/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 interpolation-heuristic=FIRST --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_spec5_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:14:57,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:14:57,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:14:57,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:14:57,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:14:57,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:14:57,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:14:57,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:14:57,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:14:57,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:14:57,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:14:57,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:14:57,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:14:57,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:14:57,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:14:57,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:14:57,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:14:57,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:14:57,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:14:57,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:14:57,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:14:57,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:14:57,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:14:57,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:14:57,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:14:57,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:14:57,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:14:57,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:14:57,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:14:57,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:14:57,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:14:57,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:14:57,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:14:57,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:14:57,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:14:57,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:14:57,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:14:57,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:14:57,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:14:57,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:14:57,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:14:57,314 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 11:14:57,353 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:14:57,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:14:57,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:14:57,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:14:57,355 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:14:57,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:14:57,356 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:14:57,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:14:57,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:14:57,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:14:57,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:14:57,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:14:57,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:14:57,358 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:14:57,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:14:57,358 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:14:57,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:14:57,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:14:57,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:14:57,359 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:14:57,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:14:57,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:14:57,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:14:57,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:14:57,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:14:57,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:14:57,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:14:57,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:14:57,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:14:57,362 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:14:57,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:14:57,837 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:14:57,842 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:14:57,844 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:14:57,844 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:14:57,845 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product11.cil.c [2020-09-21 11:14:57,926 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf208aef2/7fa24e2993934446ba0801cc3bea6c36/FLAG15a4921dc [2020-09-21 11:14:58,608 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:14:58,609 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product11.cil.c [2020-09-21 11:14:58,629 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf208aef2/7fa24e2993934446ba0801cc3bea6c36/FLAG15a4921dc [2020-09-21 11:14:58,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf208aef2/7fa24e2993934446ba0801cc3bea6c36 [2020-09-21 11:14:58,838 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:14:58,843 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:14:58,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:14:58,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:14:58,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:14:58,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:14:58" (1/1) ... [2020-09-21 11:14:58,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e0901a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:58, skipping insertion in model container [2020-09-21 11:14:58,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:14:58" (1/1) ... [2020-09-21 11:14:58,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:14:58,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:14:59,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:14:59,395 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:14:59,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:14:59,555 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:14:59,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:59 WrapperNode [2020-09-21 11:14:59,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:14:59,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:14:59,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:14:59,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:14:59,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:59" (1/1) ... [2020-09-21 11:14:59,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:59" (1/1) ... [2020-09-21 11:14:59,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:59" (1/1) ... [2020-09-21 11:14:59,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:59" (1/1) ... [2020-09-21 11:14:59,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:59" (1/1) ... [2020-09-21 11:14:59,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:59" (1/1) ... [2020-09-21 11:14:59,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:59" (1/1) ... [2020-09-21 11:14:59,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:14:59,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:14:59,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:14:59,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:14:59,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:59" (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 11:14:59,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:14:59,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:14:59,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:14:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:14:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:14:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:14:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:14:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:14:59,756 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:14:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:14:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:14:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:14:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:14:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:14:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:14:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:14:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:14:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:14:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:14:59,760 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:14:59,760 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:14:59,760 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 11:14:59,760 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:14:59,760 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:14:59,761 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:14:59,761 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:14:59,762 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:14:59,762 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:14:59,762 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:14:59,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:14:59,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:14:59,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:14:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:14:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:14:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:14:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:14:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:14:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:14:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:14:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:14:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:14:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:14:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:14:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:14:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:14:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:14:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:14:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:14:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:14:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:14:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:14:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:14:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:14:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:14:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:14:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:14:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:14:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:14:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:14:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:14:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:14:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:14:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:14:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:14:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:14:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:14:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:14:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:14:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:14:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 11:14:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:14:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:14:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:14:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:14:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:14:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:14:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:14:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:14:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:14:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:14:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:14:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:14:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:14:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:14:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:14:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:14:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:14:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:14:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:14:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:15:00,823 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:15:00,824 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:15:00,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:15:00 BoogieIcfgContainer [2020-09-21 11:15:00,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:15:00,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:15:00,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:15:00,840 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:15:00,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:14:58" (1/3) ... [2020-09-21 11:15:00,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b40f453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:15:00, skipping insertion in model container [2020-09-21 11:15:00,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:59" (2/3) ... [2020-09-21 11:15:00,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b40f453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:15:00, skipping insertion in model container [2020-09-21 11:15:00,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:15:00" (3/3) ... [2020-09-21 11:15:00,845 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product11.cil.c [2020-09-21 11:15:00,857 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:15:00,869 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:15:00,894 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:15:00,925 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:15:00,926 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:15:00,926 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:15:00,926 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:15:00,926 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:15:00,926 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:15:00,927 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:15:00,927 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:15:00,951 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2020-09-21 11:15:00,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:15:00,962 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:00,964 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:00,964 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:00,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:00,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1585555065, now seen corresponding path program 1 times [2020-09-21 11:15:00,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:00,981 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1703123451] [2020-09-21 11:15:00,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:01,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:01,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:01,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:01,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:01,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:15:01,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:01,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:15:01,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:01,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:15:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:01,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:01,851 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:01,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:01,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:01,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:01,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:01,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:01,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:01,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:01,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:01,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:01,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:01,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:01,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:01,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:01,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:01,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:01,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:01,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:01,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:01,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:01,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:01,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:01,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:01,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:01,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:01,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:01,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:15:01,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:01,945 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:01,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:01,946 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:01,946 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:01,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:01,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:01,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:15:01,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:01,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:01,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:01,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:01,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:01,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:01,955 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:01,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:01,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:01,957 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:01,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:01,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:01,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:15:01,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:01,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:01,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:01,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:01,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:01,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:01,971 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:01,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:01,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:01,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:01,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:01,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:01,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:15:01,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:01,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:01,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:01,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:01,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:01,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:01,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:01,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:01,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:01,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:01,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:01,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:01,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:01,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:01,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:01,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:01,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:01,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:02,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:15:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:02,011 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:02,012 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:02,012 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:02,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:02,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:02,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:02,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:02,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:02,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:02,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:15:02,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:02,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:02,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:02,024 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:02,024 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:02,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:02,026 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:02,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:02,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:02,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:02,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:02,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:02,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:02,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 26 [2020-09-21 11:15:02,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:15:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:02,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:02,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:02,067 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:02,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:02,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:02,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:02,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:02,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:02,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:02,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:02,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:02,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:02,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:15:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:02,082 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:02,082 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:02,082 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:02,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:02,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:02,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:02,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:02,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:02,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:02,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:02,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:02,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:02,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:02,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1703123451] [2020-09-21 11:15:02,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:02,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:15:02,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587734095] [2020-09-21 11:15:02,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:15:02,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:02,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:15:02,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:15:02,144 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 4 states. [2020-09-21 11:15:03,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:03,142 INFO L93 Difference]: Finished difference Result 226 states and 297 transitions. [2020-09-21 11:15:03,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:15:03,144 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:15:03,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:03,164 INFO L225 Difference]: With dead ends: 226 [2020-09-21 11:15:03,164 INFO L226 Difference]: Without dead ends: 127 [2020-09-21 11:15:03,169 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:15:03,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-09-21 11:15:03,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 100. [2020-09-21 11:15:03,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-09-21 11:15:03,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 116 transitions. [2020-09-21 11:15:03,258 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 116 transitions. Word has length 59 [2020-09-21 11:15:03,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:03,259 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 116 transitions. [2020-09-21 11:15:03,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:15:03,259 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions. [2020-09-21 11:15:03,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:15:03,263 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:03,263 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:03,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:15:03,264 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:03,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:03,264 INFO L82 PathProgramCache]: Analyzing trace with hash -586747588, now seen corresponding path program 1 times [2020-09-21 11:15:03,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:03,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1755224275] [2020-09-21 11:15:03,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:03,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:15:03,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:03,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:03,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:03,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:15:03,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:03,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 350 [2020-09-21 11:15:03,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:03,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:15:03,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:03,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 11:15:03,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:04,089 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:04,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:04,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:04,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:04,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:04,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:04,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:04,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:04,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-21 11:15:04,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:04,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:04,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:04,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:04,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:04,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:04,216 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:04,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:04,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:04,216 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:04,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:04,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:04,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:04,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:04,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:04,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:04,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:04,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:04,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:04,223 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:04,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:04,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:04,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:04,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:04,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:04,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:04,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:04,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:04,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:04,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:04,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:04,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:04,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:04,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:04,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:04,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:04,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:04,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:04,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:04,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:04,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:04,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:04,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:04,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:04,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:04,237 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:04,237 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:04,237 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:04,237 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:04,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:04,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:04,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:04,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:04,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:04,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:04,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:04,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:04,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:04,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:04,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:04,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:04,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:04,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:04,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:04,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:04,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:04,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:04,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:04,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:04,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:04,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:15:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:04,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:04,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:04,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:04,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:04,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:04,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:04,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:04,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:04,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:04,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:04,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:15:04,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:04,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:04,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:04,269 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:04,269 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:04,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:04,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:04,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:04,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:04,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:04,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:04,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:04,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:04,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:04,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:15:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:04,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:04,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:04,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:04,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:04,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:04,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:04,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:04,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:04,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:04,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:04,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:04,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:04,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:15:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:04,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:04,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:04,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:04,281 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:04,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:04,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:04,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:04,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:04,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:04,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:04,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:04,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:04,292 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:04,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1755224275] [2020-09-21 11:15:04,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:04,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:15:04,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26205242] [2020-09-21 11:15:04,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:15:04,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:04,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:15:04,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:15:04,297 INFO L87 Difference]: Start difference. First operand 100 states and 116 transitions. Second operand 5 states. [2020-09-21 11:15:04,655 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:05,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:05,877 INFO L93 Difference]: Finished difference Result 275 states and 346 transitions. [2020-09-21 11:15:05,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:15:05,878 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-09-21 11:15:05,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:05,884 INFO L225 Difference]: With dead ends: 275 [2020-09-21 11:15:05,884 INFO L226 Difference]: Without dead ends: 203 [2020-09-21 11:15:05,886 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:15:05,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-09-21 11:15:05,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 160. [2020-09-21 11:15:05,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-09-21 11:15:05,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 191 transitions. [2020-09-21 11:15:05,933 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 191 transitions. Word has length 64 [2020-09-21 11:15:05,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:05,933 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 191 transitions. [2020-09-21 11:15:05,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:15:05,934 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 191 transitions. [2020-09-21 11:15:05,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-21 11:15:05,936 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:05,937 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:05,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:15:05,937 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:05,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:05,938 INFO L82 PathProgramCache]: Analyzing trace with hash 498555563, now seen corresponding path program 1 times [2020-09-21 11:15:05,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:05,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2041935689] [2020-09-21 11:15:05,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:05,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:05,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:05,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:05,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:05,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-09-21 11:15:05,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:05,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:15:05,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:05,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:05,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:15:05,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:15:05,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:06,313 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:06,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:06,324 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:06,324 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:06,324 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:06,325 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:06,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:06,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:06,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:06,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:06,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:06,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:06,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:06,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:06,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:06,358 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:06,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:06,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:06,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:06,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:06,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:06,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:06,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:06,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:06,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:06,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:06,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:06,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:06,363 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:06,363 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:06,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:06,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:06,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:06,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:06,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:06,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:06,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:06,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:06,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:06,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:06,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:06,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:06,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:06,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:06,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:06,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:06,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:06,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:06,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:06,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:06,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:06,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:06,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:06,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:06,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:06,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:06,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:06,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:06,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:06,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:06,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:06,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:06,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:06,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:06,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:06,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:06,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:06,394 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:06,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:06,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:06,395 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:06,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:06,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:06,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:06,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:06,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:06,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:06,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:06,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:06,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:15:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:06,400 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:06,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:06,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:06,401 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:06,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:06,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:06,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:06,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:06,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:06,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:15:06,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:06,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:06,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:06,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:06,407 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:06,407 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:06,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:06,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:06,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:06,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:06,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:06,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:06,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:06,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:06,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:06,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:15:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:06,412 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:06,412 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:06,412 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:06,412 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:06,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:06,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:06,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:06,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:06,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:06,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-21 11:15:06,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:06,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:06,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:15:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:06,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:06,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:06,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:06,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:06,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:06,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:06,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:06,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:06,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:06,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:06,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:06,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:06,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 11:15:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:06,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:06,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:06,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:06,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:06,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:06,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:06,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:06,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:06,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:06,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:06,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:06,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:06,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:06,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2041935689] [2020-09-21 11:15:06,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:06,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:15:06,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617178965] [2020-09-21 11:15:06,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:15:06,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:06,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:15:06,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:15:06,438 INFO L87 Difference]: Start difference. First operand 160 states and 191 transitions. Second operand 5 states. [2020-09-21 11:15:07,034 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:15:07,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:07,676 INFO L93 Difference]: Finished difference Result 260 states and 318 transitions. [2020-09-21 11:15:07,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:15:07,685 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2020-09-21 11:15:07,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:07,688 INFO L225 Difference]: With dead ends: 260 [2020-09-21 11:15:07,688 INFO L226 Difference]: Without dead ends: 173 [2020-09-21 11:15:07,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:15:07,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-09-21 11:15:07,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 142. [2020-09-21 11:15:07,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-09-21 11:15:07,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2020-09-21 11:15:07,726 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 63 [2020-09-21 11:15:07,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:07,726 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2020-09-21 11:15:07,726 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:15:07,726 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2020-09-21 11:15:07,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-09-21 11:15:07,728 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:07,729 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:07,729 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:15:07,729 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:07,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:07,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1918621310, now seen corresponding path program 1 times [2020-09-21 11:15:07,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:07,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2019872800] [2020-09-21 11:15:07,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:08,142 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:08,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:08,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:08,143 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:08,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-09-21 11:15:08,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:08,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 323 [2020-09-21 11:15:08,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:08,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:15:08,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:08,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-21 11:15:08,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:08,573 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:08,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:08,674 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:08,674 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:08,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:08,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:08,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:08,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:08,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 11:15:08,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:08,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:08,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:08,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:08,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:08,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:08,771 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:08,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:08,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:08,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:08,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:08,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:08,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:08,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:08,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:08,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:08,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:08,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:08,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:08,780 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:08,781 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:08,781 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:08,781 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:08,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:08,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:08,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:08,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:08,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:08,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:08,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:08,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:08,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:08,791 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:08,791 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:08,791 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:08,792 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:08,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:08,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:08,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:08,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:08,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:08,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:08,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:08,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:08,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:08,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:08,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:08,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:08,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:08,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:08,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:08,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:08,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:08,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:08,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:08,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:08,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:08,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:08,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:08,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:08,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:08,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:08,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:08,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:08,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:08,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:08,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:08,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:08,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:08,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:08,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:15:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:08,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:08,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:08,840 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:08,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:08,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:08,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:08,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:08,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:08,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:08,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:08,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:15:08,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:08,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:08,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:08,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:08,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:08,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:08,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:08,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:08,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:08,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:08,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:08,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:08,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:08,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:08,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:15:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:08,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:08,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:08,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:08,861 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:08,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:08,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:08,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:08,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:08,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:08,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:08,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:08,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:08,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-21 11:15:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:08,869 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:08,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:08,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:08,871 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:08,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:08,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:08,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:08,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:08,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:08,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:08,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:08,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:08,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-21 11:15:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:08,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:08,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:08,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:08,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:08,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:08,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:08,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:15:08,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:08,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:15:08,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:08,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:08,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:08,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:15:08,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2019872800] [2020-09-21 11:15:08,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:08,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:15:08,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203163390] [2020-09-21 11:15:08,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:15:08,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:08,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:15:08,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:15:08,920 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand 8 states. [2020-09-21 11:15:09,381 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:10,197 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:10,890 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:11,215 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:11,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:11,285 INFO L93 Difference]: Finished difference Result 269 states and 342 transitions. [2020-09-21 11:15:11,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:15:11,286 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 67 [2020-09-21 11:15:11,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:11,287 INFO L225 Difference]: With dead ends: 269 [2020-09-21 11:15:11,288 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:15:11,290 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:15:11,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:15:11,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:15:11,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:15:11,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:15:11,291 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2020-09-21 11:15:11,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:11,291 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:15:11,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:15:11,292 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:15:11,292 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:15:11,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:15:11,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:15:11,519 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:11,709 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:11,894 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:12,065 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 6 [2020-09-21 11:15:12,251 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:12,391 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 6 [2020-09-21 11:15:12,560 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:12,687 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 6 [2020-09-21 11:15:12,849 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:13,011 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:13,169 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:13,337 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:13,497 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:13,664 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:13,820 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:13,975 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:14,131 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:14,395 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:14,561 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:14,723 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:14,883 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:15,046 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:15,202 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:15,366 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:15,522 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:15,672 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:15,829 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:15,981 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:16,130 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:16,279 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:16,433 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:16,587 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:16,739 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:16,893 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:17,043 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:17,206 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:17,364 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:17,546 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:17,705 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:17,872 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:17,977 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 6 [2020-09-21 11:15:18,130 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:18,443 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:15:18,756 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:15:19,068 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:15:19,223 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:19,370 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:19,525 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:19,675 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:19,886 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:20,137 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:20,363 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:20,612 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:20,835 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 11:15:21,036 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:21,268 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:21,470 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:21,753 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:21,969 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:22,230 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:22,631 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-09-21 11:15:22,823 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:23,037 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:23,424 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 11:15:23,642 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:24,030 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 11:15:24,266 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:24,466 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-09-21 11:15:24,863 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 11:15:25,047 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:25,052 INFO L268 CegarLoopResult]: For program point L573(lines 573 577) no Hoare annotation was computed. [2020-09-21 11:15:25,052 INFO L268 CegarLoopResult]: For program point L573-1(lines 573 577) no Hoare annotation was computed. [2020-09-21 11:15:25,053 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-21 11:15:25,053 INFO L268 CegarLoopResult]: For program point L567-2(lines 567 588) no Hoare annotation was computed. [2020-09-21 11:15:25,053 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 542 597) no Hoare annotation was computed. [2020-09-21 11:15:25,053 INFO L268 CegarLoopResult]: For program point L589(lines 566 590) no Hoare annotation was computed. [2020-09-21 11:15:25,053 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 542 597) no Hoare annotation was computed. [2020-09-21 11:15:25,053 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 542 597) no Hoare annotation was computed. [2020-09-21 11:15:25,054 INFO L268 CegarLoopResult]: For program point L630(lines 630 634) no Hoare annotation was computed. [2020-09-21 11:15:25,054 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 598 657) no Hoare annotation was computed. [2020-09-21 11:15:25,054 INFO L268 CegarLoopResult]: For program point L630-1(lines 630 634) no Hoare annotation was computed. [2020-09-21 11:15:25,054 INFO L268 CegarLoopResult]: For program point L625(line 625) no Hoare annotation was computed. [2020-09-21 11:15:25,054 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 598 657) no Hoare annotation was computed. [2020-09-21 11:15:25,054 INFO L268 CegarLoopResult]: For program point L624-2(lines 624 649) no Hoare annotation was computed. [2020-09-21 11:15:25,055 INFO L268 CegarLoopResult]: For program point L650(lines 623 651) no Hoare annotation was computed. [2020-09-21 11:15:25,055 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 598 657) no Hoare annotation was computed. [2020-09-21 11:15:25,055 INFO L268 CegarLoopResult]: For program point L643(line 643) no Hoare annotation was computed. [2020-09-21 11:15:25,055 INFO L268 CegarLoopResult]: For program point L643-1(line 643) no Hoare annotation was computed. [2020-09-21 11:15:25,055 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 257 263) the Hoare annotation is: true [2020-09-21 11:15:25,055 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 257 263) no Hoare annotation was computed. [2020-09-21 11:15:25,056 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 264 272) no Hoare annotation was computed. [2020-09-21 11:15:25,056 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 264 272) the Hoare annotation is: true [2020-09-21 11:15:25,056 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 264 272) no Hoare annotation was computed. [2020-09-21 11:15:25,056 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 857 864) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 11:15:25,056 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 857 864) no Hoare annotation was computed. [2020-09-21 11:15:25,056 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 857 864) no Hoare annotation was computed. [2020-09-21 11:15:25,056 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 865 874) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-09-21 11:15:25,056 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 865 874) no Hoare annotation was computed. [2020-09-21 11:15:25,056 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 865 874) no Hoare annotation was computed. [2020-09-21 11:15:25,057 INFO L268 CegarLoopResult]: For program point L870(line 870) no Hoare annotation was computed. [2020-09-21 11:15:25,057 INFO L264 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:15:25,057 INFO L268 CegarLoopResult]: For program point L888(lines 888 894) no Hoare annotation was computed. [2020-09-21 11:15:25,057 INFO L268 CegarLoopResult]: For program point L887(lines 887 897) no Hoare annotation was computed. [2020-09-21 11:15:25,057 INFO L271 CegarLoopResult]: At program point L885(line 885) the Hoare annotation is: true [2020-09-21 11:15:25,057 INFO L268 CegarLoopResult]: For program point L885-1(line 885) no Hoare annotation was computed. [2020-09-21 11:15:25,057 INFO L268 CegarLoopResult]: For program point L883(lines 883 900) no Hoare annotation was computed. [2020-09-21 11:15:25,057 INFO L268 CegarLoopResult]: For program point L883-1(lines 875 903) no Hoare annotation was computed. [2020-09-21 11:15:25,057 INFO L271 CegarLoopResult]: At program point L881(line 881) the Hoare annotation is: true [2020-09-21 11:15:25,058 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 875 903) the Hoare annotation is: true [2020-09-21 11:15:25,058 INFO L268 CegarLoopResult]: For program point L881-1(line 881) no Hoare annotation was computed. [2020-09-21 11:15:25,058 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 875 903) no Hoare annotation was computed. [2020-09-21 11:15:25,058 INFO L268 CegarLoopResult]: For program point L225(lines 225 232) no Hoare annotation was computed. [2020-09-21 11:15:25,058 INFO L268 CegarLoopResult]: For program point L225-1(lines 225 232) no Hoare annotation was computed. [2020-09-21 11:15:25,058 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-09-21 11:15:25,058 INFO L264 CegarLoopResult]: At program point L222(line 222) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:25,059 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 215 237) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:25,059 INFO L264 CegarLoopResult]: At program point L221(line 221) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:25,059 INFO L264 CegarLoopResult]: At program point L221-1(line 221) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:25,059 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 215 237) no Hoare annotation was computed. [2020-09-21 11:15:25,059 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 215 237) no Hoare annotation was computed. [2020-09-21 11:15:25,060 INFO L264 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:25,060 INFO L264 CegarLoopResult]: At program point L227-1(line 227) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:25,060 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 168 191) no Hoare annotation was computed. [2020-09-21 11:15:25,060 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 168 191) no Hoare annotation was computed. [2020-09-21 11:15:25,060 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 168 191) no Hoare annotation was computed. [2020-09-21 11:15:25,060 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-09-21 11:15:25,060 INFO L268 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-09-21 11:15:25,061 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-21 11:15:25,061 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-09-21 11:15:25,061 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-09-21 11:15:25,061 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-21 11:15:25,061 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-09-21 11:15:25,061 INFO L268 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-09-21 11:15:25,061 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-21 11:15:25,061 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-09-21 11:15:25,062 INFO L268 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-09-21 11:15:25,062 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 11:15:25,062 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-09-21 11:15:25,062 INFO L268 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-09-21 11:15:25,062 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 407 421) no Hoare annotation was computed. [2020-09-21 11:15:25,062 INFO L264 CegarLoopResult]: At program point L413(line 413) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:15:25,062 INFO L268 CegarLoopResult]: For program point L411(lines 411 417) no Hoare annotation was computed. [2020-09-21 11:15:25,063 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 407 421) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 11:15:25,063 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 407 421) no Hoare annotation was computed. [2020-09-21 11:15:25,063 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 317 324) no Hoare annotation was computed. [2020-09-21 11:15:25,063 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 317 324) no Hoare annotation was computed. [2020-09-21 11:15:25,063 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 317 324) no Hoare annotation was computed. [2020-09-21 11:15:25,063 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 362 370) no Hoare annotation was computed. [2020-09-21 11:15:25,063 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 362 370) the Hoare annotation is: true [2020-09-21 11:15:25,063 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 362 370) no Hoare annotation was computed. [2020-09-21 11:15:25,064 INFO L268 CegarLoopResult]: For program point L378(lines 378 386) no Hoare annotation was computed. [2020-09-21 11:15:25,064 INFO L268 CegarLoopResult]: For program point L378-2(lines 378 386) no Hoare annotation was computed. [2020-09-21 11:15:25,064 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-09-21 11:15:25,064 INFO L268 CegarLoopResult]: For program point L401-1(line 401) no Hoare annotation was computed. [2020-09-21 11:15:25,064 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 371 406) no Hoare annotation was computed. [2020-09-21 11:15:25,064 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 371 406) no Hoare annotation was computed. [2020-09-21 11:15:25,064 INFO L268 CegarLoopResult]: For program point L390(lines 390 398) no Hoare annotation was computed. [2020-09-21 11:15:25,064 INFO L268 CegarLoopResult]: For program point L390-2(lines 390 398) no Hoare annotation was computed. [2020-09-21 11:15:25,064 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 371 406) no Hoare annotation was computed. [2020-09-21 11:15:25,064 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 250 256) no Hoare annotation was computed. [2020-09-21 11:15:25,064 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 250 256) the Hoare annotation is: true [2020-09-21 11:15:25,065 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 496 541) no Hoare annotation was computed. [2020-09-21 11:15:25,065 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 496 541) no Hoare annotation was computed. [2020-09-21 11:15:25,065 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 496 541) no Hoare annotation was computed. [2020-09-21 11:15:25,065 INFO L268 CegarLoopResult]: For program point L829(lines 829 836) no Hoare annotation was computed. [2020-09-21 11:15:25,065 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 809 854) no Hoare annotation was computed. [2020-09-21 11:15:25,065 INFO L268 CegarLoopResult]: For program point L823(lines 823 843) no Hoare annotation was computed. [2020-09-21 11:15:25,065 INFO L268 CegarLoopResult]: For program point L823-1(lines 823 843) no Hoare annotation was computed. [2020-09-21 11:15:25,065 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 809 854) no Hoare annotation was computed. [2020-09-21 11:15:25,065 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 809 854) no Hoare annotation was computed. [2020-09-21 11:15:25,065 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 201 211) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:25,066 INFO L264 CegarLoopResult]: At program point L206(line 206) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:25,066 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 201 211) no Hoare annotation was computed. [2020-09-21 11:15:25,066 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 201 211) no Hoare annotation was computed. [2020-09-21 11:15:25,066 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 351 361) no Hoare annotation was computed. [2020-09-21 11:15:25,066 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 351 361) no Hoare annotation was computed. [2020-09-21 11:15:25,066 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 351 361) no Hoare annotation was computed. [2020-09-21 11:15:25,066 INFO L268 CegarLoopResult]: For program point L356(line 356) no Hoare annotation was computed. [2020-09-21 11:15:25,066 INFO L268 CegarLoopResult]: For program point L356-1(line 356) no Hoare annotation was computed. [2020-09-21 11:15:25,066 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 343 350) the Hoare annotation is: true [2020-09-21 11:15:25,066 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 343 350) no Hoare annotation was computed. [2020-09-21 11:15:25,066 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 343 350) no Hoare annotation was computed. [2020-09-21 11:15:25,067 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 310 316) no Hoare annotation was computed. [2020-09-21 11:15:25,067 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 310 316) the Hoare annotation is: true [2020-09-21 11:15:25,067 INFO L264 CegarLoopResult]: At program point L481(lines 432 482) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:25,067 INFO L264 CegarLoopResult]: At program point testENTRY(lines 423 488) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:25,067 INFO L264 CegarLoopResult]: At program point L471(line 471) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:25,067 INFO L268 CegarLoopResult]: For program point testFINAL(lines 423 488) no Hoare annotation was computed. [2020-09-21 11:15:25,067 INFO L268 CegarLoopResult]: For program point L469(lines 469 475) no Hoare annotation was computed. [2020-09-21 11:15:25,067 INFO L264 CegarLoopResult]: At program point L469-1(lines 463 476) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:25,067 INFO L268 CegarLoopResult]: For program point L434(lines 433 480) no Hoare annotation was computed. [2020-09-21 11:15:25,067 INFO L268 CegarLoopResult]: For program point L463(lines 463 476) no Hoare annotation was computed. [2020-09-21 11:15:25,067 INFO L264 CegarLoopResult]: At program point L455(line 455) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:25,067 INFO L268 CegarLoopResult]: For program point L453(lines 453 459) no Hoare annotation was computed. [2020-09-21 11:15:25,068 INFO L268 CegarLoopResult]: For program point L453-1(lines 453 459) no Hoare annotation was computed. [2020-09-21 11:15:25,068 INFO L264 CegarLoopResult]: At program point L478(lines 433 480) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:25,068 INFO L264 CegarLoopResult]: At program point L445(line 445) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:25,068 INFO L268 CegarLoopResult]: For program point L443(lines 443 449) no Hoare annotation was computed. [2020-09-21 11:15:25,068 INFO L268 CegarLoopResult]: For program point L443-1(lines 443 449) no Hoare annotation was computed. [2020-09-21 11:15:25,068 INFO L268 CegarLoopResult]: For program point L435(lines 435 439) no Hoare annotation was computed. [2020-09-21 11:15:25,068 INFO L268 CegarLoopResult]: For program point testEXIT(lines 423 488) no Hoare annotation was computed. [2020-09-21 11:15:25,068 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 763 808) no Hoare annotation was computed. [2020-09-21 11:15:25,068 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 763 808) no Hoare annotation was computed. [2020-09-21 11:15:25,068 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 763 808) no Hoare annotation was computed. [2020-09-21 11:15:25,068 INFO L268 CegarLoopResult]: For program point L783(lines 783 790) no Hoare annotation was computed. [2020-09-21 11:15:25,068 INFO L268 CegarLoopResult]: For program point L777(lines 777 797) no Hoare annotation was computed. [2020-09-21 11:15:25,068 INFO L268 CegarLoopResult]: For program point L777-1(lines 777 797) no Hoare annotation was computed. [2020-09-21 11:15:25,069 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-09-21 11:15:25,069 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-09-21 11:15:25,069 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-09-21 11:15:25,069 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-09-21 11:15:25,069 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-09-21 11:15:25,069 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 240 249) no Hoare annotation was computed. [2020-09-21 11:15:25,069 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 240 249) no Hoare annotation was computed. [2020-09-21 11:15:25,069 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 240 249) no Hoare annotation was computed. [2020-09-21 11:15:25,069 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 660 762) no Hoare annotation was computed. [2020-09-21 11:15:25,069 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-09-21 11:15:25,069 INFO L268 CegarLoopResult]: For program point L725-1(line 725) no Hoare annotation was computed. [2020-09-21 11:15:25,069 INFO L268 CegarLoopResult]: For program point L684(lines 684 688) no Hoare annotation was computed. [2020-09-21 11:15:25,069 INFO L268 CegarLoopResult]: For program point L748(lines 748 759) no Hoare annotation was computed. [2020-09-21 11:15:25,070 INFO L268 CegarLoopResult]: For program point L711(lines 711 715) no Hoare annotation was computed. [2020-09-21 11:15:25,070 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 660 762) no Hoare annotation was computed. [2020-09-21 11:15:25,070 INFO L268 CegarLoopResult]: For program point L709-2(lines 709 729) no Hoare annotation was computed. [2020-09-21 11:15:25,070 INFO L268 CegarLoopResult]: For program point L730(lines 708 731) no Hoare annotation was computed. [2020-09-21 11:15:25,070 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 660 762) no Hoare annotation was computed. [2020-09-21 11:15:25,070 INFO L268 CegarLoopResult]: For program point L689(lines 689 705) no Hoare annotation was computed. [2020-09-21 11:15:25,070 INFO L268 CegarLoopResult]: For program point L749(lines 749 756) no Hoare annotation was computed. [2020-09-21 11:15:25,070 INFO L268 CegarLoopResult]: For program point L710(lines 709 729) no Hoare annotation was computed. [2020-09-21 11:15:25,070 INFO L268 CegarLoopResult]: For program point L741(line 741) no Hoare annotation was computed. [2020-09-21 11:15:25,070 INFO L268 CegarLoopResult]: For program point L741-1(line 741) no Hoare annotation was computed. [2020-09-21 11:15:25,070 INFO L268 CegarLoopResult]: For program point L706(lines 706 747) no Hoare annotation was computed. [2020-09-21 11:15:25,070 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:15:25,071 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-09-21 11:15:25,071 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:15:25,071 INFO L268 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed. [2020-09-21 11:15:25,071 INFO L268 CegarLoopResult]: For program point L337-1(lines 326 342) no Hoare annotation was computed. [2020-09-21 11:15:25,071 INFO L268 CegarLoopResult]: For program point L333(lines 333 339) no Hoare annotation was computed. [2020-09-21 11:15:25,071 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 326 342) no Hoare annotation was computed. [2020-09-21 11:15:25,071 INFO L268 CegarLoopResult]: For program point L331(line 331) no Hoare annotation was computed. [2020-09-21 11:15:25,071 INFO L268 CegarLoopResult]: For program point L331-1(line 331) no Hoare annotation was computed. [2020-09-21 11:15:25,072 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 326 342) no Hoare annotation was computed. [2020-09-21 11:15:25,072 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2020-09-21 11:15:25,072 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-09-21 11:15:25,072 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-09-21 11:15:25,072 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:15:25,072 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-09-21 11:15:25,072 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-09-21 11:15:25,072 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:15:25,072 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:15:25,073 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:15:25,073 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 84 92) no Hoare annotation was computed. [2020-09-21 11:15:25,073 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-09-21 11:15:25,073 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-09-21 11:15:25,073 INFO L268 CegarLoopResult]: For program point L288(lines 286 308) no Hoare annotation was computed. [2020-09-21 11:15:25,073 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 283 309) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:15:25,074 INFO L271 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: true [2020-09-21 11:15:25,074 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 283 309) no Hoare annotation was computed. [2020-09-21 11:15:25,074 INFO L271 CegarLoopResult]: At program point L297(lines 297 303) the Hoare annotation is: true [2020-09-21 11:15:25,074 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 283 309) no Hoare annotation was computed. [2020-09-21 11:15:25,074 INFO L264 CegarLoopResult]: At program point L292(line 292) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:15:25,074 INFO L268 CegarLoopResult]: For program point L290(lines 286 308) no Hoare annotation was computed. [2020-09-21 11:15:25,074 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 137 166) no Hoare annotation was computed. [2020-09-21 11:15:25,075 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-09-21 11:15:25,075 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 137 166) the Hoare annotation is: true [2020-09-21 11:15:25,075 INFO L268 CegarLoopResult]: For program point L151(lines 151 155) no Hoare annotation was computed. [2020-09-21 11:15:25,075 INFO L271 CegarLoopResult]: At program point L151-1(lines 151 155) the Hoare annotation is: true [2020-09-21 11:15:25,075 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-21 11:15:25,075 INFO L271 CegarLoopResult]: At program point L147-2(lines 147 161) the Hoare annotation is: true [2020-09-21 11:15:25,075 INFO L271 CegarLoopResult]: At program point L143(line 143) the Hoare annotation is: true [2020-09-21 11:15:25,075 INFO L268 CegarLoopResult]: For program point L143-1(line 143) no Hoare annotation was computed. [2020-09-21 11:15:25,075 INFO L271 CegarLoopResult]: At program point L162(lines 137 166) the Hoare annotation is: true [2020-09-21 11:15:25,075 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-09-21 11:15:25,075 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-09-21 11:15:25,076 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-09-21 11:15:25,076 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 192 198) no Hoare annotation was computed. [2020-09-21 11:15:25,076 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 192 198) the Hoare annotation is: true [2020-09-21 11:15:25,076 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:15:25,076 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:15:25,076 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:15:25,076 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:15:25,076 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-09-21 11:15:25,077 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-09-21 11:15:25,077 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:15:25,077 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 126 133) no Hoare annotation was computed. [2020-09-21 11:15:25,077 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2020-09-21 11:15:25,077 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 126 133) the Hoare annotation is: true [2020-09-21 11:15:25,078 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 126 133) no Hoare annotation was computed. [2020-09-21 11:15:25,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:15:25 BoogieIcfgContainer [2020-09-21 11:15:25,108 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:15:25,110 INFO L168 Benchmark]: Toolchain (without parser) took 26270.72 ms. Allocated memory was 141.0 MB in the beginning and 511.7 MB in the end (delta: 370.7 MB). Free memory was 103.3 MB in the beginning and 107.7 MB in the end (delta: -4.4 MB). Peak memory consumption was 366.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:25,111 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:15:25,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.04 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 102.6 MB in the beginning and 172.8 MB in the end (delta: -70.2 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:25,114 INFO L168 Benchmark]: Boogie Preprocessor took 99.05 ms. Allocated memory is still 205.0 MB. Free memory was 172.8 MB in the beginning and 168.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:25,115 INFO L168 Benchmark]: RCFGBuilder took 1177.93 ms. Allocated memory was 205.0 MB in the beginning and 235.4 MB in the end (delta: 30.4 MB). Free memory was 168.2 MB in the beginning and 196.7 MB in the end (delta: -28.5 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:25,116 INFO L168 Benchmark]: TraceAbstraction took 24271.88 ms. Allocated memory was 235.4 MB in the beginning and 511.7 MB in the end (delta: 276.3 MB). Free memory was 195.3 MB in the beginning and 107.7 MB in the end (delta: 87.6 MB). Peak memory consumption was 364.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:25,120 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.04 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 102.6 MB in the beginning and 172.8 MB in the end (delta: -70.2 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.05 ms. Allocated memory is still 205.0 MB. Free memory was 172.8 MB in the beginning and 168.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1177.93 ms. Allocated memory was 205.0 MB in the beginning and 235.4 MB in the end (delta: 30.4 MB). Free memory was 168.2 MB in the beginning and 196.7 MB in the end (delta: -28.5 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24271.88 ms. Allocated memory was 235.4 MB in the beginning and 511.7 MB in the end (delta: 276.3 MB). Free memory was 195.3 MB in the beginning and 107.7 MB in the end (delta: 87.6 MB). Peak memory consumption was 364.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: 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: 147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 217 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.3s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 374 SDtfs, 417 SDslu, 273 SDs, 0 SdLazy, 782 SolverSat, 262 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 101 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 223 PreInvPairs, 254 NumberOfFragments, 592 HoareAnnotationTreeSize, 223 FomulaSimplifications, 9914 FormulaSimplificationTreeSizeReduction, 8.3s HoareSimplificationTime, 47 FomulaSimplificationsInter, 6599 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 253 NumberOfCodeBlocks, 253 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 249 ConstructedInterpolants, 0 QuantifiedInterpolants, 71251 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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...