/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_spec1_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:06:01,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:06:01,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:06:01,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:06:01,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:06:01,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:06:01,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:06:01,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:06:01,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:06:01,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:06:01,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:06:01,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:06:01,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:06:01,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:06:01,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:06:01,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:06:01,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:06:01,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:06:01,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:06:01,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:06:01,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:06:01,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:06:01,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:06:01,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:06:01,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:06:01,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:06:01,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:06:01,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:06:01,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:06:01,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:06:01,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:06:01,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:06:01,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:06:01,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:06:01,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:06:01,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:06:01,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:06:01,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:06:01,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:06:01,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:06:01,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:06:01,694 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 12:06:01,741 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:06:01,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:06:01,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:06:01,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:06:01,745 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:06:01,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:06:01,745 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:06:01,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:06:01,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:06:01,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:06:01,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:06:01,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:06:01,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:06:01,748 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:06:01,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:06:01,748 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:06:01,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:06:01,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:06:01,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:06:01,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:06:01,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:06:01,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:06:01,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:06:01,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:06:01,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:06:01,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:06:01,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:06:01,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:06:01,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:06:01,751 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 12:06:02,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:06:02,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:06:02,277 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:06:02,279 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:06:02,280 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:06:02,281 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c [2020-09-21 12:06:02,373 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/05a512f52/a582d2f1fc1341a88b1258282255bca5/FLAG82b463806 [2020-09-21 12:06:02,965 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:06:02,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c [2020-09-21 12:06:02,981 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/05a512f52/a582d2f1fc1341a88b1258282255bca5/FLAG82b463806 [2020-09-21 12:06:03,267 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/05a512f52/a582d2f1fc1341a88b1258282255bca5 [2020-09-21 12:06:03,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:06:03,290 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:06:03,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:06:03,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:06:03,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:06:03,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:06:03" (1/1) ... [2020-09-21 12:06:03,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@256ae262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:03, skipping insertion in model container [2020-09-21 12:06:03,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:06:03" (1/1) ... [2020-09-21 12:06:03,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:06:03,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:06:03,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:06:03,753 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:06:04,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:06:04,069 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:06:04,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:04 WrapperNode [2020-09-21 12:06:04,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:06:04,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:06:04,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:06:04,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:06:04,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:04" (1/1) ... [2020-09-21 12:06:04,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:04" (1/1) ... [2020-09-21 12:06:04,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:04" (1/1) ... [2020-09-21 12:06:04,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:04" (1/1) ... [2020-09-21 12:06:04,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:04" (1/1) ... [2020-09-21 12:06:04,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:04" (1/1) ... [2020-09-21 12:06:04,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:04" (1/1) ... [2020-09-21 12:06:04,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:06:04,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:06:04,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:06:04,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:06:04,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:04" (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 12:06:04,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:06:04,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:06:04,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:06:04,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:06:04,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:06:04,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:06:04,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:06:04,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:06:04,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:06:04,310 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:06:04,310 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:06:04,310 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:06:04,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:06:04,310 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:06:04,310 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:06:04,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:06:04,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 12:06:04,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:06:04,312 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:06:04,312 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:06:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:06:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:06:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:06:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:06:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:06:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:06:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 12:06:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:06:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:06:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:06:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:06:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:06:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:06:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:06:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 12:06:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:06:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:06:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:06:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:06:04,317 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:06:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:06:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:06:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:06:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:06:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:06:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:06:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:06:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:06:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:06:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:06:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:06:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:06:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:06:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:06:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:06:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:06:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:06:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:06:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:06:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:06:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:06:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:06:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:06:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:06:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:06:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:06:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:06:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:06:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:06:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 12:06:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:06:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 12:06:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:06:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:06:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:06:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:06:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:06:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:06:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:06:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:06:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:06:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:06:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:06:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:06:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:06:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:06:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:06:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:06:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 12:06:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:06:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:06:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:06:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:06:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:06:05,394 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:06:05,394 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:06:05,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:06:05 BoogieIcfgContainer [2020-09-21 12:06:05,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:06:05,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:06:05,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:06:05,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:06:05,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:06:03" (1/3) ... [2020-09-21 12:06:05,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e67cfe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:06:05, skipping insertion in model container [2020-09-21 12:06:05,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:04" (2/3) ... [2020-09-21 12:06:05,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e67cfe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:06:05, skipping insertion in model container [2020-09-21 12:06:05,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:06:05" (3/3) ... [2020-09-21 12:06:05,409 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product24.cil.c [2020-09-21 12:06:05,421 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:06:05,432 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:06:05,455 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:06:05,487 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:06:05,487 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:06:05,487 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:06:05,487 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:06:05,487 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:06:05,487 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:06:05,488 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:06:05,488 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:06:05,514 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2020-09-21 12:06:05,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 12:06:05,527 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:06:05,528 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 12:06:05,529 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:06:05,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:06:05,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1314416883, now seen corresponding path program 1 times [2020-09-21 12:06:05,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:06:05,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1776091200] [2020-09-21 12:06:05,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:06:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:05,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:06,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:06,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:06,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:06:06,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:06:06,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1033 [2020-09-21 12:06:06,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:06,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:06,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:06:06,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:06,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:06:07,271 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:07,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:06:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:07,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:07,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:07,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:07,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:07,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 12:06:07,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:07,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:07,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:07,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:07,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:07,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:06:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:07,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:07,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:07,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:07,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:07,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:07,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:07,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:07,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:07,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:07,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:07,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:06:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:07,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:07,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:07,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:07,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:07,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:07,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:07,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:07,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:07,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:07,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:07,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:06:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:07,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:07,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:07,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:07,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:07,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:06:07,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:07,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:07,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:07,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:07,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:07,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:06:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:07,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:07,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:07,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:07,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:07,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:07,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:07,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:07,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:07,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:07,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:07,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:06:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:07,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:07,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:07,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:07,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:07,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:07,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:07,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:07,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:07,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:07,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:07,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:06:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:07,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:07,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:07,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:07,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:07,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:07,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:07,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:07,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:07,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:07,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:07,426 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 12:06:07,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1776091200] [2020-09-21 12:06:07,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:06:07,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:06:07,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855401653] [2020-09-21 12:06:07,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:06:07,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:06:07,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:06:07,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:06:07,458 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 3 states. [2020-09-21 12:06:08,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:06:08,666 INFO L93 Difference]: Finished difference Result 302 states and 399 transitions. [2020-09-21 12:06:08,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:06:08,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 12:06:08,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:06:08,688 INFO L225 Difference]: With dead ends: 302 [2020-09-21 12:06:08,688 INFO L226 Difference]: Without dead ends: 164 [2020-09-21 12:06:08,694 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 12:06:08,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-09-21 12:06:08,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 129. [2020-09-21 12:06:08,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-09-21 12:06:08,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 153 transitions. [2020-09-21 12:06:08,816 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 153 transitions. Word has length 46 [2020-09-21 12:06:08,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:06:08,817 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 153 transitions. [2020-09-21 12:06:08,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:06:08,817 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 153 transitions. [2020-09-21 12:06:08,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 12:06:08,825 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:06:08,825 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 12:06:08,826 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:06:08,826 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:06:08,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:06:08,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1074186407, now seen corresponding path program 1 times [2020-09-21 12:06:08,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:06:08,827 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588166521] [2020-09-21 12:06:08,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:06:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:08,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:09,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:09,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:10,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:10,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:06:10,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:06:10,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1394 [2020-09-21 12:06:10,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:10,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:10,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:06:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:06:10,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:10,608 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:10,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:06:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:10,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:10,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:10,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:10,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:10,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-21 12:06:10,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:10,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:10,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:10,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:10,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:10,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:06:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:10,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:10,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:10,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:10,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:10,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:10,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:10,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:10,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:10,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:10,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:10,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:06:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:10,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:10,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:10,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:10,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:10,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:06:10,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:10,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:10,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:10,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:10,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:10,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:06:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:10,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:10,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:10,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:10,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:10,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:06:10,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:10,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:10,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:10,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:10,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:10,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:06:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:10,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:10,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:10,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:10,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:10,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:06:10,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:10,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:10,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:10,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:10,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:10,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:06:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:10,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:10,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:10,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:10,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:10,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:06:10,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:10,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:10,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:10,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:10,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:10,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:06:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:10,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:10,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:10,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:10,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:10,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:10,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:10,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:10,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:10,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:10,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:10,795 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 12:06:10,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588166521] [2020-09-21 12:06:10,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:06:10,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:06:10,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791605840] [2020-09-21 12:06:10,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:06:10,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:06:10,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:06:10,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:06:10,803 INFO L87 Difference]: Start difference. First operand 129 states and 153 transitions. Second operand 4 states. [2020-09-21 12:06:11,256 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:12,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:06:12,068 INFO L93 Difference]: Finished difference Result 225 states and 278 transitions. [2020-09-21 12:06:12,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:06:12,068 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 12:06:12,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:06:12,071 INFO L225 Difference]: With dead ends: 225 [2020-09-21 12:06:12,072 INFO L226 Difference]: Without dead ends: 148 [2020-09-21 12:06:12,073 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 12:06:12,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-09-21 12:06:12,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 120. [2020-09-21 12:06:12,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-09-21 12:06:12,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2020-09-21 12:06:12,113 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 47 [2020-09-21 12:06:12,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:06:12,114 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2020-09-21 12:06:12,114 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:06:12,114 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2020-09-21 12:06:12,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:06:12,116 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:06:12,117 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 12:06:12,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:06:12,117 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:06:12,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:06:12,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1137714934, now seen corresponding path program 1 times [2020-09-21 12:06:12,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:06:12,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1535999417] [2020-09-21 12:06:12,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:06:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:12,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:12,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:13,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:13,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:06:13,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:06:13,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1042 [2020-09-21 12:06:13,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:13,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:06:13,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:13,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 12:06:13,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:13,502 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:13,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:06:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:13,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:13,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:13,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:13,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:13,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-09-21 12:06:13,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:13,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:13,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:13,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:06:13,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:06:13,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:06:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:13,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:13,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:13,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:13,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:13,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:13,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:13,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:13,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:13,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:13,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:13,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:06:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:13,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:13,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:13,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:13,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:13,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:06:13,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:13,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:13,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:13,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:13,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:13,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:06:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:13,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:13,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:13,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:13,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:13,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:06:13,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:13,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:13,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:13,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:06:13,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:13,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:06:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:13,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:13,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:13,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:13,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:13,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:13,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:13,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:13,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:13,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:13,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:13,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:06:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:13,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:13,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:13,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:13,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:13,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:13,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:13,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:13,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:13,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:13,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:13,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:06:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:13,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:13,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:13,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:13,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:13,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:13,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:13,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:13,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:13,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:13,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:13,779 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 12:06:13,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1535999417] [2020-09-21 12:06:13,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:06:13,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:06:13,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439299395] [2020-09-21 12:06:13,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:06:13,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:06:13,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:06:13,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:06:13,785 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand 4 states. [2020-09-21 12:06:14,118 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:15,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:06:15,777 INFO L93 Difference]: Finished difference Result 352 states and 439 transitions. [2020-09-21 12:06:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:06:15,778 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 12:06:15,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:06:15,784 INFO L225 Difference]: With dead ends: 352 [2020-09-21 12:06:15,785 INFO L226 Difference]: Without dead ends: 256 [2020-09-21 12:06:15,789 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 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 12:06:15,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-09-21 12:06:15,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 206. [2020-09-21 12:06:15,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-09-21 12:06:15,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 249 transitions. [2020-09-21 12:06:15,896 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 249 transitions. Word has length 52 [2020-09-21 12:06:15,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:06:15,897 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 249 transitions. [2020-09-21 12:06:15,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:06:15,897 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 249 transitions. [2020-09-21 12:06:15,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 12:06:15,908 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:06:15,908 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 12:06:15,908 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:06:15,909 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:06:15,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:06:15,909 INFO L82 PathProgramCache]: Analyzing trace with hash -430999927, now seen corresponding path program 1 times [2020-09-21 12:06:15,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:06:15,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2121013312] [2020-09-21 12:06:15,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:06:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:16,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:16,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:16,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 12:06:16,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:16,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-09-21 12:06:16,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:16,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 12:06:16,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:16,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 12:06:16,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:17,342 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:17,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:06:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:17,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:17,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:17,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:17,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:17,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-21 12:06:17,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:17,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:17,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:17,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:06:17,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:17,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:06:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:17,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:17,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:17,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:17,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:17,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:17,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:17,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:17,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:17,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:17,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:17,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:06:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:17,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:17,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:17,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:17,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:17,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:17,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:17,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:17,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:17,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:17,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:17,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:06:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:17,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:17,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:17,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:17,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:17,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:06:17,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:17,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:17,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:17,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:06:17,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:17,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:06:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:17,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:17,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:17,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:17,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:17,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:17,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:17,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:17,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:17,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:17,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:17,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:06:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:17,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:17,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:17,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:06:17,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:17,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:06:17,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:17,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:17,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:17,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:06:17,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:17,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:06:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:17,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:17,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:17,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:17,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:17,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:06:17,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:17,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:06:17,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:17,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:06:17,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:17,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 12:06:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:17,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:17,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:17,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:17,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:17,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:17,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:17,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:17,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:17,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:17,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:17,633 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 12:06:17,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2121013312] [2020-09-21 12:06:17,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:06:17,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:06:17,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562221146] [2020-09-21 12:06:17,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:06:17,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:06:17,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:06:17,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:06:17,636 INFO L87 Difference]: Start difference. First operand 206 states and 249 transitions. Second operand 8 states. [2020-09-21 12:06:18,024 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:19,316 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:19,776 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:20,083 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:20,456 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:06:21,128 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:06:22,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:06:22,246 INFO L93 Difference]: Finished difference Result 667 states and 874 transitions. [2020-09-21 12:06:22,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 12:06:22,246 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-09-21 12:06:22,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:06:22,254 INFO L225 Difference]: With dead ends: 667 [2020-09-21 12:06:22,254 INFO L226 Difference]: Without dead ends: 485 [2020-09-21 12:06:22,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-21 12:06:22,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2020-09-21 12:06:22,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 373. [2020-09-21 12:06:22,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-09-21 12:06:22,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 456 transitions. [2020-09-21 12:06:22,352 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 456 transitions. Word has length 57 [2020-09-21 12:06:22,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:06:22,353 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 456 transitions. [2020-09-21 12:06:22,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:06:22,353 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 456 transitions. [2020-09-21 12:06:22,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 12:06:22,356 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:06:22,356 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:06:22,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:06:22,357 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:06:22,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:06:22,357 INFO L82 PathProgramCache]: Analyzing trace with hash -83486899, now seen corresponding path program 1 times [2020-09-21 12:06:22,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:06:22,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [831681536] [2020-09-21 12:06:22,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:06:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:22,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:22,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:23,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:23,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:23,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 12:06:23,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:06:23,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1030 [2020-09-21 12:06:23,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:23,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:06:23,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-09-21 12:06:23,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 12:06:23,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:23,756 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:23,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:06:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:23,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:23,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:23,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:23,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:23,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 12:06:23,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:23,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:23,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:23,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:23,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:23,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:06:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:23,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:23,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:23,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:23,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:23,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:06:23,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:23,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:23,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:23,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:23,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:23,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:06:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:23,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:23,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:23,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:23,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:23,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:06:23,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:23,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:23,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:06:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:23,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:23,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:23,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:23,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:23,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:23,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:23,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:23,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:23,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:23,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:23,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:06:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:23,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:23,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:23,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:23,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:23,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:23,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:23,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:23,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:23,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:23,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:23,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 12:06:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:23,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:23,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:23,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:23,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:23,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:23,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:23,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:23,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:23,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:23,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:23,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:06:23,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:23,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:23,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:23,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:06:23,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:23,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:23,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:23,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:23,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:23,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:23,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:23,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:06:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:23,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:23,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:23,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:23,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:23,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:23,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:23,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:23,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:23,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:06:23,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:23,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 12:06:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:23,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:23,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:23,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:23,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:23,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:06:23,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:23,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:06:23,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:23,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:06:23,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:23,946 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 12:06:23,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [831681536] [2020-09-21 12:06:23,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:06:23,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:06:23,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337344025] [2020-09-21 12:06:23,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:06:23,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:06:23,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:06:23,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:06:23,952 INFO L87 Difference]: Start difference. First operand 373 states and 456 transitions. Second operand 9 states. [2020-09-21 12:06:24,373 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:25,572 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:25,947 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:26,290 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:06:26,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:06:26,735 INFO L93 Difference]: Finished difference Result 682 states and 901 transitions. [2020-09-21 12:06:26,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:06:26,737 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-09-21 12:06:26,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:06:26,737 INFO L225 Difference]: With dead ends: 682 [2020-09-21 12:06:26,737 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:06:26,740 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-09-21 12:06:26,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:06:26,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:06:26,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:06:26,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:06:26,741 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-09-21 12:06:26,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:06:26,741 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:06:26,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:06:26,742 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:06:26,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:06:26,742 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:06:26,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:06:26,980 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:27,143 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:27,309 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:27,463 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:27,626 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:27,805 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:28,060 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 6 [2020-09-21 12:06:28,240 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:28,394 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:28,569 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:28,729 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:28,883 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:29,031 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:29,186 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:29,338 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:29,492 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:29,694 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 6 [2020-09-21 12:06:29,891 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 6 [2020-09-21 12:06:30,216 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 12:06:30,538 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 12:06:30,863 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 12:06:31,181 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 12:06:31,499 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 12:06:31,815 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 12:06:32,135 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 12:06:32,275 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:32,425 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:32,579 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:32,731 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:32,899 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:33,053 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:33,198 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:33,346 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:33,501 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:33,649 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:33,804 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:33,956 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:34,105 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:34,253 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:34,415 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:34,567 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:34,723 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:34,871 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:35,024 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:35,167 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:35,316 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:35,469 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:35,622 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:35,774 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:35,922 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:36,093 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:36,245 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:36,518 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 12:06:36,680 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:36,828 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:36,973 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:37,125 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:37,277 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:37,429 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:37,581 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:37,730 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:37,877 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:38,030 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:38,431 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 12:06:38,767 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 12:06:39,104 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 12:06:39,349 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-21 12:06:39,686 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 12:06:39,829 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:40,209 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 12:06:40,545 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 12:06:40,793 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-21 12:06:41,131 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 12:06:41,315 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 6 [2020-09-21 12:06:41,502 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 6 [2020-09-21 12:06:41,657 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:41,817 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:41,970 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:42,118 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:42,266 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:42,420 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:42,565 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:42,739 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:42,884 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:43,033 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:43,183 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:43,337 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:43,497 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:43,642 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:43,790 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:43,939 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:44,082 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:44,236 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:44,405 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:44,553 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:44,709 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:44,854 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:45,009 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:45,162 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:45,308 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:45,458 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:45,606 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:45,778 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:45,927 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:46,079 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:46,227 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:46,379 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:46,642 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 12:06:46,972 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 12:06:47,299 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 12:06:47,541 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:06:47,870 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 12:06:48,102 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 186 [2020-09-21 12:06:48,355 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 12:06:48,687 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 12:06:48,929 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:06:49,264 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 12:06:49,416 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:49,560 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:49,708 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:49,856 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:50,010 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:50,247 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:50,663 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 7 [2020-09-21 12:06:50,905 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:51,161 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 12:06:51,612 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 7 [2020-09-21 12:06:52,046 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 8 [2020-09-21 12:06:52,309 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:52,731 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-21 12:06:52,950 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:06:53,191 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:53,618 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-09-21 12:06:53,844 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:54,293 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 8 [2020-09-21 12:06:54,690 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2020-09-21 12:06:54,952 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:55,181 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:55,409 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:55,639 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 12:06:55,867 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 12:06:56,121 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 8 [2020-09-21 12:06:56,562 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 7 [2020-09-21 12:06:56,790 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 12:06:57,215 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-21 12:06:57,643 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-21 12:06:57,878 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:06:58,297 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 7 [2020-09-21 12:06:58,302 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-09-21 12:06:58,302 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-09-21 12:06:58,302 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 12:06:58,302 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-09-21 12:06:58,302 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-09-21 12:06:58,303 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-09-21 12:06:58,303 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-09-21 12:06:58,303 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-09-21 12:06:58,303 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 12:06:58,303 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-09-21 12:06:58,304 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-09-21 12:06:58,304 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-09-21 12:06:58,304 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-09-21 12:06:58,304 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 12:06:58,304 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-09-21 12:06:58,304 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-09-21 12:06:58,305 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-09-21 12:06:58,305 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-09-21 12:06:58,305 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 933 939) the Hoare annotation is: true [2020-09-21 12:06:58,305 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 933 939) no Hoare annotation was computed. [2020-09-21 12:06:58,305 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 940 948) no Hoare annotation was computed. [2020-09-21 12:06:58,305 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 940 948) the Hoare annotation is: true [2020-09-21 12:06:58,306 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 940 948) no Hoare annotation was computed. [2020-09-21 12:06:58,306 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 688 710) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:06:58,306 INFO L264 CegarLoopResult]: At program point L700(line 700) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:06:58,306 INFO L264 CegarLoopResult]: At program point L700-1(line 700) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:06:58,306 INFO L268 CegarLoopResult]: For program point L698(lines 698 705) no Hoare annotation was computed. [2020-09-21 12:06:58,307 INFO L268 CegarLoopResult]: For program point L698-1(lines 698 705) no Hoare annotation was computed. [2020-09-21 12:06:58,307 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 688 710) no Hoare annotation was computed. [2020-09-21 12:06:58,307 INFO L268 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-09-21 12:06:58,307 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:06:58,307 INFO L264 CegarLoopResult]: At program point L694(line 694) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:06:58,307 INFO L264 CegarLoopResult]: At program point L694-1(line 694) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:06:58,307 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 688 710) no Hoare annotation was computed. [2020-09-21 12:06:58,308 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 644 667) no Hoare annotation was computed. [2020-09-21 12:06:58,308 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 644 667) no Hoare annotation was computed. [2020-09-21 12:06:58,308 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 644 667) no Hoare annotation was computed. [2020-09-21 12:06:58,308 INFO L268 CegarLoopResult]: For program point L662(line 662) no Hoare annotation was computed. [2020-09-21 12:06:58,308 INFO L268 CegarLoopResult]: For program point L661(line 661) no Hoare annotation was computed. [2020-09-21 12:06:58,308 INFO L268 CegarLoopResult]: For program point L660(line 660) no Hoare annotation was computed. [2020-09-21 12:06:58,308 INFO L268 CegarLoopResult]: For program point L659(line 659) no Hoare annotation was computed. [2020-09-21 12:06:58,309 INFO L268 CegarLoopResult]: For program point L658(line 658) no Hoare annotation was computed. [2020-09-21 12:06:58,309 INFO L268 CegarLoopResult]: For program point L657(line 657) no Hoare annotation was computed. [2020-09-21 12:06:58,309 INFO L268 CegarLoopResult]: For program point L656(line 656) no Hoare annotation was computed. [2020-09-21 12:06:58,309 INFO L268 CegarLoopResult]: For program point L655(line 655) no Hoare annotation was computed. [2020-09-21 12:06:58,309 INFO L268 CegarLoopResult]: For program point L654(line 654) no Hoare annotation was computed. [2020-09-21 12:06:58,309 INFO L268 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-09-21 12:06:58,309 INFO L268 CegarLoopResult]: For program point L652(line 652) no Hoare annotation was computed. [2020-09-21 12:06:58,309 INFO L268 CegarLoopResult]: For program point L651(line 651) no Hoare annotation was computed. [2020-09-21 12:06:58,309 INFO L268 CegarLoopResult]: For program point L650(line 650) no Hoare annotation was computed. [2020-09-21 12:06:58,310 INFO L268 CegarLoopResult]: For program point L649(line 649) no Hoare annotation was computed. [2020-09-21 12:06:58,310 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:58,310 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 891 905) no Hoare annotation was computed. [2020-09-21 12:06:58,310 INFO L268 CegarLoopResult]: For program point L895(lines 895 901) no Hoare annotation was computed. [2020-09-21 12:06:58,310 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 891 905) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:06:58,310 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 891 905) no Hoare annotation was computed. [2020-09-21 12:06:58,310 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 827 835) no Hoare annotation was computed. [2020-09-21 12:06:58,310 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 827 835) the Hoare annotation is: true [2020-09-21 12:06:58,311 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 827 835) no Hoare annotation was computed. [2020-09-21 12:06:58,311 INFO L268 CegarLoopResult]: For program point L881(lines 881 885) no Hoare annotation was computed. [2020-09-21 12:06:58,311 INFO L271 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: true [2020-09-21 12:06:58,311 INFO L268 CegarLoopResult]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2020-09-21 12:06:58,311 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-09-21 12:06:58,311 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 872 890) the Hoare annotation is: true [2020-09-21 12:06:58,311 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 872 890) no Hoare annotation was computed. [2020-09-21 12:06:58,311 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 872 890) no Hoare annotation was computed. [2020-09-21 12:06:58,312 INFO L268 CegarLoopResult]: For program point L866-1(line 866) no Hoare annotation was computed. [2020-09-21 12:06:58,312 INFO L268 CegarLoopResult]: For program point L855(lines 855 863) no Hoare annotation was computed. [2020-09-21 12:06:58,312 INFO L268 CegarLoopResult]: For program point L855-2(lines 855 863) no Hoare annotation was computed. [2020-09-21 12:06:58,312 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 836 871) no Hoare annotation was computed. [2020-09-21 12:06:58,312 INFO L268 CegarLoopResult]: For program point L843(lines 843 851) no Hoare annotation was computed. [2020-09-21 12:06:58,312 INFO L268 CegarLoopResult]: For program point L843-2(lines 843 851) no Hoare annotation was computed. [2020-09-21 12:06:58,312 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 836 871) no Hoare annotation was computed. [2020-09-21 12:06:58,312 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 836 871) no Hoare annotation was computed. [2020-09-21 12:06:58,312 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-09-21 12:06:58,313 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 926 932) no Hoare annotation was computed. [2020-09-21 12:06:58,313 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 926 932) the Hoare annotation is: true [2020-09-21 12:06:58,313 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-09-21 12:06:58,313 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-09-21 12:06:58,313 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-09-21 12:06:58,313 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-09-21 12:06:58,313 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-09-21 12:06:58,313 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-09-21 12:06:58,313 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-09-21 12:06:58,314 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-09-21 12:06:58,314 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-09-21 12:06:58,314 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 675 684) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:06:58,314 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 675 684) no Hoare annotation was computed. [2020-09-21 12:06:58,314 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 675 684) no Hoare annotation was computed. [2020-09-21 12:06:58,314 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 816 826) the Hoare annotation is: true [2020-09-21 12:06:58,314 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 816 826) no Hoare annotation was computed. [2020-09-21 12:06:58,314 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 816 826) no Hoare annotation was computed. [2020-09-21 12:06:58,315 INFO L271 CegarLoopResult]: At program point L821(line 821) the Hoare annotation is: true [2020-09-21 12:06:58,315 INFO L268 CegarLoopResult]: For program point L821-1(line 821) no Hoare annotation was computed. [2020-09-21 12:06:58,315 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 808 815) the Hoare annotation is: true [2020-09-21 12:06:58,315 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 808 815) no Hoare annotation was computed. [2020-09-21 12:06:58,315 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 808 815) no Hoare annotation was computed. [2020-09-21 12:06:58,315 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:58,315 INFO L268 CegarLoopResult]: For program point L794-1(lines 775 799) no Hoare annotation was computed. [2020-09-21 12:06:58,315 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 775 799) no Hoare annotation was computed. [2020-09-21 12:06:58,316 INFO L264 CegarLoopResult]: At program point L789(line 789) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:58,316 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 775 799) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:58,316 INFO L264 CegarLoopResult]: At program point L785(line 785) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:58,316 INFO L268 CegarLoopResult]: For program point L783(lines 783 791) no Hoare annotation was computed. [2020-09-21 12:06:58,316 INFO L264 CegarLoopResult]: At program point L781(line 781) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:58,316 INFO L268 CegarLoopResult]: For program point L781-1(line 781) no Hoare annotation was computed. [2020-09-21 12:06:58,316 INFO L268 CegarLoopResult]: For program point L779(lines 779 796) no Hoare annotation was computed. [2020-09-21 12:06:58,317 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 741 747) no Hoare annotation was computed. [2020-09-21 12:06:58,317 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 741 747) the Hoare annotation is: true [2020-09-21 12:06:58,317 INFO L264 CegarLoopResult]: At program point testENTRY(lines 543 610) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:06:58,317 INFO L264 CegarLoopResult]: At program point L603(lines 552 604) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:06:58,317 INFO L268 CegarLoopResult]: For program point testFINAL(lines 543 610) no Hoare annotation was computed. [2020-09-21 12:06:58,317 INFO L264 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:58,317 INFO L268 CegarLoopResult]: For program point L591(lines 591 597) no Hoare annotation was computed. [2020-09-21 12:06:58,318 INFO L264 CegarLoopResult]: At program point L591-1(lines 583 598) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:58,318 INFO L268 CegarLoopResult]: For program point L554(lines 553 602) no Hoare annotation was computed. [2020-09-21 12:06:58,318 INFO L264 CegarLoopResult]: At program point L585(line 585) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:58,318 INFO L268 CegarLoopResult]: For program point L583(lines 583 598) no Hoare annotation was computed. [2020-09-21 12:06:58,318 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:58,318 INFO L268 CegarLoopResult]: For program point L573(lines 573 579) no Hoare annotation was computed. [2020-09-21 12:06:58,318 INFO L268 CegarLoopResult]: For program point L573-1(lines 573 579) no Hoare annotation was computed. [2020-09-21 12:06:58,318 INFO L264 CegarLoopResult]: At program point L600(lines 553 602) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:58,319 INFO L264 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:58,319 INFO L268 CegarLoopResult]: For program point L563(lines 563 569) no Hoare annotation was computed. [2020-09-21 12:06:58,319 INFO L268 CegarLoopResult]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2020-09-21 12:06:58,319 INFO L268 CegarLoopResult]: For program point L555(lines 555 559) no Hoare annotation was computed. [2020-09-21 12:06:58,319 INFO L268 CegarLoopResult]: For program point testEXIT(lines 543 610) no Hoare annotation was computed. [2020-09-21 12:06:58,319 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-09-21 12:06:58,319 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-09-21 12:06:58,320 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-09-21 12:06:58,320 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-09-21 12:06:58,320 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-09-21 12:06:58,320 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-09-21 12:06:58,320 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2020-09-21 12:06:58,320 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2020-09-21 12:06:58,320 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2020-09-21 12:06:58,320 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2020-09-21 12:06:58,320 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2020-09-21 12:06:58,320 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 460 482) no Hoare annotation was computed. [2020-09-21 12:06:58,320 INFO L268 CegarLoopResult]: For program point L468(lines 468 476) no Hoare annotation was computed. [2020-09-21 12:06:58,321 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 476) no Hoare annotation was computed. [2020-09-21 12:06:58,321 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-09-21 12:06:58,321 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-09-21 12:06:58,321 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-09-21 12:06:58,321 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-09-21 12:06:58,321 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-09-21 12:06:58,321 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-09-21 12:06:58,321 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-09-21 12:06:58,321 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-09-21 12:06:58,321 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-09-21 12:06:58,321 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-09-21 12:06:58,321 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-09-21 12:06:58,321 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-09-21 12:06:58,322 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-09-21 12:06:58,322 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-09-21 12:06:58,322 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-09-21 12:06:58,322 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-09-21 12:06:58,322 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 916 925) no Hoare annotation was computed. [2020-09-21 12:06:58,322 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 916 925) no Hoare annotation was computed. [2020-09-21 12:06:58,322 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 916 925) no Hoare annotation was computed. [2020-09-21 12:06:58,322 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:58,322 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.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~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#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~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.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~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:06:58,322 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:58,322 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 800 807) no Hoare annotation was computed. [2020-09-21 12:06:58,323 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 800 807) no Hoare annotation was computed. [2020-09-21 12:06:58,323 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 800 807) no Hoare annotation was computed. [2020-09-21 12:06:58,323 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 483 491) no Hoare annotation was computed. [2020-09-21 12:06:58,323 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2020-09-21 12:06:58,323 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2020-09-21 12:06:58,323 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:58,323 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:06:58,323 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:58,323 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:06:58,324 INFO L268 CegarLoopResult]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2020-09-21 12:06:58,324 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2020-09-21 12:06:58,324 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2020-09-21 12:06:58,324 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2020-09-21 12:06:58,324 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2020-09-21 12:06:58,324 INFO L264 CegarLoopResult]: At program point L730(line 730) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:58,324 INFO L264 CegarLoopResult]: At program point L728(lines 728 734) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:58,324 INFO L264 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:58,324 INFO L268 CegarLoopResult]: For program point L721(lines 720 739) no Hoare annotation was computed. [2020-09-21 12:06:58,325 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 717 740) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:58,325 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 717 740) no Hoare annotation was computed. [2020-09-21 12:06:58,325 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 717 740) no Hoare annotation was computed. [2020-09-21 12:06:58,325 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 613 642) no Hoare annotation was computed. [2020-09-21 12:06:58,325 INFO L271 CegarLoopResult]: At program point L638(lines 613 642) the Hoare annotation is: true [2020-09-21 12:06:58,325 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 613 642) the Hoare annotation is: true [2020-09-21 12:06:58,325 INFO L268 CegarLoopResult]: For program point L634(line 634) no Hoare annotation was computed. [2020-09-21 12:06:58,325 INFO L268 CegarLoopResult]: For program point L627(lines 627 631) no Hoare annotation was computed. [2020-09-21 12:06:58,325 INFO L271 CegarLoopResult]: At program point L627-1(lines 627 631) the Hoare annotation is: true [2020-09-21 12:06:58,325 INFO L268 CegarLoopResult]: For program point L624(line 624) no Hoare annotation was computed. [2020-09-21 12:06:58,325 INFO L271 CegarLoopResult]: At program point L623-2(lines 623 637) the Hoare annotation is: true [2020-09-21 12:06:58,325 INFO L271 CegarLoopResult]: At program point L619(line 619) the Hoare annotation is: true [2020-09-21 12:06:58,325 INFO L268 CegarLoopResult]: For program point L619-1(line 619) no Hoare annotation was computed. [2020-09-21 12:06:58,326 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2020-09-21 12:06:58,326 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2020-09-21 12:06:58,326 INFO L268 CegarLoopResult]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2020-09-21 12:06:58,326 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 668 674) no Hoare annotation was computed. [2020-09-21 12:06:58,326 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 668 674) the Hoare annotation is: true [2020-09-21 12:06:58,326 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:58,326 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 12:06:58,326 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:06:58,326 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:58,327 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 906 913) no Hoare annotation was computed. [2020-09-21 12:06:58,327 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 906 913) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:06:58,327 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 906 913) no Hoare annotation was computed. [2020-09-21 12:06:58,327 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2020-09-21 12:06:58,327 INFO L268 CegarLoopResult]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2020-09-21 12:06:58,327 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:06:58,327 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 530 537) no Hoare annotation was computed. [2020-09-21 12:06:58,327 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 534) no Hoare annotation was computed. [2020-09-21 12:06:58,327 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 530 537) the Hoare annotation is: true [2020-09-21 12:06:58,327 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 530 537) no Hoare annotation was computed. [2020-09-21 12:06:58,328 INFO L268 CegarLoopResult]: For program point L514-1(line 514) no Hoare annotation was computed. [2020-09-21 12:06:58,328 INFO L268 CegarLoopResult]: For program point L512(lines 512 525) no Hoare annotation was computed. [2020-09-21 12:06:58,328 INFO L268 CegarLoopResult]: For program point L512-1(lines 504 528) no Hoare annotation was computed. [2020-09-21 12:06:58,328 INFO L271 CegarLoopResult]: At program point L510(line 510) the Hoare annotation is: true [2020-09-21 12:06:58,328 INFO L268 CegarLoopResult]: For program point L510-1(line 510) no Hoare annotation was computed. [2020-09-21 12:06:58,328 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 504 528) the Hoare annotation is: true [2020-09-21 12:06:58,328 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 504 528) no Hoare annotation was computed. [2020-09-21 12:06:58,328 INFO L264 CegarLoopResult]: At program point L518(line 518) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:06:58,328 INFO L268 CegarLoopResult]: For program point L516(lines 516 522) no Hoare annotation was computed. [2020-09-21 12:06:58,328 INFO L264 CegarLoopResult]: At program point L514(line 514) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-09-21 12:06:58,328 INFO L264 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:58,328 INFO L268 CegarLoopResult]: For program point L768-1(lines 749 773) no Hoare annotation was computed. [2020-09-21 12:06:58,329 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 749 773) no Hoare annotation was computed. [2020-09-21 12:06:58,329 INFO L264 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:58,329 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 749 773) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:58,329 INFO L264 CegarLoopResult]: At program point L759(line 759) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:58,329 INFO L268 CegarLoopResult]: For program point L757(lines 757 765) no Hoare annotation was computed. [2020-09-21 12:06:58,329 INFO L264 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:58,329 INFO L268 CegarLoopResult]: For program point L755-1(line 755) no Hoare annotation was computed. [2020-09-21 12:06:58,329 INFO L268 CegarLoopResult]: For program point L753(lines 753 770) no Hoare annotation was computed. [2020-09-21 12:06:58,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:06:58 BoogieIcfgContainer [2020-09-21 12:06:58,349 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:06:58,351 INFO L168 Benchmark]: Toolchain (without parser) took 55065.24 ms. Allocated memory was 143.7 MB in the beginning and 723.5 MB in the end (delta: 579.9 MB). Free memory was 99.3 MB in the beginning and 260.2 MB in the end (delta: -160.9 MB). Peak memory consumption was 570.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:58,351 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:06:58,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 778.40 ms. Allocated memory was 143.7 MB in the beginning and 200.3 MB in the end (delta: 56.6 MB). Free memory was 98.7 MB in the beginning and 169.1 MB in the end (delta: -70.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:58,352 INFO L168 Benchmark]: Boogie Preprocessor took 120.88 ms. Allocated memory is still 200.3 MB. Free memory was 169.1 MB in the beginning and 165.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:58,353 INFO L168 Benchmark]: RCFGBuilder took 1205.32 ms. Allocated memory was 200.3 MB in the beginning and 227.5 MB in the end (delta: 27.3 MB). Free memory was 164.7 MB in the beginning and 195.2 MB in the end (delta: -30.5 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:58,354 INFO L168 Benchmark]: TraceAbstraction took 52947.48 ms. Allocated memory was 227.5 MB in the beginning and 723.5 MB in the end (delta: 496.0 MB). Free memory was 195.2 MB in the beginning and 260.2 MB in the end (delta: -65.0 MB). Peak memory consumption was 582.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:58,356 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 778.40 ms. Allocated memory was 143.7 MB in the beginning and 200.3 MB in the end (delta: 56.6 MB). Free memory was 98.7 MB in the beginning and 169.1 MB in the end (delta: -70.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.88 ms. Allocated memory is still 200.3 MB. Free memory was 169.1 MB in the beginning and 165.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1205.32 ms. Allocated memory was 200.3 MB in the beginning and 227.5 MB in the end (delta: 27.3 MB). Free memory was 164.7 MB in the beginning and 195.2 MB in the end (delta: -30.5 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 52947.48 ms. Allocated memory was 227.5 MB in the beginning and 723.5 MB in the end (delta: 496.0 MB). Free memory was 195.2 MB in the beginning and 260.2 MB in the end (delta: -65.0 MB). Peak memory consumption was 582.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 534]: 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: 553]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 31.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 560 SDtfs, 798 SDslu, 361 SDs, 0 SdLazy, 1757 SolverSat, 521 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 85 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=373occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 225 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 569 PreInvPairs, 648 NumberOfFragments, 707 HoareAnnotationTreeSize, 569 FomulaSimplifications, 92495 FormulaSimplificationTreeSizeReduction, 23.2s HoareSimplificationTime, 61 FomulaSimplificationsInter, 14786 FormulaSimplificationTreeSizeReductionInter, 8.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 8.3s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 71106 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...