/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_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:13:29,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:13:29,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:13:29,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:13:29,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:13:29,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:13:29,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:13:29,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:13:29,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:13:29,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:13:29,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:13:29,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:13:29,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:13:29,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:13:29,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:13:29,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:13:29,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:13:29,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:13:29,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:13:29,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:13:29,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:13:29,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:13:29,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:13:29,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:13:29,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:13:29,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:13:29,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:13:29,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:13:29,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:13:29,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:13:29,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:13:29,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:13:29,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:13:29,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:13:29,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:13:29,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:13:29,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:13:29,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:13:29,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:13:29,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:13:29,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:13:29,303 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 12:13:29,338 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:13:29,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:13:29,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:13:29,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:13:29,343 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:13:29,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:13:29,344 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:13:29,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:13:29,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:13:29,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:13:29,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:13:29,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:13:29,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:13:29,348 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:13:29,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:13:29,349 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:13:29,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:13:29,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:13:29,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:13:29,349 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:13:29,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:13:29,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:13:29,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:13:29,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:13:29,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:13:29,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:13:29,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:13:29,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:13:29,354 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:13:29,354 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 12:13:29,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:13:29,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:13:29,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:13:29,871 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:13:29,871 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:13:29,872 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2020-09-21 12:13:29,964 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a9abaee25/db708014a5de4733968f8aee9b35bb0c/FLAG10c43bf08 [2020-09-21 12:13:30,582 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:13:30,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2020-09-21 12:13:30,598 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a9abaee25/db708014a5de4733968f8aee9b35bb0c/FLAG10c43bf08 [2020-09-21 12:13:30,863 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a9abaee25/db708014a5de4733968f8aee9b35bb0c [2020-09-21 12:13:30,876 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:13:30,882 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:13:30,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:13:30,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:13:30,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:13:30,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:13:30" (1/1) ... [2020-09-21 12:13:30,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d085505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:30, skipping insertion in model container [2020-09-21 12:13:30,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:13:30" (1/1) ... [2020-09-21 12:13:30,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:13:30,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:13:31,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:13:31,341 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:13:31,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:13:31,547 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:13:31,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:31 WrapperNode [2020-09-21 12:13:31,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:13:31,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:13:31,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:13:31,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:13:31,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:31" (1/1) ... [2020-09-21 12:13:31,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:31" (1/1) ... [2020-09-21 12:13:31,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:31" (1/1) ... [2020-09-21 12:13:31,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:31" (1/1) ... [2020-09-21 12:13:31,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:31" (1/1) ... [2020-09-21 12:13:31,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:31" (1/1) ... [2020-09-21 12:13:31,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:31" (1/1) ... [2020-09-21 12:13:31,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:13:31,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:13:31,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:13:31,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:13:31,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:31" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:13:31,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:13:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:13:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:13:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 12:13:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:13:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:13:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:13:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:13:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:13:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:13:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:13:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:13:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:13:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:13:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:13:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:13:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:13:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:13:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 12:13:31,753 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:13:31,754 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:13:31,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:13:31,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:13:31,754 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:13:31,756 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:13:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:13:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:13:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:13:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:13:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:13:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:13:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:13:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:13:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:13:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:13:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:13:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:13:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:13:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:13:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:13:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:13:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:13:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 12:13:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:13:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:13:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:13:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:13:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:13:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:13:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:13:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:13:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:13:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:13:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:13:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:13:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:13:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:13:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:13:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:13:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:13:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:13:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:13:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:13:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:13:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:13:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:13:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:13:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:13:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:13:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:13:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:13:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:13:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:13:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:13:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:13:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:13:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:13:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:13:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:13:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:13:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 12:13:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:13:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:13:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:13:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:13:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:13:32,809 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:13:32,809 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:13:32,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:13:32 BoogieIcfgContainer [2020-09-21 12:13:32,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:13:32,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:13:32,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:13:32,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:13:32,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:13:30" (1/3) ... [2020-09-21 12:13:32,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@170aec1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:13:32, skipping insertion in model container [2020-09-21 12:13:32,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:31" (2/3) ... [2020-09-21 12:13:32,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@170aec1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:13:32, skipping insertion in model container [2020-09-21 12:13:32,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:13:32" (3/3) ... [2020-09-21 12:13:32,832 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2020-09-21 12:13:32,843 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:13:32,853 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:13:32,872 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:13:32,901 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:13:32,901 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:13:32,901 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:13:32,901 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:13:32,902 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:13:32,902 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:13:32,902 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:13:32,902 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:13:32,933 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2020-09-21 12:13:32,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 12:13:32,943 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:32,944 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 12:13:32,945 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:32,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:32,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1687671781, now seen corresponding path program 1 times [2020-09-21 12:13:32,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:32,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [115597218] [2020-09-21 12:13:32,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:33,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:33,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:34,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:34,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:13:34,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:13:34,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1009 [2020-09-21 12:13:34,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:34,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:34,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:13:34,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:34,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-21 12:13:34,723 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:34,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:34,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:34,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:34,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:34,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:34,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 12:13:34,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:34,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:34,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:34,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:34,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:34,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:34,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:34,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:34,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:34,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:34,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:34,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:34,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:34,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:34,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:34,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:34,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:34,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:34,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:34,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:34,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:34,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:13:34,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:34,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:34,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:34,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:34,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:34,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:34,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:34,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:34,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:34,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:34,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:34,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:34,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:34,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:34,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:34,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:34,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:34,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:34,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:34,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:34,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:34,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:34,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:34,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:34,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:34,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:34,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:34,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:13:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:34,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:34,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:34,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:34,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:34,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:13:34,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:34,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:34,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:34,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:34,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:34,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:13:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:34,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:34,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:34,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:34,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:34,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:13:34,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:34,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:34,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:34,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:34,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:34,935 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 12:13:34,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [115597218] [2020-09-21 12:13:34,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:34,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:13:34,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142294660] [2020-09-21 12:13:34,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:13:34,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:34,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:13:34,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:13:34,969 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 3 states. [2020-09-21 12:13:35,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:35,857 INFO L93 Difference]: Finished difference Result 208 states and 280 transitions. [2020-09-21 12:13:35,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:13:35,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 12:13:35,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:35,878 INFO L225 Difference]: With dead ends: 208 [2020-09-21 12:13:35,879 INFO L226 Difference]: Without dead ends: 114 [2020-09-21 12:13:35,884 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 12:13:35,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-09-21 12:13:35,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 85. [2020-09-21 12:13:35,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-09-21 12:13:35,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2020-09-21 12:13:35,981 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2020-09-21 12:13:35,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:35,982 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2020-09-21 12:13:35,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:13:35,982 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2020-09-21 12:13:35,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 12:13:35,986 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:35,986 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 12:13:35,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:13:35,987 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:35,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:35,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1046203216, now seen corresponding path program 1 times [2020-09-21 12:13:35,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:35,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [573428393] [2020-09-21 12:13:35,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:36,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:36,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:36,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:37,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:37,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:13:37,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:13:37,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1395 [2020-09-21 12:13:37,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:37,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:37,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:13:37,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:13:37,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:37,721 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:37,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:37,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:37,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:37,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:37,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:37,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 12:13:37,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:37,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:37,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:37,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:37,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:37,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:37,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:37,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:37,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:37,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:37,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:37,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:37,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:37,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:37,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:37,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:37,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:37,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:37,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:37,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:37,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:37,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:37,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:37,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:37,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:37,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:37,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:37,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:37,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:37,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:37,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:37,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:37,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:37,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:37,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:37,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:37,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:37,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:37,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:37,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:37,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:37,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:37,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:37,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:37,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:37,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:37,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:37,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:37,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:37,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:13:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:37,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:37,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:37,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:37,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:37,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:37,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:37,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:37,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:37,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:37,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:37,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:13:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:37,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:37,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:37,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:37,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:37,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:37,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:37,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:37,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:37,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:37,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:37,877 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 12:13:37,878 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [573428393] [2020-09-21 12:13:37,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:37,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:13:37,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874721060] [2020-09-21 12:13:37,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:13:37,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:37,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:13:37,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:13:37,882 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 4 states. [2020-09-21 12:13:38,380 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:13:38,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:38,845 INFO L93 Difference]: Finished difference Result 137 states and 167 transitions. [2020-09-21 12:13:38,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:13:38,846 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 12:13:38,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:38,849 INFO L225 Difference]: With dead ends: 137 [2020-09-21 12:13:38,849 INFO L226 Difference]: Without dead ends: 98 [2020-09-21 12:13:38,852 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 12:13:38,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-09-21 12:13:38,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2020-09-21 12:13:38,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-21 12:13:38,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2020-09-21 12:13:38,900 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2020-09-21 12:13:38,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:38,900 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2020-09-21 12:13:38,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:13:38,901 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2020-09-21 12:13:38,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:13:38,910 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:38,910 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:13:38,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:13:38,910 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:38,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:38,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1948536442, now seen corresponding path program 1 times [2020-09-21 12:13:38,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:38,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [508153161] [2020-09-21 12:13:38,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:38,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:39,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:39,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:39,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:13:39,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:13:39,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1030 [2020-09-21 12:13:39,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:39,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:13:39,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:39,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 12:13:39,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:40,345 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:40,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:40,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:40,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:40,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:40,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:40,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-09-21 12:13:40,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:40,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:40,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:40,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:13:40,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:40,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:40,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:40,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:40,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:40,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:40,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:40,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:40,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:40,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:40,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:40,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:40,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:40,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:40,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:40,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:40,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:40,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:40,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:40,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:40,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:40,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:40,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:40,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:40,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:40,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:40,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:40,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:40,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:13:40,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:40,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:40,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:40,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:40,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:40,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:40,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:40,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:40,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:40,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:40,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:40,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:40,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:40,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:40,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:40,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:40,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:13:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:40,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:40,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:40,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:40,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:40,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:40,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:40,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:40,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:40,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:40,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:13:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:40,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:40,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:40,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:40,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:40,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:40,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:40,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:40,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:40,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:40,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:40,615 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 12:13:40,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [508153161] [2020-09-21 12:13:40,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:40,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:13:40,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678914281] [2020-09-21 12:13:40,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:13:40,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:40,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:13:40,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:13:40,618 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 4 states. [2020-09-21 12:13:40,922 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:41,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:41,431 INFO L93 Difference]: Finished difference Result 150 states and 185 transitions. [2020-09-21 12:13:41,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:13:41,432 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 12:13:41,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:41,434 INFO L225 Difference]: With dead ends: 150 [2020-09-21 12:13:41,434 INFO L226 Difference]: Without dead ends: 98 [2020-09-21 12:13:41,437 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:13:41,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-09-21 12:13:41,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2020-09-21 12:13:41,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-21 12:13:41,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2020-09-21 12:13:41,475 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2020-09-21 12:13:41,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:41,475 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2020-09-21 12:13:41,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:13:41,476 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2020-09-21 12:13:41,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-21 12:13:41,478 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:41,478 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:13:41,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:13:41,478 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:41,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:41,479 INFO L82 PathProgramCache]: Analyzing trace with hash -952018290, now seen corresponding path program 1 times [2020-09-21 12:13:41,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:41,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [700495467] [2020-09-21 12:13:41,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:41,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:42,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:42,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-21 12:13:42,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:42,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1022 [2020-09-21 12:13:42,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:42,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 12:13:42,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:42,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 12:13:42,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:42,882 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:42,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:42,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:43,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:43,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:43,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:43,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-21 12:13:43,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:13:43,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:43,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:43,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:43,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:43,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:43,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:43,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:43,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:43,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:43,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:43,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:43,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:43,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:43,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:43,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:43,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:43,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:43,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:43,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:43,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:43,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:43,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:43,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:43,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:43,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:43,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:43,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:43,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:43,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:13:43,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:43,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:43,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:43,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:43,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:43,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:43,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:43,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:43,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:43,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:43,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:43,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:43,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:43,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:43,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:43,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:43,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:13:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:43,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:43,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:43,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:43,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:43,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:43,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:43,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:43,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:43,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:43,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:43,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 12:13:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:43,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:43,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:43,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:43,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:43,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:13:43,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:43,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:13:43,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:43,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:43,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:43,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:13:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:43,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:43,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:43,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:43,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:43,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:43,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:43,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:43,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:43,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:43,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:43,157 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 12:13:43,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [700495467] [2020-09-21 12:13:43,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:43,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 12:13:43,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312806959] [2020-09-21 12:13:43,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:13:43,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:43,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:13:43,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:13:43,162 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 7 states. [2020-09-21 12:13:43,579 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:44,532 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:44,865 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:45,200 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:45,498 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:45,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:45,874 INFO L93 Difference]: Finished difference Result 189 states and 236 transitions. [2020-09-21 12:13:45,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:13:45,874 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-09-21 12:13:45,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:45,878 INFO L225 Difference]: With dead ends: 189 [2020-09-21 12:13:45,878 INFO L226 Difference]: Without dead ends: 137 [2020-09-21 12:13:45,879 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:13:45,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-09-21 12:13:45,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 124. [2020-09-21 12:13:45,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-09-21 12:13:45,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2020-09-21 12:13:45,916 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 55 [2020-09-21 12:13:45,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:45,916 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2020-09-21 12:13:45,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:13:45,916 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2020-09-21 12:13:45,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 12:13:45,918 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:45,918 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:13:45,918 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:13:45,918 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:45,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:45,919 INFO L82 PathProgramCache]: Analyzing trace with hash -939297624, now seen corresponding path program 1 times [2020-09-21 12:13:45,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:45,919 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1300194326] [2020-09-21 12:13:45,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:46,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:46,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:46,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:46,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 12:13:46,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:13:46,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 713 [2020-09-21 12:13:46,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:46,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:46,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:46,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 12:13:46,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:46,996 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:46,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:47,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:47,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:47,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:47,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:47,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-21 12:13:47,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:47,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:47,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:47,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:13:47,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:47,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:47,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:47,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:47,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:47,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:47,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:47,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:47,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:47,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:47,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:47,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:47,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:47,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:47,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:47,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:47,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:47,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:47,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:47,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:47,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:47,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:47,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:47,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:47,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:47,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:47,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:47,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:47,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:13:47,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:47,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:47,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:47,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:47,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:47,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:47,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:47,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:47,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:47,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:47,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:47,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:47,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:47,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:47,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:47,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:47,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 12:13:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:47,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:47,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:47,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:47,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:47,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:13:47,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:47,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:47,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:47,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:47,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:47,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 12:13:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:47,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:47,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:47,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:47,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:47,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:47,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:47,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:47,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-21 12:13:47,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:47,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:47,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 12:13:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:47,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:47,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:47,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:47,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:47,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:47,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:47,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:47,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:47,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:47,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:47,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 12:13:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:47,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:47,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:47,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:47,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:47,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:47,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:47,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:47,242 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 12:13:47,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1300194326] [2020-09-21 12:13:47,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:47,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:13:47,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90313298] [2020-09-21 12:13:47,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:13:47,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:47,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:13:47,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:13:47,247 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 5 states. [2020-09-21 12:13:47,588 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:48,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:48,112 INFO L93 Difference]: Finished difference Result 187 states and 226 transitions. [2020-09-21 12:13:48,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:13:48,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-09-21 12:13:48,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:48,115 INFO L225 Difference]: With dead ends: 187 [2020-09-21 12:13:48,115 INFO L226 Difference]: Without dead ends: 124 [2020-09-21 12:13:48,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:13:48,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-09-21 12:13:48,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 111. [2020-09-21 12:13:48,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-09-21 12:13:48,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 124 transitions. [2020-09-21 12:13:48,146 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 124 transitions. Word has length 59 [2020-09-21 12:13:48,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:48,147 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 124 transitions. [2020-09-21 12:13:48,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:13:48,147 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 124 transitions. [2020-09-21 12:13:48,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 12:13:48,148 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:48,148 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:13:48,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:13:48,149 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:48,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:48,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1253672684, now seen corresponding path program 1 times [2020-09-21 12:13:48,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:48,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1298979500] [2020-09-21 12:13:48,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:48,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:49,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:49,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 12:13:49,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:49,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1012 [2020-09-21 12:13:49,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:49,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 12:13:49,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:49,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 12:13:49,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:49,501 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:49,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:49,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:49,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:49,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:49,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:49,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-21 12:13:49,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:49,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:49,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:49,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:13:49,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:49,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:49,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:49,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:49,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:49,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:49,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:49,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:49,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:49,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:49,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:49,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:49,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:49,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:49,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:49,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:49,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:49,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:49,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:49,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:49,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:49,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:49,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:49,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:49,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:49,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:49,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:49,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:49,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:13:49,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:49,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:49,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:49,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:49,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:49,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:49,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:49,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:49,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:49,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:49,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:49,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:49,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:49,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:49,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:49,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:49,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 12:13:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:49,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:49,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:49,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:49,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:49,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:13:49,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:49,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:13:49,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:13:49,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:13:49,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:49,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 12:13:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:49,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:49,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:49,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:49,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:49,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:49,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:49,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:49,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:49,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:49,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:49,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 12:13:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:49,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:49,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:49,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:49,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:49,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:13:49,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:49,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:13:49,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:49,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:49,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:49,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 12:13:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:49,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:49,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:49,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:49,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:49,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:49,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:49,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:49,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:49,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:49,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:49,757 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 12:13:49,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1298979500] [2020-09-21 12:13:49,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:49,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 12:13:49,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471135457] [2020-09-21 12:13:49,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 12:13:49,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:49,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 12:13:49,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:13:49,759 INFO L87 Difference]: Start difference. First operand 111 states and 124 transitions. Second operand 10 states. [2020-09-21 12:13:50,229 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:50,969 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:51,618 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:51,965 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:52,310 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:52,629 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:52,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:52,875 INFO L93 Difference]: Finished difference Result 165 states and 195 transitions. [2020-09-21 12:13:52,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 12:13:52,876 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2020-09-21 12:13:52,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:52,877 INFO L225 Difference]: With dead ends: 165 [2020-09-21 12:13:52,877 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:13:52,880 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2020-09-21 12:13:52,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:13:52,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:13:52,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:13:52,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:13:52,881 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-09-21 12:13:52,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:52,881 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:13:52,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 12:13:52,881 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:13:52,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:13:52,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:13:52,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:13:53,345 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 159 [2020-09-21 12:13:53,512 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:53,681 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:53,843 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:54,002 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:54,174 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:13:54,331 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:54,491 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:54,749 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 12:13:55,029 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 12:13:55,284 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 12:13:55,446 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:55,690 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 12:13:55,937 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 12:13:56,188 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 12:13:56,342 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:13:56,495 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:56,649 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:57,013 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 159 [2020-09-21 12:13:57,155 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:57,308 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:57,461 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:57,626 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:57,780 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:13:57,935 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:58,088 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:13:58,244 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:58,401 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:58,558 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:13:58,713 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:58,867 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:59,024 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:59,177 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:13:59,329 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:59,482 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:59,841 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 159 [2020-09-21 12:14:00,002 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:00,159 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:00,312 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:00,467 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:00,623 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:00,780 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:01,139 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 159 [2020-09-21 12:14:01,501 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 159 [2020-09-21 12:14:01,669 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 22 [2020-09-21 12:14:01,893 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 12:14:02,114 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 12:14:02,353 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 12:14:02,569 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-09-21 12:14:02,785 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 12:14:03,404 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 12:14:03,620 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 12:14:04,223 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 12:14:04,845 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 19 [2020-09-21 12:14:05,002 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 22 [2020-09-21 12:14:05,265 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:05,485 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 12:14:05,723 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 12:14:06,395 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 12:14:06,619 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-09-21 12:14:07,240 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-09-21 12:14:07,457 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-09-21 12:14:07,627 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 22 [2020-09-21 12:14:08,258 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 12:14:08,480 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 12:14:08,698 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-09-21 12:14:08,848 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 22 [2020-09-21 12:14:09,035 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 22 [2020-09-21 12:14:09,040 INFO L268 CegarLoopResult]: For program point L152(lines 152 156) no Hoare annotation was computed. [2020-09-21 12:14:09,040 INFO L268 CegarLoopResult]: For program point L152-1(lines 152 156) no Hoare annotation was computed. [2020-09-21 12:14:09,040 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-09-21 12:14:09,040 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 121 176) no Hoare annotation was computed. [2020-09-21 12:14:09,040 INFO L268 CegarLoopResult]: For program point L146-2(lines 146 167) no Hoare annotation was computed. [2020-09-21 12:14:09,040 INFO L268 CegarLoopResult]: For program point L168(lines 145 169) no Hoare annotation was computed. [2020-09-21 12:14:09,040 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 121 176) no Hoare annotation was computed. [2020-09-21 12:14:09,040 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 121 176) no Hoare annotation was computed. [2020-09-21 12:14:09,040 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-09-21 12:14:09,041 INFO L268 CegarLoopResult]: For program point L222-1(line 222) no Hoare annotation was computed. [2020-09-21 12:14:09,041 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 177 236) no Hoare annotation was computed. [2020-09-21 12:14:09,041 INFO L268 CegarLoopResult]: For program point L209(lines 209 213) no Hoare annotation was computed. [2020-09-21 12:14:09,041 INFO L268 CegarLoopResult]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2020-09-21 12:14:09,041 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 177 236) no Hoare annotation was computed. [2020-09-21 12:14:09,041 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-09-21 12:14:09,041 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 177 236) no Hoare annotation was computed. [2020-09-21 12:14:09,041 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 228) no Hoare annotation was computed. [2020-09-21 12:14:09,042 INFO L268 CegarLoopResult]: For program point L229(lines 202 230) no Hoare annotation was computed. [2020-09-21 12:14:09,042 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 852 858) the Hoare annotation is: true [2020-09-21 12:14:09,042 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 852 858) no Hoare annotation was computed. [2020-09-21 12:14:09,043 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 859 867) no Hoare annotation was computed. [2020-09-21 12:14:09,043 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 859 867) the Hoare annotation is: true [2020-09-21 12:14:09,043 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 859 867) no Hoare annotation was computed. [2020-09-21 12:14:09,043 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-09-21 12:14:09,043 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1))) [2020-09-21 12:14:09,044 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-09-21 12:14:09,044 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1))) [2020-09-21 12:14:09,044 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-09-21 12:14:09,044 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-09-21 12:14:09,044 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-09-21 12:14:09,044 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-09-21 12:14:09,044 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-09-21 12:14:09,045 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-09-21 12:14:09,045 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 524 546) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:14:09,045 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 524 546) no Hoare annotation was computed. [2020-09-21 12:14:09,045 INFO L264 CegarLoopResult]: At program point L536(line 536) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:14:09,045 INFO L264 CegarLoopResult]: At program point L536-1(line 536) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:14:09,045 INFO L268 CegarLoopResult]: For program point L534(lines 534 541) no Hoare annotation was computed. [2020-09-21 12:14:09,046 INFO L268 CegarLoopResult]: For program point L534-1(lines 534 541) no Hoare annotation was computed. [2020-09-21 12:14:09,046 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-21 12:14:09,046 INFO L264 CegarLoopResult]: At program point L531(line 531) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:14:09,046 INFO L264 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:14:09,046 INFO L264 CegarLoopResult]: At program point L530-1(line 530) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:14:09,046 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 524 546) no Hoare annotation was computed. [2020-09-21 12:14:09,046 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 479 502) no Hoare annotation was computed. [2020-09-21 12:14:09,047 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 479 502) no Hoare annotation was computed. [2020-09-21 12:14:09,047 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 479 502) no Hoare annotation was computed. [2020-09-21 12:14:09,047 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-09-21 12:14:09,047 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 12:14:09,047 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-09-21 12:14:09,047 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-09-21 12:14:09,047 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-21 12:14:09,047 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-09-21 12:14:09,047 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-09-21 12:14:09,048 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-21 12:14:09,048 INFO L268 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-09-21 12:14:09,048 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-09-21 12:14:09,048 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-21 12:14:09,048 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-09-21 12:14:09,048 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-09-21 12:14:09,048 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-21 12:14:09,048 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 588 595) no Hoare annotation was computed. [2020-09-21 12:14:09,048 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 588 595) no Hoare annotation was computed. [2020-09-21 12:14:09,049 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 588 595) no Hoare annotation was computed. [2020-09-21 12:14:09,049 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2020-09-21 12:14:09,049 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2020-09-21 12:14:09,049 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2020-09-21 12:14:09,049 INFO L268 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-09-21 12:14:09,049 INFO L268 CegarLoopResult]: For program point L672-1(line 672) no Hoare annotation was computed. [2020-09-21 12:14:09,049 INFO L268 CegarLoopResult]: For program point L661(lines 661 669) no Hoare annotation was computed. [2020-09-21 12:14:09,049 INFO L268 CegarLoopResult]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2020-09-21 12:14:09,049 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 642 677) no Hoare annotation was computed. [2020-09-21 12:14:09,050 INFO L268 CegarLoopResult]: For program point L649(lines 649 657) no Hoare annotation was computed. [2020-09-21 12:14:09,050 INFO L268 CegarLoopResult]: For program point L649-2(lines 649 657) no Hoare annotation was computed. [2020-09-21 12:14:09,050 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 642 677) no Hoare annotation was computed. [2020-09-21 12:14:09,050 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 642 677) no Hoare annotation was computed. [2020-09-21 12:14:09,050 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 845 851) no Hoare annotation was computed. [2020-09-21 12:14:09,050 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 845 851) the Hoare annotation is: true [2020-09-21 12:14:09,050 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 75 120) no Hoare annotation was computed. [2020-09-21 12:14:09,050 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 75 120) no Hoare annotation was computed. [2020-09-21 12:14:09,051 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 75 120) no Hoare annotation was computed. [2020-09-21 12:14:09,051 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 388 433) no Hoare annotation was computed. [2020-09-21 12:14:09,051 INFO L268 CegarLoopResult]: For program point L408(lines 408 415) no Hoare annotation was computed. [2020-09-21 12:14:09,051 INFO L268 CegarLoopResult]: For program point L402(lines 402 422) no Hoare annotation was computed. [2020-09-21 12:14:09,051 INFO L268 CegarLoopResult]: For program point L402-1(lines 402 422) no Hoare annotation was computed. [2020-09-21 12:14:09,051 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 388 433) no Hoare annotation was computed. [2020-09-21 12:14:09,051 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 388 433) no Hoare annotation was computed. [2020-09-21 12:14:09,052 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 511 520) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:14:09,052 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 511 520) no Hoare annotation was computed. [2020-09-21 12:14:09,052 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 511 520) no Hoare annotation was computed. [2020-09-21 12:14:09,052 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 622 632) no Hoare annotation was computed. [2020-09-21 12:14:09,052 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2020-09-21 12:14:09,052 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2020-09-21 12:14:09,052 INFO L268 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-09-21 12:14:09,052 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-09-21 12:14:09,053 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 614 621) no Hoare annotation was computed. [2020-09-21 12:14:09,053 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2020-09-21 12:14:09,053 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2020-09-21 12:14:09,053 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 581 587) no Hoare annotation was computed. [2020-09-21 12:14:09,053 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 581 587) the Hoare annotation is: true [2020-09-21 12:14:09,053 INFO L264 CegarLoopResult]: At program point testENTRY(lines 687 752) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:14:09,053 INFO L268 CegarLoopResult]: For program point L735(lines 735 739) no Hoare annotation was computed. [2020-09-21 12:14:09,053 INFO L264 CegarLoopResult]: At program point L735-2(lines 727 740) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 12:14:09,055 INFO L268 CegarLoopResult]: For program point L698(lines 697 744) no Hoare annotation was computed. [2020-09-21 12:14:09,055 INFO L264 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 12:14:09,055 INFO L268 CegarLoopResult]: For program point L727(lines 727 740) no Hoare annotation was computed. [2020-09-21 12:14:09,055 INFO L268 CegarLoopResult]: For program point testFINAL(lines 687 752) no Hoare annotation was computed. [2020-09-21 12:14:09,055 INFO L264 CegarLoopResult]: At program point L719(line 719) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 12:14:09,055 INFO L268 CegarLoopResult]: For program point L717(lines 717 723) no Hoare annotation was computed. [2020-09-21 12:14:09,056 INFO L268 CegarLoopResult]: For program point L717-1(lines 717 723) no Hoare annotation was computed. [2020-09-21 12:14:09,056 INFO L264 CegarLoopResult]: At program point L742(lines 697 744) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 12:14:09,056 INFO L264 CegarLoopResult]: At program point L709(line 709) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 12:14:09,056 INFO L268 CegarLoopResult]: For program point L707(lines 707 713) no Hoare annotation was computed. [2020-09-21 12:14:09,056 INFO L268 CegarLoopResult]: For program point L707-1(lines 707 713) no Hoare annotation was computed. [2020-09-21 12:14:09,056 INFO L268 CegarLoopResult]: For program point L699(lines 699 703) no Hoare annotation was computed. [2020-09-21 12:14:09,056 INFO L264 CegarLoopResult]: At program point L745(lines 696 746) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:14:09,057 INFO L268 CegarLoopResult]: For program point testEXIT(lines 687 752) no Hoare annotation was computed. [2020-09-21 12:14:09,057 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 342 387) no Hoare annotation was computed. [2020-09-21 12:14:09,057 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 342 387) no Hoare annotation was computed. [2020-09-21 12:14:09,057 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 342 387) no Hoare annotation was computed. [2020-09-21 12:14:09,057 INFO L268 CegarLoopResult]: For program point L362(lines 362 369) no Hoare annotation was computed. [2020-09-21 12:14:09,057 INFO L268 CegarLoopResult]: For program point L356(lines 356 376) no Hoare annotation was computed. [2020-09-21 12:14:09,057 INFO L268 CegarLoopResult]: For program point L356-1(lines 356 376) no Hoare annotation was computed. [2020-09-21 12:14:09,057 INFO L268 CegarLoopResult]: For program point L809(lines 809 817) no Hoare annotation was computed. [2020-09-21 12:14:09,058 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 801 823) no Hoare annotation was computed. [2020-09-21 12:14:09,058 INFO L268 CegarLoopResult]: For program point L809-2(lines 809 817) no Hoare annotation was computed. [2020-09-21 12:14:09,058 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 801 823) no Hoare annotation was computed. [2020-09-21 12:14:09,058 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 801 823) no Hoare annotation was computed. [2020-09-21 12:14:09,058 INFO L268 CegarLoopResult]: For program point L289(lines 288 308) no Hoare annotation was computed. [2020-09-21 12:14:09,058 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-09-21 12:14:09,058 INFO L268 CegarLoopResult]: For program point L320-1(line 320) no Hoare annotation was computed. [2020-09-21 12:14:09,058 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 239 341) no Hoare annotation was computed. [2020-09-21 12:14:09,059 INFO L268 CegarLoopResult]: For program point L285(lines 285 326) no Hoare annotation was computed. [2020-09-21 12:14:09,059 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-09-21 12:14:09,059 INFO L268 CegarLoopResult]: For program point L304-1(line 304) no Hoare annotation was computed. [2020-09-21 12:14:09,059 INFO L268 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-09-21 12:14:09,059 INFO L268 CegarLoopResult]: For program point L327(lines 327 338) no Hoare annotation was computed. [2020-09-21 12:14:09,059 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 239 341) no Hoare annotation was computed. [2020-09-21 12:14:09,059 INFO L268 CegarLoopResult]: For program point L290(lines 290 294) no Hoare annotation was computed. [2020-09-21 12:14:09,059 INFO L268 CegarLoopResult]: For program point L288-2(lines 288 308) no Hoare annotation was computed. [2020-09-21 12:14:09,059 INFO L268 CegarLoopResult]: For program point L309(lines 287 310) no Hoare annotation was computed. [2020-09-21 12:14:09,059 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 239 341) no Hoare annotation was computed. [2020-09-21 12:14:09,060 INFO L268 CegarLoopResult]: For program point L268(lines 268 284) no Hoare annotation was computed. [2020-09-21 12:14:09,060 INFO L268 CegarLoopResult]: For program point L328(lines 328 335) no Hoare annotation was computed. [2020-09-21 12:14:09,060 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 835 844) no Hoare annotation was computed. [2020-09-21 12:14:09,060 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 835 844) no Hoare annotation was computed. [2020-09-21 12:14:09,060 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 835 844) no Hoare annotation was computed. [2020-09-21 12:14:09,060 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:14:09,061 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:14:09,061 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:14:09,061 INFO L268 CegarLoopResult]: For program point L608(line 608) no Hoare annotation was computed. [2020-09-21 12:14:09,061 INFO L268 CegarLoopResult]: For program point L608-1(lines 597 613) no Hoare annotation was computed. [2020-09-21 12:14:09,061 INFO L268 CegarLoopResult]: For program point L604(lines 604 610) no Hoare annotation was computed. [2020-09-21 12:14:09,061 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 597 613) no Hoare annotation was computed. [2020-09-21 12:14:09,061 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-09-21 12:14:09,061 INFO L268 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-09-21 12:14:09,061 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 597 613) no Hoare annotation was computed. [2020-09-21 12:14:09,061 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 824 832) the Hoare annotation is: true [2020-09-21 12:14:09,061 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 824 832) no Hoare annotation was computed. [2020-09-21 12:14:09,061 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 824 832) no Hoare annotation was computed. [2020-09-21 12:14:09,061 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:14:09,062 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:14:09,062 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:14:09,062 INFO L268 CegarLoopResult]: For program point L784-1(lines 780 791) no Hoare annotation was computed. [2020-09-21 12:14:09,062 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 780 791) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 12:14:09,062 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 780 791) no Hoare annotation was computed. [2020-09-21 12:14:09,062 INFO L264 CegarLoopResult]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-09-21 12:14:09,062 INFO L264 CegarLoopResult]: At program point L568(lines 568 574) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-09-21 12:14:09,062 INFO L264 CegarLoopResult]: At program point L563(line 563) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-09-21 12:14:09,062 INFO L268 CegarLoopResult]: For program point L561(lines 560 579) no Hoare annotation was computed. [2020-09-21 12:14:09,062 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 557 580) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-09-21 12:14:09,063 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 557 580) no Hoare annotation was computed. [2020-09-21 12:14:09,063 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 557 580) no Hoare annotation was computed. [2020-09-21 12:14:09,063 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2020-09-21 12:14:09,063 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2020-09-21 12:14:09,063 INFO L271 CegarLoopResult]: At program point L471(lines 446 475) the Hoare annotation is: true [2020-09-21 12:14:09,063 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-09-21 12:14:09,063 INFO L268 CegarLoopResult]: For program point L460(lines 460 464) no Hoare annotation was computed. [2020-09-21 12:14:09,063 INFO L271 CegarLoopResult]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2020-09-21 12:14:09,063 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 12:14:09,063 INFO L271 CegarLoopResult]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2020-09-21 12:14:09,063 INFO L271 CegarLoopResult]: At program point L452(line 452) the Hoare annotation is: true [2020-09-21 12:14:09,063 INFO L268 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-09-21 12:14:09,064 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 792 800) no Hoare annotation was computed. [2020-09-21 12:14:09,064 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 792 800) no Hoare annotation was computed. [2020-09-21 12:14:09,064 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 792 800) no Hoare annotation was computed. [2020-09-21 12:14:09,064 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 756 767) the Hoare annotation is: true [2020-09-21 12:14:09,064 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 756 767) no Hoare annotation was computed. [2020-09-21 12:14:09,064 INFO L268 CegarLoopResult]: For program point L760-1(lines 756 767) no Hoare annotation was computed. [2020-09-21 12:14:09,064 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2020-09-21 12:14:09,064 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2020-09-21 12:14:09,065 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:14:09,065 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 12:14:09,065 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:14:09,065 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:14:09,065 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 678 685) no Hoare annotation was computed. [2020-09-21 12:14:09,065 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 678 685) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= 1 ~systemActive~0))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-09-21 12:14:09,065 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 678 685) no Hoare annotation was computed. [2020-09-21 12:14:09,065 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 768 779) no Hoare annotation was computed. [2020-09-21 12:14:09,066 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 768 779) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-09-21 12:14:09,066 INFO L268 CegarLoopResult]: For program point L772-1(lines 768 779) no Hoare annotation was computed. [2020-09-21 12:14:09,066 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 435 442) no Hoare annotation was computed. [2020-09-21 12:14:09,066 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2020-09-21 12:14:09,067 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 435 442) the Hoare annotation is: true [2020-09-21 12:14:09,067 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 435 442) no Hoare annotation was computed. [2020-09-21 12:14:09,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:14:09 BoogieIcfgContainer [2020-09-21 12:14:09,085 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:14:09,087 INFO L168 Benchmark]: Toolchain (without parser) took 38209.13 ms. Allocated memory was 138.4 MB in the beginning and 623.4 MB in the end (delta: 485.0 MB). Free memory was 100.5 MB in the beginning and 398.1 MB in the end (delta: -297.6 MB). Peak memory consumption was 478.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:09,088 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:14:09,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.19 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 99.9 MB in the beginning and 170.6 MB in the end (delta: -70.7 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:09,089 INFO L168 Benchmark]: Boogie Preprocessor took 96.47 ms. Allocated memory is still 200.3 MB. Free memory was 170.6 MB in the beginning and 167.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:09,090 INFO L168 Benchmark]: RCFGBuilder took 1173.44 ms. Allocated memory was 200.3 MB in the beginning and 231.2 MB in the end (delta: 30.9 MB). Free memory was 166.4 MB in the beginning and 200.6 MB in the end (delta: -34.2 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:09,091 INFO L168 Benchmark]: TraceAbstraction took 36263.25 ms. Allocated memory was 231.2 MB in the beginning and 623.4 MB in the end (delta: 392.2 MB). Free memory was 200.6 MB in the beginning and 398.1 MB in the end (delta: -197.5 MB). Peak memory consumption was 485.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:09,094 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 665.19 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 99.9 MB in the beginning and 170.6 MB in the end (delta: -70.7 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.47 ms. Allocated memory is still 200.3 MB. Free memory was 170.6 MB in the beginning and 167.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1173.44 ms. Allocated memory was 200.3 MB in the beginning and 231.2 MB in the end (delta: 30.9 MB). Free memory was 166.4 MB in the beginning and 200.6 MB in the end (delta: -34.2 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 36263.25 ms. Allocated memory was 231.2 MB in the beginning and 623.4 MB in the end (delta: 392.2 MB). Free memory was 200.6 MB in the beginning and 398.1 MB in the end (delta: -197.5 MB). Peak memory consumption was 485.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(pumpRunning == 0) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || ((splverifierCounter <= 0 && 1 == systemActive) && \old(waterLevel) + 1 <= waterLevel)) || !(\old(waterLevel) == 1)) || !(pumpRunning == 0)) || ((\old(waterLevel) == waterLevel && splverifierCounter <= 0) && 1 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 205 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 436 SDtfs, 541 SDslu, 298 SDs, 0 SdLazy, 1220 SolverSat, 344 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 99 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 174 PreInvPairs, 197 NumberOfFragments, 862 HoareAnnotationTreeSize, 174 FomulaSimplifications, 31783 FormulaSimplificationTreeSizeReduction, 8.6s HoareSimplificationTime, 42 FomulaSimplificationsInter, 8097 FormulaSimplificationTreeSizeReductionInter, 7.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 318 NumberOfCodeBlocks, 318 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 312 ConstructedInterpolants, 0 QuantifiedInterpolants, 87204 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...