/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_spec4_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:11:19,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:11:19,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:11:19,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:11:19,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:11:19,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:11:19,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:11:19,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:11:19,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:11:19,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:11:19,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:11:19,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:11:19,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:11:19,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:11:19,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:11:19,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:11:19,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:11:19,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:11:19,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:11:19,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:11:19,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:11:19,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:11:19,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:11:19,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:11:19,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:11:19,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:11:19,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:11:19,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:11:19,665 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:11:19,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:11:19,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:11:19,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:11:19,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:11:19,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:11:19,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:11:19,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:11:19,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:11:19,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:11:19,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:11:19,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:11:19,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:11:19,677 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 11:11:19,722 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:11:19,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:11:19,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:11:19,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:11:19,725 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:11:19,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:11:19,726 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:11:19,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:11:19,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:11:19,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:11:19,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:11:19,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:11:19,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:11:19,728 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:11:19,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:11:19,729 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:11:19,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:11:19,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:11:19,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:11:19,730 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:11:19,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:11:19,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:11:19,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:11:19,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:11:19,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:11:19,731 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:11:19,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:11:19,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:11:19,732 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:11:19,732 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 11:11:20,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:11:20,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:11:20,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:11:20,211 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:11:20,212 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:11:20,213 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2020-09-21 11:11:20,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/983e747d5/6e724e5f28ed4c7bb5493d2db147929a/FLAG335de2110 [2020-09-21 11:11:20,924 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:11:20,925 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2020-09-21 11:11:20,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/983e747d5/6e724e5f28ed4c7bb5493d2db147929a/FLAG335de2110 [2020-09-21 11:11:21,192 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/983e747d5/6e724e5f28ed4c7bb5493d2db147929a [2020-09-21 11:11:21,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:11:21,211 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:11:21,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:11:21,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:11:21,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:11:21,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:11:21" (1/1) ... [2020-09-21 11:11:21,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c86c800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:21, skipping insertion in model container [2020-09-21 11:11:21,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:11:21" (1/1) ... [2020-09-21 11:11:21,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:11:21,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:11:21,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:11:21,656 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:11:21,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:11:21,902 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:11:21,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:21 WrapperNode [2020-09-21 11:11:21,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:11:21,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:11:21,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:11:21,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:11:21,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:21" (1/1) ... [2020-09-21 11:11:21,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:21" (1/1) ... [2020-09-21 11:11:21,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:21" (1/1) ... [2020-09-21 11:11:21,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:21" (1/1) ... [2020-09-21 11:11:22,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:21" (1/1) ... [2020-09-21 11:11:22,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:21" (1/1) ... [2020-09-21 11:11:22,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:21" (1/1) ... [2020-09-21 11:11:22,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:11:22,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:11:22,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:11:22,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:11:22,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:21" (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 11:11:22,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:11:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:11:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:11:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:11:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:11:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:11:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:11:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:11:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:11:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:11:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:11:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:11:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:11:22,188 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:11:22,188 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:11:22,189 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:11:22,189 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:11:22,189 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:11:22,189 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 11:11:22,190 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:11:22,190 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:11:22,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:11:22,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:11:22,190 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:11:22,191 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:11:22,192 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:11:22,192 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:11:22,192 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:11:22,192 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:11:22,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:11:22,192 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:11:22,193 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:11:22,193 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:11:22,193 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:11:22,193 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:11:22,193 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:11:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:11:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:11:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:11:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:11:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:11:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:11:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:11:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:11:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:11:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:11:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:11:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:11:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:11:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:11:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:11:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:11:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:11:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:11:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:11:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:11:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:11:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:11:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:11:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:11:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:11:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:11:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:11:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:11:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:11:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:11:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:11:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:11:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:11:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:11:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:11:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:11:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:11:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:11:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:11:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:11:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:11:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:11:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:11:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:11:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 11:11:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:11:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:11:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:11:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:11:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:11:23,258 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:11:23,258 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:11:23,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:11:23 BoogieIcfgContainer [2020-09-21 11:11:23,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:11:23,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:11:23,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:11:23,274 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:11:23,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:11:21" (1/3) ... [2020-09-21 11:11:23,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae873d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:11:23, skipping insertion in model container [2020-09-21 11:11:23,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:21" (2/3) ... [2020-09-21 11:11:23,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae873d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:11:23, skipping insertion in model container [2020-09-21 11:11:23,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:11:23" (3/3) ... [2020-09-21 11:11:23,281 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2020-09-21 11:11:23,293 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:11:23,308 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:11:23,332 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:11:23,359 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:11:23,359 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:11:23,359 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:11:23,359 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:11:23,360 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:11:23,360 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:11:23,360 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:11:23,360 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:11:23,384 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2020-09-21 11:11:23,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:11:23,394 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:23,395 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:23,396 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:23,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:23,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1687671781, now seen corresponding path program 1 times [2020-09-21 11:11:23,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:23,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2055888370] [2020-09-21 11:11:23,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:23,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:23,714 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:23,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:23,715 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:23,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:11:23,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:23,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:11:23,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:23,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:23,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:11:23,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:23,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:24,121 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:24,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:24,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:24,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:24,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:24,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:24,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:24,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:24,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:24,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:24,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:24,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:24,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:24,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:24,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:24,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:24,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:24,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:24,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:24,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:24,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:24,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:24,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:24,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:24,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:24,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:24,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:24,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:24,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:24,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:24,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:24,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:24,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:24,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:24,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:24,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:24,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:24,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:24,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:24,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:24,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:24,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:24,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:24,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:24,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:24,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:24,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:24,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:24,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:24,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:24,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:24,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:24,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:24,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:24,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:24,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:24,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:24,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:24,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:24,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:24,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:24,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:24,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:24,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:24,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:24,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:11:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:24,237 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:24,237 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:24,238 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:24,238 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:24,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:24,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:24,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:24,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:24,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:24,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:24,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:24,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:11:24,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:11:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:24,248 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:24,249 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:24,249 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:24,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:24,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:24,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:24,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:24,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:24,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:24,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:24,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:24,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:24,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:24,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2055888370] [2020-09-21 11:11:24,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:24,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:11:24,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025168140] [2020-09-21 11:11:24,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:11:24,280 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:24,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:11:24,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:11:24,302 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 3 states. [2020-09-21 11:11:25,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:25,223 INFO L93 Difference]: Finished difference Result 208 states and 280 transitions. [2020-09-21 11:11:25,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:11:25,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:11:25,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:25,244 INFO L225 Difference]: With dead ends: 208 [2020-09-21 11:11:25,244 INFO L226 Difference]: Without dead ends: 114 [2020-09-21 11:11:25,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:11:25,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-09-21 11:11:25,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 85. [2020-09-21 11:11:25,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-09-21 11:11:25,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2020-09-21 11:11:25,342 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2020-09-21 11:11:25,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:25,342 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2020-09-21 11:11:25,343 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:11:25,343 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2020-09-21 11:11:25,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:11:25,346 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:25,347 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:25,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:11:25,347 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:25,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:25,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1046203216, now seen corresponding path program 1 times [2020-09-21 11:11:25,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:25,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [892062112] [2020-09-21 11:11:25,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:25,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:25,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:25,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:25,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:25,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:11:25,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:25,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:11:25,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:25,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:25,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:11:25,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:11:25,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:25,752 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:25,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:25,761 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:25,762 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:25,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:25,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:25,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:25,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:25,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:25,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:25,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:25,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:25,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:25,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:25,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:25,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:25,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:25,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:25,802 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:25,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:25,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:25,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:25,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:25,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:25,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:25,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:25,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:25,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:25,807 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:25,807 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:25,807 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:25,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:25,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:25,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:25,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:25,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:25,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:25,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:25,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:25,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:25,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:25,813 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:25,813 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:25,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:25,814 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:25,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:25,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:25,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:25,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:25,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:25,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:25,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:25,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:25,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:25,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:25,819 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:25,819 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:25,819 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:25,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:25,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:25,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:25,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:25,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:25,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:25,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:25,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:25,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:11:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:25,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:25,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:25,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:25,825 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:25,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:25,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:25,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:25,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:25,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:25,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:25,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:25,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:25,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:11:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:25,830 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:25,831 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:25,831 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:25,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:25,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:25,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:25,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:25,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:25,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:25,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:25,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:25,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:25,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:25,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [892062112] [2020-09-21 11:11:25,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:25,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:11:25,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120202131] [2020-09-21 11:11:25,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:11:25,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:25,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:11:25,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:11:25,844 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 4 states. [2020-09-21 11:11:26,272 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:11:26,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:26,755 INFO L93 Difference]: Finished difference Result 137 states and 167 transitions. [2020-09-21 11:11:26,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:11:26,758 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:11:26,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:26,760 INFO L225 Difference]: With dead ends: 137 [2020-09-21 11:11:26,760 INFO L226 Difference]: Without dead ends: 98 [2020-09-21 11:11:26,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:11:26,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-09-21 11:11:26,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2020-09-21 11:11:26,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-21 11:11:26,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2020-09-21 11:11:26,791 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2020-09-21 11:11:26,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:26,792 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2020-09-21 11:11:26,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:11:26,792 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2020-09-21 11:11:26,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:11:26,794 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:26,794 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:26,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:11:26,795 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:26,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:26,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1948536442, now seen corresponding path program 1 times [2020-09-21 11:11:26,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:26,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1717429724] [2020-09-21 11:11:26,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:27,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:27,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:27,177 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:27,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:27,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:11:27,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:27,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 326 [2020-09-21 11:11:27,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:27,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:11:27,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:27,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:11:27,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:27,564 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:27,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:27,647 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:27,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:27,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:27,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:27,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:27,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:27,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 11:11:27,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:27,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:27,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:27,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:27,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:27,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:27,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:27,689 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:27,689 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:27,690 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:27,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:27,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:27,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:27,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:27,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:27,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:27,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:27,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:27,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:27,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:27,695 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:27,695 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:27,695 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:27,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:27,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:27,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:27,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:27,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:27,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:27,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:27,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:27,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:27,701 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:27,701 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:27,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:27,701 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:27,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:27,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:27,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:27,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:27,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:27,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:27,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:27,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:27,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:27,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:27,708 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:27,708 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:27,708 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:27,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:27,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:27,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:27,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:27,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:27,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:27,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:27,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:27,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:11:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:27,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:27,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:27,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:27,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:27,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:27,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:27,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:27,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:27,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:27,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:27,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:27,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:27,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:11:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:27,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:27,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:27,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:27,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:27,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:27,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:27,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:27,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:27,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:27,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:27,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:27,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:27,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:27,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1717429724] [2020-09-21 11:11:27,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:27,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:11:27,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484043543] [2020-09-21 11:11:27,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:11:27,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:27,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:11:27,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:11:27,733 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 4 states. [2020-09-21 11:11:28,071 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:28,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:28,719 INFO L93 Difference]: Finished difference Result 150 states and 185 transitions. [2020-09-21 11:11:28,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:11:28,720 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 11:11:28,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:28,723 INFO L225 Difference]: With dead ends: 150 [2020-09-21 11:11:28,723 INFO L226 Difference]: Without dead ends: 98 [2020-09-21 11:11:28,724 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:11:28,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-09-21 11:11:28,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2020-09-21 11:11:28,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-21 11:11:28,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2020-09-21 11:11:28,750 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2020-09-21 11:11:28,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:28,750 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2020-09-21 11:11:28,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:11:28,751 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2020-09-21 11:11:28,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-21 11:11:28,752 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:28,753 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:28,753 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:11:28,753 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:28,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:28,753 INFO L82 PathProgramCache]: Analyzing trace with hash -952018290, now seen corresponding path program 1 times [2020-09-21 11:11:28,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:28,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [930066881] [2020-09-21 11:11:28,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:29,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:29,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:29,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:29,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:29,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-21 11:11:29,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:29,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 405 [2020-09-21 11:11:29,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:29,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:11:29,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:29,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 11:11:29,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:29,535 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:29,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:29,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:29,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:29,631 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:29,632 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:29,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:29,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:29,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 11:11:29,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:29,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:29,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:29,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:29,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:29,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:29,674 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:29,674 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:29,674 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:29,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:29,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:29,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:29,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:29,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:29,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:29,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:29,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:29,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:29,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:29,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:29,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:29,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:29,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:29,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:29,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:29,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:29,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:29,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:29,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:29,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:29,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:29,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:29,703 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:29,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:29,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:29,704 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:29,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:29,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:29,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:29,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:29,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:29,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:29,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:29,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:29,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:29,711 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:29,712 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:29,712 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:29,712 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:29,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:29,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:29,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:29,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:29,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:29,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:29,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:29,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:29,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:11:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:29,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:29,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:29,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:29,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:29,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:29,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:29,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:29,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:29,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:29,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:29,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:29,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:29,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:11:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:29,731 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:29,731 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:29,731 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:29,731 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:29,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:29,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:29,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:29,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:29,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:29,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:29,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:29,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:29,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:11:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:29,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:29,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:29,751 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:29,751 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:29,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:29,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:29,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:29,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:29,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:29,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:29,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:29,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:29,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:29,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [930066881] [2020-09-21 11:11:29,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:29,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:11:29,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774175635] [2020-09-21 11:11:29,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:11:29,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:29,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:11:29,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:11:29,794 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 7 states. [2020-09-21 11:11:30,339 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:31,319 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:31,674 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:31,971 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:32,246 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:32,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:32,633 INFO L93 Difference]: Finished difference Result 189 states and 236 transitions. [2020-09-21 11:11:32,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:11:32,634 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-09-21 11:11:32,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:32,637 INFO L225 Difference]: With dead ends: 189 [2020-09-21 11:11:32,637 INFO L226 Difference]: Without dead ends: 137 [2020-09-21 11:11:32,639 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:11:32,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-09-21 11:11:32,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 124. [2020-09-21 11:11:32,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-09-21 11:11:32,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2020-09-21 11:11:32,677 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 55 [2020-09-21 11:11:32,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:32,678 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2020-09-21 11:11:32,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:11:32,678 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2020-09-21 11:11:32,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:11:32,680 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:32,680 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:32,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:11:32,681 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:32,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:32,681 INFO L82 PathProgramCache]: Analyzing trace with hash -939297624, now seen corresponding path program 1 times [2020-09-21 11:11:32,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:32,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [416953445] [2020-09-21 11:11:32,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:32,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:32,756 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:32,756 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:32,756 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:32,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 11:11:32,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:32,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 11:11:32,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:32,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:32,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:32,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:11:32,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:33,048 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:33,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:33,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:33,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:33,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:33,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:33,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:33,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:33,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 11:11:33,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:33,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:33,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:33,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:33,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:33,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:33,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:33,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:33,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:33,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:33,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:33,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:33,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:33,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:33,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:33,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:33,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:33,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:33,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:33,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:33,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:33,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:33,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:33,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:33,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:33,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:33,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:33,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:33,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:33,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:33,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:33,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:33,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:33,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:33,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:33,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:33,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:33,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:33,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:33,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:33,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:33,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:33,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:33,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:33,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:33,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:33,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:33,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:33,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:33,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:33,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:33,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:33,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:33,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:33,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:33,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:33,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:33,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:11:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:33,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:33,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:33,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:33,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:33,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:33,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:33,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:33,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:33,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:33,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:33,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:33,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:33,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:11:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:33,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:33,178 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:33,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:33,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:33,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:33,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:33,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:33,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:33,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:33,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-21 11:11:33,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:33,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:33,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:11:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:33,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:33,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:33,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:33,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:33,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:33,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:33,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:33,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:33,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:33,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:33,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:33,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:33,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:11:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:33,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:33,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:33,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:33,188 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:33,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:33,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:33,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:33,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:33,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:33,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:33,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:33,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:33,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [416953445] [2020-09-21 11:11:33,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:33,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:11:33,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293282520] [2020-09-21 11:11:33,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:11:33,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:33,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:11:33,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:11:33,204 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 5 states. [2020-09-21 11:11:33,507 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:34,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:34,051 INFO L93 Difference]: Finished difference Result 187 states and 226 transitions. [2020-09-21 11:11:34,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:11:34,052 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-09-21 11:11:34,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:34,054 INFO L225 Difference]: With dead ends: 187 [2020-09-21 11:11:34,054 INFO L226 Difference]: Without dead ends: 124 [2020-09-21 11:11:34,055 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:11:34,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-09-21 11:11:34,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 111. [2020-09-21 11:11:34,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-09-21 11:11:34,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 124 transitions. [2020-09-21 11:11:34,085 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 124 transitions. Word has length 59 [2020-09-21 11:11:34,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:34,085 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 124 transitions. [2020-09-21 11:11:34,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:11:34,086 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 124 transitions. [2020-09-21 11:11:34,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:11:34,087 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:34,087 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:34,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:11:34,088 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:34,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:34,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1253672684, now seen corresponding path program 1 times [2020-09-21 11:11:34,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:34,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [69539431] [2020-09-21 11:11:34,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:34,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:34,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:34,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:34,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:34,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 11:11:34,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:34,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 333 [2020-09-21 11:11:34,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:34,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:11:34,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:34,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 11:11:34,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:34,818 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:34,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:34,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:34,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:34,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:34,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:34,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:34,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:34,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 11:11:34,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:34,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:34,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:34,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:34,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:34,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:34,903 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:34,903 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:34,904 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:34,904 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:34,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:34,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:34,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:34,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:34,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:34,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:34,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:34,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:34,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:34,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:34,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:34,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:34,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:34,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:34,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:34,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:34,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:34,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:34,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:34,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:34,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:34,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:34,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:34,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:34,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:34,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:34,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:34,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:34,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:34,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:34,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:34,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:34,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:34,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:34,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:34,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:34,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:34,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:34,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:34,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:34,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:34,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:34,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:34,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:34,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:34,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:34,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:34,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:34,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:11:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:34,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:34,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:34,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:34,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:34,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:34,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:34,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:11:34,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:34,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:34,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:11:34,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:11:34,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:34,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:11:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:34,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:34,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:34,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:34,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:34,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:34,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:34,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:34,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:34,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:34,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:34,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:34,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:34,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:11:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:34,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:34,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:34,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:34,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:34,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:34,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:34,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:34,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:34,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:34,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:34,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:34,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:35,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:11:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:35,011 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:35,012 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:35,012 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:35,012 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:35,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:35,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:35,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:35,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:35,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:35,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:35,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:35,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:35,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:35,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [69539431] [2020-09-21 11:11:35,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:35,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:11:35,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408759701] [2020-09-21 11:11:35,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:11:35,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:35,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:11:35,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:11:35,025 INFO L87 Difference]: Start difference. First operand 111 states and 124 transitions. Second operand 10 states. [2020-09-21 11:11:35,486 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:36,168 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:36,716 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:37,060 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:37,424 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:37,747 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:38,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:38,006 INFO L93 Difference]: Finished difference Result 165 states and 195 transitions. [2020-09-21 11:11:38,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:11:38,007 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2020-09-21 11:11:38,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:38,008 INFO L225 Difference]: With dead ends: 165 [2020-09-21 11:11:38,008 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:11:38,010 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:11:38,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:11:38,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:11:38,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:11:38,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:11:38,011 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-09-21 11:11:38,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:38,011 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:11:38,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:11:38,012 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:11:38,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:11:38,012 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:11:38,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:11:38,515 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 157 [2020-09-21 11:11:38,682 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:38,853 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:39,016 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:39,179 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:39,346 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:39,509 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:39,670 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:39,933 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:11:40,199 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:40,465 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:40,623 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:40,874 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:11:41,129 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:41,381 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:41,541 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:41,695 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:41,850 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:42,223 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 157 [2020-09-21 11:11:42,370 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:42,530 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:42,688 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:42,852 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:43,027 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:43,182 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:43,334 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:43,486 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:43,641 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:43,802 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:43,955 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:44,110 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:44,266 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:44,423 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:44,575 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:44,727 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:45,096 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 157 [2020-09-21 11:11:45,255 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:45,408 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:45,561 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:45,714 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:45,866 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:46,019 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:46,377 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 157 [2020-09-21 11:11:46,737 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 157 [2020-09-21 11:11:46,880 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 22 [2020-09-21 11:11:47,088 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 11:11:47,337 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 11:11:47,561 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 11:11:47,801 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:11:48,018 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 11:11:48,650 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-09-21 11:11:48,870 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 11:11:49,505 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-09-21 11:11:50,132 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-09-21 11:11:50,283 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 22 [2020-09-21 11:11:50,538 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:50,756 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 11:11:50,989 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 11:11:51,619 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-09-21 11:11:51,832 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:11:52,472 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-09-21 11:11:52,687 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:11:52,855 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 22 [2020-09-21 11:11:53,474 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-09-21 11:11:53,689 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 11:11:53,903 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:11:54,050 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 22 [2020-09-21 11:11:54,213 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 22 [2020-09-21 11:11:54,218 INFO L268 CegarLoopResult]: For program point L152(lines 152 156) no Hoare annotation was computed. [2020-09-21 11:11:54,218 INFO L268 CegarLoopResult]: For program point L152-1(lines 152 156) no Hoare annotation was computed. [2020-09-21 11:11:54,218 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-09-21 11:11:54,218 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 121 176) no Hoare annotation was computed. [2020-09-21 11:11:54,218 INFO L268 CegarLoopResult]: For program point L146-2(lines 146 167) no Hoare annotation was computed. [2020-09-21 11:11:54,218 INFO L268 CegarLoopResult]: For program point L168(lines 145 169) no Hoare annotation was computed. [2020-09-21 11:11:54,219 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 121 176) no Hoare annotation was computed. [2020-09-21 11:11:54,219 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 121 176) no Hoare annotation was computed. [2020-09-21 11:11:54,219 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-09-21 11:11:54,219 INFO L268 CegarLoopResult]: For program point L222-1(line 222) no Hoare annotation was computed. [2020-09-21 11:11:54,219 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 177 236) no Hoare annotation was computed. [2020-09-21 11:11:54,219 INFO L268 CegarLoopResult]: For program point L209(lines 209 213) no Hoare annotation was computed. [2020-09-21 11:11:54,219 INFO L268 CegarLoopResult]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2020-09-21 11:11:54,220 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 177 236) no Hoare annotation was computed. [2020-09-21 11:11:54,220 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-09-21 11:11:54,221 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 177 236) no Hoare annotation was computed. [2020-09-21 11:11:54,221 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 228) no Hoare annotation was computed. [2020-09-21 11:11:54,221 INFO L268 CegarLoopResult]: For program point L229(lines 202 230) no Hoare annotation was computed. [2020-09-21 11:11:54,223 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 852 858) the Hoare annotation is: true [2020-09-21 11:11:54,223 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 852 858) no Hoare annotation was computed. [2020-09-21 11:11:54,223 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 859 867) no Hoare annotation was computed. [2020-09-21 11:11:54,223 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 859 867) the Hoare annotation is: true [2020-09-21 11:11:54,223 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 859 867) no Hoare annotation was computed. [2020-09-21 11:11:54,223 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-09-21 11:11:54,225 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-09-21 11:11:54,225 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-09-21 11:11:54,226 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-09-21 11:11:54,226 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-09-21 11:11:54,226 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-09-21 11:11:54,226 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-09-21 11:11:54,226 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-09-21 11:11:54,226 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-09-21 11:11:54,226 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-09-21 11:11:54,226 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 524 546) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:54,227 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 524 546) no Hoare annotation was computed. [2020-09-21 11:11:54,227 INFO L264 CegarLoopResult]: At program point L536(line 536) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:54,228 INFO L264 CegarLoopResult]: At program point L536-1(line 536) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:54,230 INFO L268 CegarLoopResult]: For program point L534(lines 534 541) no Hoare annotation was computed. [2020-09-21 11:11:54,231 INFO L268 CegarLoopResult]: For program point L534-1(lines 534 541) no Hoare annotation was computed. [2020-09-21 11:11:54,231 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-21 11:11:54,231 INFO L264 CegarLoopResult]: At program point L531(line 531) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:54,231 INFO L264 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:54,231 INFO L264 CegarLoopResult]: At program point L530-1(line 530) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:54,231 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 524 546) no Hoare annotation was computed. [2020-09-21 11:11:54,231 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 479 502) no Hoare annotation was computed. [2020-09-21 11:11:54,231 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 479 502) no Hoare annotation was computed. [2020-09-21 11:11:54,232 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 479 502) no Hoare annotation was computed. [2020-09-21 11:11:54,232 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-09-21 11:11:54,232 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 11:11:54,232 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-09-21 11:11:54,232 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-09-21 11:11:54,232 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-21 11:11:54,232 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-09-21 11:11:54,232 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-09-21 11:11:54,232 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-21 11:11:54,233 INFO L268 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-09-21 11:11:54,233 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-09-21 11:11:54,234 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-21 11:11:54,234 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-09-21 11:11:54,235 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-09-21 11:11:54,235 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-21 11:11:54,235 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 588 595) no Hoare annotation was computed. [2020-09-21 11:11:54,235 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 588 595) no Hoare annotation was computed. [2020-09-21 11:11:54,235 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 588 595) no Hoare annotation was computed. [2020-09-21 11:11:54,235 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2020-09-21 11:11:54,235 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2020-09-21 11:11:54,235 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2020-09-21 11:11:54,236 INFO L268 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-09-21 11:11:54,236 INFO L268 CegarLoopResult]: For program point L672-1(line 672) no Hoare annotation was computed. [2020-09-21 11:11:54,236 INFO L268 CegarLoopResult]: For program point L661(lines 661 669) no Hoare annotation was computed. [2020-09-21 11:11:54,236 INFO L268 CegarLoopResult]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2020-09-21 11:11:54,236 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 642 677) no Hoare annotation was computed. [2020-09-21 11:11:54,236 INFO L268 CegarLoopResult]: For program point L649(lines 649 657) no Hoare annotation was computed. [2020-09-21 11:11:54,236 INFO L268 CegarLoopResult]: For program point L649-2(lines 649 657) no Hoare annotation was computed. [2020-09-21 11:11:54,236 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 642 677) no Hoare annotation was computed. [2020-09-21 11:11:54,236 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 642 677) no Hoare annotation was computed. [2020-09-21 11:11:54,237 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 845 851) no Hoare annotation was computed. [2020-09-21 11:11:54,237 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 845 851) the Hoare annotation is: true [2020-09-21 11:11:54,237 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 75 120) no Hoare annotation was computed. [2020-09-21 11:11:54,237 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 75 120) no Hoare annotation was computed. [2020-09-21 11:11:54,237 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 75 120) no Hoare annotation was computed. [2020-09-21 11:11:54,237 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 388 433) no Hoare annotation was computed. [2020-09-21 11:11:54,237 INFO L268 CegarLoopResult]: For program point L408(lines 408 415) no Hoare annotation was computed. [2020-09-21 11:11:54,237 INFO L268 CegarLoopResult]: For program point L402(lines 402 422) no Hoare annotation was computed. [2020-09-21 11:11:54,237 INFO L268 CegarLoopResult]: For program point L402-1(lines 402 422) no Hoare annotation was computed. [2020-09-21 11:11:54,238 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 388 433) no Hoare annotation was computed. [2020-09-21 11:11:54,238 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 388 433) no Hoare annotation was computed. [2020-09-21 11:11:54,238 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 511 520) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:54,238 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 511 520) no Hoare annotation was computed. [2020-09-21 11:11:54,238 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 511 520) no Hoare annotation was computed. [2020-09-21 11:11:54,238 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 622 632) no Hoare annotation was computed. [2020-09-21 11:11:54,238 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2020-09-21 11:11:54,238 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2020-09-21 11:11:54,239 INFO L268 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-09-21 11:11:54,239 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-09-21 11:11:54,239 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 614 621) no Hoare annotation was computed. [2020-09-21 11:11:54,239 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2020-09-21 11:11:54,239 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2020-09-21 11:11:54,239 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 581 587) no Hoare annotation was computed. [2020-09-21 11:11:54,239 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 581 587) the Hoare annotation is: true [2020-09-21 11:11:54,241 INFO L264 CegarLoopResult]: At program point testENTRY(lines 687 752) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:54,241 INFO L268 CegarLoopResult]: For program point L735(lines 735 739) no Hoare annotation was computed. [2020-09-21 11:11:54,241 INFO L264 CegarLoopResult]: At program point L735-2(lines 727 740) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:54,241 INFO L268 CegarLoopResult]: For program point L698(lines 697 744) no Hoare annotation was computed. [2020-09-21 11:11:54,242 INFO L264 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:54,242 INFO L268 CegarLoopResult]: For program point L727(lines 727 740) no Hoare annotation was computed. [2020-09-21 11:11:54,242 INFO L268 CegarLoopResult]: For program point testFINAL(lines 687 752) no Hoare annotation was computed. [2020-09-21 11:11:54,242 INFO L264 CegarLoopResult]: At program point L719(line 719) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:54,242 INFO L268 CegarLoopResult]: For program point L717(lines 717 723) no Hoare annotation was computed. [2020-09-21 11:11:54,242 INFO L268 CegarLoopResult]: For program point L717-1(lines 717 723) no Hoare annotation was computed. [2020-09-21 11:11:54,242 INFO L264 CegarLoopResult]: At program point L742(lines 697 744) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:54,243 INFO L264 CegarLoopResult]: At program point L709(line 709) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:54,243 INFO L268 CegarLoopResult]: For program point L707(lines 707 713) no Hoare annotation was computed. [2020-09-21 11:11:54,243 INFO L268 CegarLoopResult]: For program point L707-1(lines 707 713) no Hoare annotation was computed. [2020-09-21 11:11:54,243 INFO L268 CegarLoopResult]: For program point L699(lines 699 703) no Hoare annotation was computed. [2020-09-21 11:11:54,243 INFO L264 CegarLoopResult]: At program point L745(lines 696 746) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:54,243 INFO L268 CegarLoopResult]: For program point testEXIT(lines 687 752) no Hoare annotation was computed. [2020-09-21 11:11:54,243 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 342 387) no Hoare annotation was computed. [2020-09-21 11:11:54,243 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 342 387) no Hoare annotation was computed. [2020-09-21 11:11:54,243 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 342 387) no Hoare annotation was computed. [2020-09-21 11:11:54,244 INFO L268 CegarLoopResult]: For program point L362(lines 362 369) no Hoare annotation was computed. [2020-09-21 11:11:54,244 INFO L268 CegarLoopResult]: For program point L356(lines 356 376) no Hoare annotation was computed. [2020-09-21 11:11:54,244 INFO L268 CegarLoopResult]: For program point L356-1(lines 356 376) no Hoare annotation was computed. [2020-09-21 11:11:54,244 INFO L268 CegarLoopResult]: For program point L809(lines 809 817) no Hoare annotation was computed. [2020-09-21 11:11:54,244 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 801 823) no Hoare annotation was computed. [2020-09-21 11:11:54,244 INFO L268 CegarLoopResult]: For program point L809-2(lines 809 817) no Hoare annotation was computed. [2020-09-21 11:11:54,244 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 801 823) no Hoare annotation was computed. [2020-09-21 11:11:54,244 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 801 823) no Hoare annotation was computed. [2020-09-21 11:11:54,244 INFO L268 CegarLoopResult]: For program point L289(lines 288 308) no Hoare annotation was computed. [2020-09-21 11:11:54,245 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-09-21 11:11:54,245 INFO L268 CegarLoopResult]: For program point L320-1(line 320) no Hoare annotation was computed. [2020-09-21 11:11:54,245 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 239 341) no Hoare annotation was computed. [2020-09-21 11:11:54,245 INFO L268 CegarLoopResult]: For program point L285(lines 285 326) no Hoare annotation was computed. [2020-09-21 11:11:54,245 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-09-21 11:11:54,245 INFO L268 CegarLoopResult]: For program point L304-1(line 304) no Hoare annotation was computed. [2020-09-21 11:11:54,245 INFO L268 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-09-21 11:11:54,245 INFO L268 CegarLoopResult]: For program point L327(lines 327 338) no Hoare annotation was computed. [2020-09-21 11:11:54,245 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 239 341) no Hoare annotation was computed. [2020-09-21 11:11:54,246 INFO L268 CegarLoopResult]: For program point L290(lines 290 294) no Hoare annotation was computed. [2020-09-21 11:11:54,246 INFO L268 CegarLoopResult]: For program point L288-2(lines 288 308) no Hoare annotation was computed. [2020-09-21 11:11:54,246 INFO L268 CegarLoopResult]: For program point L309(lines 287 310) no Hoare annotation was computed. [2020-09-21 11:11:54,246 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 239 341) no Hoare annotation was computed. [2020-09-21 11:11:54,246 INFO L268 CegarLoopResult]: For program point L268(lines 268 284) no Hoare annotation was computed. [2020-09-21 11:11:54,246 INFO L268 CegarLoopResult]: For program point L328(lines 328 335) no Hoare annotation was computed. [2020-09-21 11:11:54,246 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 835 844) no Hoare annotation was computed. [2020-09-21 11:11:54,246 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 835 844) no Hoare annotation was computed. [2020-09-21 11:11:54,246 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 835 844) no Hoare annotation was computed. [2020-09-21 11:11:54,247 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:11:54,247 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:11:54,247 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:11:54,247 INFO L268 CegarLoopResult]: For program point L608(line 608) no Hoare annotation was computed. [2020-09-21 11:11:54,247 INFO L268 CegarLoopResult]: For program point L608-1(lines 597 613) no Hoare annotation was computed. [2020-09-21 11:11:54,247 INFO L268 CegarLoopResult]: For program point L604(lines 604 610) no Hoare annotation was computed. [2020-09-21 11:11:54,247 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 597 613) no Hoare annotation was computed. [2020-09-21 11:11:54,248 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-09-21 11:11:54,248 INFO L268 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-09-21 11:11:54,248 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 597 613) no Hoare annotation was computed. [2020-09-21 11:11:54,248 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 824 832) the Hoare annotation is: true [2020-09-21 11:11:54,248 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 824 832) no Hoare annotation was computed. [2020-09-21 11:11:54,248 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 824 832) no Hoare annotation was computed. [2020-09-21 11:11:54,248 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:11:54,248 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:11:54,249 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:11:54,249 INFO L268 CegarLoopResult]: For program point L784-1(lines 780 791) no Hoare annotation was computed. [2020-09-21 11:11:54,249 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 780 791) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-09-21 11:11:54,249 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 780 791) no Hoare annotation was computed. [2020-09-21 11:11:54,249 INFO L264 CegarLoopResult]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:54,249 INFO L264 CegarLoopResult]: At program point L568(lines 568 574) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:54,249 INFO L264 CegarLoopResult]: At program point L563(line 563) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1))) [2020-09-21 11:11:54,250 INFO L268 CegarLoopResult]: For program point L561(lines 560 579) no Hoare annotation was computed. [2020-09-21 11:11:54,250 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 557 580) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:54,250 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 557 580) no Hoare annotation was computed. [2020-09-21 11:11:54,250 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 557 580) no Hoare annotation was computed. [2020-09-21 11:11:54,250 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2020-09-21 11:11:54,250 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2020-09-21 11:11:54,250 INFO L271 CegarLoopResult]: At program point L471(lines 446 475) the Hoare annotation is: true [2020-09-21 11:11:54,250 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-09-21 11:11:54,251 INFO L268 CegarLoopResult]: For program point L460(lines 460 464) no Hoare annotation was computed. [2020-09-21 11:11:54,251 INFO L271 CegarLoopResult]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2020-09-21 11:11:54,251 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 11:11:54,251 INFO L271 CegarLoopResult]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2020-09-21 11:11:54,253 INFO L271 CegarLoopResult]: At program point L452(line 452) the Hoare annotation is: true [2020-09-21 11:11:54,253 INFO L268 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-09-21 11:11:54,253 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 792 800) no Hoare annotation was computed. [2020-09-21 11:11:54,253 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 792 800) no Hoare annotation was computed. [2020-09-21 11:11:54,253 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 792 800) no Hoare annotation was computed. [2020-09-21 11:11:54,253 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 756 767) the Hoare annotation is: true [2020-09-21 11:11:54,253 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 756 767) no Hoare annotation was computed. [2020-09-21 11:11:54,254 INFO L268 CegarLoopResult]: For program point L760-1(lines 756 767) no Hoare annotation was computed. [2020-09-21 11:11:54,254 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2020-09-21 11:11:54,254 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2020-09-21 11:11:54,254 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:11:54,254 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:11:54,254 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:11:54,254 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:11:54,254 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 678 685) no Hoare annotation was computed. [2020-09-21 11:11:54,254 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 678 685) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= 1 ~systemActive~0))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:11:54,255 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 678 685) no Hoare annotation was computed. [2020-09-21 11:11:54,255 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 768 779) no Hoare annotation was computed. [2020-09-21 11:11:54,255 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 768 779) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:54,255 INFO L268 CegarLoopResult]: For program point L772-1(lines 768 779) no Hoare annotation was computed. [2020-09-21 11:11:54,255 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 435 442) no Hoare annotation was computed. [2020-09-21 11:11:54,255 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2020-09-21 11:11:54,255 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 435 442) the Hoare annotation is: true [2020-09-21 11:11:54,256 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 435 442) no Hoare annotation was computed. [2020-09-21 11:11:54,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:11:54 BoogieIcfgContainer [2020-09-21 11:11:54,291 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:11:54,298 INFO L168 Benchmark]: Toolchain (without parser) took 33085.34 ms. Allocated memory was 148.4 MB in the beginning and 541.1 MB in the end (delta: 392.7 MB). Free memory was 102.4 MB in the beginning and 110.8 MB in the end (delta: -8.4 MB). Peak memory consumption was 389.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:54,304 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 148.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:11:54,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.74 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 101.8 MB in the beginning and 175.2 MB in the end (delta: -73.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:54,306 INFO L168 Benchmark]: Boogie Preprocessor took 164.13 ms. Allocated memory is still 205.5 MB. Free memory was 175.2 MB in the beginning and 171.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:54,306 INFO L168 Benchmark]: RCFGBuilder took 1199.19 ms. Allocated memory was 205.5 MB in the beginning and 234.4 MB in the end (delta: 28.8 MB). Free memory was 171.3 MB in the beginning and 198.7 MB in the end (delta: -27.4 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:54,307 INFO L168 Benchmark]: TraceAbstraction took 31021.13 ms. Allocated memory was 234.4 MB in the beginning and 541.1 MB in the end (delta: 306.7 MB). Free memory was 197.3 MB in the beginning and 110.8 MB in the end (delta: 86.5 MB). Peak memory consumption was 398.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:54,314 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 148.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 691.74 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 101.8 MB in the beginning and 175.2 MB in the end (delta: -73.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 164.13 ms. Allocated memory is still 205.5 MB. Free memory was 175.2 MB in the beginning and 171.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1199.19 ms. Allocated memory was 205.5 MB in the beginning and 234.4 MB in the end (delta: 28.8 MB). Free memory was 171.3 MB in the beginning and 198.7 MB in the end (delta: -27.4 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31021.13 ms. Allocated memory was 234.4 MB in the beginning and 541.1 MB in the end (delta: 306.7 MB). Free memory was 197.3 MB in the beginning and 110.8 MB in the end (delta: 86.5 MB). Peak memory consumption was 398.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 696]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(pumpRunning == 0) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((2 == waterLevel && splverifierCounter <= 0) && 1 == systemActive)) || !(pumpRunning == 0)) || ((\old(waterLevel) == waterLevel && splverifierCounter <= 0) && 1 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 205 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 438 SDtfs, 556 SDslu, 300 SDs, 0 SdLazy, 1121 SolverSat, 352 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 99 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 174 PreInvPairs, 197 NumberOfFragments, 852 HoareAnnotationTreeSize, 174 FomulaSimplifications, 31783 FormulaSimplificationTreeSizeReduction, 8.7s HoareSimplificationTime, 42 FomulaSimplificationsInter, 8082 FormulaSimplificationTreeSizeReductionInter, 7.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 318 NumberOfCodeBlocks, 318 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 312 ConstructedInterpolants, 0 QuantifiedInterpolants, 88016 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...