/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_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:12:29,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:12:29,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:12:29,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:12:29,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:12:29,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:12:29,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:12:29,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:12:29,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:12:29,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:12:29,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:12:29,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:12:29,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:12:29,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:12:29,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:12:29,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:12:29,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:12:29,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:12:29,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:12:29,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:12:29,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:12:29,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:12:29,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:12:29,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:12:29,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:12:29,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:12:29,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:12:29,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:12:29,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:12:29,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:12:29,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:12:29,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:12:29,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:12:29,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:12:29,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:12:29,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:12:29,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:12:29,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:12:29,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:12:29,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:12:29,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:12:29,280 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 11:12:29,329 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:12:29,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:12:29,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:12:29,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:12:29,332 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:12:29,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:12:29,333 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:12:29,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:12:29,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:12:29,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:12:29,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:12:29,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:12:29,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:12:29,335 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:12:29,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:12:29,335 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:12:29,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:12:29,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:12:29,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:12:29,336 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:12:29,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:12:29,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:12:29,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:12:29,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:12:29,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:12:29,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:12:29,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:12:29,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:12:29,338 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:12:29,338 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 11:12:29,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:12:29,778 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:12:29,782 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:12:29,784 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:12:29,784 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:12:29,785 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c [2020-09-21 11:12:29,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/696f75749/247052158a3c4a22807d0ea803ee0fc2/FLAGda9dddba8 [2020-09-21 11:12:30,472 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:12:30,473 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c [2020-09-21 11:12:30,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/696f75749/247052158a3c4a22807d0ea803ee0fc2/FLAGda9dddba8 [2020-09-21 11:12:30,742 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/696f75749/247052158a3c4a22807d0ea803ee0fc2 [2020-09-21 11:12:30,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:12:30,762 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:12:30,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:12:30,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:12:30,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:12:30,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:12:30" (1/1) ... [2020-09-21 11:12:30,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:30, skipping insertion in model container [2020-09-21 11:12:30,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:12:30" (1/1) ... [2020-09-21 11:12:30,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:12:30,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:12:31,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:12:31,206 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:12:31,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:12:31,478 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:12:31,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:31 WrapperNode [2020-09-21 11:12:31,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:12:31,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:12:31,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:12:31,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:12:31,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:31" (1/1) ... [2020-09-21 11:12:31,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:31" (1/1) ... [2020-09-21 11:12:31,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:31" (1/1) ... [2020-09-21 11:12:31,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:31" (1/1) ... [2020-09-21 11:12:31,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:31" (1/1) ... [2020-09-21 11:12:31,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:31" (1/1) ... [2020-09-21 11:12:31,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:31" (1/1) ... [2020-09-21 11:12:31,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:12:31,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:12:31,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:12:31,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:12:31,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:31" (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 11:12:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:12:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:12:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:12:31,651 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:12:31,651 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:12:31,651 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:12:31,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:12:31,651 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:12:31,652 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:12:31,652 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:12:31,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:12:31,652 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:12:31,652 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:12:31,653 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:12:31,653 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:12:31,653 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:12:31,653 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:12:31,653 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:12:31,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:12:31,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:12:31,654 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:12:31,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:12:31,655 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:12:31,655 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:12:31,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:12:31,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:12:31,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:12:31,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:12:31,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:12:31,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:12:31,656 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:12:31,656 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:12:31,656 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:12:31,656 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:12:31,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:12:31,657 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:12:31,657 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:12:31,657 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:12:31,657 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:12:31,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:12:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:12:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:12:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:12:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:12:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:12:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:12:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:12:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:12:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:12:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:12:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:12:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:12:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:12:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:12:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:12:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:12:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:12:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:12:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:12:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:12:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:12:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:12:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:12:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:12:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:12:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:12:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:12:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:12:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:12:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:12:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:12:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:12:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:12:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:12:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:12:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:12:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:12:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:12:31,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:12:31,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:12:31,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:12:31,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:12:31,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:12:31,664 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:12:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:12:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:12:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:12:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:12:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:12:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:12:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:12:31,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:12:31,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:12:31,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:12:32,717 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:12:32,717 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:12:32,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:12:32 BoogieIcfgContainer [2020-09-21 11:12:32,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:12:32,724 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:12:32,724 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:12:32,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:12:32,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:12:30" (1/3) ... [2020-09-21 11:12:32,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e749e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:12:32, skipping insertion in model container [2020-09-21 11:12:32,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:31" (2/3) ... [2020-09-21 11:12:32,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e749e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:12:32, skipping insertion in model container [2020-09-21 11:12:32,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:12:32" (3/3) ... [2020-09-21 11:12:32,732 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product30.cil.c [2020-09-21 11:12:32,744 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:12:32,754 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:12:32,777 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:12:32,808 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:12:32,808 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:12:32,808 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:12:32,808 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:12:32,809 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:12:32,809 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:12:32,809 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:12:32,809 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:12:32,836 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-09-21 11:12:32,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:12:32,847 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:32,848 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 11:12:32,849 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:32,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:32,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1185825638, now seen corresponding path program 1 times [2020-09-21 11:12:32,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:32,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [511129910] [2020-09-21 11:12:32,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:33,219 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:33,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:33,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:33,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:33,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:12:33,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:33,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:12:33,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:33,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:33,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:12:33,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:33,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:33,662 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:33,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:33,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:33,678 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:33,678 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:33,678 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:33,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:33,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:33,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:33,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:33,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:33,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:33,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:33,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:33,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:33,736 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:33,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:33,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:33,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:33,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:33,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:33,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:33,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:33,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:33,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:33,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:33,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:33,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:33,743 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:33,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:33,744 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:33,744 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:33,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:33,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:33,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:33,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:33,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:33,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:33,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:33,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:33,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:33,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:33,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:33,751 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:33,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:33,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:33,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:33,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:33,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:33,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:33,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:33,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:33,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:33,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:33,760 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:33,760 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:33,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:33,761 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:33,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:33,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:33,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:33,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:33,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:33,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:33,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:33,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:33,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:12:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:33,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:33,767 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:33,767 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:33,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:33,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:33,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:33,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:33,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:33,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:33,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:33,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:33,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:33,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:12:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:33,777 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:33,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:33,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:33,778 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:33,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:33,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:33,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:33,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:33,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:33,796 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 11:12:33,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [511129910] [2020-09-21 11:12:33,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:33,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:12:33,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589390637] [2020-09-21 11:12:33,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:12:33,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:33,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:12:33,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:12:33,830 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 3 states. [2020-09-21 11:12:34,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:34,999 INFO L93 Difference]: Finished difference Result 294 states and 384 transitions. [2020-09-21 11:12:35,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:12:35,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:12:35,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:35,019 INFO L225 Difference]: With dead ends: 294 [2020-09-21 11:12:35,019 INFO L226 Difference]: Without dead ends: 159 [2020-09-21 11:12:35,025 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:12:35,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-09-21 11:12:35,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 126. [2020-09-21 11:12:35,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-09-21 11:12:35,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2020-09-21 11:12:35,126 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2020-09-21 11:12:35,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:35,127 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2020-09-21 11:12:35,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:12:35,127 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2020-09-21 11:12:35,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:12:35,130 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:35,131 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 11:12:35,131 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:12:35,131 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:35,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:35,132 INFO L82 PathProgramCache]: Analyzing trace with hash 64634253, now seen corresponding path program 1 times [2020-09-21 11:12:35,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:35,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [40650931] [2020-09-21 11:12:35,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:35,195 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:35,195 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:35,196 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:35,196 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:35,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:12:35,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:35,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:12:35,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:35,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:35,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:12:35,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:12:35,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:35,524 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:35,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:35,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:35,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:35,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:35,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:35,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:35,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:35,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:35,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:35,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:35,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:35,588 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:35,588 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:35,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:35,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:35,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:35,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:35,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:35,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:35,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:35,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:35,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:35,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:35,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:35,593 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:35,594 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:35,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:35,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:35,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:35,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:35,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:35,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:35,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:35,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:35,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:35,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:35,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:35,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:35,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:35,600 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:35,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:35,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:35,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:35,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:35,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:35,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:35,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:35,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:35,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:35,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:35,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:35,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:35,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:35,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:35,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:35,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:35,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:12:35,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:35,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:35,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:35,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:35,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:35,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:12:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:35,611 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:35,612 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:35,612 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:35,612 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:35,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:35,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:35,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:35,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:35,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:35,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:35,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:35,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:35,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:12:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:35,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:35,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:35,620 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:35,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:35,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:35,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:35,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:35,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:35,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:35,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:35,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:35,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:35,635 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 11:12:35,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [40650931] [2020-09-21 11:12:35,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:35,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:12:35,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106604679] [2020-09-21 11:12:35,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:12:35,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:35,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:12:35,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:12:35,640 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 4 states. [2020-09-21 11:12:36,065 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:12:36,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:36,894 INFO L93 Difference]: Finished difference Result 223 states and 271 transitions. [2020-09-21 11:12:36,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:12:36,895 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:12:36,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:36,898 INFO L225 Difference]: With dead ends: 223 [2020-09-21 11:12:36,898 INFO L226 Difference]: Without dead ends: 143 [2020-09-21 11:12:36,900 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:12:36,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-09-21 11:12:36,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2020-09-21 11:12:36,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-09-21 11:12:36,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2020-09-21 11:12:36,953 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2020-09-21 11:12:36,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:36,954 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2020-09-21 11:12:36,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:12:36,954 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2020-09-21 11:12:36,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:12:36,956 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:36,956 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 11:12:36,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:12:36,956 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:36,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:36,957 INFO L82 PathProgramCache]: Analyzing trace with hash -974818796, now seen corresponding path program 1 times [2020-09-21 11:12:36,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:36,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [695266392] [2020-09-21 11:12:36,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:37,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:12:37,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:37,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:37,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:37,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:12:37,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:37,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 443 [2020-09-21 11:12:37,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:37,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:12:37,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:37,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:12:37,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:37,776 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:37,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:37,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:37,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:37,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:37,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:37,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:37,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:37,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 11:12:37,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:37,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:37,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:37,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:37,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:37,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:37,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:37,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:37,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:37,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:37,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:37,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:37,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:37,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:37,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:37,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:37,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:37,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:37,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:37,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:37,899 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:37,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:37,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:37,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:37,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:37,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:37,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:37,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:37,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:37,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:37,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:37,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:37,905 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:37,905 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:37,905 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:37,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:37,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:37,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:37,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:37,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:37,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:37,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:37,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:37,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:37,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:37,911 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:37,911 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:37,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:37,912 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:37,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:37,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:37,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:37,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:37,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:37,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:37,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:37,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:37,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:12:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:37,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:37,917 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:37,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:37,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:37,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:37,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:37,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:37,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:37,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:37,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:37,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:37,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:37,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:12:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:37,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:37,922 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:37,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:37,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:37,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:37,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:37,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:37,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:37,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:37,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:37,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:37,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:37,931 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 11:12:37,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [695266392] [2020-09-21 11:12:37,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:37,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:12:37,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137500777] [2020-09-21 11:12:37,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:12:37,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:37,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:12:37,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:12:37,934 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 4 states. [2020-09-21 11:12:38,274 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:39,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:39,103 INFO L93 Difference]: Finished difference Result 236 states and 289 transitions. [2020-09-21 11:12:39,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:12:39,104 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 11:12:39,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:39,107 INFO L225 Difference]: With dead ends: 236 [2020-09-21 11:12:39,108 INFO L226 Difference]: Without dead ends: 143 [2020-09-21 11:12:39,109 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 11:12:39,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-09-21 11:12:39,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2020-09-21 11:12:39,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-09-21 11:12:39,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2020-09-21 11:12:39,146 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 52 [2020-09-21 11:12:39,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:39,146 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2020-09-21 11:12:39,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:12:39,147 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2020-09-21 11:12:39,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:12:39,148 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:39,148 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:39,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:12:39,149 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:39,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:39,149 INFO L82 PathProgramCache]: Analyzing trace with hash 2068919848, now seen corresponding path program 1 times [2020-09-21 11:12:39,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:39,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [692697883] [2020-09-21 11:12:39,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:39,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:12:39,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:39,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:39,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:39,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:12:39,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:39,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 389 [2020-09-21 11:12:39,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:39,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:12:39,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:39,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-21 11:12:39,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:39,969 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:39,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:40,049 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:40,049 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:40,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:40,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:40,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:40,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:40,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 11:12:40,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:40,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:40,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:40,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:40,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:40,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:40,089 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:40,090 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:40,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:40,090 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:40,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:40,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:40,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:40,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:40,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:40,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:40,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:40,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:40,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:40,096 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:40,096 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:40,097 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:40,097 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:40,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:40,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:40,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:40,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:40,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:40,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:40,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:40,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:40,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:40,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:40,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:40,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:40,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:40,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:40,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:40,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:40,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:40,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:40,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:40,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:40,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:40,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:40,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:40,110 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:40,110 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:40,111 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:40,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:40,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:40,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:40,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:40,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:40,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:40,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:40,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:40,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:12:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:40,133 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:40,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:40,134 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:40,134 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:40,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:12:40,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:40,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:40,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:40,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:40,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:40,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:12:40,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:40,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:40,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:40,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:40,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:40,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:40,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:12:40,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:40,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:40,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:40,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:40,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:40,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:40,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:40,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:40,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:40,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:40,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:40,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:40,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:40,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:40,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:40,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:40,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:40,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:40,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:40,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:40,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:12:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:40,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:40,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:40,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:40,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:40,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:40,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:40,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:12:40,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:40,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:12:40,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:40,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:40,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:40,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-21 11:12:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:40,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:40,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:40,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:40,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:40,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:40,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:40,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:40,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:40,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:40,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:40,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:40,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:40,207 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 11:12:40,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [692697883] [2020-09-21 11:12:40,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:40,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:12:40,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655675356] [2020-09-21 11:12:40,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:12:40,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:40,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:12:40,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:12:40,210 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 8 states. [2020-09-21 11:12:40,678 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:42,125 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:42,535 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:42,827 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:43,133 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:12:43,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:43,965 INFO L93 Difference]: Finished difference Result 352 states and 456 transitions. [2020-09-21 11:12:43,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:12:43,966 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-09-21 11:12:43,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:43,970 INFO L225 Difference]: With dead ends: 352 [2020-09-21 11:12:43,970 INFO L226 Difference]: Without dead ends: 259 [2020-09-21 11:12:43,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:12:43,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-09-21 11:12:44,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 210. [2020-09-21 11:12:44,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-09-21 11:12:44,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 248 transitions. [2020-09-21 11:12:44,024 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 248 transitions. Word has length 65 [2020-09-21 11:12:44,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:44,024 INFO L479 AbstractCegarLoop]: Abstraction has 210 states and 248 transitions. [2020-09-21 11:12:44,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:12:44,025 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 248 transitions. [2020-09-21 11:12:44,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-21 11:12:44,027 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:44,028 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:44,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:12:44,028 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:44,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:44,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1620236274, now seen corresponding path program 1 times [2020-09-21 11:12:44,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:44,029 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [406050387] [2020-09-21 11:12:44,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:44,462 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:44,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:44,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:44,463 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:44,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:12:44,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:44,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 390 [2020-09-21 11:12:44,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:44,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:12:44,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:44,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-21 11:12:44,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:44,835 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:44,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:44,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:44,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:44,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:44,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:44,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:44,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:44,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 11:12:44,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:44,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:44,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:44,930 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:44,930 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:44,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:44,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:44,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:44,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:44,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:44,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:44,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:44,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:44,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:44,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:44,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:44,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:44,936 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:44,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:44,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:44,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:44,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:44,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:44,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:44,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:44,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:44,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:44,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:44,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:44,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:44,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:44,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:44,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:44,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:44,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:44,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:44,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:44,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:44,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:44,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:44,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:44,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:44,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:44,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:44,950 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:44,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:44,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:44,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:44,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:44,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:44,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:44,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:44,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:44,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:44,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:12:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:44,972 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:44,972 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:44,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:44,972 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:44,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:44,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:44,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:12:44,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:44,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:12:44,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:12:44,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:12:44,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:45,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:12:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:45,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:45,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:45,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:45,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:45,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:12:45,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:45,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:45,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:45,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:45,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:45,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:12:45,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:45,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:45,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:45,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:45,037 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:45,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:45,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:12:45,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:45,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:45,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:45,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:45,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:45,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:45,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:45,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:45,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:45,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:45,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:45,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:45,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:45,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:45,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:45,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:45,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:45,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:45,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:45,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:45,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:12:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:45,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:45,054 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:45,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:45,055 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:45,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:45,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:45,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:12:45,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:45,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:12:45,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:45,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:45,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:45,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 11:12:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:45,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:45,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:45,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:45,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:45,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:45,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:45,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:45,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:45,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:45,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:45,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:45,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:45,087 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 11:12:45,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [406050387] [2020-09-21 11:12:45,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:45,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:12:45,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791932637] [2020-09-21 11:12:45,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:12:45,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:45,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:12:45,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:12:45,091 INFO L87 Difference]: Start difference. First operand 210 states and 248 transitions. Second operand 11 states. [2020-09-21 11:12:45,595 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:46,274 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:47,706 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:48,222 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:48,520 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:48,906 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:49,246 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:50,254 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 187 [2020-09-21 11:12:51,352 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-21 11:12:52,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:52,778 INFO L93 Difference]: Finished difference Result 664 states and 858 transitions. [2020-09-21 11:12:52,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-21 11:12:52,778 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 69 [2020-09-21 11:12:52,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:52,783 INFO L225 Difference]: With dead ends: 664 [2020-09-21 11:12:52,783 INFO L226 Difference]: Without dead ends: 558 [2020-09-21 11:12:52,785 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=201, Invalid=729, Unknown=0, NotChecked=0, Total=930 [2020-09-21 11:12:52,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2020-09-21 11:12:52,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 438. [2020-09-21 11:12:52,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438 states. [2020-09-21 11:12:52,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 516 transitions. [2020-09-21 11:12:52,925 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 516 transitions. Word has length 69 [2020-09-21 11:12:52,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:52,925 INFO L479 AbstractCegarLoop]: Abstraction has 438 states and 516 transitions. [2020-09-21 11:12:52,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:12:52,925 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 516 transitions. [2020-09-21 11:12:52,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-21 11:12:52,927 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:52,928 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:52,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:12:52,928 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:52,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:52,929 INFO L82 PathProgramCache]: Analyzing trace with hash 704311394, now seen corresponding path program 1 times [2020-09-21 11:12:52,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:52,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1986481824] [2020-09-21 11:12:52,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:53,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:53,203 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:53,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:53,204 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:53,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:12:53,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:53,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-09-21 11:12:53,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:53,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:12:53,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:53,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:12:53,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:53,560 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:53,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:53,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:53,642 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:53,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:53,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:53,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:53,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:53,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 11:12:53,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:53,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:53,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:53,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:53,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:53,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:53,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:53,692 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:53,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:53,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:53,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:53,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:53,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:53,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:53,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:53,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:53,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:53,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:53,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:53,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:53,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:53,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:53,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:53,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:53,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:53,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:53,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:53,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:53,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:53,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:53,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:53,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:53,703 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:53,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:53,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:53,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:53,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:53,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:53,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:53,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:53,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:53,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:53,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:53,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:53,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:53,709 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:53,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:53,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:53,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:53,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:53,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:53,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:53,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:53,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:53,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:53,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:53,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:53,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:12:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:53,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:53,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:53,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:53,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:53,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:53,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:53,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:53,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:53,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:53,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:53,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:53,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:53,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:12:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:53,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:53,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:53,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:53,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:53,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:12:53,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:53,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:53,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:53,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:53,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 11:12:53,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:53,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:53,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:53,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:53,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:53,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:53,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:53,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:12:53,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:53,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:12:53,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:53,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:53,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:53,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:53,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:53,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:53,787 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:53,787 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:53,787 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:53,787 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:53,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:53,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:53,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:12:53,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:53,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:53,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:53,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:53,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:53,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:12:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:53,791 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:53,791 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:53,791 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:53,791 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:53,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:53,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:53,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:12:53,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:53,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:53,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:53,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:53,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:53,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 11:12:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:53,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:53,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:53,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:53,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:53,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:53,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:53,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:12:53,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:53,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:53,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:53,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:53,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:53,806 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 11:12:53,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1986481824] [2020-09-21 11:12:53,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:53,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:12:53,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122580104] [2020-09-21 11:12:53,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:12:53,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:53,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:12:53,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:12:53,808 INFO L87 Difference]: Start difference. First operand 438 states and 516 transitions. Second operand 6 states. [2020-09-21 11:12:54,167 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:54,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:54,686 INFO L93 Difference]: Finished difference Result 549 states and 661 transitions. [2020-09-21 11:12:54,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:12:54,686 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-09-21 11:12:54,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:54,687 INFO L225 Difference]: With dead ends: 549 [2020-09-21 11:12:54,687 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:12:54,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:12:54,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:12:54,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:12:54,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:12:54,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:12:54,690 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-09-21 11:12:54,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:54,690 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:12:54,690 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:12:54,690 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:12:54,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:12:54,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:12:54,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:12:54,907 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:55,082 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:55,242 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:55,508 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:12:55,794 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:12:56,056 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:12:56,240 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:56,403 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:56,563 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:57,254 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 204 [2020-09-21 11:12:57,808 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 26 [2020-09-21 11:12:57,967 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:58,505 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 26 [2020-09-21 11:12:58,660 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:58,814 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:58,974 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:59,127 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:59,266 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:59,421 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:59,575 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:59,733 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:59,901 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:00,055 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:00,222 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:00,393 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:00,545 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:00,697 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:00,866 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:01,392 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 26 [2020-09-21 11:13:01,557 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:01,709 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:01,865 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:02,019 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:02,172 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:02,327 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:02,480 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:02,660 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:02,812 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:03,163 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-21 11:13:03,514 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-21 11:13:03,849 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-21 11:13:04,009 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:04,161 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:04,318 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:04,476 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:04,628 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:04,785 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:05,342 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 26 [2020-09-21 11:13:05,497 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:05,652 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:05,805 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:05,980 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:06,603 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 11:13:06,825 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:13:07,427 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2020-09-21 11:13:07,669 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:13:07,892 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 25 [2020-09-21 11:13:08,137 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:13:08,413 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:13:09,032 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-09-21 11:13:09,286 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:13:09,904 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2020-09-21 11:13:10,106 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:13:10,710 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-09-21 11:13:11,409 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 11:13:12,007 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-09-21 11:13:12,210 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:13:12,850 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 11:13:13,472 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-09-21 11:13:13,684 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:13:13,895 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:13:14,107 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:13:14,267 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:13:14,432 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:13:15,164 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 11:13:15,411 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:13:15,435 INFO L268 CegarLoopResult]: For program point L539(lines 516 540) no Hoare annotation was computed. [2020-09-21 11:13:15,435 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 492 547) no Hoare annotation was computed. [2020-09-21 11:13:15,435 INFO L268 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2020-09-21 11:13:15,435 INFO L268 CegarLoopResult]: For program point L523-1(lines 523 527) no Hoare annotation was computed. [2020-09-21 11:13:15,435 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 492 547) no Hoare annotation was computed. [2020-09-21 11:13:15,436 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-09-21 11:13:15,436 INFO L268 CegarLoopResult]: For program point L517-2(lines 517 538) no Hoare annotation was computed. [2020-09-21 11:13:15,436 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 492 547) no Hoare annotation was computed. [2020-09-21 11:13:15,436 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-09-21 11:13:15,436 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 599) no Hoare annotation was computed. [2020-09-21 11:13:15,436 INFO L268 CegarLoopResult]: For program point L600(lines 573 601) no Hoare annotation was computed. [2020-09-21 11:13:15,437 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 548 607) no Hoare annotation was computed. [2020-09-21 11:13:15,437 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-09-21 11:13:15,437 INFO L268 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-09-21 11:13:15,437 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 548 607) no Hoare annotation was computed. [2020-09-21 11:13:15,437 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 548 607) no Hoare annotation was computed. [2020-09-21 11:13:15,437 INFO L268 CegarLoopResult]: For program point L580(lines 580 584) no Hoare annotation was computed. [2020-09-21 11:13:15,437 INFO L268 CegarLoopResult]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2020-09-21 11:13:15,437 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 923 929) the Hoare annotation is: true [2020-09-21 11:13:15,437 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 923 929) no Hoare annotation was computed. [2020-09-21 11:13:15,437 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 930 938) no Hoare annotation was computed. [2020-09-21 11:13:15,437 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 930 938) the Hoare annotation is: true [2020-09-21 11:13:15,438 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 930 938) no Hoare annotation was computed. [2020-09-21 11:13:15,438 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 138 162) the Hoare annotation is: true [2020-09-21 11:13:15,438 INFO L264 CegarLoopResult]: At program point L152(line 152) 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 11:13:15,438 INFO L268 CegarLoopResult]: For program point L150(lines 150 156) no Hoare annotation was computed. [2020-09-21 11:13:15,438 INFO L264 CegarLoopResult]: At program point L148(line 148) 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 11:13:15,438 INFO L268 CegarLoopResult]: For program point L148-1(line 148) no Hoare annotation was computed. [2020-09-21 11:13:15,439 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 138 162) no Hoare annotation was computed. [2020-09-21 11:13:15,439 INFO L268 CegarLoopResult]: For program point L146(lines 146 159) no Hoare annotation was computed. [2020-09-21 11:13:15,439 INFO L268 CegarLoopResult]: For program point L146-1(lines 138 162) no Hoare annotation was computed. [2020-09-21 11:13:15,439 INFO L271 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: true [2020-09-21 11:13:15,439 INFO L268 CegarLoopResult]: For program point L144-1(line 144) no Hoare annotation was computed. [2020-09-21 11:13:15,439 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 881 903) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:13:15,439 INFO L264 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:13:15,440 INFO L264 CegarLoopResult]: At program point L893-1(line 893) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:13:15,440 INFO L268 CegarLoopResult]: For program point L891(lines 891 898) no Hoare annotation was computed. [2020-09-21 11:13:15,440 INFO L268 CegarLoopResult]: For program point L891-1(lines 891 898) no Hoare annotation was computed. [2020-09-21 11:13:15,440 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-09-21 11:13:15,440 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 881 903) no Hoare annotation was computed. [2020-09-21 11:13:15,440 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:13:15,441 INFO L264 CegarLoopResult]: At program point L887(line 887) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:13:15,441 INFO L264 CegarLoopResult]: At program point L887-1(line 887) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:13:15,441 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 881 903) no Hoare annotation was computed. [2020-09-21 11:13:15,441 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 837 860) no Hoare annotation was computed. [2020-09-21 11:13:15,441 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 837 860) no Hoare annotation was computed. [2020-09-21 11:13:15,441 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 837 860) no Hoare annotation was computed. [2020-09-21 11:13:15,441 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-09-21 11:13:15,441 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-09-21 11:13:15,442 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-09-21 11:13:15,442 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-09-21 11:13:15,442 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-09-21 11:13:15,442 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-09-21 11:13:15,442 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-09-21 11:13:15,442 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-09-21 11:13:15,442 INFO L268 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-09-21 11:13:15,442 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-09-21 11:13:15,443 INFO L268 CegarLoopResult]: For program point L845(line 845) no Hoare annotation was computed. [2020-09-21 11:13:15,443 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-09-21 11:13:15,443 INFO L268 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-09-21 11:13:15,443 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-09-21 11:13:15,443 INFO L264 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 11:13:15,443 INFO L268 CegarLoopResult]: For program point L223-1(lines 204 228) no Hoare annotation was computed. [2020-09-21 11:13:15,443 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:13:15,444 INFO L264 CegarLoopResult]: At program point L214(line 214) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:13:15,444 INFO L268 CegarLoopResult]: For program point L212(lines 212 220) no Hoare annotation was computed. [2020-09-21 11:13:15,444 INFO L264 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:13:15,444 INFO L268 CegarLoopResult]: For program point L210-1(line 210) no Hoare annotation was computed. [2020-09-21 11:13:15,444 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 204 228) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 11:13:15,444 INFO L268 CegarLoopResult]: For program point L208(lines 208 225) no Hoare annotation was computed. [2020-09-21 11:13:15,444 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 204 228) no Hoare annotation was computed. [2020-09-21 11:13:15,444 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 299 307) no Hoare annotation was computed. [2020-09-21 11:13:15,445 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 299 307) the Hoare annotation is: true [2020-09-21 11:13:15,445 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 299 307) no Hoare annotation was computed. [2020-09-21 11:13:15,445 INFO L268 CegarLoopResult]: For program point L353(lines 353 357) no Hoare annotation was computed. [2020-09-21 11:13:15,445 INFO L271 CegarLoopResult]: At program point L351(line 351) the Hoare annotation is: true [2020-09-21 11:13:15,445 INFO L268 CegarLoopResult]: For program point L353-2(lines 353 357) no Hoare annotation was computed. [2020-09-21 11:13:15,445 INFO L268 CegarLoopResult]: For program point L351-1(line 351) no Hoare annotation was computed. [2020-09-21 11:13:15,445 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 344 362) the Hoare annotation is: true [2020-09-21 11:13:15,445 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 344 362) no Hoare annotation was computed. [2020-09-21 11:13:15,445 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 344 362) no Hoare annotation was computed. [2020-09-21 11:13:15,445 INFO L268 CegarLoopResult]: For program point L315(lines 315 323) no Hoare annotation was computed. [2020-09-21 11:13:15,445 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 323) no Hoare annotation was computed. [2020-09-21 11:13:15,445 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-09-21 11:13:15,446 INFO L268 CegarLoopResult]: For program point L338-1(line 338) no Hoare annotation was computed. [2020-09-21 11:13:15,446 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 308 343) no Hoare annotation was computed. [2020-09-21 11:13:15,446 INFO L268 CegarLoopResult]: For program point L327(lines 327 335) no Hoare annotation was computed. [2020-09-21 11:13:15,446 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 308 343) no Hoare annotation was computed. [2020-09-21 11:13:15,446 INFO L268 CegarLoopResult]: For program point L327-2(lines 327 335) no Hoare annotation was computed. [2020-09-21 11:13:15,446 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 308 343) no Hoare annotation was computed. [2020-09-21 11:13:15,446 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 916 922) no Hoare annotation was computed. [2020-09-21 11:13:15,446 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 916 922) the Hoare annotation is: true [2020-09-21 11:13:15,446 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 446 491) no Hoare annotation was computed. [2020-09-21 11:13:15,446 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 446 491) no Hoare annotation was computed. [2020-09-21 11:13:15,447 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 446 491) no Hoare annotation was computed. [2020-09-21 11:13:15,447 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 759 804) no Hoare annotation was computed. [2020-09-21 11:13:15,447 INFO L268 CegarLoopResult]: For program point L779(lines 779 786) no Hoare annotation was computed. [2020-09-21 11:13:15,447 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 759 804) no Hoare annotation was computed. [2020-09-21 11:13:15,447 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 759 804) no Hoare annotation was computed. [2020-09-21 11:13:15,447 INFO L268 CegarLoopResult]: For program point L773(lines 773 793) no Hoare annotation was computed. [2020-09-21 11:13:15,447 INFO L268 CegarLoopResult]: For program point L773-1(lines 773 793) no Hoare annotation was computed. [2020-09-21 11:13:15,447 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 868 877) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:13:15,447 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 868 877) no Hoare annotation was computed. [2020-09-21 11:13:15,447 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 868 877) no Hoare annotation was computed. [2020-09-21 11:13:15,448 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 288 298) the Hoare annotation is: true [2020-09-21 11:13:15,448 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 288 298) no Hoare annotation was computed. [2020-09-21 11:13:15,448 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 288 298) no Hoare annotation was computed. [2020-09-21 11:13:15,448 INFO L271 CegarLoopResult]: At program point L293(line 293) the Hoare annotation is: true [2020-09-21 11:13:15,448 INFO L268 CegarLoopResult]: For program point L293-1(line 293) no Hoare annotation was computed. [2020-09-21 11:13:15,448 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 280 287) the Hoare annotation is: true [2020-09-21 11:13:15,448 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2020-09-21 11:13:15,448 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 280 287) no Hoare annotation was computed. [2020-09-21 11:13:15,449 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 11:13:15,449 INFO L268 CegarLoopResult]: For program point L249-1(lines 230 254) no Hoare annotation was computed. [2020-09-21 11:13:15,449 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 230 254) no Hoare annotation was computed. [2020-09-21 11:13:15,449 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:13:15,449 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 230 254) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 11:13:15,449 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:13:15,449 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-21 11:13:15,449 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:13:15,450 INFO L268 CegarLoopResult]: For program point L236-1(line 236) no Hoare annotation was computed. [2020-09-21 11:13:15,450 INFO L268 CegarLoopResult]: For program point L234(lines 234 251) no Hoare annotation was computed. [2020-09-21 11:13:15,450 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 196 202) no Hoare annotation was computed. [2020-09-21 11:13:15,450 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 196 202) the Hoare annotation is: true [2020-09-21 11:13:15,450 INFO L268 CegarLoopResult]: For program point L384(lines 383 430) no Hoare annotation was computed. [2020-09-21 11:13:15,450 INFO L264 CegarLoopResult]: At program point testENTRY(lines 373 438) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:13:15,450 INFO L264 CegarLoopResult]: At program point L415(line 415) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:13:15,450 INFO L268 CegarLoopResult]: For program point L413(lines 413 426) no Hoare annotation was computed. [2020-09-21 11:13:15,450 INFO L268 CegarLoopResult]: For program point testFINAL(lines 373 438) no Hoare annotation was computed. [2020-09-21 11:13:15,450 INFO L264 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:13:15,450 INFO L268 CegarLoopResult]: For program point L403(lines 403 409) no Hoare annotation was computed. [2020-09-21 11:13:15,451 INFO L268 CegarLoopResult]: For program point L403-1(lines 403 409) no Hoare annotation was computed. [2020-09-21 11:13:15,451 INFO L264 CegarLoopResult]: At program point L428(lines 383 430) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:13:15,451 INFO L264 CegarLoopResult]: At program point L395(line 395) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2020-09-21 11:13:15,451 INFO L268 CegarLoopResult]: For program point L393(lines 393 399) no Hoare annotation was computed. [2020-09-21 11:13:15,451 INFO L268 CegarLoopResult]: For program point L393-1(lines 393 399) no Hoare annotation was computed. [2020-09-21 11:13:15,451 INFO L268 CegarLoopResult]: For program point L385(lines 385 389) no Hoare annotation was computed. [2020-09-21 11:13:15,451 INFO L264 CegarLoopResult]: At program point L431(lines 382 432) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:13:15,451 INFO L268 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2020-09-21 11:13:15,452 INFO L264 CegarLoopResult]: At program point L421-2(lines 413 426) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:13:15,452 INFO L268 CegarLoopResult]: For program point testEXIT(lines 373 438) no Hoare annotation was computed. [2020-09-21 11:13:15,452 INFO L268 CegarLoopResult]: For program point L733(lines 733 740) no Hoare annotation was computed. [2020-09-21 11:13:15,452 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 713 758) no Hoare annotation was computed. [2020-09-21 11:13:15,452 INFO L268 CegarLoopResult]: For program point L727(lines 727 747) no Hoare annotation was computed. [2020-09-21 11:13:15,452 INFO L268 CegarLoopResult]: For program point L727-1(lines 727 747) no Hoare annotation was computed. [2020-09-21 11:13:15,452 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 713 758) no Hoare annotation was computed. [2020-09-21 11:13:15,452 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 713 758) no Hoare annotation was computed. [2020-09-21 11:13:15,453 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 255 262) no Hoare annotation was computed. [2020-09-21 11:13:15,453 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 255 262) no Hoare annotation was computed. [2020-09-21 11:13:15,453 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 255 262) no Hoare annotation was computed. [2020-09-21 11:13:15,453 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-09-21 11:13:15,453 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-09-21 11:13:15,453 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-09-21 11:13:15,453 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-09-21 11:13:15,453 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-09-21 11:13:15,453 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-09-21 11:13:15,454 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-09-21 11:13:15,454 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-09-21 11:13:15,454 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 610 712) no Hoare annotation was computed. [2020-09-21 11:13:15,454 INFO L268 CegarLoopResult]: For program point L634(lines 634 638) no Hoare annotation was computed. [2020-09-21 11:13:15,454 INFO L268 CegarLoopResult]: For program point L698(lines 698 709) no Hoare annotation was computed. [2020-09-21 11:13:15,454 INFO L268 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-09-21 11:13:15,454 INFO L268 CegarLoopResult]: For program point L659-2(lines 659 679) no Hoare annotation was computed. [2020-09-21 11:13:15,454 INFO L268 CegarLoopResult]: For program point L680(lines 658 681) no Hoare annotation was computed. [2020-09-21 11:13:15,454 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 610 712) no Hoare annotation was computed. [2020-09-21 11:13:15,455 INFO L268 CegarLoopResult]: For program point L639(lines 639 655) no Hoare annotation was computed. [2020-09-21 11:13:15,455 INFO L268 CegarLoopResult]: For program point L699(lines 699 706) no Hoare annotation was computed. [2020-09-21 11:13:15,455 INFO L268 CegarLoopResult]: For program point L660(lines 659 679) no Hoare annotation was computed. [2020-09-21 11:13:15,455 INFO L268 CegarLoopResult]: For program point L691(line 691) no Hoare annotation was computed. [2020-09-21 11:13:15,455 INFO L268 CegarLoopResult]: For program point L691-1(line 691) no Hoare annotation was computed. [2020-09-21 11:13:15,455 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 610 712) no Hoare annotation was computed. [2020-09-21 11:13:15,455 INFO L268 CegarLoopResult]: For program point L656(lines 656 697) no Hoare annotation was computed. [2020-09-21 11:13:15,455 INFO L268 CegarLoopResult]: For program point L675(line 675) no Hoare annotation was computed. [2020-09-21 11:13:15,455 INFO L268 CegarLoopResult]: For program point L675-1(line 675) no Hoare annotation was computed. [2020-09-21 11:13:15,456 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 906 915) no Hoare annotation was computed. [2020-09-21 11:13:15,456 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 906 915) no Hoare annotation was computed. [2020-09-21 11:13:15,456 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 906 915) no Hoare annotation was computed. [2020-09-21 11:13:15,456 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:13:15,456 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-09-21 11:13:15,456 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:13:15,457 INFO L268 CegarLoopResult]: For program point L274-1(lines 263 279) no Hoare annotation was computed. [2020-09-21 11:13:15,457 INFO L268 CegarLoopResult]: For program point L270(lines 270 276) no Hoare annotation was computed. [2020-09-21 11:13:15,457 INFO L268 CegarLoopResult]: For program point L268(line 268) no Hoare annotation was computed. [2020-09-21 11:13:15,457 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 263 279) no Hoare annotation was computed. [2020-09-21 11:13:15,457 INFO L268 CegarLoopResult]: For program point L268-1(line 268) no Hoare annotation was computed. [2020-09-21 11:13:15,457 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 263 279) no Hoare annotation was computed. [2020-09-21 11:13:15,457 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-09-21 11:13:15,457 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-09-21 11:13:15,457 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-09-21 11:13:15,458 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-09-21 11:13:15,458 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-09-21 11:13:15,458 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) 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 11:13:15,458 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-09-21 11:13:15,458 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:13:15,458 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:13:15,458 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:13:15,458 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-09-21 11:13:15,459 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-09-21 11:13:15,459 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-09-21 11:13:15,459 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2 (and (= 2 ~waterLevel~0) .cse0)))) [2020-09-21 11:13:15,459 INFO L264 CegarLoopResult]: At program point L183(lines 183 189) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2))) [2020-09-21 11:13:15,459 INFO L264 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-09-21 11:13:15,459 INFO L268 CegarLoopResult]: For program point L176(lines 175 194) no Hoare annotation was computed. [2020-09-21 11:13:15,460 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 172 195) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2 (and (= 2 ~waterLevel~0) .cse0)))) [2020-09-21 11:13:15,460 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 172 195) no Hoare annotation was computed. [2020-09-21 11:13:15,460 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 172 195) no Hoare annotation was computed. [2020-09-21 11:13:15,460 INFO L271 CegarLoopResult]: At program point L832(lines 807 836) the Hoare annotation is: true [2020-09-21 11:13:15,460 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2020-09-21 11:13:15,460 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2020-09-21 11:13:15,460 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-09-21 11:13:15,460 INFO L268 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2020-09-21 11:13:15,461 INFO L271 CegarLoopResult]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2020-09-21 11:13:15,461 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-09-21 11:13:15,461 INFO L271 CegarLoopResult]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2020-09-21 11:13:15,461 INFO L271 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: true [2020-09-21 11:13:15,461 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-09-21 11:13:15,461 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-09-21 11:13:15,461 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-09-21 11:13:15,461 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-09-21 11:13:15,462 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2020-09-21 11:13:15,462 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2020-09-21 11:13:15,462 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:13:15,462 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 11:13:15,462 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:13:15,462 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:13:15,462 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 363 370) no Hoare annotation was computed. [2020-09-21 11:13:15,463 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 363 370) 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 11:13:15,463 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 363 370) no Hoare annotation was computed. [2020-09-21 11:13:15,463 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-09-21 11:13:15,463 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-09-21 11:13:15,463 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) 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 11:13:15,463 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 940 947) no Hoare annotation was computed. [2020-09-21 11:13:15,463 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 944) no Hoare annotation was computed. [2020-09-21 11:13:15,463 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 940 947) the Hoare annotation is: true [2020-09-21 11:13:15,464 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 940 947) no Hoare annotation was computed. [2020-09-21 11:13:15,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:13:15 BoogieIcfgContainer [2020-09-21 11:13:15,484 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:13:15,486 INFO L168 Benchmark]: Toolchain (without parser) took 44727.72 ms. Allocated memory was 142.6 MB in the beginning and 646.4 MB in the end (delta: 503.8 MB). Free memory was 101.4 MB in the beginning and 446.9 MB in the end (delta: -345.5 MB). Peak memory consumption was 502.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:13:15,487 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 142.6 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:13:15,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.94 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 100.8 MB in the beginning and 174.0 MB in the end (delta: -73.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:13:15,488 INFO L168 Benchmark]: Boogie Preprocessor took 92.83 ms. Allocated memory is still 204.5 MB. Free memory was 174.0 MB in the beginning and 169.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:13:15,489 INFO L168 Benchmark]: RCFGBuilder took 1150.06 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 169.4 MB in the beginning and 196.4 MB in the end (delta: -27.0 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:13:15,490 INFO L168 Benchmark]: TraceAbstraction took 42759.71 ms. Allocated memory was 235.4 MB in the beginning and 646.4 MB in the end (delta: 411.0 MB). Free memory was 196.4 MB in the beginning and 446.9 MB in the end (delta: -250.5 MB). Peak memory consumption was 505.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:13:15,493 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 142.6 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.94 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 100.8 MB in the beginning and 174.0 MB in the end (delta: -73.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.83 ms. Allocated memory is still 204.5 MB. Free memory was 174.0 MB in the beginning and 169.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1150.06 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 169.4 MB in the beginning and 196.4 MB in the end (delta: -27.0 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 42759.71 ms. Allocated memory was 235.4 MB in the beginning and 646.4 MB in the end (delta: 411.0 MB). Free memory was 196.4 MB in the beginning and 446.9 MB in the end (delta: -250.5 MB). Peak memory consumption was 505.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 944]: 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: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: 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) && pumpRunning == 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 15.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 20.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 687 SDtfs, 1133 SDslu, 508 SDs, 0 SdLazy, 3026 SolverSat, 811 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 179 GetRequests, 123 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=438occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 254 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 504 PreInvPairs, 527 NumberOfFragments, 1231 HoareAnnotationTreeSize, 504 FomulaSimplifications, 80217 FormulaSimplificationTreeSizeReduction, 11.2s HoareSimplificationTime, 59 FomulaSimplificationsInter, 8251 FormulaSimplificationTreeSizeReductionInter, 9.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 348 NumberOfCodeBlocks, 348 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 100598 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...