/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:13:30,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:13:30,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:13:30,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:13:30,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:13:30,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:13:30,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:13:30,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:13:30,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:13:30,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:13:30,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:13:30,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:13:30,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:13:30,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:13:30,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:13:30,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:13:30,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:13:30,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:13:30,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:13:30,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:13:30,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:13:30,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:13:30,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:13:30,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:13:30,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:13:30,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:13:30,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:13:30,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:13:30,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:13:30,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:13:30,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:13:30,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:13:30,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:13:30,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:13:30,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:13:30,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:13:30,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:13:30,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:13:30,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:13:30,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:13:30,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:13:30,943 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:13:31,001 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:13:31,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:13:31,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:13:31,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:13:31,006 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:13:31,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:13:31,006 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:13:31,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:13:31,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:13:31,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:13:31,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:13:31,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:13:31,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:13:31,010 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:13:31,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:13:31,010 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:13:31,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:13:31,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:13:31,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:13:31,011 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:13:31,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:13:31,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:13:31,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:13:31,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:13:31,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:13:31,014 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:13:31,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:13:31,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:13:31,014 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:13:31,015 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:13:31,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:13:31,522 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:13:31,526 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:13:31,528 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:13:31,529 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:13:31,531 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product11.cil.c [2020-09-21 12:13:31,624 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ce48a29a2/d8c96f0823b34c099f5f5adb48b40f43/FLAG73962723a [2020-09-21 12:13:32,271 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:13:32,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product11.cil.c [2020-09-21 12:13:32,300 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ce48a29a2/d8c96f0823b34c099f5f5adb48b40f43/FLAG73962723a [2020-09-21 12:13:32,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ce48a29a2/d8c96f0823b34c099f5f5adb48b40f43 [2020-09-21 12:13:32,531 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:13:32,539 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:13:32,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:13:32,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:13:32,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:13:32,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:13:32" (1/1) ... [2020-09-21 12:13:32,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:32, skipping insertion in model container [2020-09-21 12:13:32,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:13:32" (1/1) ... [2020-09-21 12:13:32,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:13:32,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:13:33,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:13:33,035 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:13:33,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:13:33,274 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:13:33,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:33 WrapperNode [2020-09-21 12:13:33,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:13:33,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:13:33,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:13:33,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:13:33,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:33" (1/1) ... [2020-09-21 12:13:33,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:33" (1/1) ... [2020-09-21 12:13:33,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:33" (1/1) ... [2020-09-21 12:13:33,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:33" (1/1) ... [2020-09-21 12:13:33,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:33" (1/1) ... [2020-09-21 12:13:33,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:33" (1/1) ... [2020-09-21 12:13:33,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:33" (1/1) ... [2020-09-21 12:13:33,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:13:33,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:13:33,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:13:33,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:13:33,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:33" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:13:33,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:13:33,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:13:33,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:13:33,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:13:33,460 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:13:33,460 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:13:33,460 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 12:13:33,461 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:13:33,462 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:13:33,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:13:33,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:13:33,462 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:13:33,462 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 12:13:33,462 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:13:33,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 12:13:33,464 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:13:33,464 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:13:33,464 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:13:33,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:13:33,465 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:13:33,465 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:13:33,466 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:13:33,467 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:13:33,467 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:13:33,467 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:13:33,468 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:13:33,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:13:33,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:13:33,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:13:33,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:13:33,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:13:33,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:13:33,470 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:13:33,471 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:13:33,471 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:13:33,471 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:13:33,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:13:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:13:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:13:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:13:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:13:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:13:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:13:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:13:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:13:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:13:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:13:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:13:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 12:13:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 12:13:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:13:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 12:13:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:13:33,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:13:33,476 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:13:33,476 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:13:33,476 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:13:33,476 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:13:33,477 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:13:33,477 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:13:33,477 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:13:33,477 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:13:33,477 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:13:33,477 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:13:33,477 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:13:33,478 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:13:33,478 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:13:33,478 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:13:33,478 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:13:33,478 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:13:33,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:13:33,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:13:33,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:13:33,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:13:33,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:13:33,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:13:33,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:13:33,481 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:13:33,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:13:33,482 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:13:33,482 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:13:33,482 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:13:33,483 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:13:33,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:13:33,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:13:33,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:13:34,500 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:13:34,501 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:13:34,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:13:34 BoogieIcfgContainer [2020-09-21 12:13:34,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:13:34,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:13:34,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:13:34,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:13:34,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:13:32" (1/3) ... [2020-09-21 12:13:34,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17724028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:13:34, skipping insertion in model container [2020-09-21 12:13:34,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:33" (2/3) ... [2020-09-21 12:13:34,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17724028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:13:34, skipping insertion in model container [2020-09-21 12:13:34,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:13:34" (3/3) ... [2020-09-21 12:13:34,539 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2020-09-21 12:13:34,550 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:13:34,561 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:13:34,584 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:13:34,610 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:13:34,611 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:13:34,611 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:13:34,611 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:13:34,611 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:13:34,611 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:13:34,611 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:13:34,612 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:13:34,638 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2020-09-21 12:13:34,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 12:13:34,650 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:34,651 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:13:34,651 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:34,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:34,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1153338705, now seen corresponding path program 1 times [2020-09-21 12:13:34,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:34,668 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [261142894] [2020-09-21 12:13:34,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:35,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:35,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:36,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:36,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:13:36,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:13:36,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1039 [2020-09-21 12:13:36,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:36,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:36,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:13:36,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:36,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-21 12:13:36,554 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:36,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:36,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:36,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:36,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:36,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:36,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 12:13:36,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:36,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:36,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:36,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:36,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:36,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:36,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:36,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:36,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:36,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:36,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:36,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:36,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:36,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:36,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:36,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:36,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:36,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:36,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:36,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:36,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:36,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:36,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:36,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:36,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:36,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:36,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:36,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:36,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:36,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:36,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:36,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:36,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:36,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:36,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:36,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:36,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:36,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:36,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:36,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:36,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:36,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:36,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:36,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:36,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:36,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:36,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:36,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:36,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:36,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:13:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:36,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:36,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:36,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:36,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:36,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:36,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:36,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:36,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:36,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:36,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:36,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:13:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:36,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:36,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:36,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:36,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:36,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:36,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:36,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:36,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:36,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:36,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:36,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:13:36,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [261142894] [2020-09-21 12:13:36,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:36,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:13:36,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32135030] [2020-09-21 12:13:36,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:13:36,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:36,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:13:36,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:13:36,763 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 3 states. [2020-09-21 12:13:37,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:37,706 INFO L93 Difference]: Finished difference Result 219 states and 293 transitions. [2020-09-21 12:13:37,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:13:37,709 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 12:13:37,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:37,730 INFO L225 Difference]: With dead ends: 219 [2020-09-21 12:13:37,730 INFO L226 Difference]: Without dead ends: 120 [2020-09-21 12:13:37,735 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:13:37,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-09-21 12:13:37,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 90. [2020-09-21 12:13:37,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-09-21 12:13:37,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2020-09-21 12:13:37,828 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 46 [2020-09-21 12:13:37,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:37,828 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2020-09-21 12:13:37,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:13:37,829 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2020-09-21 12:13:37,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 12:13:37,832 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:37,833 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:13:37,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:13:37,833 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:37,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:37,834 INFO L82 PathProgramCache]: Analyzing trace with hash -976475527, now seen corresponding path program 1 times [2020-09-21 12:13:37,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:37,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1877353737] [2020-09-21 12:13:37,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:37,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:38,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:38,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:39,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:39,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:13:39,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:13:39,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1488 [2020-09-21 12:13:39,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:39,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:39,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:13:39,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:13:39,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:39,702 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:39,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:39,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:39,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:39,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:39,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:39,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 12:13:39,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:39,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:39,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:39,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:39,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:39,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:39,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:39,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:39,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:39,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:39,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:39,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:39,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:39,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:39,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:39,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:39,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:39,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:39,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:39,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:39,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:39,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:39,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:39,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:39,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:39,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:39,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:39,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:39,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:39,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:39,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:39,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:39,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:39,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:39,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:39,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:39,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:39,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:39,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:39,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:39,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:39,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:39,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:39,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:39,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:39,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:13:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:39,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:39,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:39,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:39,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:39,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:39,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:39,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:39,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:39,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:39,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:39,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:13:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:39,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:39,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:39,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:39,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:39,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:39,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:39,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:39,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:39,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:39,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:39,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:13:39,850 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1877353737] [2020-09-21 12:13:39,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:39,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:13:39,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948656911] [2020-09-21 12:13:39,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:13:39,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:39,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:13:39,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:13:39,855 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 4 states. [2020-09-21 12:13:40,354 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:13:41,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:41,139 INFO L93 Difference]: Finished difference Result 143 states and 174 transitions. [2020-09-21 12:13:41,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:13:41,140 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 12:13:41,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:41,142 INFO L225 Difference]: With dead ends: 143 [2020-09-21 12:13:41,142 INFO L226 Difference]: Without dead ends: 104 [2020-09-21 12:13:41,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:13:41,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-09-21 12:13:41,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 81. [2020-09-21 12:13:41,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-09-21 12:13:41,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2020-09-21 12:13:41,177 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 47 [2020-09-21 12:13:41,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:41,177 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2020-09-21 12:13:41,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:13:41,178 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2020-09-21 12:13:41,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:13:41,180 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:41,180 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] [2020-09-21 12:13:41,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:13:41,180 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:41,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:41,181 INFO L82 PathProgramCache]: Analyzing trace with hash 560294279, now seen corresponding path program 1 times [2020-09-21 12:13:41,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:41,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095203094] [2020-09-21 12:13:41,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:41,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:41,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:42,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:42,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 12:13:42,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:13:42,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1039 [2020-09-21 12:13:42,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:42,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:13:42,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:42,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 12:13:42,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:42,648 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:42,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:42,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:42,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:42,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:42,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:42,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-09-21 12:13:42,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:42,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:42,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:42,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:13:42,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:42,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:42,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:42,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:42,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:42,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:42,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:42,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:42,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:42,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:42,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:42,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:42,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:42,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:42,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:42,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:42,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:42,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:42,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:42,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:42,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:42,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:42,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:42,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:42,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:42,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:42,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:42,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:42,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:13:42,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:42,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:42,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:42,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:42,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:42,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:42,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:42,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:42,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:42,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:42,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:42,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:42,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:42,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:42,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:42,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:42,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:13:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:42,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:42,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:42,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:42,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:42,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:42,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:42,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:42,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:42,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:42,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:42,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:13:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:42,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:42,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:42,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:42,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:42,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:42,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:42,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:42,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:42,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:42,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:42,931 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 12:13:42,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095203094] [2020-09-21 12:13:42,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:42,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:13:42,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50144414] [2020-09-21 12:13:42,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:13:42,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:42,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:13:42,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:13:42,935 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 4 states. [2020-09-21 12:13:43,260 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:44,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:44,133 INFO L93 Difference]: Finished difference Result 226 states and 278 transitions. [2020-09-21 12:13:44,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:13:44,133 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:13:44,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:44,137 INFO L225 Difference]: With dead ends: 226 [2020-09-21 12:13:44,138 INFO L226 Difference]: Without dead ends: 169 [2020-09-21 12:13:44,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:13:44,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-09-21 12:13:44,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 126. [2020-09-21 12:13:44,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-09-21 12:13:44,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2020-09-21 12:13:44,207 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 51 [2020-09-21 12:13:44,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:44,207 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2020-09-21 12:13:44,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:13:44,207 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2020-09-21 12:13:44,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-21 12:13:44,212 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:44,212 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] [2020-09-21 12:13:44,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:13:44,212 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:44,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:44,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1587380888, now seen corresponding path program 1 times [2020-09-21 12:13:44,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:44,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2084449084] [2020-09-21 12:13:44,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:44,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:44,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:45,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:45,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:45,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:13:45,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:13:45,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1363 [2020-09-21 12:13:45,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:45,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:13:45,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-21 12:13:45,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-21 12:13:45,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:45,975 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:45,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:45,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:46,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:46,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:46,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:46,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 12:13:46,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:46,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:46,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:46,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:46,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:46,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:46,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:46,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:46,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:46,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:46,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:13:46,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:46,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:46,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:46,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:46,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:46,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:46,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:46,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:46,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:46,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:46,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:46,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:46,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:46,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:46,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:46,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:46,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:46,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:46,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:46,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:46,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:46,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:46,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:46,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:46,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:46,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:46,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:46,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:46,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:46,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:46,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:46,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:46,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:46,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:46,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:46,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:46,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:46,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:46,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 12:13:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:46,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:46,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:46,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:46,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:46,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:46,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:46,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:46,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:46,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:46,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:46,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 12:13:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:46,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:46,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:46,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:46,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:46,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:46,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:46,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:46,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:46,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:46,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:46,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 12:13:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:46,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:46,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:46,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:46,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:46,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:13:46,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:46,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:13:46,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:46,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:46,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:46,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:13:46,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2084449084] [2020-09-21 12:13:46,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:46,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 12:13:46,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430507795] [2020-09-21 12:13:46,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:13:46,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:46,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:13:46,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:13:46,148 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 7 states. [2020-09-21 12:13:46,629 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:47,750 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:48,024 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:48,302 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:48,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:48,424 INFO L93 Difference]: Finished difference Result 234 states and 289 transitions. [2020-09-21 12:13:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 12:13:48,425 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2020-09-21 12:13:48,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:48,426 INFO L225 Difference]: With dead ends: 234 [2020-09-21 12:13:48,426 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:13:48,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:13:48,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:13:48,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:13:48,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:13:48,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:13:48,434 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-09-21 12:13:48,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:48,435 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:13:48,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:13:48,435 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:13:48,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:13:48,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:13:48,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:13:48,646 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:48,811 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:49,104 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:13:49,262 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:49,524 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:13:49,694 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:49,822 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 6 [2020-09-21 12:13:50,085 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:13:50,247 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:50,495 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:13:50,647 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:50,796 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:50,945 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:51,191 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 6 [2020-09-21 12:13:51,336 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:51,485 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:51,631 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:51,792 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:51,942 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:52,087 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:52,239 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:52,393 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:52,538 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:52,688 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:52,836 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:52,986 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:53,139 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:53,286 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:53,437 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:53,588 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:53,758 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:53,902 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:54,047 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:54,195 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:54,345 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:54,494 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:54,957 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:55,106 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:55,251 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:55,553 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 12:13:55,849 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 12:13:55,998 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:56,143 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:56,292 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:56,524 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:13:56,864 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8 [2020-09-21 12:13:57,071 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:13:57,446 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8 [2020-09-21 12:13:57,662 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:13:57,878 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:13:58,077 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:13:58,360 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:58,559 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:13:58,771 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:13:59,226 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-21 12:13:59,423 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:13:59,616 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:13:59,819 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:14:00,023 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:14:00,405 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-21 12:14:00,595 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:14:01,039 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-21 12:14:01,238 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2020-09-21 12:14:01,428 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:14:01,639 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:14:01,644 INFO L268 CegarLoopResult]: For program point L574(lines 551 575) no Hoare annotation was computed. [2020-09-21 12:14:01,644 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 527 582) no Hoare annotation was computed. [2020-09-21 12:14:01,644 INFO L268 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-09-21 12:14:01,645 INFO L268 CegarLoopResult]: For program point L558-1(lines 558 562) no Hoare annotation was computed. [2020-09-21 12:14:01,645 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 12:14:01,645 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 527 582) no Hoare annotation was computed. [2020-09-21 12:14:01,645 INFO L268 CegarLoopResult]: For program point L552-2(lines 552 573) no Hoare annotation was computed. [2020-09-21 12:14:01,645 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 527 582) no Hoare annotation was computed. [2020-09-21 12:14:01,645 INFO L268 CegarLoopResult]: For program point L609-2(lines 609 634) no Hoare annotation was computed. [2020-09-21 12:14:01,645 INFO L268 CegarLoopResult]: For program point L635(lines 608 636) no Hoare annotation was computed. [2020-09-21 12:14:01,646 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 583 642) no Hoare annotation was computed. [2020-09-21 12:14:01,646 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-09-21 12:14:01,646 INFO L268 CegarLoopResult]: For program point L628-1(line 628) no Hoare annotation was computed. [2020-09-21 12:14:01,646 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 583 642) no Hoare annotation was computed. [2020-09-21 12:14:01,646 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 583 642) no Hoare annotation was computed. [2020-09-21 12:14:01,646 INFO L268 CegarLoopResult]: For program point L615(lines 615 619) no Hoare annotation was computed. [2020-09-21 12:14:01,647 INFO L268 CegarLoopResult]: For program point L615-1(lines 615 619) no Hoare annotation was computed. [2020-09-21 12:14:01,647 INFO L268 CegarLoopResult]: For program point L610(line 610) no Hoare annotation was computed. [2020-09-21 12:14:01,647 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 859 865) the Hoare annotation is: true [2020-09-21 12:14:01,647 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 859 865) no Hoare annotation was computed. [2020-09-21 12:14:01,648 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 866 874) no Hoare annotation was computed. [2020-09-21 12:14:01,648 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 866 874) the Hoare annotation is: true [2020-09-21 12:14:01,648 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 866 874) no Hoare annotation was computed. [2020-09-21 12:14:01,648 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 270 294) the Hoare annotation is: true [2020-09-21 12:14:01,648 INFO L264 CegarLoopResult]: At program point L284(line 284) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:14:01,648 INFO L268 CegarLoopResult]: For program point L282(lines 282 288) no Hoare annotation was computed. [2020-09-21 12:14:01,648 INFO L271 CegarLoopResult]: At program point L280(line 280) the Hoare annotation is: true [2020-09-21 12:14:01,648 INFO L268 CegarLoopResult]: For program point L280-1(line 280) no Hoare annotation was computed. [2020-09-21 12:14:01,648 INFO L268 CegarLoopResult]: For program point L278(lines 278 291) no Hoare annotation was computed. [2020-09-21 12:14:01,649 INFO L268 CegarLoopResult]: For program point L278-1(lines 270 294) no Hoare annotation was computed. [2020-09-21 12:14:01,649 INFO L271 CegarLoopResult]: At program point L276(line 276) the Hoare annotation is: true [2020-09-21 12:14:01,649 INFO L268 CegarLoopResult]: For program point L276-1(line 276) no Hoare annotation was computed. [2020-09-21 12:14:01,649 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 270 294) no Hoare annotation was computed. [2020-09-21 12:14:01,649 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 451 473) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:01,649 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 451 473) no Hoare annotation was computed. [2020-09-21 12:14:01,649 INFO L264 CegarLoopResult]: At program point L463(line 463) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:01,650 INFO L264 CegarLoopResult]: At program point L463-1(line 463) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:01,650 INFO L268 CegarLoopResult]: For program point L461(lines 461 468) no Hoare annotation was computed. [2020-09-21 12:14:01,650 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 451 473) no Hoare annotation was computed. [2020-09-21 12:14:01,650 INFO L268 CegarLoopResult]: For program point L461-1(lines 461 468) no Hoare annotation was computed. [2020-09-21 12:14:01,650 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-09-21 12:14:01,650 INFO L264 CegarLoopResult]: At program point L458(line 458) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:01,651 INFO L264 CegarLoopResult]: At program point L457(line 457) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:01,651 INFO L264 CegarLoopResult]: At program point L457-1(line 457) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:01,651 INFO L268 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-09-21 12:14:01,651 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-09-21 12:14:01,651 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 407 430) no Hoare annotation was computed. [2020-09-21 12:14:01,651 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-21 12:14:01,651 INFO L268 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-09-21 12:14:01,651 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-09-21 12:14:01,652 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 407 430) no Hoare annotation was computed. [2020-09-21 12:14:01,652 INFO L268 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-09-21 12:14:01,652 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 407 430) no Hoare annotation was computed. [2020-09-21 12:14:01,652 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-09-21 12:14:01,652 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-21 12:14:01,652 INFO L268 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-09-21 12:14:01,652 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-09-21 12:14:01,653 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-21 12:14:01,653 INFO L268 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-09-21 12:14:01,653 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-09-21 12:14:01,653 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-21 12:14:01,653 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 183 197) no Hoare annotation was computed. [2020-09-21 12:14:01,653 INFO L264 CegarLoopResult]: At program point L189(line 189) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:14:01,653 INFO L268 CegarLoopResult]: For program point L187(lines 187 193) no Hoare annotation was computed. [2020-09-21 12:14:01,654 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 183 197) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:14:01,654 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 183 197) no Hoare annotation was computed. [2020-09-21 12:14:01,654 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 93 100) no Hoare annotation was computed. [2020-09-21 12:14:01,654 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 93 100) no Hoare annotation was computed. [2020-09-21 12:14:01,654 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 93 100) no Hoare annotation was computed. [2020-09-21 12:14:01,654 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 138 146) no Hoare annotation was computed. [2020-09-21 12:14:01,654 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 138 146) the Hoare annotation is: true [2020-09-21 12:14:01,654 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 138 146) no Hoare annotation was computed. [2020-09-21 12:14:01,654 INFO L268 CegarLoopResult]: For program point L154(lines 154 162) no Hoare annotation was computed. [2020-09-21 12:14:01,655 INFO L268 CegarLoopResult]: For program point L154-2(lines 154 162) no Hoare annotation was computed. [2020-09-21 12:14:01,655 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-09-21 12:14:01,655 INFO L268 CegarLoopResult]: For program point L177-1(line 177) no Hoare annotation was computed. [2020-09-21 12:14:01,655 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 147 182) no Hoare annotation was computed. [2020-09-21 12:14:01,655 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 147 182) no Hoare annotation was computed. [2020-09-21 12:14:01,655 INFO L268 CegarLoopResult]: For program point L166(lines 166 174) no Hoare annotation was computed. [2020-09-21 12:14:01,655 INFO L268 CegarLoopResult]: For program point L166-2(lines 166 174) no Hoare annotation was computed. [2020-09-21 12:14:01,655 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 147 182) no Hoare annotation was computed. [2020-09-21 12:14:01,655 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 852 858) no Hoare annotation was computed. [2020-09-21 12:14:01,656 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 852 858) the Hoare annotation is: true [2020-09-21 12:14:01,656 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 481 526) no Hoare annotation was computed. [2020-09-21 12:14:01,656 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 481 526) no Hoare annotation was computed. [2020-09-21 12:14:01,656 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 481 526) no Hoare annotation was computed. [2020-09-21 12:14:01,656 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 794 839) no Hoare annotation was computed. [2020-09-21 12:14:01,656 INFO L268 CegarLoopResult]: For program point L814(lines 814 821) no Hoare annotation was computed. [2020-09-21 12:14:01,656 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 794 839) no Hoare annotation was computed. [2020-09-21 12:14:01,656 INFO L268 CegarLoopResult]: For program point L808(lines 808 828) no Hoare annotation was computed. [2020-09-21 12:14:01,656 INFO L268 CegarLoopResult]: For program point L808-1(lines 808 828) no Hoare annotation was computed. [2020-09-21 12:14:01,656 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 794 839) no Hoare annotation was computed. [2020-09-21 12:14:01,657 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 438 447) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:01,657 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 438 447) no Hoare annotation was computed. [2020-09-21 12:14:01,657 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 438 447) no Hoare annotation was computed. [2020-09-21 12:14:01,657 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 127 137) no Hoare annotation was computed. [2020-09-21 12:14:01,657 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 127 137) no Hoare annotation was computed. [2020-09-21 12:14:01,657 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 127 137) no Hoare annotation was computed. [2020-09-21 12:14:01,657 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-09-21 12:14:01,657 INFO L268 CegarLoopResult]: For program point L132-1(line 132) no Hoare annotation was computed. [2020-09-21 12:14:01,657 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 119 126) the Hoare annotation is: true [2020-09-21 12:14:01,657 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 119 126) no Hoare annotation was computed. [2020-09-21 12:14:01,658 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 119 126) no Hoare annotation was computed. [2020-09-21 12:14:01,658 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 86 92) no Hoare annotation was computed. [2020-09-21 12:14:01,658 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 86 92) the Hoare annotation is: true [2020-09-21 12:14:01,658 INFO L264 CegarLoopResult]: At program point testENTRY(lines 202 267) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:01,658 INFO L264 CegarLoopResult]: At program point L250(line 250) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:14:01,658 INFO L268 CegarLoopResult]: For program point L248(lines 248 254) no Hoare annotation was computed. [2020-09-21 12:14:01,658 INFO L264 CegarLoopResult]: At program point L248-1(lines 242 255) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:14:01,658 INFO L268 CegarLoopResult]: For program point testFINAL(lines 202 267) no Hoare annotation was computed. [2020-09-21 12:14:01,659 INFO L268 CegarLoopResult]: For program point L213(lines 212 259) no Hoare annotation was computed. [2020-09-21 12:14:01,659 INFO L268 CegarLoopResult]: For program point L242(lines 242 255) no Hoare annotation was computed. [2020-09-21 12:14:01,659 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:14:01,659 INFO L268 CegarLoopResult]: For program point L232(lines 232 238) no Hoare annotation was computed. [2020-09-21 12:14:01,659 INFO L268 CegarLoopResult]: For program point L232-1(lines 232 238) no Hoare annotation was computed. [2020-09-21 12:14:01,659 INFO L264 CegarLoopResult]: At program point L257(lines 212 259) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:14:01,659 INFO L264 CegarLoopResult]: At program point L224(line 224) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:14:01,659 INFO L268 CegarLoopResult]: For program point L222(lines 222 228) no Hoare annotation was computed. [2020-09-21 12:14:01,659 INFO L268 CegarLoopResult]: For program point L222-1(lines 222 228) no Hoare annotation was computed. [2020-09-21 12:14:01,660 INFO L268 CegarLoopResult]: For program point L214(lines 214 218) no Hoare annotation was computed. [2020-09-21 12:14:01,660 INFO L264 CegarLoopResult]: At program point L260(lines 211 261) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:14:01,660 INFO L268 CegarLoopResult]: For program point testEXIT(lines 202 267) no Hoare annotation was computed. [2020-09-21 12:14:01,660 INFO L268 CegarLoopResult]: For program point L768(lines 768 775) no Hoare annotation was computed. [2020-09-21 12:14:01,660 INFO L268 CegarLoopResult]: For program point L762(lines 762 782) no Hoare annotation was computed. [2020-09-21 12:14:01,660 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 748 793) no Hoare annotation was computed. [2020-09-21 12:14:01,660 INFO L268 CegarLoopResult]: For program point L762-1(lines 762 782) no Hoare annotation was computed. [2020-09-21 12:14:01,660 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 748 793) no Hoare annotation was computed. [2020-09-21 12:14:01,660 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 748 793) no Hoare annotation was computed. [2020-09-21 12:14:01,660 INFO L268 CegarLoopResult]: For program point L351(lines 351 359) no Hoare annotation was computed. [2020-09-21 12:14:01,660 INFO L268 CegarLoopResult]: For program point L351-2(lines 351 359) no Hoare annotation was computed. [2020-09-21 12:14:01,660 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 343 365) no Hoare annotation was computed. [2020-09-21 12:14:01,661 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 343 365) no Hoare annotation was computed. [2020-09-21 12:14:01,661 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 343 365) no Hoare annotation was computed. [2020-09-21 12:14:01,661 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 645 747) no Hoare annotation was computed. [2020-09-21 12:14:01,661 INFO L268 CegarLoopResult]: For program point L669(lines 669 673) no Hoare annotation was computed. [2020-09-21 12:14:01,661 INFO L268 CegarLoopResult]: For program point L733(lines 733 744) no Hoare annotation was computed. [2020-09-21 12:14:01,661 INFO L268 CegarLoopResult]: For program point L696(lines 696 700) no Hoare annotation was computed. [2020-09-21 12:14:01,661 INFO L268 CegarLoopResult]: For program point L694-2(lines 694 714) no Hoare annotation was computed. [2020-09-21 12:14:01,661 INFO L268 CegarLoopResult]: For program point L715(lines 693 716) no Hoare annotation was computed. [2020-09-21 12:14:01,661 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 645 747) no Hoare annotation was computed. [2020-09-21 12:14:01,661 INFO L268 CegarLoopResult]: For program point L674(lines 674 690) no Hoare annotation was computed. [2020-09-21 12:14:01,661 INFO L268 CegarLoopResult]: For program point L734(lines 734 741) no Hoare annotation was computed. [2020-09-21 12:14:01,661 INFO L268 CegarLoopResult]: For program point L695(lines 694 714) no Hoare annotation was computed. [2020-09-21 12:14:01,662 INFO L268 CegarLoopResult]: For program point L726(line 726) no Hoare annotation was computed. [2020-09-21 12:14:01,662 INFO L268 CegarLoopResult]: For program point L726-1(line 726) no Hoare annotation was computed. [2020-09-21 12:14:01,662 INFO L268 CegarLoopResult]: For program point L691(lines 691 732) no Hoare annotation was computed. [2020-09-21 12:14:01,662 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 645 747) no Hoare annotation was computed. [2020-09-21 12:14:01,662 INFO L268 CegarLoopResult]: For program point L710(line 710) no Hoare annotation was computed. [2020-09-21 12:14:01,662 INFO L268 CegarLoopResult]: For program point L710-1(line 710) no Hoare annotation was computed. [2020-09-21 12:14:01,662 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 842 851) no Hoare annotation was computed. [2020-09-21 12:14:01,662 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 842 851) no Hoare annotation was computed. [2020-09-21 12:14:01,662 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 842 851) no Hoare annotation was computed. [2020-09-21 12:14:01,662 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:14:01,663 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~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string11.base| |old(#t~string11.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~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.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~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#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~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#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~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:14:01,663 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:14:01,663 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-09-21 12:14:01,663 INFO L268 CegarLoopResult]: For program point L113-1(lines 102 118) no Hoare annotation was computed. [2020-09-21 12:14:01,663 INFO L268 CegarLoopResult]: For program point L109(lines 109 115) no Hoare annotation was computed. [2020-09-21 12:14:01,663 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 102 118) no Hoare annotation was computed. [2020-09-21 12:14:01,663 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-09-21 12:14:01,663 INFO L268 CegarLoopResult]: For program point L107-1(line 107) no Hoare annotation was computed. [2020-09-21 12:14:01,663 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 102 118) no Hoare annotation was computed. [2020-09-21 12:14:01,663 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 366 374) the Hoare annotation is: true [2020-09-21 12:14:01,663 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 366 374) no Hoare annotation was computed. [2020-09-21 12:14:01,664 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 366 374) no Hoare annotation was computed. [2020-09-21 12:14:01,664 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 322 333) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:14:01,664 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 322 333) no Hoare annotation was computed. [2020-09-21 12:14:01,664 INFO L268 CegarLoopResult]: For program point L326-1(lines 322 333) no Hoare annotation was computed. [2020-09-21 12:14:01,664 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:14:01,664 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:14:01,664 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:14:01,664 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 334 342) no Hoare annotation was computed. [2020-09-21 12:14:01,664 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 334 342) no Hoare annotation was computed. [2020-09-21 12:14:01,665 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 334 342) no Hoare annotation was computed. [2020-09-21 12:14:01,665 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 62 85) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:14:01,665 INFO L264 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:14:01,665 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 62 85) no Hoare annotation was computed. [2020-09-21 12:14:01,665 INFO L264 CegarLoopResult]: At program point L73(lines 73 79) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:14:01,665 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 62 85) no Hoare annotation was computed. [2020-09-21 12:14:01,665 INFO L264 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:14:01,666 INFO L268 CegarLoopResult]: For program point L66(lines 65 84) no Hoare annotation was computed. [2020-09-21 12:14:01,666 INFO L271 CegarLoopResult]: At program point L387-2(lines 387 401) the Hoare annotation is: true [2020-09-21 12:14:01,666 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 377 406) no Hoare annotation was computed. [2020-09-21 12:14:01,666 INFO L271 CegarLoopResult]: At program point L383(line 383) the Hoare annotation is: true [2020-09-21 12:14:01,666 INFO L268 CegarLoopResult]: For program point L383-1(line 383) no Hoare annotation was computed. [2020-09-21 12:14:01,666 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 377 406) the Hoare annotation is: true [2020-09-21 12:14:01,666 INFO L271 CegarLoopResult]: At program point L402(lines 377 406) the Hoare annotation is: true [2020-09-21 12:14:01,667 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-21 12:14:01,667 INFO L268 CegarLoopResult]: For program point L391(lines 391 395) no Hoare annotation was computed. [2020-09-21 12:14:01,667 INFO L271 CegarLoopResult]: At program point L391-1(lines 391 395) the Hoare annotation is: true [2020-09-21 12:14:01,667 INFO L268 CegarLoopResult]: For program point L388(line 388) no Hoare annotation was computed. [2020-09-21 12:14:01,667 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 298 309) the Hoare annotation is: true [2020-09-21 12:14:01,667 INFO L268 CegarLoopResult]: For program point L302-1(lines 298 309) no Hoare annotation was computed. [2020-09-21 12:14:01,667 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 298 309) no Hoare annotation was computed. [2020-09-21 12:14:01,668 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 431 437) no Hoare annotation was computed. [2020-09-21 12:14:01,668 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 431 437) the Hoare annotation is: true [2020-09-21 12:14:01,668 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:14:01,668 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 12:14:01,668 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:14:01,668 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:14:01,668 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 310 321) no Hoare annotation was computed. [2020-09-21 12:14:01,668 INFO L268 CegarLoopResult]: For program point L314-1(lines 310 321) no Hoare annotation was computed. [2020-09-21 12:14:01,669 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 310 321) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:14:01,669 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-09-21 12:14:01,669 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-09-21 12:14:01,669 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-09-21 12:14:01,669 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-09-21 12:14:01,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:14:01 BoogieIcfgContainer [2020-09-21 12:14:01,688 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:14:01,691 INFO L168 Benchmark]: Toolchain (without parser) took 29158.17 ms. Allocated memory was 137.9 MB in the beginning and 587.7 MB in the end (delta: 449.8 MB). Free memory was 98.8 MB in the beginning and 369.5 MB in the end (delta: -270.6 MB). Peak memory consumption was 423.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:01,691 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.9 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:14:01,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.82 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 98.2 MB in the beginning and 170.8 MB in the end (delta: -72.5 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:01,693 INFO L168 Benchmark]: Boogie Preprocessor took 97.12 ms. Allocated memory is still 200.3 MB. Free memory was 170.8 MB in the beginning and 166.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:01,694 INFO L168 Benchmark]: RCFGBuilder took 1155.40 ms. Allocated memory was 200.3 MB in the beginning and 231.2 MB in the end (delta: 30.9 MB). Free memory was 166.6 MB in the beginning and 202.1 MB in the end (delta: -35.5 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:01,694 INFO L168 Benchmark]: TraceAbstraction took 27158.34 ms. Allocated memory was 231.2 MB in the beginning and 587.7 MB in the end (delta: 356.5 MB). Free memory was 202.1 MB in the beginning and 369.5 MB in the end (delta: -167.4 MB). Peak memory consumption was 433.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:01,698 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 137.9 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 734.82 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 98.2 MB in the beginning and 170.8 MB in the end (delta: -72.5 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.12 ms. Allocated memory is still 200.3 MB. Free memory was 170.8 MB in the beginning and 166.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1155.40 ms. Allocated memory was 200.3 MB in the beginning and 231.2 MB in the end (delta: 30.9 MB). Free memory was 166.6 MB in the beginning and 202.1 MB in the end (delta: -35.5 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27158.34 ms. Allocated memory was 231.2 MB in the beginning and 587.7 MB in the end (delta: 356.5 MB). Free memory was 202.1 MB in the beginning and 369.5 MB in the end (delta: -167.4 MB). Peak memory consumption was 433.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 300 SDtfs, 367 SDslu, 121 SDs, 0 SdLazy, 595 SolverSat, 199 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 96 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 160 PreInvPairs, 182 NumberOfFragments, 539 HoareAnnotationTreeSize, 160 FomulaSimplifications, 9321 FormulaSimplificationTreeSizeReduction, 7.8s HoareSimplificationTime, 44 FomulaSimplificationsInter, 6674 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 48808 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...