/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_spec4_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:14:31,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:14:31,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:14:31,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:14:31,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:14:31,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:14:31,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:14:31,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:14:31,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:14:31,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:14:31,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:14:31,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:14:31,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:14:31,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:14:31,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:14:31,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:14:31,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:14:31,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:14:31,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:14:31,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:14:31,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:14:31,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:14:31,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:14:31,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:14:31,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:14:31,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:14:31,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:14:31,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:14:31,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:14:31,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:14:31,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:14:31,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:14:31,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:14:31,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:14:31,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:14:31,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:14:31,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:14:31,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:14:31,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:14:31,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:14:31,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:14:31,341 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 12:14:31,366 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:14:31,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:14:31,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:14:31,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:14:31,368 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:14:31,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:14:31,369 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:14:31,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:14:31,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:14:31,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:14:31,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:14:31,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:14:31,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:14:31,370 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:14:31,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:14:31,371 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:14:31,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:14:31,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:14:31,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:14:31,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:14:31,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:14:31,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:14:31,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:14:31,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:14:31,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:14:31,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:14:31,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:14:31,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:14:31,374 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:14:31,374 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 12:14:31,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:14:31,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:14:31,882 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:14:31,883 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:14:31,884 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:14:31,885 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2020-09-21 12:14:31,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/afd81b050/5d00f32fa1414d3a9eafbd72444ae752/FLAGca41cf4be [2020-09-21 12:14:32,550 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:14:32,551 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2020-09-21 12:14:32,572 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/afd81b050/5d00f32fa1414d3a9eafbd72444ae752/FLAGca41cf4be [2020-09-21 12:14:32,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/afd81b050/5d00f32fa1414d3a9eafbd72444ae752 [2020-09-21 12:14:32,838 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:14:32,844 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:14:32,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:14:32,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:14:32,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:14:32,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:14:32" (1/1) ... [2020-09-21 12:14:32,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22589b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:14:32, skipping insertion in model container [2020-09-21 12:14:32,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:14:32" (1/1) ... [2020-09-21 12:14:32,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:14:32,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:14:33,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:14:33,348 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:14:33,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:14:33,592 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:14:33,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:14:33 WrapperNode [2020-09-21 12:14:33,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:14:33,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:14:33,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:14:33,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:14:33,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:14:33" (1/1) ... [2020-09-21 12:14:33,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:14:33" (1/1) ... [2020-09-21 12:14:33,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:14:33" (1/1) ... [2020-09-21 12:14:33,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:14:33" (1/1) ... [2020-09-21 12:14:33,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:14:33" (1/1) ... [2020-09-21 12:14:33,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:14:33" (1/1) ... [2020-09-21 12:14:33,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:14:33" (1/1) ... [2020-09-21 12:14:33,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:14:33,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:14:33,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:14:33,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:14:33,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:14:33" (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 12:14:33,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:14:33,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:14:33,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:14:33,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:14:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:14:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:14:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:14:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:14:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:14:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:14:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 12:14:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:14:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:14:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:14:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:14:33,807 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:14:33,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:14:33,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:14:33,808 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 12:14:33,808 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:14:33,809 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:14:33,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:14:33,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:14:33,809 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:14:33,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:14:33,811 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 12:14:33,811 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:14:33,811 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:14:33,811 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:14:33,811 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:14:33,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:14:33,812 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:14:33,812 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:14:33,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:14:33,812 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:14:33,813 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:14:33,813 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:14:33,813 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:14:33,813 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:14:33,813 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:14:33,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:14:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:14:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:14:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:14:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:14:33,816 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:14:33,816 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:14:33,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:14:33,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:14:33,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:14:33,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:14:33,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:14:33,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:14:33,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:14:33,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:14:33,818 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:14:33,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:14:33,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:14:33,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:14:33,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:14:33,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:14:33,819 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:14:33,819 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:14:33,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 12:14:33,819 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:14:33,820 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:14:33,820 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:14:33,820 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:14:33,820 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:14:33,821 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:14:33,821 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:14:33,822 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:14:33,822 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:14:33,823 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:14:33,823 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:14:33,824 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:14:33,824 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 12:14:33,824 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:14:33,824 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:14:33,824 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:14:33,824 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:14:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 12:14:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:14:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:14:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:14:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:14:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:14:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:14:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:14:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:14:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:14:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:14:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:14:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:14:34,991 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:14:34,991 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:14:35,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:14:35 BoogieIcfgContainer [2020-09-21 12:14:35,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:14:35,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:14:35,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:14:35,007 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:14:35,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:14:32" (1/3) ... [2020-09-21 12:14:35,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c7ecf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:14:35, skipping insertion in model container [2020-09-21 12:14:35,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:14:33" (2/3) ... [2020-09-21 12:14:35,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c7ecf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:14:35, skipping insertion in model container [2020-09-21 12:14:35,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:14:35" (3/3) ... [2020-09-21 12:14:35,012 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2020-09-21 12:14:35,025 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:14:35,036 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:14:35,056 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:14:35,083 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:14:35,084 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:14:35,084 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:14:35,084 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:14:35,084 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:14:35,084 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:14:35,085 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:14:35,085 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:14:35,111 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2020-09-21 12:14:35,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 12:14:35,123 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:14:35,124 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] [2020-09-21 12:14:35,125 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:14:35,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:14:35,132 INFO L82 PathProgramCache]: Analyzing trace with hash 613458754, now seen corresponding path program 1 times [2020-09-21 12:14:35,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:14:35,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [81327349] [2020-09-21 12:14:35,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:14:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:35,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:35,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:36,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:36,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:14:36,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:14:36,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1018 [2020-09-21 12:14:36,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:36,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:36,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:14:36,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:36,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:14:36,827 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:36,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:14:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:36,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:36,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:36,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:36,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:36,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 12:14:36,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:36,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:36,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:36,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:36,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:36,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:14:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:36,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:36,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:36,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:36,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:36,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:36,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:36,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:36,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:36,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:36,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:14:36,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:14:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:36,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:36,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:36,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:36,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:36,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:14:36,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:36,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:36,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:36,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:36,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:36,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:14:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:36,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:36,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:36,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:36,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:36,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:14:36,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:36,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:36,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:36,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:36,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:36,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:14:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:36,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:36,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:36,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:36,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:36,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:14:36,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:36,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:36,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:36,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:36,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:36,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:14:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:36,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:36,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:36,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:36,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:36,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:14:36,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:36,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:36,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:36,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:36,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:36,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:14:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:37,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:37,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:37,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:37,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:37,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:14:37,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:37,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:37,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:37,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:37,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:37,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:14:37,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [81327349] [2020-09-21 12:14:37,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:14:37,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:14:37,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405405877] [2020-09-21 12:14:37,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:14:37,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:14:37,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:14:37,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:14:37,057 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 3 states. [2020-09-21 12:14:38,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:14:38,124 INFO L93 Difference]: Finished difference Result 270 states and 356 transitions. [2020-09-21 12:14:38,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:14:38,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 12:14:38,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:14:38,144 INFO L225 Difference]: With dead ends: 270 [2020-09-21 12:14:38,145 INFO L226 Difference]: Without dead ends: 147 [2020-09-21 12:14:38,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:14:38,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-09-21 12:14:38,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 114. [2020-09-21 12:14:38,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-09-21 12:14:38,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2020-09-21 12:14:38,241 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2020-09-21 12:14:38,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:14:38,242 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2020-09-21 12:14:38,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:14:38,242 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2020-09-21 12:14:38,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 12:14:38,246 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:14:38,246 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] [2020-09-21 12:14:38,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:14:38,247 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:14:38,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:14:38,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1236074797, now seen corresponding path program 1 times [2020-09-21 12:14:38,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:14:38,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [176223562] [2020-09-21 12:14:38,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:14:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:38,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:38,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:39,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:39,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:39,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:14:39,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:14:39,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1280 [2020-09-21 12:14:39,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:39,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:39,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:14:39,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:14:39,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-21 12:14:39,956 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:39,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:14:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:39,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:40,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:40,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:40,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:40,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-21 12:14:40,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:40,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:40,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:40,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:40,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:40,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:14:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:40,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:40,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:40,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:40,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:40,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:14:40,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:40,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:40,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:40,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:40,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:40,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:14:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:40,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:40,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:40,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:40,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:40,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:14:40,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:40,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:40,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:40,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:40,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:40,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:14:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:40,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:40,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:40,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:40,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:40,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:40,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:40,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:40,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:40,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:40,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:40,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:14:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:40,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:40,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:40,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:40,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:40,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:14:40,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:40,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:40,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:40,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:40,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:40,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:14:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:40,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:40,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:40,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:40,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:40,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:14:40,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:40,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:40,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:40,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:40,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:40,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:14:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:40,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:40,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:40,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:40,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:40,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:40,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:40,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:40,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:40,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:40,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:40,136 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 12:14:40,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [176223562] [2020-09-21 12:14:40,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:14:40,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:14:40,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175806154] [2020-09-21 12:14:40,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:14:40,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:14:40,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:14:40,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:14:40,141 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 4 states. [2020-09-21 12:14:40,689 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:14:41,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:14:41,414 INFO L93 Difference]: Finished difference Result 193 states and 235 transitions. [2020-09-21 12:14:41,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:14:41,415 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 12:14:41,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:14:41,418 INFO L225 Difference]: With dead ends: 193 [2020-09-21 12:14:41,418 INFO L226 Difference]: Without dead ends: 131 [2020-09-21 12:14:41,421 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:14:41,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-09-21 12:14:41,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 105. [2020-09-21 12:14:41,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-09-21 12:14:41,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2020-09-21 12:14:41,477 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2020-09-21 12:14:41,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:14:41,479 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2020-09-21 12:14:41,479 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:14:41,480 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2020-09-21 12:14:41,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:14:41,489 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:14:41,490 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 12:14:41,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:14:41,490 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:14:41,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:14:41,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1340711329, now seen corresponding path program 1 times [2020-09-21 12:14:41,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:14:41,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [425205116] [2020-09-21 12:14:41,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:14:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:41,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:41,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:42,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:42,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:14:42,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:14:42,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1040 [2020-09-21 12:14:42,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:42,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:14:42,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:42,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 12:14:42,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:42,896 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:42,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:14:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:42,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:43,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:43,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:43,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:43,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-21 12:14:43,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:14:43,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:43,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:14:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:43,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:43,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:43,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:43,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:43,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:43,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:43,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:43,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:43,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:43,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:43,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:14:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:43,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:43,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:43,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:43,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:43,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:43,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:43,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:43,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:43,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:43,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:43,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:14:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:43,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:43,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:43,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:43,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:43,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:14:43,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:43,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:43,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:43,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:14:43,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:43,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:14:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:43,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:43,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:43,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:43,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:43,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:43,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:43,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:43,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:43,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:43,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:43,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:14:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:43,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:43,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:43,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:43,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:43,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:14:43,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:43,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:43,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:43,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:43,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:43,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:14:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:43,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:43,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:43,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:43,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:43,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:14:43,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:43,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:43,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:43,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:43,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:43,106 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 12:14:43,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [425205116] [2020-09-21 12:14:43,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:14:43,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:14:43,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777216033] [2020-09-21 12:14:43,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:14:43,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:14:43,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:14:43,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:14:43,109 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 4 states. [2020-09-21 12:14:43,390 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:44,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:14:44,686 INFO L93 Difference]: Finished difference Result 303 states and 373 transitions. [2020-09-21 12:14:44,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:14:44,687 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 12:14:44,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:14:44,691 INFO L225 Difference]: With dead ends: 303 [2020-09-21 12:14:44,691 INFO L226 Difference]: Without dead ends: 222 [2020-09-21 12:14:44,696 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:14:44,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2020-09-21 12:14:44,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 176. [2020-09-21 12:14:44,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-09-21 12:14:44,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 209 transitions. [2020-09-21 12:14:44,748 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 209 transitions. Word has length 52 [2020-09-21 12:14:44,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:14:44,749 INFO L479 AbstractCegarLoop]: Abstraction has 176 states and 209 transitions. [2020-09-21 12:14:44,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:14:44,749 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 209 transitions. [2020-09-21 12:14:44,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 12:14:44,750 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:14:44,751 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 12:14:44,751 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:14:44,751 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:14:44,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:14:44,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1244554845, now seen corresponding path program 1 times [2020-09-21 12:14:44,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:14:44,752 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1546909922] [2020-09-21 12:14:44,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:14:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:44,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:45,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:45,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:45,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 12:14:45,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:14:45,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1075 [2020-09-21 12:14:45,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:45,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:14:45,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-21 12:14:45,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 12:14:45,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:46,201 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:46,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:14:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:46,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:46,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:46,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:46,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:46,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 12:14:46,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:46,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:46,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:46,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:46,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:46,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:14:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:46,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:46,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:46,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:46,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:46,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:14:46,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:46,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:46,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:46,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:46,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:46,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:14:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:46,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:46,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:46,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:46,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:46,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:14:46,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:46,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:46,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:46,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:46,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:46,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:14:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:46,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:46,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:46,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:46,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:46,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:46,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:46,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:46,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:46,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:46,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:46,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:14:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:46,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:46,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:46,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:46,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:46,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:14:46,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:46,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:46,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:46,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:46,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:46,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:14:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:46,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:46,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:46,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:14:46,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:46,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:14:46,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:46,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:46,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:46,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:14:46,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:46,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:14:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:46,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:46,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:46,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:46,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:46,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:14:46,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:46,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:46,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:46,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:14:46,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:46,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 12:14:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:46,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:46,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:46,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:46,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:46,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:14:46,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:46,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:14:46,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:46,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:14:46,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:46,377 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 12:14:46,378 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1546909922] [2020-09-21 12:14:46,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:14:46,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:14:46,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597855402] [2020-09-21 12:14:46,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:14:46,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:14:46,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:14:46,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:14:46,380 INFO L87 Difference]: Start difference. First operand 176 states and 209 transitions. Second operand 8 states. [2020-09-21 12:14:46,793 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:47,993 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 12:14:48,328 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:48,648 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:14:48,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:14:48,953 INFO L93 Difference]: Finished difference Result 315 states and 402 transitions. [2020-09-21 12:14:48,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:14:48,954 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-09-21 12:14:48,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:14:48,955 INFO L225 Difference]: With dead ends: 315 [2020-09-21 12:14:48,956 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:14:48,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:14:48,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:14:48,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:14:48,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:14:48,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:14:48,960 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2020-09-21 12:14:48,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:14:48,960 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:14:48,960 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:14:48,960 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:14:48,960 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:14:48,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:14:48,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:14:49,176 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:49,339 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:49,500 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:49,621 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-21 12:14:49,773 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:49,927 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:50,094 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:50,271 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:50,422 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:50,526 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-21 12:14:50,693 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:50,800 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-21 12:14:50,951 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:51,281 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 12:14:51,594 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 12:14:51,911 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 12:14:52,058 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:52,216 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:52,365 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:52,513 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:52,658 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:52,810 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:52,957 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:53,105 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:53,248 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:53,397 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:53,546 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:53,690 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:53,839 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:53,987 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:54,136 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:54,380 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 6 [2020-09-21 12:14:54,529 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:54,677 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:54,825 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:54,973 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:55,120 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:55,271 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:55,584 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:14:55,891 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:14:56,200 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:14:56,346 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:56,464 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-21 12:14:56,612 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:56,762 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:56,910 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:57,061 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:57,209 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:57,354 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:57,503 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:57,652 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:57,801 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:58,066 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:58,214 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:58,358 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:58,507 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:58,656 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:58,964 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:14:59,272 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:14:59,580 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:14:59,725 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:15:00,133 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 7 [2020-09-21 12:15:00,371 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:15:00,592 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:15:00,829 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:15:01,111 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:15:01,351 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:15:01,553 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-09-21 12:15:01,822 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:15:02,269 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-09-21 12:15:02,476 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:15:02,702 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:15:03,122 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-21 12:15:03,559 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-21 12:15:03,766 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:15:04,133 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-09-21 12:15:04,366 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:15:04,594 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:15:04,795 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:15:05,015 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:15:05,414 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 7 [2020-09-21 12:15:05,622 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:15:06,061 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-09-21 12:15:06,281 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:15:06,659 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-09-21 12:15:06,665 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 12:15:06,666 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-09-21 12:15:06,666 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-09-21 12:15:06,666 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-09-21 12:15:06,666 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-09-21 12:15:06,666 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-09-21 12:15:06,666 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-09-21 12:15:06,666 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-09-21 12:15:06,667 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-09-21 12:15:06,667 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-09-21 12:15:06,667 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-21 12:15:06,667 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-09-21 12:15:06,667 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-09-21 12:15:06,667 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-09-21 12:15:06,667 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-09-21 12:15:06,667 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-21 12:15:06,667 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-09-21 12:15:06,667 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-09-21 12:15:06,668 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 464 470) the Hoare annotation is: true [2020-09-21 12:15:06,668 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 464 470) no Hoare annotation was computed. [2020-09-21 12:15:06,668 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 471 479) no Hoare annotation was computed. [2020-09-21 12:15:06,668 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 471 479) the Hoare annotation is: true [2020-09-21 12:15:06,668 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 471 479) no Hoare annotation was computed. [2020-09-21 12:15:06,668 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 417 441) the Hoare annotation is: true [2020-09-21 12:15:06,668 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 417 441) no Hoare annotation was computed. [2020-09-21 12:15:06,669 INFO L264 CegarLoopResult]: At program point L431(line 431) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:15:06,669 INFO L268 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2020-09-21 12:15:06,669 INFO L271 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: true [2020-09-21 12:15:06,669 INFO L268 CegarLoopResult]: For program point L427-1(line 427) no Hoare annotation was computed. [2020-09-21 12:15:06,669 INFO L268 CegarLoopResult]: For program point L425(lines 425 438) no Hoare annotation was computed. [2020-09-21 12:15:06,669 INFO L268 CegarLoopResult]: For program point L425-1(lines 417 441) no Hoare annotation was computed. [2020-09-21 12:15:06,669 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-09-21 12:15:06,669 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-09-21 12:15:06,670 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 848 870) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:15:06,670 INFO L264 CegarLoopResult]: At program point L860(line 860) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:15:06,670 INFO L264 CegarLoopResult]: At program point L860-1(line 860) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:15:06,670 INFO L268 CegarLoopResult]: For program point L858(lines 858 865) no Hoare annotation was computed. [2020-09-21 12:15:06,670 INFO L268 CegarLoopResult]: For program point L858-1(lines 858 865) no Hoare annotation was computed. [2020-09-21 12:15:06,671 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 848 870) no Hoare annotation was computed. [2020-09-21 12:15:06,671 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-09-21 12:15:06,671 INFO L264 CegarLoopResult]: At program point L855(line 855) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:15:06,671 INFO L264 CegarLoopResult]: At program point L854(line 854) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:15:06,671 INFO L264 CegarLoopResult]: At program point L854-1(line 854) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:15:06,671 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 848 870) no Hoare annotation was computed. [2020-09-21 12:15:06,671 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 806 829) no Hoare annotation was computed. [2020-09-21 12:15:06,672 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 806 829) no Hoare annotation was computed. [2020-09-21 12:15:06,672 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 806 829) no Hoare annotation was computed. [2020-09-21 12:15:06,672 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-09-21 12:15:06,672 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-09-21 12:15:06,672 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-09-21 12:15:06,672 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-09-21 12:15:06,672 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-09-21 12:15:06,672 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-09-21 12:15:06,673 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-09-21 12:15:06,673 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-09-21 12:15:06,673 INFO L268 CegarLoopResult]: For program point L816(line 816) no Hoare annotation was computed. [2020-09-21 12:15:06,673 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-09-21 12:15:06,673 INFO L268 CegarLoopResult]: For program point L814(line 814) no Hoare annotation was computed. [2020-09-21 12:15:06,673 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-09-21 12:15:06,673 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-09-21 12:15:06,673 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-09-21 12:15:06,673 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 660 674) no Hoare annotation was computed. [2020-09-21 12:15:06,674 INFO L264 CegarLoopResult]: At program point L666(line 666) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:15:06,674 INFO L268 CegarLoopResult]: For program point L664(lines 664 670) no Hoare annotation was computed. [2020-09-21 12:15:06,674 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 660 674) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:15:06,674 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 660 674) no Hoare annotation was computed. [2020-09-21 12:15:06,674 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 596 604) no Hoare annotation was computed. [2020-09-21 12:15:06,674 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 596 604) the Hoare annotation is: true [2020-09-21 12:15:06,675 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 596 604) no Hoare annotation was computed. [2020-09-21 12:15:06,675 INFO L268 CegarLoopResult]: For program point L650(lines 650 654) no Hoare annotation was computed. [2020-09-21 12:15:06,675 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 641 659) the Hoare annotation is: true [2020-09-21 12:15:06,675 INFO L271 CegarLoopResult]: At program point L648(line 648) the Hoare annotation is: true [2020-09-21 12:15:06,675 INFO L268 CegarLoopResult]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2020-09-21 12:15:06,675 INFO L268 CegarLoopResult]: For program point L648-1(line 648) no Hoare annotation was computed. [2020-09-21 12:15:06,675 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 641 659) no Hoare annotation was computed. [2020-09-21 12:15:06,675 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 641 659) no Hoare annotation was computed. [2020-09-21 12:15:06,676 INFO L268 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-09-21 12:15:06,676 INFO L268 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-09-21 12:15:06,676 INFO L268 CegarLoopResult]: For program point L624(lines 624 632) no Hoare annotation was computed. [2020-09-21 12:15:06,676 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 605 640) no Hoare annotation was computed. [2020-09-21 12:15:06,676 INFO L268 CegarLoopResult]: For program point L624-2(lines 624 632) no Hoare annotation was computed. [2020-09-21 12:15:06,676 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 605 640) no Hoare annotation was computed. [2020-09-21 12:15:06,676 INFO L268 CegarLoopResult]: For program point L612(lines 612 620) no Hoare annotation was computed. [2020-09-21 12:15:06,676 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 605 640) no Hoare annotation was computed. [2020-09-21 12:15:06,677 INFO L268 CegarLoopResult]: For program point L612-2(lines 612 620) no Hoare annotation was computed. [2020-09-21 12:15:06,677 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 457 463) no Hoare annotation was computed. [2020-09-21 12:15:06,677 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 457 463) the Hoare annotation is: true [2020-09-21 12:15:06,677 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-09-21 12:15:06,677 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-09-21 12:15:06,677 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-09-21 12:15:06,677 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-09-21 12:15:06,677 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-09-21 12:15:06,677 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-09-21 12:15:06,678 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-09-21 12:15:06,678 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-09-21 12:15:06,678 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-09-21 12:15:06,678 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 838 847) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:15:06,678 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 838 847) no Hoare annotation was computed. [2020-09-21 12:15:06,678 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 838 847) no Hoare annotation was computed. [2020-09-21 12:15:06,678 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 585 595) no Hoare annotation was computed. [2020-09-21 12:15:06,678 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-09-21 12:15:06,679 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-09-21 12:15:06,679 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 585 595) no Hoare annotation was computed. [2020-09-21 12:15:06,679 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 585 595) no Hoare annotation was computed. [2020-09-21 12:15:06,679 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 577 584) the Hoare annotation is: true [2020-09-21 12:15:06,679 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 577 584) no Hoare annotation was computed. [2020-09-21 12:15:06,679 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 577 584) no Hoare annotation was computed. [2020-09-21 12:15:06,679 INFO L264 CegarLoopResult]: At program point L545(line 545) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:15:06,679 INFO L268 CegarLoopResult]: For program point L545-1(lines 526 550) no Hoare annotation was computed. [2020-09-21 12:15:06,680 INFO L264 CegarLoopResult]: At program point L540(line 540) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:15:06,680 INFO L264 CegarLoopResult]: At program point L536(line 536) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:15:06,680 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 526 550) no Hoare annotation was computed. [2020-09-21 12:15:06,680 INFO L268 CegarLoopResult]: For program point L534(lines 534 542) no Hoare annotation was computed. [2020-09-21 12:15:06,680 INFO L264 CegarLoopResult]: At program point L532(line 532) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:15:06,680 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 526 550) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:15:06,680 INFO L268 CegarLoopResult]: For program point L532-1(line 532) no Hoare annotation was computed. [2020-09-21 12:15:06,680 INFO L268 CegarLoopResult]: For program point L530(lines 530 547) no Hoare annotation was computed. [2020-09-21 12:15:06,681 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 518 524) no Hoare annotation was computed. [2020-09-21 12:15:06,681 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 518 524) the Hoare annotation is: true [2020-09-21 12:15:06,681 INFO L264 CegarLoopResult]: At program point L929(lines 882 931) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:15:06,681 INFO L264 CegarLoopResult]: At program point testENTRY(lines 872 939) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:15:06,681 INFO L264 CegarLoopResult]: At program point L894(line 894) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:15:06,681 INFO L268 CegarLoopResult]: For program point L892(lines 892 898) no Hoare annotation was computed. [2020-09-21 12:15:06,682 INFO L268 CegarLoopResult]: For program point L892-1(lines 892 898) no Hoare annotation was computed. [2020-09-21 12:15:06,682 INFO L268 CegarLoopResult]: For program point testFINAL(lines 872 939) no Hoare annotation was computed. [2020-09-21 12:15:06,682 INFO L268 CegarLoopResult]: For program point L884(lines 884 888) no Hoare annotation was computed. [2020-09-21 12:15:06,682 INFO L264 CegarLoopResult]: At program point L932(lines 881 933) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:15:06,682 INFO L264 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:15:06,682 INFO L268 CegarLoopResult]: For program point L920(lines 920 926) no Hoare annotation was computed. [2020-09-21 12:15:06,682 INFO L264 CegarLoopResult]: At program point L920-1(lines 912 927) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:15:06,683 INFO L268 CegarLoopResult]: For program point L883(lines 882 931) no Hoare annotation was computed. [2020-09-21 12:15:06,683 INFO L264 CegarLoopResult]: At program point L914(line 914) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:15:06,683 INFO L268 CegarLoopResult]: For program point L912(lines 912 927) no Hoare annotation was computed. [2020-09-21 12:15:06,683 INFO L264 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:15:06,683 INFO L268 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2020-09-21 12:15:06,683 INFO L268 CegarLoopResult]: For program point L902-1(lines 902 908) no Hoare annotation was computed. [2020-09-21 12:15:06,683 INFO L268 CegarLoopResult]: For program point testEXIT(lines 872 939) no Hoare annotation was computed. [2020-09-21 12:15:06,684 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-09-21 12:15:06,684 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-09-21 12:15:06,684 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-09-21 12:15:06,684 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-09-21 12:15:06,684 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-09-21 12:15:06,684 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-09-21 12:15:06,684 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 551 558) no Hoare annotation was computed. [2020-09-21 12:15:06,684 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 551 558) no Hoare annotation was computed. [2020-09-21 12:15:06,685 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 551 558) no Hoare annotation was computed. [2020-09-21 12:15:06,685 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 765 773) no Hoare annotation was computed. [2020-09-21 12:15:06,685 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 765 773) the Hoare annotation is: true [2020-09-21 12:15:06,685 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 765 773) no Hoare annotation was computed. [2020-09-21 12:15:06,685 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 733 755) no Hoare annotation was computed. [2020-09-21 12:15:06,685 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 733 755) no Hoare annotation was computed. [2020-09-21 12:15:06,685 INFO L268 CegarLoopResult]: For program point L741(lines 741 749) no Hoare annotation was computed. [2020-09-21 12:15:06,685 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 733 755) no Hoare annotation was computed. [2020-09-21 12:15:06,686 INFO L268 CegarLoopResult]: For program point L741-2(lines 741 749) no Hoare annotation was computed. [2020-09-21 12:15:06,686 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-09-21 12:15:06,686 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-09-21 12:15:06,686 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-09-21 12:15:06,686 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-09-21 12:15:06,686 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-09-21 12:15:06,686 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-09-21 12:15:06,686 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-09-21 12:15:06,686 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-09-21 12:15:06,687 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-09-21 12:15:06,687 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-09-21 12:15:06,687 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-09-21 12:15:06,687 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-09-21 12:15:06,687 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-09-21 12:15:06,687 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-09-21 12:15:06,687 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-09-21 12:15:06,687 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-09-21 12:15:06,688 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 447 456) no Hoare annotation was computed. [2020-09-21 12:15:06,688 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 447 456) no Hoare annotation was computed. [2020-09-21 12:15:06,688 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 447 456) no Hoare annotation was computed. [2020-09-21 12:15:06,688 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:15:06,688 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)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~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~string50.offset| |old(#t~string50.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.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)|)) [2020-09-21 12:15:06,689 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:15:06,689 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 560 576) no Hoare annotation was computed. [2020-09-21 12:15:06,689 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-21 12:15:06,689 INFO L268 CegarLoopResult]: For program point L571-1(lines 560 576) no Hoare annotation was computed. [2020-09-21 12:15:06,689 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 560 576) no Hoare annotation was computed. [2020-09-21 12:15:06,689 INFO L268 CegarLoopResult]: For program point L567(lines 567 573) no Hoare annotation was computed. [2020-09-21 12:15:06,689 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-21 12:15:06,690 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-09-21 12:15:06,690 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 756 764) the Hoare annotation is: true [2020-09-21 12:15:06,690 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 756 764) no Hoare annotation was computed. [2020-09-21 12:15:06,690 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 756 764) no Hoare annotation was computed. [2020-09-21 12:15:06,690 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:15:06,690 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:15:06,690 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:15:06,691 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 712 723) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:15:06,691 INFO L268 CegarLoopResult]: For program point L716-1(lines 712 723) no Hoare annotation was computed. [2020-09-21 12:15:06,691 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 712 723) no Hoare annotation was computed. [2020-09-21 12:15:06,691 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 724 732) no Hoare annotation was computed. [2020-09-21 12:15:06,691 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 724 732) no Hoare annotation was computed. [2020-09-21 12:15:06,691 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 724 732) no Hoare annotation was computed. [2020-09-21 12:15:06,691 INFO L264 CegarLoopResult]: At program point L507(line 507) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:15:06,692 INFO L264 CegarLoopResult]: At program point L505(lines 505 511) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:15:06,692 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:15:06,692 INFO L268 CegarLoopResult]: For program point L498(lines 497 516) no Hoare annotation was computed. [2020-09-21 12:15:06,692 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 494 517) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:15:06,692 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 494 517) no Hoare annotation was computed. [2020-09-21 12:15:06,692 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 494 517) no Hoare annotation was computed. [2020-09-21 12:15:06,692 INFO L271 CegarLoopResult]: At program point L801(lines 776 805) the Hoare annotation is: true [2020-09-21 12:15:06,692 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 776 805) no Hoare annotation was computed. [2020-09-21 12:15:06,693 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-09-21 12:15:06,693 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 776 805) the Hoare annotation is: true [2020-09-21 12:15:06,693 INFO L268 CegarLoopResult]: For program point L790(lines 790 794) no Hoare annotation was computed. [2020-09-21 12:15:06,693 INFO L271 CegarLoopResult]: At program point L790-1(lines 790 794) the Hoare annotation is: true [2020-09-21 12:15:06,693 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-09-21 12:15:06,693 INFO L271 CegarLoopResult]: At program point L786-2(lines 786 800) the Hoare annotation is: true [2020-09-21 12:15:06,693 INFO L271 CegarLoopResult]: At program point L782(line 782) the Hoare annotation is: true [2020-09-21 12:15:06,694 INFO L268 CegarLoopResult]: For program point L782-1(line 782) no Hoare annotation was computed. [2020-09-21 12:15:06,694 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 688 699) the Hoare annotation is: true [2020-09-21 12:15:06,694 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 688 699) no Hoare annotation was computed. [2020-09-21 12:15:06,694 INFO L268 CegarLoopResult]: For program point L692-1(lines 688 699) no Hoare annotation was computed. [2020-09-21 12:15:06,694 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 830 836) no Hoare annotation was computed. [2020-09-21 12:15:06,694 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 830 836) the Hoare annotation is: true [2020-09-21 12:15:06,694 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:15:06,695 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 12:15:06,695 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:15:06,695 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:15:06,695 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 675 682) no Hoare annotation was computed. [2020-09-21 12:15:06,695 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 675 682) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:15:06,695 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 675 682) no Hoare annotation was computed. [2020-09-21 12:15:06,695 INFO L268 CegarLoopResult]: For program point L704-1(lines 700 711) no Hoare annotation was computed. [2020-09-21 12:15:06,695 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 700 711) no Hoare annotation was computed. [2020-09-21 12:15:06,696 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 700 711) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:15:06,696 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-09-21 12:15:06,696 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-09-21 12:15:06,696 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-09-21 12:15:06,696 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-09-21 12:15:06,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:15:06 BoogieIcfgContainer [2020-09-21 12:15:06,717 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:15:06,719 INFO L168 Benchmark]: Toolchain (without parser) took 33878.94 ms. Allocated memory was 144.2 MB in the beginning and 577.8 MB in the end (delta: 433.6 MB). Free memory was 99.2 MB in the beginning and 481.5 MB in the end (delta: -382.3 MB). Peak memory consumption was 420.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:15:06,720 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 144.2 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:15:06,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.15 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 98.6 MB in the beginning and 171.2 MB in the end (delta: -72.6 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:15:06,721 INFO L168 Benchmark]: Boogie Preprocessor took 99.71 ms. Allocated memory is still 201.3 MB. Free memory was 171.2 MB in the beginning and 166.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:15:06,722 INFO L168 Benchmark]: RCFGBuilder took 1306.70 ms. Allocated memory was 201.3 MB in the beginning and 229.1 MB in the end (delta: 27.8 MB). Free memory was 166.8 MB in the beginning and 196.7 MB in the end (delta: -29.9 MB). Peak memory consumption was 91.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:15:06,723 INFO L168 Benchmark]: TraceAbstraction took 31714.19 ms. Allocated memory was 229.1 MB in the beginning and 577.8 MB in the end (delta: 348.7 MB). Free memory was 196.7 MB in the beginning and 481.5 MB in the end (delta: -284.9 MB). Peak memory consumption was 433.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:15:06,727 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 144.2 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 749.15 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 98.6 MB in the beginning and 171.2 MB in the end (delta: -72.6 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.71 ms. Allocated memory is still 201.3 MB. Free memory was 171.2 MB in the beginning and 166.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1306.70 ms. Allocated memory was 201.3 MB in the beginning and 229.1 MB in the end (delta: 27.8 MB). Free memory was 166.8 MB in the beginning and 196.7 MB in the end (delta: -29.9 MB). Peak memory consumption was 91.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31714.19 ms. Allocated memory was 229.1 MB in the beginning and 577.8 MB in the end (delta: 348.7 MB). Free memory was 196.7 MB in the beginning and 481.5 MB in the end (delta: -284.9 MB). Peak memory consumption was 433.1 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: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 231 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 401 SDtfs, 458 SDslu, 159 SDs, 0 SdLazy, 787 SolverSat, 272 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=176occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 105 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 240 PreInvPairs, 273 NumberOfFragments, 606 HoareAnnotationTreeSize, 240 FomulaSimplifications, 15291 FormulaSimplificationTreeSizeReduction, 10.7s HoareSimplificationTime, 54 FomulaSimplificationsInter, 7854 FormulaSimplificationTreeSizeReductionInter, 6.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 202 NumberOfCodeBlocks, 202 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 52318 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...