [2020-09-21 12:08:56,732 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 454 499) no Hoare annotation was computed. [2020-09-21 12:08:56,732 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 848 858) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,732 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 848 858) no Hoare annotation was computed. [2020-09-21 12:08:56,732 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 848 858) no Hoare annotation was computed. [2020-09-21 12:08:56,732 INFO L264 CegarLoopResult]: At program point L853(line 853) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 ~pumpRunning~0)) (= 1 ~systemActive~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,732 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 682 692) no Hoare annotation was computed. [2020-09-21 12:08:56,732 INFO L268 CegarLoopResult]: For program point L687(line 687) no Hoare annotation was computed. [2020-09-21 12:08:56,733 INFO L268 CegarLoopResult]: For program point L687-1(line 687) no Hoare annotation was computed. [2020-09-21 12:08:56,733 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 682 692) no Hoare annotation was computed. [2020-09-21 12:08:56,733 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 682 692) no Hoare annotation was computed. [2020-09-21 12:08:56,733 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 674 681) no Hoare annotation was computed. [2020-09-21 12:08:56,733 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 674 681) no Hoare annotation was computed. [2020-09-21 12:08:56,733 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 674 681) no Hoare annotation was computed. [2020-09-21 12:08:56,733 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 641 647) no Hoare annotation was computed. [2020-09-21 12:08:56,733 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 641 647) the Hoare annotation is: true [2020-09-21 12:08:56,734 INFO L264 CegarLoopResult]: At program point testENTRY(lines 542 607) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,734 INFO L264 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0)) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,734 INFO L268 CegarLoopResult]: For program point L572(lines 572 578) no Hoare annotation was computed. [2020-09-21 12:08:56,734 INFO L268 CegarLoopResult]: For program point L572-1(lines 572 578) no Hoare annotation was computed. [2020-09-21 12:08:56,734 INFO L268 CegarLoopResult]: For program point testFINAL(lines 542 607) no Hoare annotation was computed. [2020-09-21 12:08:56,734 INFO L264 CegarLoopResult]: At program point L597(lines 552 599) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0)) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,734 INFO L264 CegarLoopResult]: At program point L564(line 564) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0)) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,735 INFO L268 CegarLoopResult]: For program point L562(lines 562 568) no Hoare annotation was computed. [2020-09-21 12:08:56,735 INFO L268 CegarLoopResult]: For program point L562-1(lines 562 568) no Hoare annotation was computed. [2020-09-21 12:08:56,735 INFO L268 CegarLoopResult]: For program point L554(lines 554 558) no Hoare annotation was computed. [2020-09-21 12:08:56,735 INFO L264 CegarLoopResult]: At program point L600(lines 551 601) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0))) [2020-09-21 12:08:56,735 INFO L268 CegarLoopResult]: For program point L590(lines 590 594) no Hoare annotation was computed. [2020-09-21 12:08:56,735 INFO L264 CegarLoopResult]: At program point L590-2(lines 582 595) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0)) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,735 INFO L268 CegarLoopResult]: For program point L553(lines 552 599) no Hoare annotation was computed. [2020-09-21 12:08:56,736 INFO L264 CegarLoopResult]: At program point L584(line 584) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0)) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,736 INFO L268 CegarLoopResult]: For program point L582(lines 582 595) no Hoare annotation was computed. [2020-09-21 12:08:56,736 INFO L268 CegarLoopResult]: For program point testEXIT(lines 542 607) no Hoare annotation was computed. [2020-09-21 12:08:56,736 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 408 453) no Hoare annotation was computed. [2020-09-21 12:08:56,736 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 408 453) no Hoare annotation was computed. [2020-09-21 12:08:56,736 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 408 453) no Hoare annotation was computed. [2020-09-21 12:08:56,736 INFO L268 CegarLoopResult]: For program point L428(lines 428 435) no Hoare annotation was computed. [2020-09-21 12:08:56,736 INFO L268 CegarLoopResult]: For program point L422(lines 422 442) no Hoare annotation was computed. [2020-09-21 12:08:56,736 INFO L268 CegarLoopResult]: For program point L422-1(lines 422 442) no Hoare annotation was computed. [2020-09-21 12:08:56,737 INFO L268 CegarLoopResult]: For program point L769(lines 769 775) no Hoare annotation was computed. [2020-09-21 12:08:56,737 INFO L268 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-09-21 12:08:56,737 INFO L264 CegarLoopResult]: At program point L766(line 766) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,737 INFO L268 CegarLoopResult]: For program point L766-1(line 766) no Hoare annotation was computed. [2020-09-21 12:08:56,737 INFO L268 CegarLoopResult]: For program point L764(lines 764 781) no Hoare annotation was computed. [2020-09-21 12:08:56,737 INFO L268 CegarLoopResult]: For program point L764-1(lines 756 784) no Hoare annotation was computed. [2020-09-21 12:08:56,737 INFO L264 CegarLoopResult]: At program point L762(line 762) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,738 INFO L268 CegarLoopResult]: For program point L762-1(line 762) no Hoare annotation was computed. [2020-09-21 12:08:56,738 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 756 784) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,738 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 756 784) no Hoare annotation was computed. [2020-09-21 12:08:56,738 INFO L264 CegarLoopResult]: At program point L771(line 771) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0))) [2020-09-21 12:08:56,738 INFO L268 CegarLoopResult]: For program point L110(lines 110 118) no Hoare annotation was computed. [2020-09-21 12:08:56,738 INFO L268 CegarLoopResult]: For program point L110-2(lines 110 118) no Hoare annotation was computed. [2020-09-21 12:08:56,738 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 102 124) no Hoare annotation was computed. [2020-09-21 12:08:56,738 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 102 124) no Hoare annotation was computed. [2020-09-21 12:08:56,739 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 102 124) no Hoare annotation was computed. [2020-09-21 12:08:56,739 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 748 755) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,739 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 748 755) no Hoare annotation was computed. [2020-09-21 12:08:56,739 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 748 755) no Hoare annotation was computed. [2020-09-21 12:08:56,739 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-09-21 12:08:56,739 INFO L268 CegarLoopResult]: For program point L351(lines 351 392) no Hoare annotation was computed. [2020-09-21 12:08:56,739 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 305 407) no Hoare annotation was computed. [2020-09-21 12:08:56,739 INFO L268 CegarLoopResult]: For program point L370(line 370) no Hoare annotation was computed. [2020-09-21 12:08:56,740 INFO L268 CegarLoopResult]: For program point L370-1(line 370) no Hoare annotation was computed. [2020-09-21 12:08:56,740 INFO L268 CegarLoopResult]: For program point L329(lines 329 333) no Hoare annotation was computed. [2020-09-21 12:08:56,740 INFO L268 CegarLoopResult]: For program point L393(lines 393 404) no Hoare annotation was computed. [2020-09-21 12:08:56,740 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 305 407) no Hoare annotation was computed. [2020-09-21 12:08:56,740 INFO L268 CegarLoopResult]: For program point L356(lines 356 360) no Hoare annotation was computed. [2020-09-21 12:08:56,740 INFO L268 CegarLoopResult]: For program point L354-2(lines 354 374) no Hoare annotation was computed. [2020-09-21 12:08:56,740 INFO L268 CegarLoopResult]: For program point L375(lines 353 376) no Hoare annotation was computed. [2020-09-21 12:08:56,740 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 305 407) no Hoare annotation was computed. [2020-09-21 12:08:56,741 INFO L268 CegarLoopResult]: For program point L334(lines 334 350) no Hoare annotation was computed. [2020-09-21 12:08:56,741 INFO L268 CegarLoopResult]: For program point L394(lines 394 401) no Hoare annotation was computed. [2020-09-21 12:08:56,741 INFO L268 CegarLoopResult]: For program point L355(lines 354 374) no Hoare annotation was computed. [2020-09-21 12:08:56,741 INFO L268 CegarLoopResult]: For program point L386(line 386) no Hoare annotation was computed. [2020-09-21 12:08:56,741 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 505 514) no Hoare annotation was computed. [2020-09-21 12:08:56,741 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 505 514) no Hoare annotation was computed. [2020-09-21 12:08:56,741 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 505 514) no Hoare annotation was computed. [2020-09-21 12:08:56,742 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:08:56,742 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~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.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~string42.base| |old(#t~string42.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string38.offset| |old(#t~string38.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~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-09-21 12:08:56,742 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:08:56,742 INFO L268 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2020-09-21 12:08:56,742 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 657 673) no Hoare annotation was computed. [2020-09-21 12:08:56,743 INFO L268 CegarLoopResult]: For program point L668-1(lines 657 673) no Hoare annotation was computed. [2020-09-21 12:08:56,743 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 657 673) no Hoare annotation was computed. [2020-09-21 12:08:56,743 INFO L268 CegarLoopResult]: For program point L664(lines 664 670) no Hoare annotation was computed. [2020-09-21 12:08:56,743 INFO L268 CegarLoopResult]: For program point L662(line 662) no Hoare annotation was computed. [2020-09-21 12:08:56,743 INFO L268 CegarLoopResult]: For program point L662-1(line 662) no Hoare annotation was computed. [2020-09-21 12:08:56,743 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 125 133) no Hoare annotation was computed. [2020-09-21 12:08:56,743 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 125 133) no Hoare annotation was computed. [2020-09-21 12:08:56,743 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 125 133) no Hoare annotation was computed. [2020-09-21 12:08:56,744 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 81 92) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,744 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 81 92) no Hoare annotation was computed. [2020-09-21 12:08:56,744 INFO L268 CegarLoopResult]: For program point L85-1(lines 81 92) no Hoare annotation was computed. [2020-09-21 12:08:56,744 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:08:56,744 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:08:56,744 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:08:56,744 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 93 101) the Hoare annotation is: true [2020-09-21 12:08:56,744 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 93 101) no Hoare annotation was computed. [2020-09-21 12:08:56,744 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 93 101) no Hoare annotation was computed. [2020-09-21 12:08:56,745 INFO L264 CegarLoopResult]: At program point L630(line 630) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,745 INFO L264 CegarLoopResult]: At program point L628(lines 628 634) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,745 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 617 640) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,745 INFO L264 CegarLoopResult]: At program point L623(line 623) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0))) [2020-09-21 12:08:56,745 INFO L268 CegarLoopResult]: For program point L621(lines 620 639) no Hoare annotation was computed. [2020-09-21 12:08:56,745 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 617 640) no Hoare annotation was computed. [2020-09-21 12:08:56,745 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 617 640) no Hoare annotation was computed. [2020-09-21 12:08:56,746 INFO L268 CegarLoopResult]: For program point L801(lines 801 805) no Hoare annotation was computed. [2020-09-21 12:08:56,746 INFO L271 CegarLoopResult]: At program point L801-1(lines 801 805) the Hoare annotation is: true [2020-09-21 12:08:56,746 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 787 816) no Hoare annotation was computed. [2020-09-21 12:08:56,746 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-09-21 12:08:56,746 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 787 816) the Hoare annotation is: true [2020-09-21 12:08:56,746 INFO L271 CegarLoopResult]: At program point L797-2(lines 797 811) the Hoare annotation is: true [2020-09-21 12:08:56,746 INFO L271 CegarLoopResult]: At program point L793(line 793) the Hoare annotation is: true [2020-09-21 12:08:56,746 INFO L268 CegarLoopResult]: For program point L793-1(line 793) no Hoare annotation was computed. [2020-09-21 12:08:56,747 INFO L271 CegarLoopResult]: At program point L812(lines 787 816) the Hoare annotation is: true [2020-09-21 12:08:56,747 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-09-21 12:08:56,747 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 57 68) the Hoare annotation is: true [2020-09-21 12:08:56,747 INFO L268 CegarLoopResult]: For program point L61-1(lines 57 68) no Hoare annotation was computed. [2020-09-21 12:08:56,747 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 57 68) no Hoare annotation was computed. [2020-09-21 12:08:56,747 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 841 847) no Hoare annotation was computed. [2020-09-21 12:08:56,747 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 841 847) the Hoare annotation is: true [2020-09-21 12:08:56,747 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:08:56,747 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-09-21 12:08:56,748 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:08:56,748 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:08:56,748 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 738 745) no Hoare annotation was computed. [2020-09-21 12:08:56,748 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 738 745) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 ~pumpRunning~0)) (= 1 ~systemActive~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,748 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 738 745) no Hoare annotation was computed. [2020-09-21 12:08:56,748 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 69 80) no Hoare annotation was computed. [2020-09-21 12:08:56,748 INFO L268 CegarLoopResult]: For program point L73-1(lines 69 80) no Hoare annotation was computed. [2020-09-21 12:08:56,748 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 69 80) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:56,749 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-09-21 12:08:56,749 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-09-21 12:08:56,749 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-09-21 12:08:56,749 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-09-21 12:08:56,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:08:56 BoogieIcfgContainer [2020-09-21 12:08:56,767 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:08:56,768 INFO L168 Benchmark]: Toolchain (without parser) took 28029.09 ms. Allocated memory was 140.5 MB in the beginning and 519.6 MB in the end (delta: 379.1 MB). Free memory was 102.4 MB in the beginning and 466.0 MB in the end (delta: -363.6 MB). Peak memory consumption was 390.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:56,769 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:08:56,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.71 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 101.7 MB in the beginning and 174.9 MB in the end (delta: -73.2 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:56,771 INFO L168 Benchmark]: Boogie Preprocessor took 98.35 ms. Allocated memory is still 204.5 MB. Free memory was 174.9 MB in the beginning and 168.7 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:56,772 INFO L168 Benchmark]: RCFGBuilder took 1191.00 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 168.7 MB in the beginning and 201.9 MB in the end (delta: -33.2 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:56,774 INFO L168 Benchmark]: TraceAbstraction took 26080.42 ms. Allocated memory was 238.0 MB in the beginning and 519.6 MB in the end (delta: 281.5 MB). Free memory was 201.9 MB in the beginning and 466.0 MB in the end (delta: -264.1 MB). Peak memory consumption was 392.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:56,778 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 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.71 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 101.7 MB in the beginning and 174.9 MB in the end (delta: -73.2 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.35 ms. Allocated memory is still 204.5 MB. Free memory was 174.9 MB in the beginning and 168.7 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1191.00 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 168.7 MB in the beginning and 201.9 MB in the end (delta: -33.2 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26080.42 ms. Allocated memory was 238.0 MB in the beginning and 519.6 MB in the end (delta: 281.5 MB). Free memory was 201.9 MB in the beginning and 466.0 MB in the end (delta: -264.1 MB). Peak memory consumption was 392.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(pumpRunning <= 0)) || !(0 <= pumpRunning) - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || (splverifierCounter <= 0 && 1 == systemActive)) || !(0 <= pumpRunning)) || !(pumpRunning <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 304 SDtfs, 374 SDslu, 192 SDs, 0 SdLazy, 655 SolverSat, 248 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred 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, 85 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 133 PreInvPairs, 153 NumberOfFragments, 747 HoareAnnotationTreeSize, 133 FomulaSimplifications, 18338 FormulaSimplificationTreeSizeReduction, 8.3s HoareSimplificationTime, 44 FomulaSimplificationsInter, 5139 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 59336 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...