/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --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_spec3_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 20:23:53,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 20:23:53,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 20:23:53,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 20:23:53,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 20:23:53,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 20:23:53,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 20:23:53,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 20:23:53,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 20:23:53,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 20:23:53,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 20:23:53,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 20:23:53,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 20:23:53,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 20:23:53,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 20:23:53,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 20:23:53,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 20:23:53,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 20:23:53,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 20:23:53,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 20:23:53,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 20:23:53,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 20:23:53,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 20:23:53,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 20:23:53,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 20:23:53,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 20:23:53,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 20:23:53,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 20:23:53,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 20:23:53,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 20:23:53,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 20:23:53,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 20:23:53,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 20:23:53,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 20:23:53,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 20:23:53,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 20:23:53,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 20:23:53,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 20:23:53,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 20:23:53,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 20:23:53,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 20:23:53,394 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 [2020-08-21 20:23:53,416 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 20:23:53,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 20:23:53,418 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 20:23:53,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 20:23:53,418 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 20:23:53,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 20:23:53,419 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 20:23:53,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 20:23:53,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 20:23:53,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 20:23:53,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 20:23:53,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 20:23:53,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 20:23:53,420 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 20:23:53,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 20:23:53,420 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 20:23:53,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 20:23:53,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 20:23:53,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 20:23:53,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 20:23:53,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 20:23:53,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 20:23:53,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 20:23:53,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 20:23:53,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 20:23:53,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 20:23:53,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 20:23:53,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 20:23:53,426 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 20:23:53,426 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 -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; [2020-08-21 20:23:53,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 20:23:53,842 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 20:23:53,848 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 20:23:53,851 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 20:23:53,854 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 20:23:53,855 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c [2020-08-21 20:23:53,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a4308afc/b9ff2f56390a4041bc31b9ac5277bf22/FLAG8080eca26 [2020-08-21 20:23:54,531 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 20:23:54,532 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c [2020-08-21 20:23:54,544 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a4308afc/b9ff2f56390a4041bc31b9ac5277bf22/FLAG8080eca26 [2020-08-21 20:23:54,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a4308afc/b9ff2f56390a4041bc31b9ac5277bf22 [2020-08-21 20:23:54,791 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 20:23:54,793 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 20:23:54,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 20:23:54,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 20:23:54,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 20:23:54,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:23:54" (1/1) ... [2020-08-21 20:23:54,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c46e88b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:23:54, skipping insertion in model container [2020-08-21 20:23:54,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:23:54" (1/1) ... [2020-08-21 20:23:54,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 20:23:54,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 20:23:55,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:23:55,279 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 20:23:55,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:23:55,397 INFO L208 MainTranslator]: Completed translation [2020-08-21 20:23:55,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:23:55 WrapperNode [2020-08-21 20:23:55,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 20:23:55,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 20:23:55,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 20:23:55,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 20:23:55,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:23:55" (1/1) ... [2020-08-21 20:23:55,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:23:55" (1/1) ... [2020-08-21 20:23:55,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:23:55" (1/1) ... [2020-08-21 20:23:55,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:23:55" (1/1) ... [2020-08-21 20:23:55,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:23:55" (1/1) ... [2020-08-21 20:23:55,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:23:55" (1/1) ... [2020-08-21 20:23:55,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:23:55" (1/1) ... [2020-08-21 20:23:55,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 20:23:55,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 20:23:55,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 20:23:55,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 20:23:55,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:23:55" (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 [2020-08-21 20:23:55,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 20:23:55,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 20:23:55,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 20:23:55,579 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 20:23:55,579 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 20:23:55,579 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 20:23:55,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 20:23:55,580 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 20:23:55,580 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 20:23:55,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-21 20:23:55,581 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 20:23:55,582 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 20:23:55,582 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 20:23:55,582 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 20:23:55,582 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 20:23:55,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 20:23:55,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 20:23:55,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 20:23:55,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 20:23:55,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 20:23:55,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 20:23:55,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 20:23:55,585 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 20:23:55,585 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 20:23:55,586 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 20:23:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 20:23:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 20:23:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 20:23:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 20:23:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 20:23:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 20:23:55,591 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-21 20:23:55,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-08-21 20:23:55,591 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 20:23:55,591 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 20:23:55,591 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 20:23:55,591 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 20:23:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 20:23:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 20:23:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 20:23:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 20:23:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 20:23:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 20:23:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 20:23:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 20:23:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 20:23:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-21 20:23:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 20:23:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 20:23:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 20:23:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 20:23:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 20:23:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 20:23:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 20:23:55,595 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 20:23:55,595 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 20:23:55,595 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 20:23:55,595 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 20:23:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 20:23:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 20:23:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 20:23:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 20:23:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 20:23:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 20:23:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 20:23:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 20:23:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 20:23:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 20:23:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 20:23:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 20:23:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 20:23:55,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 20:23:55,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 20:23:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 20:23:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 20:23:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 20:23:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 20:23:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 20:23:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 20:23:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-08-21 20:23:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 20:23:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 20:23:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-21 20:23:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 20:23:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 20:23:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 20:23:55,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 20:23:55,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 20:23:56,679 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 20:23:56,680 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 20:23:56,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:23:56 BoogieIcfgContainer [2020-08-21 20:23:56,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 20:23:56,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 20:23:56,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 20:23:56,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 20:23:56,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 08:23:54" (1/3) ... [2020-08-21 20:23:56,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ae7466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:23:56, skipping insertion in model container [2020-08-21 20:23:56,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:23:55" (2/3) ... [2020-08-21 20:23:56,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ae7466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:23:56, skipping insertion in model container [2020-08-21 20:23:56,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:23:56" (3/3) ... [2020-08-21 20:23:56,694 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33.cil.c [2020-08-21 20:23:56,704 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 20:23:56,712 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 20:23:56,727 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 20:23:56,752 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 20:23:56,753 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 20:23:56,753 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 20:23:56,753 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 20:23:56,754 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 20:23:56,754 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 20:23:56,754 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 20:23:56,754 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 20:23:56,785 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2020-08-21 20:23:56,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 20:23:56,801 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:23:56,803 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] [2020-08-21 20:23:56,803 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:23:56,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:23:56,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1697845513, now seen corresponding path program 1 times [2020-08-21 20:23:56,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:23:56,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1122450092] [2020-08-21 20:23:56,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:23:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:23:57,489 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:23:57,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:23:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:23:57,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:23:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:23:57,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:23:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:23:57,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:23:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:23:57,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:23:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:23:57,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 20:23:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:23:57,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 20:23:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:23:57,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 20:23:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:23:57,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:23:57,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1122450092] [2020-08-21 20:23:57,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:23:57,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 20:23:57,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837709694] [2020-08-21 20:23:57,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 20:23:57,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:23:57,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 20:23:57,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 20:23:57,667 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 3 states. [2020-08-21 20:23:58,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:23:58,674 INFO L93 Difference]: Finished difference Result 261 states and 345 transitions. [2020-08-21 20:23:58,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 20:23:58,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-08-21 20:23:58,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:23:58,690 INFO L225 Difference]: With dead ends: 261 [2020-08-21 20:23:58,690 INFO L226 Difference]: Without dead ends: 141 [2020-08-21 20:23:58,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 20:23:58,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-08-21 20:23:58,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 111. [2020-08-21 20:23:58,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-08-21 20:23:58,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 130 transitions. [2020-08-21 20:23:58,777 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 130 transitions. Word has length 52 [2020-08-21 20:23:58,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:23:58,777 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 130 transitions. [2020-08-21 20:23:58,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 20:23:58,778 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2020-08-21 20:23:58,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-08-21 20:23:58,781 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:23:58,781 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] [2020-08-21 20:23:58,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 20:23:58,782 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:23:58,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:23:58,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1118186443, now seen corresponding path program 1 times [2020-08-21 20:23:58,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:23:58,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [110063260] [2020-08-21 20:23:58,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:23:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:23:59,132 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:23:59,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:23:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:23:59,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:23:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:23:59,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:23:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:23:59,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:23:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:23:59,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:23:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:23:59,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 20:23:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:23:59,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 20:23:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:23:59,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-21 20:23:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:23:59,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:23:59,183 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [110063260] [2020-08-21 20:23:59,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:23:59,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 20:23:59,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636725004] [2020-08-21 20:23:59,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 20:23:59,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:23:59,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 20:23:59,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 20:23:59,186 INFO L87 Difference]: Start difference. First operand 111 states and 130 transitions. Second operand 4 states. [2020-08-21 20:23:59,590 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:24:00,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:24:00,284 INFO L93 Difference]: Finished difference Result 194 states and 236 transitions. [2020-08-21 20:24:00,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 20:24:00,285 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-08-21 20:24:00,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:24:00,289 INFO L225 Difference]: With dead ends: 194 [2020-08-21 20:24:00,289 INFO L226 Difference]: Without dead ends: 125 [2020-08-21 20:24:00,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 20:24:00,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-08-21 20:24:00,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 102. [2020-08-21 20:24:00,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-08-21 20:24:00,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2020-08-21 20:24:00,324 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 53 [2020-08-21 20:24:00,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:24:00,325 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2020-08-21 20:24:00,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 20:24:00,325 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2020-08-21 20:24:00,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-21 20:24:00,327 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:24:00,328 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] [2020-08-21 20:24:00,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 20:24:00,328 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:24:00,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:24:00,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1001368997, now seen corresponding path program 1 times [2020-08-21 20:24:00,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:24:00,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1872975886] [2020-08-21 20:24:00,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:24:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:00,659 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:24:00,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:24:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:00,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:24:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:00,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:24:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:00,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:24:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:00,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:24:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:00,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:24:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:00,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 20:24:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:00,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-21 20:24:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:00,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:24:00,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1872975886] [2020-08-21 20:24:00,749 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:24:00,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 20:24:00,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375904016] [2020-08-21 20:24:00,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 20:24:00,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:24:00,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 20:24:00,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 20:24:00,751 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 8 states. [2020-08-21 20:24:01,116 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 20:24:01,451 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:01,703 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:01,940 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:02,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:24:02,828 INFO L93 Difference]: Finished difference Result 203 states and 250 transitions. [2020-08-21 20:24:02,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 20:24:02,829 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-08-21 20:24:02,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:24:02,832 INFO L225 Difference]: With dead ends: 203 [2020-08-21 20:24:02,832 INFO L226 Difference]: Without dead ends: 125 [2020-08-21 20:24:02,834 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 20:24:02,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-08-21 20:24:02,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 102. [2020-08-21 20:24:02,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-08-21 20:24:02,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 117 transitions. [2020-08-21 20:24:02,865 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 117 transitions. Word has length 57 [2020-08-21 20:24:02,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:24:02,866 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 117 transitions. [2020-08-21 20:24:02,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 20:24:02,866 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 117 transitions. [2020-08-21 20:24:02,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-08-21 20:24:02,868 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:24:02,868 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:24:02,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 20:24:02,869 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:24:02,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:24:02,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1834066652, now seen corresponding path program 1 times [2020-08-21 20:24:02,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:24:02,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1637931658] [2020-08-21 20:24:02,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:24:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:03,168 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:24:03,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:24:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:03,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:24:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:03,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:24:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:03,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:24:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:03,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:24:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:03,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-21 20:24:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:03,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 20:24:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:03,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-21 20:24:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:03,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 20:24:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:03,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-21 20:24:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:03,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:24:03,317 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1637931658] [2020-08-21 20:24:03,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:24:03,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 20:24:03,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509061463] [2020-08-21 20:24:03,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 20:24:03,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:24:03,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 20:24:03,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-21 20:24:03,320 INFO L87 Difference]: Start difference. First operand 102 states and 117 transitions. Second operand 6 states. [2020-08-21 20:24:03,630 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 20:24:04,835 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:24:05,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:24:05,304 INFO L93 Difference]: Finished difference Result 298 states and 368 transitions. [2020-08-21 20:24:05,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 20:24:05,306 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-08-21 20:24:05,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:24:05,309 INFO L225 Difference]: With dead ends: 298 [2020-08-21 20:24:05,309 INFO L226 Difference]: Without dead ends: 220 [2020-08-21 20:24:05,311 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-08-21 20:24:05,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-08-21 20:24:05,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 179. [2020-08-21 20:24:05,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-08-21 20:24:05,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 206 transitions. [2020-08-21 20:24:05,359 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 206 transitions. Word has length 65 [2020-08-21 20:24:05,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:24:05,359 INFO L479 AbstractCegarLoop]: Abstraction has 179 states and 206 transitions. [2020-08-21 20:24:05,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 20:24:05,360 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 206 transitions. [2020-08-21 20:24:05,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-08-21 20:24:05,362 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:24:05,362 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:24:05,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 20:24:05,362 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:24:05,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:24:05,363 INFO L82 PathProgramCache]: Analyzing trace with hash 476831218, now seen corresponding path program 1 times [2020-08-21 20:24:05,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:24:05,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [301895238] [2020-08-21 20:24:05,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:24:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:05,723 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:24:05,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:24:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:05,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:24:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:05,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:24:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:05,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:24:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:05,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:24:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:05,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-21 20:24:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:05,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 20:24:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:05,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 20:24:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:05,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 20:24:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:05,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-21 20:24:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:05,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-08-21 20:24:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:05,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-21 20:24:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:05,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:24:05,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [301895238] [2020-08-21 20:24:05,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:24:05,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 20:24:05,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653566720] [2020-08-21 20:24:05,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 20:24:05,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:24:05,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 20:24:05,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 20:24:05,870 INFO L87 Difference]: Start difference. First operand 179 states and 206 transitions. Second operand 8 states. [2020-08-21 20:24:06,239 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 20:24:07,465 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:07,760 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:08,024 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:08,315 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 20:24:08,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:24:08,894 INFO L93 Difference]: Finished difference Result 486 states and 614 transitions. [2020-08-21 20:24:08,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 20:24:08,897 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-08-21 20:24:08,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:24:08,901 INFO L225 Difference]: With dead ends: 486 [2020-08-21 20:24:08,902 INFO L226 Difference]: Without dead ends: 331 [2020-08-21 20:24:08,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-08-21 20:24:08,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-08-21 20:24:08,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 291. [2020-08-21 20:24:08,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2020-08-21 20:24:08,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 341 transitions. [2020-08-21 20:24:08,972 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 341 transitions. Word has length 79 [2020-08-21 20:24:08,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:24:08,973 INFO L479 AbstractCegarLoop]: Abstraction has 291 states and 341 transitions. [2020-08-21 20:24:08,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 20:24:08,973 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 341 transitions. [2020-08-21 20:24:08,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-08-21 20:24:08,975 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:24:08,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:24:08,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 20:24:08,976 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:24:08,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:24:08,976 INFO L82 PathProgramCache]: Analyzing trace with hash 786989304, now seen corresponding path program 1 times [2020-08-21 20:24:08,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:24:08,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21644755] [2020-08-21 20:24:08,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:24:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:09,260 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:24:09,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:24:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:09,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:24:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:09,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:24:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:09,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:24:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:09,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:24:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:09,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-21 20:24:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:09,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 20:24:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:09,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 20:24:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:09,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 20:24:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:09,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 20:24:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:09,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-21 20:24:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:09,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-21 20:24:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:09,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-08-21 20:24:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:09,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:24:09,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [21644755] [2020-08-21 20:24:09,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:24:09,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 20:24:09,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84763113] [2020-08-21 20:24:09,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 20:24:09,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:24:09,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 20:24:09,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-08-21 20:24:09,399 INFO L87 Difference]: Start difference. First operand 291 states and 341 transitions. Second operand 9 states. [2020-08-21 20:24:09,737 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 20:24:10,283 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 20:24:11,626 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 20:24:12,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:24:12,856 INFO L93 Difference]: Finished difference Result 714 states and 925 transitions. [2020-08-21 20:24:12,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-21 20:24:12,857 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-08-21 20:24:12,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:24:12,863 INFO L225 Difference]: With dead ends: 714 [2020-08-21 20:24:12,863 INFO L226 Difference]: Without dead ends: 548 [2020-08-21 20:24:12,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2020-08-21 20:24:12,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-08-21 20:24:12,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 482. [2020-08-21 20:24:12,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2020-08-21 20:24:12,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 586 transitions. [2020-08-21 20:24:12,968 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 586 transitions. Word has length 83 [2020-08-21 20:24:12,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:24:12,969 INFO L479 AbstractCegarLoop]: Abstraction has 482 states and 586 transitions. [2020-08-21 20:24:12,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 20:24:12,969 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 586 transitions. [2020-08-21 20:24:12,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-08-21 20:24:12,970 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:24:12,971 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:24:12,971 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 20:24:12,971 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:24:12,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:24:12,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1116755065, now seen corresponding path program 1 times [2020-08-21 20:24:12,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:24:12,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1173939827] [2020-08-21 20:24:12,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:24:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:13,208 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:24:13,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:24:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:13,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:24:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:13,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:24:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:13,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:24:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:13,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:24:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:13,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-21 20:24:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:13,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 20:24:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:13,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 20:24:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:13,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 20:24:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:13,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 20:24:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:13,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-21 20:24:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:13,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-21 20:24:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:13,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-08-21 20:24:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:13,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:24:13,349 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1173939827] [2020-08-21 20:24:13,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:24:13,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 20:24:13,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218942339] [2020-08-21 20:24:13,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 20:24:13,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:24:13,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 20:24:13,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-08-21 20:24:13,353 INFO L87 Difference]: Start difference. First operand 482 states and 586 transitions. Second operand 8 states. [2020-08-21 20:24:14,234 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:14,475 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 20:24:14,722 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:15,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:24:15,508 INFO L93 Difference]: Finished difference Result 877 states and 1107 transitions. [2020-08-21 20:24:15,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 20:24:15,509 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2020-08-21 20:24:15,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:24:15,514 INFO L225 Difference]: With dead ends: 877 [2020-08-21 20:24:15,514 INFO L226 Difference]: Without dead ends: 524 [2020-08-21 20:24:15,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-08-21 20:24:15,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-08-21 20:24:15,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 482. [2020-08-21 20:24:15,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2020-08-21 20:24:15,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 585 transitions. [2020-08-21 20:24:15,644 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 585 transitions. Word has length 83 [2020-08-21 20:24:15,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:24:15,645 INFO L479 AbstractCegarLoop]: Abstraction has 482 states and 585 transitions. [2020-08-21 20:24:15,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 20:24:15,645 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 585 transitions. [2020-08-21 20:24:15,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-08-21 20:24:15,647 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:24:15,647 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:24:15,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 20:24:15,647 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:24:15,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:24:15,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1044368507, now seen corresponding path program 1 times [2020-08-21 20:24:15,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:24:15,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [136569369] [2020-08-21 20:24:15,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:24:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:15,909 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:24:15,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:24:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:15,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:24:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:15,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:24:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:15,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:24:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:15,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:24:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:15,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-21 20:24:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:15,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 20:24:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:15,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 20:24:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:16,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 20:24:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:16,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 20:24:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:16,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-21 20:24:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:16,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-21 20:24:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:16,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-08-21 20:24:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:16,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:24:16,034 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [136569369] [2020-08-21 20:24:16,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:24:16,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-21 20:24:16,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103842689] [2020-08-21 20:24:16,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 20:24:16,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:24:16,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 20:24:16,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-21 20:24:16,036 INFO L87 Difference]: Start difference. First operand 482 states and 585 transitions. Second operand 12 states. [2020-08-21 20:24:16,726 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:24:16,962 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:24:17,199 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:24:17,868 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:24:18,107 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 20:24:18,364 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:18,592 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:19,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:24:19,457 INFO L93 Difference]: Finished difference Result 944 states and 1184 transitions. [2020-08-21 20:24:19,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-21 20:24:19,461 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 83 [2020-08-21 20:24:19,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:24:19,464 INFO L225 Difference]: With dead ends: 944 [2020-08-21 20:24:19,464 INFO L226 Difference]: Without dead ends: 486 [2020-08-21 20:24:19,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2020-08-21 20:24:19,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2020-08-21 20:24:19,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 455. [2020-08-21 20:24:19,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-08-21 20:24:19,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 550 transitions. [2020-08-21 20:24:19,559 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 550 transitions. Word has length 83 [2020-08-21 20:24:19,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:24:19,560 INFO L479 AbstractCegarLoop]: Abstraction has 455 states and 550 transitions. [2020-08-21 20:24:19,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 20:24:19,560 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 550 transitions. [2020-08-21 20:24:19,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-08-21 20:24:19,561 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:24:19,562 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:24:19,562 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 20:24:19,562 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:24:19,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:24:19,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1113116411, now seen corresponding path program 1 times [2020-08-21 20:24:19,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:24:19,563 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [761808965] [2020-08-21 20:24:19,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:24:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:19,843 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:24:19,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:24:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:19,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:24:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:19,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:24:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:19,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:24:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:19,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:24:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:19,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-21 20:24:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:19,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 20:24:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:19,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 20:24:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:19,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 20:24:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:19,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 20:24:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:19,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:24:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:19,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-21 20:24:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:19,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-08-21 20:24:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:19,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:24:19,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [761808965] [2020-08-21 20:24:19,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:24:19,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-21 20:24:19,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650889333] [2020-08-21 20:24:19,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-21 20:24:19,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:24:19,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-21 20:24:19,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-08-21 20:24:19,965 INFO L87 Difference]: Start difference. First operand 455 states and 550 transitions. Second operand 13 states. [2020-08-21 20:24:20,490 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:24:20,718 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:24:20,965 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:24:21,822 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 20:24:22,480 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:22,797 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 20:24:23,072 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 20:24:23,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:24:23,537 INFO L93 Difference]: Finished difference Result 780 states and 951 transitions. [2020-08-21 20:24:23,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-21 20:24:23,538 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 84 [2020-08-21 20:24:23,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:24:23,539 INFO L225 Difference]: With dead ends: 780 [2020-08-21 20:24:23,539 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 20:24:23,542 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2020-08-21 20:24:23,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 20:24:23,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 20:24:23,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 20:24:23,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 20:24:23,544 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2020-08-21 20:24:23,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:24:23,544 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 20:24:23,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-21 20:24:23,545 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 20:24:23,545 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 20:24:23,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 20:24:23,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 20:24:24,250 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 213 [2020-08-21 20:24:25,403 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-08-21 20:24:26,149 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-08-21 20:24:26,637 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 213 [2020-08-21 20:24:27,328 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2020-08-21 20:24:27,492 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-21 20:24:27,651 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 20:24:27,811 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 20:24:27,976 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-08-21 20:24:28,196 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2020-08-21 20:24:28,588 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-08-21 20:24:28,784 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:24:28,954 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 20:24:29,600 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 29 [2020-08-21 20:24:30,413 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 25 [2020-08-21 20:24:30,579 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-21 20:24:31,363 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-08-21 20:24:31,532 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 20:24:31,833 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 28 [2020-08-21 20:24:32,279 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-08-21 20:24:32,440 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 22 [2020-08-21 20:24:32,604 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 22 [2020-08-21 20:24:32,952 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-21 20:24:33,108 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 20:24:33,265 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-21 20:24:33,875 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 18 [2020-08-21 20:24:34,037 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 20:24:34,372 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 11 [2020-08-21 20:24:34,562 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-08-21 20:24:34,880 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 28 [2020-08-21 20:24:35,055 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 20:24:35,267 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 16 [2020-08-21 20:24:35,445 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-21 20:24:35,597 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 20:24:35,752 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 20:24:35,914 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 20:24:36,127 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 20:24:36,461 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 31 [2020-08-21 20:24:36,664 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2020-08-21 20:24:37,164 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-21 20:24:37,679 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 26 [2020-08-21 20:24:37,684 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-08-21 20:24:37,685 INFO L268 CegarLoopResult]: For program point L320-2(lines 320 341) no Hoare annotation was computed. [2020-08-21 20:24:37,685 INFO L268 CegarLoopResult]: For program point L342(lines 319 343) no Hoare annotation was computed. [2020-08-21 20:24:37,685 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 295 350) no Hoare annotation was computed. [2020-08-21 20:24:37,685 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 295 350) no Hoare annotation was computed. [2020-08-21 20:24:37,685 INFO L268 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2020-08-21 20:24:37,685 INFO L268 CegarLoopResult]: For program point L326-1(lines 326 330) no Hoare annotation was computed. [2020-08-21 20:24:37,686 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 295 350) no Hoare annotation was computed. [2020-08-21 20:24:37,686 INFO L268 CegarLoopResult]: For program point L383(lines 383 387) no Hoare annotation was computed. [2020-08-21 20:24:37,686 INFO L268 CegarLoopResult]: For program point L383-1(lines 383 387) no Hoare annotation was computed. [2020-08-21 20:24:37,686 INFO L268 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-08-21 20:24:37,686 INFO L268 CegarLoopResult]: For program point L377-2(lines 377 402) no Hoare annotation was computed. [2020-08-21 20:24:37,686 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 351 410) no Hoare annotation was computed. [2020-08-21 20:24:37,686 INFO L268 CegarLoopResult]: For program point L403(lines 376 404) no Hoare annotation was computed. [2020-08-21 20:24:37,686 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 351 410) no Hoare annotation was computed. [2020-08-21 20:24:37,686 INFO L268 CegarLoopResult]: For program point L396(line 396) no Hoare annotation was computed. [2020-08-21 20:24:37,686 INFO L268 CegarLoopResult]: For program point L396-1(line 396) no Hoare annotation was computed. [2020-08-21 20:24:37,687 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 351 410) no Hoare annotation was computed. [2020-08-21 20:24:37,687 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 891 897) the Hoare annotation is: true [2020-08-21 20:24:37,687 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 891 897) no Hoare annotation was computed. [2020-08-21 20:24:37,687 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 898 906) no Hoare annotation was computed. [2020-08-21 20:24:37,687 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 898 906) the Hoare annotation is: true [2020-08-21 20:24:37,687 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 898 906) no Hoare annotation was computed. [2020-08-21 20:24:37,687 INFO L264 CegarLoopResult]: At program point L225(line 225) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 20:24:37,687 INFO L264 CegarLoopResult]: At program point L225-1(line 225) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 20:24:37,688 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 219 241) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 20:24:37,688 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 219 241) no Hoare annotation was computed. [2020-08-21 20:24:37,688 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 219 241) no Hoare annotation was computed. [2020-08-21 20:24:37,688 INFO L264 CegarLoopResult]: At program point L231(line 231) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:24:37,688 INFO L264 CegarLoopResult]: At program point L231-1(line 231) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:24:37,688 INFO L268 CegarLoopResult]: For program point L229(lines 229 236) no Hoare annotation was computed. [2020-08-21 20:24:37,689 INFO L268 CegarLoopResult]: For program point L229-1(lines 229 236) no Hoare annotation was computed. [2020-08-21 20:24:37,689 INFO L268 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2020-08-21 20:24:37,689 INFO L264 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 20:24:37,689 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-08-21 20:24:37,689 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 174 197) no Hoare annotation was computed. [2020-08-21 20:24:37,689 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-08-21 20:24:37,690 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-21 20:24:37,690 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-08-21 20:24:37,690 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 174 197) no Hoare annotation was computed. [2020-08-21 20:24:37,690 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-08-21 20:24:37,690 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 174 197) no Hoare annotation was computed. [2020-08-21 20:24:37,690 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-21 20:24:37,690 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-08-21 20:24:37,690 INFO L268 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-08-21 20:24:37,691 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-21 20:24:37,691 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-08-21 20:24:37,691 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-08-21 20:24:37,691 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-21 20:24:37,691 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-08-21 20:24:37,691 INFO L268 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-08-21 20:24:37,691 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 774 782) no Hoare annotation was computed. [2020-08-21 20:24:37,691 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 774 782) the Hoare annotation is: true [2020-08-21 20:24:37,692 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 774 782) no Hoare annotation was computed. [2020-08-21 20:24:37,692 INFO L268 CegarLoopResult]: For program point L802-2(lines 802 810) no Hoare annotation was computed. [2020-08-21 20:24:37,692 INFO L268 CegarLoopResult]: For program point L790(lines 790 798) no Hoare annotation was computed. [2020-08-21 20:24:37,692 INFO L268 CegarLoopResult]: For program point L790-2(lines 790 798) no Hoare annotation was computed. [2020-08-21 20:24:37,692 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 783 818) no Hoare annotation was computed. [2020-08-21 20:24:37,692 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-08-21 20:24:37,692 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-08-21 20:24:37,692 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 783 818) no Hoare annotation was computed. [2020-08-21 20:24:37,693 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 783 818) no Hoare annotation was computed. [2020-08-21 20:24:37,693 INFO L268 CegarLoopResult]: For program point L802(lines 802 810) no Hoare annotation was computed. [2020-08-21 20:24:37,693 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 884 890) no Hoare annotation was computed. [2020-08-21 20:24:37,693 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 884 890) the Hoare annotation is: true [2020-08-21 20:24:37,693 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 249 294) no Hoare annotation was computed. [2020-08-21 20:24:37,693 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 249 294) no Hoare annotation was computed. [2020-08-21 20:24:37,693 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 249 294) no Hoare annotation was computed. [2020-08-21 20:24:37,694 INFO L268 CegarLoopResult]: For program point L576(lines 576 596) no Hoare annotation was computed. [2020-08-21 20:24:37,694 INFO L268 CegarLoopResult]: For program point L576-1(lines 576 596) no Hoare annotation was computed. [2020-08-21 20:24:37,694 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 562 607) no Hoare annotation was computed. [2020-08-21 20:24:37,694 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 562 607) no Hoare annotation was computed. [2020-08-21 20:24:37,694 INFO L268 CegarLoopResult]: For program point L582(lines 582 589) no Hoare annotation was computed. [2020-08-21 20:24:37,694 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 562 607) no Hoare annotation was computed. [2020-08-21 20:24:37,694 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 206 215) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 20:24:37,694 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 206 215) no Hoare annotation was computed. [2020-08-21 20:24:37,695 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 206 215) no Hoare annotation was computed. [2020-08-21 20:24:37,695 INFO L268 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-08-21 20:24:37,695 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 763 773) no Hoare annotation was computed. [2020-08-21 20:24:37,695 INFO L268 CegarLoopResult]: For program point L768-1(line 768) no Hoare annotation was computed. [2020-08-21 20:24:37,695 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 763 773) no Hoare annotation was computed. [2020-08-21 20:24:37,695 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 763 773) no Hoare annotation was computed. [2020-08-21 20:24:37,695 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 755 762) no Hoare annotation was computed. [2020-08-21 20:24:37,695 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 755 762) no Hoare annotation was computed. [2020-08-21 20:24:37,696 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 755 762) no Hoare annotation was computed. [2020-08-21 20:24:37,696 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-08-21 20:24:37,696 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-08-21 20:24:37,696 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-08-21 20:24:37,696 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-08-21 20:24:37,696 INFO L264 CegarLoopResult]: At program point L736(line 736) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2020-08-21 20:24:37,697 INFO L264 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (and (not (= 0 processEnvironment_~tmp~5)) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-21 20:24:37,697 INFO L268 CegarLoopResult]: For program point L730(lines 730 738) no Hoare annotation was computed. [2020-08-21 20:24:37,697 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1))) [2020-08-21 20:24:37,697 INFO L268 CegarLoopResult]: For program point L728-1(line 728) no Hoare annotation was computed. [2020-08-21 20:24:37,697 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 722 746) no Hoare annotation was computed. [2020-08-21 20:24:37,697 INFO L268 CegarLoopResult]: For program point L726(lines 726 743) no Hoare annotation was computed. [2020-08-21 20:24:37,698 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 722 746) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-08-21 20:24:37,698 INFO L264 CegarLoopResult]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 20:24:37,698 INFO L268 CegarLoopResult]: For program point L741-1(lines 722 746) no Hoare annotation was computed. [2020-08-21 20:24:37,698 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 714 720) no Hoare annotation was computed. [2020-08-21 20:24:37,698 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 714 720) the Hoare annotation is: true [2020-08-21 20:24:37,698 INFO L264 CegarLoopResult]: At program point L640(line 640) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0) (not (= 1 ~systemActive~0)) (and (= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-21 20:24:37,699 INFO L264 CegarLoopResult]: At program point testENTRY(lines 618 681) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 20:24:37,699 INFO L264 CegarLoopResult]: At program point L671(lines 628 673) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0) (not (= 1 ~systemActive~0)) (and (= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-21 20:24:37,699 INFO L268 CegarLoopResult]: For program point L638(lines 638 644) no Hoare annotation was computed. [2020-08-21 20:24:37,699 INFO L268 CegarLoopResult]: For program point L638-1(lines 638 644) no Hoare annotation was computed. [2020-08-21 20:24:37,699 INFO L268 CegarLoopResult]: For program point testFINAL(lines 618 681) no Hoare annotation was computed. [2020-08-21 20:24:37,699 INFO L268 CegarLoopResult]: For program point L630(lines 630 634) no Hoare annotation was computed. [2020-08-21 20:24:37,699 INFO L264 CegarLoopResult]: At program point L674(lines 627 675) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:24:37,699 INFO L268 CegarLoopResult]: For program point L664(lines 664 668) no Hoare annotation was computed. [2020-08-21 20:24:37,700 INFO L264 CegarLoopResult]: At program point L664-2(lines 658 669) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse2) (not .cse0) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 (<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)))) [2020-08-21 20:24:37,700 INFO L268 CegarLoopResult]: For program point L629(lines 628 673) no Hoare annotation was computed. [2020-08-21 20:24:37,700 INFO L268 CegarLoopResult]: For program point L658(lines 658 669) no Hoare annotation was computed. [2020-08-21 20:24:37,700 INFO L264 CegarLoopResult]: At program point L650(line 650) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse2) (not .cse0) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 (<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)))) [2020-08-21 20:24:37,700 INFO L268 CegarLoopResult]: For program point L648(lines 648 654) no Hoare annotation was computed. [2020-08-21 20:24:37,700 INFO L268 CegarLoopResult]: For program point L648-1(lines 648 654) no Hoare annotation was computed. [2020-08-21 20:24:37,700 INFO L268 CegarLoopResult]: For program point testEXIT(lines 618 681) no Hoare annotation was computed. [2020-08-21 20:24:37,701 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 516 561) no Hoare annotation was computed. [2020-08-21 20:24:37,701 INFO L268 CegarLoopResult]: For program point L536(lines 536 543) no Hoare annotation was computed. [2020-08-21 20:24:37,701 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 516 561) no Hoare annotation was computed. [2020-08-21 20:24:37,701 INFO L268 CegarLoopResult]: For program point L530(lines 530 550) no Hoare annotation was computed. [2020-08-21 20:24:37,701 INFO L268 CegarLoopResult]: For program point L530-1(lines 530 550) no Hoare annotation was computed. [2020-08-21 20:24:37,701 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 516 561) no Hoare annotation was computed. [2020-08-21 20:24:37,701 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-08-21 20:24:37,701 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-08-21 20:24:37,701 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-08-21 20:24:37,702 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-08-21 20:24:37,702 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-08-21 20:24:37,702 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 413 515) no Hoare annotation was computed. [2020-08-21 20:24:37,702 INFO L268 CegarLoopResult]: For program point L442(lines 442 458) no Hoare annotation was computed. [2020-08-21 20:24:37,702 INFO L268 CegarLoopResult]: For program point L502(lines 502 509) no Hoare annotation was computed. [2020-08-21 20:24:37,702 INFO L268 CegarLoopResult]: For program point L463(lines 462 482) no Hoare annotation was computed. [2020-08-21 20:24:37,702 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-21 20:24:37,702 INFO L268 CegarLoopResult]: For program point L494-1(line 494) no Hoare annotation was computed. [2020-08-21 20:24:37,702 INFO L268 CegarLoopResult]: For program point L459(lines 459 500) no Hoare annotation was computed. [2020-08-21 20:24:37,703 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 413 515) no Hoare annotation was computed. [2020-08-21 20:24:37,703 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-21 20:24:37,703 INFO L268 CegarLoopResult]: For program point L478-1(line 478) no Hoare annotation was computed. [2020-08-21 20:24:37,703 INFO L268 CegarLoopResult]: For program point L437(lines 437 441) no Hoare annotation was computed. [2020-08-21 20:24:37,703 INFO L268 CegarLoopResult]: For program point L501(lines 501 512) no Hoare annotation was computed. [2020-08-21 20:24:37,703 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 413 515) no Hoare annotation was computed. [2020-08-21 20:24:37,703 INFO L268 CegarLoopResult]: For program point L464(lines 464 468) no Hoare annotation was computed. [2020-08-21 20:24:37,703 INFO L268 CegarLoopResult]: For program point L462-2(lines 462 482) no Hoare annotation was computed. [2020-08-21 20:24:37,703 INFO L268 CegarLoopResult]: For program point L483(lines 461 484) no Hoare annotation was computed. [2020-08-21 20:24:37,704 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 874 883) no Hoare annotation was computed. [2020-08-21 20:24:37,704 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 874 883) no Hoare annotation was computed. [2020-08-21 20:24:37,704 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 874 883) no Hoare annotation was computed. [2020-08-21 20:24:37,704 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:24:37,704 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-21 20:24:37,704 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:24:37,705 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 747 754) no Hoare annotation was computed. [2020-08-21 20:24:37,705 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2020-08-21 20:24:37,705 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 747 754) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-21 20:24:37,705 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-08-21 20:24:37,705 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-08-21 20:24:37,705 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-08-21 20:24:37,705 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 819 837) no Hoare annotation was computed. [2020-08-21 20:24:37,705 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-08-21 20:24:37,706 INFO L271 CegarLoopResult]: At program point L826(line 826) the Hoare annotation is: true [2020-08-21 20:24:37,706 INFO L268 CegarLoopResult]: For program point L828-2(lines 828 832) no Hoare annotation was computed. [2020-08-21 20:24:37,706 INFO L268 CegarLoopResult]: For program point L826-1(line 826) no Hoare annotation was computed. [2020-08-21 20:24:37,706 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 819 837) the Hoare annotation is: true [2020-08-21 20:24:37,706 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 819 837) no Hoare annotation was computed. [2020-08-21 20:24:37,706 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-08-21 20:24:37,706 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 ~pumpRunning~0)) .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-21 20:24:37,706 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-08-21 20:24:37,706 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:24:37,707 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 20:24:37,707 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:24:37,707 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-08-21 20:24:37,707 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-08-21 20:24:37,707 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-08-21 20:24:37,707 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse3 .cse4 .cse1) (or (<= ~waterLevel~0 1) .cse3 (not (<= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2)))) [2020-08-21 20:24:37,707 INFO L264 CegarLoopResult]: At program point L701(lines 701 707) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (<= 1 ~pumpRunning~0) .cse0)) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse3) (or (<= ~waterLevel~0 1) .cse5 (not (<= |old(~waterLevel~0)| 1)) .cse3) (or (not (<= 2 |old(~waterLevel~0)|)) .cse2 .cse3 .cse4)))) [2020-08-21 20:24:37,708 INFO L264 CegarLoopResult]: At program point L696(line 696) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-21 20:24:37,708 INFO L268 CegarLoopResult]: For program point L694(lines 693 712) no Hoare annotation was computed. [2020-08-21 20:24:37,708 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 690 713) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-21 20:24:37,708 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 690 713) no Hoare annotation was computed. [2020-08-21 20:24:37,708 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 690 713) no Hoare annotation was computed. [2020-08-21 20:24:37,708 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2020-08-21 20:24:37,708 INFO L268 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2020-08-21 20:24:37,709 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2020-08-21 20:24:37,709 INFO L271 CegarLoopResult]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2020-08-21 20:24:37,709 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-21 20:24:37,709 INFO L271 CegarLoopResult]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2020-08-21 20:24:37,709 INFO L271 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: true [2020-08-21 20:24:37,709 INFO L268 CegarLoopResult]: For program point L149-1(line 149) no Hoare annotation was computed. [2020-08-21 20:24:37,709 INFO L271 CegarLoopResult]: At program point L168(lines 143 172) the Hoare annotation is: true [2020-08-21 20:24:37,709 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-08-21 20:24:37,710 INFO L264 CegarLoopResult]: At program point L862(line 862) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0) (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) .cse0))) [2020-08-21 20:24:37,710 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 839 871) no Hoare annotation was computed. [2020-08-21 20:24:37,710 INFO L268 CegarLoopResult]: For program point L858(lines 858 864) no Hoare annotation was computed. [2020-08-21 20:24:37,710 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 839 871) the Hoare annotation is: true [2020-08-21 20:24:37,710 INFO L264 CegarLoopResult]: At program point L856(line 856) the Hoare annotation is: (let ((.cse0 (not (= ~waterLevel~0 1))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2020-08-21 20:24:37,710 INFO L268 CegarLoopResult]: For program point L856-1(line 856) no Hoare annotation was computed. [2020-08-21 20:24:37,710 INFO L268 CegarLoopResult]: For program point L854(lines 854 867) no Hoare annotation was computed. [2020-08-21 20:24:37,710 INFO L268 CegarLoopResult]: For program point L854-1(lines 839 871) no Hoare annotation was computed. [2020-08-21 20:24:37,710 INFO L271 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: true [2020-08-21 20:24:37,711 INFO L268 CegarLoopResult]: For program point L852-1(line 852) no Hoare annotation was computed. [2020-08-21 20:24:37,711 INFO L268 CegarLoopResult]: For program point L848(lines 848 868) no Hoare annotation was computed. [2020-08-21 20:24:37,711 INFO L271 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: true [2020-08-21 20:24:37,711 INFO L268 CegarLoopResult]: For program point L846-1(line 846) no Hoare annotation was computed. [2020-08-21 20:24:37,711 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0))) [2020-08-21 20:24:37,711 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-08-21 20:24:37,711 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-08-21 20:24:37,711 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2020-08-21 20:24:37,712 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2020-08-21 20:24:37,712 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:24:37,712 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-21 20:24:37,712 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 20:24:37,712 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:24:37,712 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-08-21 20:24:37,712 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-08-21 20:24:37,713 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2020-08-21 20:24:37,713 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 609 616) no Hoare annotation was computed. [2020-08-21 20:24:37,713 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 613) no Hoare annotation was computed. [2020-08-21 20:24:37,713 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 609 616) the Hoare annotation is: true [2020-08-21 20:24:37,713 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 609 616) no Hoare annotation was computed. [2020-08-21 20:24:37,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 08:24:37 BoogieIcfgContainer [2020-08-21 20:24:37,732 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 20:24:37,734 INFO L168 Benchmark]: Toolchain (without parser) took 42941.83 ms. Allocated memory was 145.2 MB in the beginning and 622.9 MB in the end (delta: 477.6 MB). Free memory was 107.5 MB in the beginning and 91.8 MB in the end (delta: 15.7 MB). Peak memory consumption was 494.1 MB. Max. memory is 7.1 GB. [2020-08-21 20:24:37,735 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 145.2 MB. Free memory was 126.8 MB in the beginning and 126.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 20:24:37,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.95 ms. Allocated memory was 145.2 MB in the beginning and 205.5 MB in the end (delta: 60.3 MB). Free memory was 107.2 MB in the beginning and 171.7 MB in the end (delta: -64.4 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-08-21 20:24:37,736 INFO L168 Benchmark]: Boogie Preprocessor took 105.64 ms. Allocated memory is still 205.5 MB. Free memory was 171.7 MB in the beginning and 167.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-08-21 20:24:37,737 INFO L168 Benchmark]: RCFGBuilder took 1180.87 ms. Allocated memory was 205.5 MB in the beginning and 229.6 MB in the end (delta: 24.1 MB). Free memory was 166.6 MB in the beginning and 178.3 MB in the end (delta: -11.7 MB). Peak memory consumption was 69.9 MB. Max. memory is 7.1 GB. [2020-08-21 20:24:37,738 INFO L168 Benchmark]: TraceAbstraction took 41046.17 ms. Allocated memory was 229.6 MB in the beginning and 622.9 MB in the end (delta: 393.2 MB). Free memory was 178.3 MB in the beginning and 91.8 MB in the end (delta: 86.5 MB). Peak memory consumption was 480.5 MB. Max. memory is 7.1 GB. [2020-08-21 20:24:37,741 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 145.2 MB. Free memory was 126.8 MB in the beginning and 126.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 603.95 ms. Allocated memory was 145.2 MB in the beginning and 205.5 MB in the end (delta: 60.3 MB). Free memory was 107.2 MB in the beginning and 171.7 MB in the end (delta: -64.4 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.64 ms. Allocated memory is still 205.5 MB. Free memory was 171.7 MB in the beginning and 167.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1180.87 ms. Allocated memory was 205.5 MB in the beginning and 229.6 MB in the end (delta: 24.1 MB). Free memory was 166.6 MB in the beginning and 178.3 MB in the end (delta: -11.7 MB). Peak memory consumption was 69.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 41046.17 ms. Allocated memory was 229.6 MB in the beginning and 622.9 MB in the end (delta: 393.2 MB). Free memory was 178.3 MB in the beginning and 91.8 MB in the end (delta: 86.5 MB). Peak memory consumption was 480.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 613]: 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: 628]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == 1) || (1 <= pumpRunning && splverifierCounter == 0)) || !(1 == systemActive)) || ((waterLevel == 1 && pumpRunning == \old(pumpRunning)) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 218 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.7s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 21.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 965 SDtfs, 1616 SDslu, 1111 SDs, 0 SdLazy, 5109 SolverSat, 986 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 325 GetRequests, 218 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=482occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 296 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 865 PreInvPairs, 916 NumberOfFragments, 1205 HoareAnnotationTreeSize, 865 FomulaSimplifications, 1414736 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 51 FomulaSimplificationsInter, 27036 FormulaSimplificationTreeSizeReductionInter, 10.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 639 NumberOfCodeBlocks, 639 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 630 ConstructedInterpolants, 0 QuantifiedInterpolants, 191121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...