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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 14:25:53,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 14:25:53,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 14:25:53,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 14:25:53,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 14:25:53,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 14:25:53,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 14:25:53,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 14:25:53,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 14:25:53,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 14:25:53,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 14:25:53,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 14:25:53,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 14:25:53,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 14:25:53,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 14:25:53,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 14:25:53,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 14:25:53,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 14:25:53,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 14:25:53,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 14:25:53,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 14:25:53,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 14:25:53,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 14:25:53,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 14:25:53,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 14:25:53,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 14:25:53,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 14:25:53,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 14:25:53,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 14:25:53,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 14:25:53,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 14:25:53,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 14:25:53,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 14:25:53,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 14:25:53,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 14:25:53,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 14:25:53,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 14:25:53,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 14:25:53,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 14:25:53,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 14:25:53,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 14:25:53,621 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 14:25:53,657 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 14:25:53,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 14:25:53,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 14:25:53,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 14:25:53,663 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 14:25:53,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 14:25:53,663 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 14:25:53,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 14:25:53,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 14:25:53,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 14:25:53,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 14:25:53,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 14:25:53,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 14:25:53,668 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 14:25:53,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 14:25:53,668 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 14:25:53,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 14:25:53,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 14:25:53,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 14:25:53,670 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 14:25:53,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 14:25:53,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 14:25:53,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 14:25:53,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 14:25:53,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 14:25:53,671 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 14:25:53,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 14:25:53,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 14:25:53,671 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 14:25:53,720 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 14:25:53,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 14:25:53,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 14:25:53,747 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 14:25:53,748 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 14:25:53,750 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2019-10-02 14:25:53,831 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a19fefcb/da6d1e64acd940aea2015ea5e0c3c451/FLAG6297a893f [2019-10-02 14:25:54,378 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 14:25:54,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2019-10-02 14:25:54,393 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a19fefcb/da6d1e64acd940aea2015ea5e0c3c451/FLAG6297a893f [2019-10-02 14:25:54,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a19fefcb/da6d1e64acd940aea2015ea5e0c3c451 [2019-10-02 14:25:54,676 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 14:25:54,678 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 14:25:54,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 14:25:54,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 14:25:54,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 14:25:54,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 02:25:54" (1/1) ... [2019-10-02 14:25:54,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a48b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:25:54, skipping insertion in model container [2019-10-02 14:25:54,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 02:25:54" (1/1) ... [2019-10-02 14:25:54,695 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 14:25:54,761 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 14:25:55,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 14:25:55,268 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 14:25:55,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 14:25:55,427 INFO L192 MainTranslator]: Completed translation [2019-10-02 14:25:55,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:25:55 WrapperNode [2019-10-02 14:25:55,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 14:25:55,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 14:25:55,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 14:25:55,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 14:25:55,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:25:55" (1/1) ... [2019-10-02 14:25:55,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:25:55" (1/1) ... [2019-10-02 14:25:55,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:25:55" (1/1) ... [2019-10-02 14:25:55,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:25:55" (1/1) ... [2019-10-02 14:25:55,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:25:55" (1/1) ... [2019-10-02 14:25:55,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:25:55" (1/1) ... [2019-10-02 14:25:55,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:25:55" (1/1) ... [2019-10-02 14:25:55,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 14:25:55,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 14:25:55,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 14:25:55,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 14:25:55,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:25:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-10-02 14:25:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 14:25:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 14:25:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-02 14:25:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-02 14:25:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-02 14:25:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-02 14:25:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-02 14:25:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-02 14:25:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-02 14:25:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-02 14:25:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-02 14:25:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-02 14:25:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-02 14:25:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-02 14:25:55,639 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-02 14:25:55,639 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-02 14:25:55,642 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-02 14:25:55,642 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-02 14:25:55,643 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-02 14:25:55,643 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-02 14:25:55,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-02 14:25:55,643 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-02 14:25:55,644 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-02 14:25:55,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-02 14:25:55,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-02 14:25:55,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-02 14:25:55,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-02 14:25:55,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-02 14:25:55,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-02 14:25:55,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-02 14:25:55,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-02 14:25:55,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-02 14:25:55,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-02 14:25:55,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-02 14:25:55,646 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-02 14:25:55,646 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-02 14:25:55,647 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-02 14:25:55,647 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-02 14:25:55,647 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-02 14:25:55,647 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-02 14:25:55,647 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-02 14:25:55,648 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-02 14:25:55,648 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 14:25:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 14:25:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 14:25:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-02 14:25:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-02 14:25:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-02 14:25:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-02 14:25:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-02 14:25:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-02 14:25:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-02 14:25:55,650 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-02 14:25:55,650 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-02 14:25:55,650 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-02 14:25:55,650 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-02 14:25:55,650 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-02 14:25:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-02 14:25:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-02 14:25:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-02 14:25:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-02 14:25:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-02 14:25:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-02 14:25:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-02 14:25:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-02 14:25:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-02 14:25:55,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 14:25:55,653 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-02 14:25:55,654 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-02 14:25:55,654 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-02 14:25:55,654 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-02 14:25:55,654 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-02 14:25:55,654 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-02 14:25:55,655 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 14:25:55,655 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 14:25:55,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-02 14:25:55,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 14:25:55,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 14:25:55,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 14:25:55,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 14:25:55,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-02 14:25:55,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 14:25:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-02 14:25:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-02 14:25:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 14:25:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-02 14:25:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-02 14:25:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-02 14:25:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-02 14:25:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-02 14:25:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-02 14:25:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-02 14:25:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-02 14:25:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-02 14:25:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-02 14:25:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-02 14:25:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 14:25:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 14:25:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 14:25:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 14:25:57,161 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 14:25:57,161 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-02 14:25:57,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 02:25:57 BoogieIcfgContainer [2019-10-02 14:25:57,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 14:25:57,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 14:25:57,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 14:25:57,167 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 14:25:57,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 02:25:54" (1/3) ... [2019-10-02 14:25:57,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38e25ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 02:25:57, skipping insertion in model container [2019-10-02 14:25:57,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:25:55" (2/3) ... [2019-10-02 14:25:57,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38e25ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 02:25:57, skipping insertion in model container [2019-10-02 14:25:57,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 02:25:57" (3/3) ... [2019-10-02 14:25:57,171 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2019-10-02 14:25:57,180 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 14:25:57,189 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 14:25:57,206 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 14:25:57,233 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 14:25:57,233 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 14:25:57,234 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 14:25:57,234 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 14:25:57,234 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 14:25:57,234 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 14:25:57,234 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 14:25:57,234 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 14:25:57,234 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 14:25:57,258 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2019-10-02 14:25:57,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-02 14:25:57,269 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:25:57,270 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:25:57,273 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:25:57,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:25:57,279 INFO L82 PathProgramCache]: Analyzing trace with hash 2053229239, now seen corresponding path program 1 times [2019-10-02 14:25:57,281 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:25:57,282 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:25:57,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:25:57,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:25:57,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:25:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:25:57,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:25:57,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:25:57,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-02 14:25:57,693 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-02 14:25:57,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-02 14:25:57,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 14:25:57,710 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 2 states. [2019-10-02 14:25:57,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:25:57,753 INFO L93 Difference]: Finished difference Result 280 states and 345 transitions. [2019-10-02 14:25:57,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-02 14:25:57,755 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-02 14:25:57,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:25:57,769 INFO L225 Difference]: With dead ends: 280 [2019-10-02 14:25:57,769 INFO L226 Difference]: Without dead ends: 142 [2019-10-02 14:25:57,774 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 14:25:57,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-10-02 14:25:57,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2019-10-02 14:25:57,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-10-02 14:25:57,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 166 transitions. [2019-10-02 14:25:57,834 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 166 transitions. Word has length 59 [2019-10-02 14:25:57,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:25:57,834 INFO L475 AbstractCegarLoop]: Abstraction has 142 states and 166 transitions. [2019-10-02 14:25:57,834 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-02 14:25:57,835 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 166 transitions. [2019-10-02 14:25:57,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-02 14:25:57,839 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:25:57,839 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:25:57,839 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:25:57,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:25:57,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1701396789, now seen corresponding path program 1 times [2019-10-02 14:25:57,840 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:25:57,840 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:25:57,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:25:57,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:25:57,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:25:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:25:57,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:25:58,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:25:58,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 14:25:58,003 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 14:25:58,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 14:25:58,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:25:58,004 INFO L87 Difference]: Start difference. First operand 142 states and 166 transitions. Second operand 3 states. [2019-10-02 14:25:58,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:25:58,048 INFO L93 Difference]: Finished difference Result 225 states and 263 transitions. [2019-10-02 14:25:58,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 14:25:58,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-02 14:25:58,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:25:58,056 INFO L225 Difference]: With dead ends: 225 [2019-10-02 14:25:58,057 INFO L226 Difference]: Without dead ends: 133 [2019-10-02 14:25:58,060 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:25:58,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-10-02 14:25:58,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-10-02 14:25:58,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-10-02 14:25:58,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 154 transitions. [2019-10-02 14:25:58,087 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 154 transitions. Word has length 60 [2019-10-02 14:25:58,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:25:58,088 INFO L475 AbstractCegarLoop]: Abstraction has 133 states and 154 transitions. [2019-10-02 14:25:58,088 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 14:25:58,088 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 154 transitions. [2019-10-02 14:25:58,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-02 14:25:58,094 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:25:58,094 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:25:58,095 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:25:58,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:25:58,095 INFO L82 PathProgramCache]: Analyzing trace with hash -835538636, now seen corresponding path program 1 times [2019-10-02 14:25:58,095 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:25:58,096 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:25:58,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:25:58,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:25:58,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:25:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:25:58,319 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:25:58,319 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:25:58,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 14:25:58,320 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 14:25:58,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 14:25:58,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-02 14:25:58,321 INFO L87 Difference]: Start difference. First operand 133 states and 154 transitions. Second operand 7 states. [2019-10-02 14:25:58,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:25:58,623 INFO L93 Difference]: Finished difference Result 238 states and 281 transitions. [2019-10-02 14:25:58,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 14:25:58,624 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-10-02 14:25:58,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:25:58,627 INFO L225 Difference]: With dead ends: 238 [2019-10-02 14:25:58,627 INFO L226 Difference]: Without dead ends: 133 [2019-10-02 14:25:58,628 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-02 14:25:58,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-10-02 14:25:58,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-10-02 14:25:58,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-10-02 14:25:58,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 153 transitions. [2019-10-02 14:25:58,644 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 153 transitions. Word has length 65 [2019-10-02 14:25:58,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:25:58,646 INFO L475 AbstractCegarLoop]: Abstraction has 133 states and 153 transitions. [2019-10-02 14:25:58,646 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 14:25:58,646 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 153 transitions. [2019-10-02 14:25:58,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-02 14:25:58,651 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:25:58,651 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:25:58,651 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:25:58,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:25:58,652 INFO L82 PathProgramCache]: Analyzing trace with hash -192684169, now seen corresponding path program 1 times [2019-10-02 14:25:58,654 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:25:58,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:25:58,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:25:58,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:25:58,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:25:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:25:58,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:25:58,812 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:25:58,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 14:25:58,813 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 14:25:58,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 14:25:58,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 14:25:58,814 INFO L87 Difference]: Start difference. First operand 133 states and 153 transitions. Second operand 5 states. [2019-10-02 14:25:59,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:25:59,320 INFO L93 Difference]: Finished difference Result 344 states and 415 transitions. [2019-10-02 14:25:59,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 14:25:59,320 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2019-10-02 14:25:59,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:25:59,325 INFO L225 Difference]: With dead ends: 344 [2019-10-02 14:25:59,329 INFO L226 Difference]: Without dead ends: 239 [2019-10-02 14:25:59,334 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-02 14:25:59,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2019-10-02 14:25:59,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 220. [2019-10-02 14:25:59,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-10-02 14:25:59,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 252 transitions. [2019-10-02 14:25:59,376 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 252 transitions. Word has length 78 [2019-10-02 14:25:59,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:25:59,377 INFO L475 AbstractCegarLoop]: Abstraction has 220 states and 252 transitions. [2019-10-02 14:25:59,377 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 14:25:59,377 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 252 transitions. [2019-10-02 14:25:59,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-02 14:25:59,379 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:25:59,380 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:25:59,380 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:25:59,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:25:59,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1827957124, now seen corresponding path program 1 times [2019-10-02 14:25:59,381 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:25:59,381 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:25:59,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:25:59,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:25:59,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:25:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:25:59,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:25:59,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:25:59,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-02 14:25:59,487 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 14:25:59,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 14:25:59,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 14:25:59,488 INFO L87 Difference]: Start difference. First operand 220 states and 252 transitions. Second operand 8 states. [2019-10-02 14:25:59,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:25:59,559 INFO L93 Difference]: Finished difference Result 419 states and 493 transitions. [2019-10-02 14:25:59,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 14:25:59,560 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2019-10-02 14:25:59,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:25:59,564 INFO L225 Difference]: With dead ends: 419 [2019-10-02 14:25:59,564 INFO L226 Difference]: Without dead ends: 227 [2019-10-02 14:25:59,565 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 14:25:59,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-10-02 14:25:59,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 224. [2019-10-02 14:25:59,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-10-02 14:25:59,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 256 transitions. [2019-10-02 14:25:59,596 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 256 transitions. Word has length 92 [2019-10-02 14:25:59,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:25:59,598 INFO L475 AbstractCegarLoop]: Abstraction has 224 states and 256 transitions. [2019-10-02 14:25:59,598 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 14:25:59,598 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 256 transitions. [2019-10-02 14:25:59,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-02 14:25:59,604 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:25:59,605 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:25:59,605 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:25:59,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:25:59,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1850589378, now seen corresponding path program 1 times [2019-10-02 14:25:59,606 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:25:59,606 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:25:59,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:25:59,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:25:59,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:25:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:25:59,772 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-02 14:25:59,773 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:25:59,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 14:25:59,774 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 14:25:59,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 14:25:59,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 14:25:59,774 INFO L87 Difference]: Start difference. First operand 224 states and 256 transitions. Second operand 7 states. [2019-10-02 14:26:00,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:00,407 INFO L93 Difference]: Finished difference Result 438 states and 517 transitions. [2019-10-02 14:26:00,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-02 14:26:00,410 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2019-10-02 14:26:00,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:00,414 INFO L225 Difference]: With dead ends: 438 [2019-10-02 14:26:00,414 INFO L226 Difference]: Without dead ends: 242 [2019-10-02 14:26:00,415 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-02 14:26:00,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2019-10-02 14:26:00,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 223. [2019-10-02 14:26:00,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2019-10-02 14:26:00,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 253 transitions. [2019-10-02 14:26:00,437 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 253 transitions. Word has length 92 [2019-10-02 14:26:00,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:00,439 INFO L475 AbstractCegarLoop]: Abstraction has 223 states and 253 transitions. [2019-10-02 14:26:00,439 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 14:26:00,439 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 253 transitions. [2019-10-02 14:26:00,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-02 14:26:00,441 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:00,441 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:00,441 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:00,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:00,442 INFO L82 PathProgramCache]: Analyzing trace with hash -185232827, now seen corresponding path program 1 times [2019-10-02 14:26:00,442 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:00,442 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:00,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:00,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:00,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:00,532 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:26:00,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:26:00,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 14:26:00,534 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 14:26:00,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 14:26:00,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 14:26:00,535 INFO L87 Difference]: Start difference. First operand 223 states and 253 transitions. Second operand 6 states. [2019-10-02 14:26:00,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:00,573 INFO L93 Difference]: Finished difference Result 423 states and 488 transitions. [2019-10-02 14:26:00,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 14:26:00,573 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2019-10-02 14:26:00,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:00,576 INFO L225 Difference]: With dead ends: 423 [2019-10-02 14:26:00,577 INFO L226 Difference]: Without dead ends: 228 [2019-10-02 14:26:00,578 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-02 14:26:00,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-10-02 14:26:00,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2019-10-02 14:26:00,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2019-10-02 14:26:00,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 258 transitions. [2019-10-02 14:26:00,600 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 258 transitions. Word has length 93 [2019-10-02 14:26:00,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:00,601 INFO L475 AbstractCegarLoop]: Abstraction has 228 states and 258 transitions. [2019-10-02 14:26:00,601 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 14:26:00,601 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 258 transitions. [2019-10-02 14:26:00,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-02 14:26:00,603 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:00,604 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:00,604 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:00,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:00,604 INFO L82 PathProgramCache]: Analyzing trace with hash -2053119352, now seen corresponding path program 1 times [2019-10-02 14:26:00,604 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:00,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:00,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:00,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:00,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:00,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:26:00,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:26:00,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 14:26:00,696 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 14:26:00,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 14:26:00,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 14:26:00,701 INFO L87 Difference]: Start difference. First operand 228 states and 258 transitions. Second operand 4 states. [2019-10-02 14:26:00,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:00,984 INFO L93 Difference]: Finished difference Result 667 states and 791 transitions. [2019-10-02 14:26:00,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 14:26:00,985 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2019-10-02 14:26:00,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:00,993 INFO L225 Difference]: With dead ends: 667 [2019-10-02 14:26:00,994 INFO L226 Difference]: Without dead ends: 467 [2019-10-02 14:26:00,995 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 14:26:00,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2019-10-02 14:26:01,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 458. [2019-10-02 14:26:01,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2019-10-02 14:26:01,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 532 transitions. [2019-10-02 14:26:01,043 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 532 transitions. Word has length 93 [2019-10-02 14:26:01,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:01,045 INFO L475 AbstractCegarLoop]: Abstraction has 458 states and 532 transitions. [2019-10-02 14:26:01,045 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 14:26:01,045 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 532 transitions. [2019-10-02 14:26:01,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-02 14:26:01,047 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:01,048 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:01,048 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:01,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:01,048 INFO L82 PathProgramCache]: Analyzing trace with hash 868259694, now seen corresponding path program 1 times [2019-10-02 14:26:01,048 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:01,049 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:01,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:01,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:01,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:01,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:26:01,260 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:26:01,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-02 14:26:01,261 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 14:26:01,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 14:26:01,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-02 14:26:01,262 INFO L87 Difference]: Start difference. First operand 458 states and 532 transitions. Second operand 9 states. [2019-10-02 14:26:02,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:02,447 INFO L93 Difference]: Finished difference Result 1203 states and 1461 transitions. [2019-10-02 14:26:02,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-02 14:26:02,448 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2019-10-02 14:26:02,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:02,453 INFO L225 Difference]: With dead ends: 1203 [2019-10-02 14:26:02,453 INFO L226 Difference]: Without dead ends: 845 [2019-10-02 14:26:02,455 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-02 14:26:02,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2019-10-02 14:26:02,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 764. [2019-10-02 14:26:02,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states. [2019-10-02 14:26:02,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 877 transitions. [2019-10-02 14:26:02,504 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 877 transitions. Word has length 97 [2019-10-02 14:26:02,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:02,505 INFO L475 AbstractCegarLoop]: Abstraction has 764 states and 877 transitions. [2019-10-02 14:26:02,505 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 14:26:02,505 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 877 transitions. [2019-10-02 14:26:02,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-02 14:26:02,508 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:02,509 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:02,509 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:02,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:02,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1063606964, now seen corresponding path program 1 times [2019-10-02 14:26:02,510 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:02,510 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:02,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:02,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:02,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:02,675 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-02 14:26:02,676 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:26:02,676 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:26:02,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:02,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-02 14:26:02,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:26:03,088 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 14:26:03,095 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 14:26:03,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2019-10-02 14:26:03,096 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-02 14:26:03,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-02 14:26:03,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2019-10-02 14:26:03,097 INFO L87 Difference]: Start difference. First operand 764 states and 877 transitions. Second operand 16 states. [2019-10-02 14:26:04,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:04,432 INFO L93 Difference]: Finished difference Result 1740 states and 2073 transitions. [2019-10-02 14:26:04,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-10-02 14:26:04,432 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 159 [2019-10-02 14:26:04,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:04,440 INFO L225 Difference]: With dead ends: 1740 [2019-10-02 14:26:04,441 INFO L226 Difference]: Without dead ends: 1074 [2019-10-02 14:26:04,445 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2019-10-02 14:26:04,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2019-10-02 14:26:04,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 930. [2019-10-02 14:26:04,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 930 states. [2019-10-02 14:26:04,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1077 transitions. [2019-10-02 14:26:04,520 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1077 transitions. Word has length 159 [2019-10-02 14:26:04,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:04,523 INFO L475 AbstractCegarLoop]: Abstraction has 930 states and 1077 transitions. [2019-10-02 14:26:04,523 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-02 14:26:04,523 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1077 transitions. [2019-10-02 14:26:04,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-10-02 14:26:04,531 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:04,532 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:04,532 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:04,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:04,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1141492594, now seen corresponding path program 1 times [2019-10-02 14:26:04,533 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:04,533 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:04,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:04,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:04,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:04,700 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 71 proven. 2 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2019-10-02 14:26:04,700 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:26:04,700 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:26:04,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:05,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 1237 conjuncts, 22 conjunts are in the unsatisfiable core [2019-10-02 14:26:05,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:26:05,269 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 201 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 14:26:05,275 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 14:26:05,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 12] total 16 [2019-10-02 14:26:05,278 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-02 14:26:05,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-02 14:26:05,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2019-10-02 14:26:05,279 INFO L87 Difference]: Start difference. First operand 930 states and 1077 transitions. Second operand 16 states. [2019-10-02 14:26:07,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:07,747 INFO L93 Difference]: Finished difference Result 2370 states and 3162 transitions. [2019-10-02 14:26:07,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-02 14:26:07,749 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 277 [2019-10-02 14:26:07,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:07,760 INFO L225 Difference]: With dead ends: 2370 [2019-10-02 14:26:07,760 INFO L226 Difference]: Without dead ends: 1491 [2019-10-02 14:26:07,764 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=209, Invalid=913, Unknown=0, NotChecked=0, Total=1122 [2019-10-02 14:26:07,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2019-10-02 14:26:07,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1027. [2019-10-02 14:26:07,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1027 states. [2019-10-02 14:26:07,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1164 transitions. [2019-10-02 14:26:07,854 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1164 transitions. Word has length 277 [2019-10-02 14:26:07,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:07,855 INFO L475 AbstractCegarLoop]: Abstraction has 1027 states and 1164 transitions. [2019-10-02 14:26:07,856 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-02 14:26:07,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1164 transitions. [2019-10-02 14:26:07,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-10-02 14:26:07,862 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:07,862 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:07,862 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:07,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:07,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1594137664, now seen corresponding path program 1 times [2019-10-02 14:26:07,863 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:07,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:07,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:07,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:07,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:08,192 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 98 proven. 53 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2019-10-02 14:26:08,193 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:26:08,193 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:26:08,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:08,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 12 conjunts are in the unsatisfiable core [2019-10-02 14:26:08,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:26:08,744 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 240 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 14:26:08,750 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 14:26:08,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 20 [2019-10-02 14:26:08,751 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-10-02 14:26:08,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-10-02 14:26:08,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2019-10-02 14:26:08,752 INFO L87 Difference]: Start difference. First operand 1027 states and 1164 transitions. Second operand 20 states. [2019-10-02 14:26:10,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:10,462 INFO L93 Difference]: Finished difference Result 1935 states and 2208 transitions. [2019-10-02 14:26:10,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-02 14:26:10,462 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 293 [2019-10-02 14:26:10,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:10,475 INFO L225 Difference]: With dead ends: 1935 [2019-10-02 14:26:10,475 INFO L226 Difference]: Without dead ends: 1029 [2019-10-02 14:26:10,480 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=162, Invalid=830, Unknown=0, NotChecked=0, Total=992 [2019-10-02 14:26:10,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2019-10-02 14:26:10,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1027. [2019-10-02 14:26:10,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1027 states. [2019-10-02 14:26:10,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1160 transitions. [2019-10-02 14:26:10,573 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1160 transitions. Word has length 293 [2019-10-02 14:26:10,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:10,574 INFO L475 AbstractCegarLoop]: Abstraction has 1027 states and 1160 transitions. [2019-10-02 14:26:10,574 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-10-02 14:26:10,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1160 transitions. [2019-10-02 14:26:10,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2019-10-02 14:26:10,582 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:10,583 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:10,583 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:10,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:10,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1477436418, now seen corresponding path program 1 times [2019-10-02 14:26:10,584 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:10,584 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:10,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:10,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:10,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:10,842 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 94 proven. 46 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2019-10-02 14:26:10,843 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:26:10,843 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:26:10,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:11,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 28 conjunts are in the unsatisfiable core [2019-10-02 14:26:11,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:26:11,245 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 166 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-10-02 14:26:11,252 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 14:26:11,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 14 [2019-10-02 14:26:11,253 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-02 14:26:11,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-02 14:26:11,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2019-10-02 14:26:11,254 INFO L87 Difference]: Start difference. First operand 1027 states and 1160 transitions. Second operand 14 states. [2019-10-02 14:26:13,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:13,718 INFO L93 Difference]: Finished difference Result 2223 states and 2732 transitions. [2019-10-02 14:26:13,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-02 14:26:13,719 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 294 [2019-10-02 14:26:13,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:13,731 INFO L225 Difference]: With dead ends: 2223 [2019-10-02 14:26:13,731 INFO L226 Difference]: Without dead ends: 1647 [2019-10-02 14:26:13,734 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 313 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=249, Invalid=743, Unknown=0, NotChecked=0, Total=992 [2019-10-02 14:26:13,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2019-10-02 14:26:13,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1281. [2019-10-02 14:26:13,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1281 states. [2019-10-02 14:26:13,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1452 transitions. [2019-10-02 14:26:13,817 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1452 transitions. Word has length 294 [2019-10-02 14:26:13,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:13,818 INFO L475 AbstractCegarLoop]: Abstraction has 1281 states and 1452 transitions. [2019-10-02 14:26:13,818 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-02 14:26:13,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1452 transitions. [2019-10-02 14:26:13,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2019-10-02 14:26:13,826 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:13,826 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:13,827 INFO L418 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:13,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:13,827 INFO L82 PathProgramCache]: Analyzing trace with hash 488916222, now seen corresponding path program 1 times [2019-10-02 14:26:13,827 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:13,827 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:13,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:13,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:13,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:14,261 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 154 proven. 58 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2019-10-02 14:26:14,261 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:26:14,262 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:26:14,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:14,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 1448 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-02 14:26:14,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:26:14,655 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 14:26:14,750 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 359 proven. 16 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-10-02 14:26:14,755 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 14:26:14,755 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10] total 23 [2019-10-02 14:26:14,756 INFO L454 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-10-02 14:26:14,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-10-02 14:26:14,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=430, Unknown=0, NotChecked=0, Total=506 [2019-10-02 14:26:14,757 INFO L87 Difference]: Start difference. First operand 1281 states and 1452 transitions. Second operand 23 states. [2019-10-02 14:26:20,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:20,658 INFO L93 Difference]: Finished difference Result 3593 states and 4225 transitions. [2019-10-02 14:26:20,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2019-10-02 14:26:20,658 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 363 [2019-10-02 14:26:20,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:20,669 INFO L225 Difference]: With dead ends: 3593 [2019-10-02 14:26:20,670 INFO L226 Difference]: Without dead ends: 2327 [2019-10-02 14:26:20,675 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 378 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1320 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=631, Invalid=3925, Unknown=0, NotChecked=0, Total=4556 [2019-10-02 14:26:20,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2327 states. [2019-10-02 14:26:20,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2327 to 2009. [2019-10-02 14:26:20,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2009 states. [2019-10-02 14:26:20,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 2009 states and 2282 transitions. [2019-10-02 14:26:20,820 INFO L78 Accepts]: Start accepts. Automaton has 2009 states and 2282 transitions. Word has length 363 [2019-10-02 14:26:20,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:20,821 INFO L475 AbstractCegarLoop]: Abstraction has 2009 states and 2282 transitions. [2019-10-02 14:26:20,821 INFO L476 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-10-02 14:26:20,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2282 transitions. [2019-10-02 14:26:20,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2019-10-02 14:26:20,837 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:26:20,838 INFO L411 BasicCegarLoop]: trace histogram [11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:26:20,838 INFO L418 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:26:20,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:26:20,839 INFO L82 PathProgramCache]: Analyzing trace with hash -366939983, now seen corresponding path program 1 times [2019-10-02 14:26:20,839 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:26:20,839 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:26:20,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:20,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:20,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:26:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:21,078 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 146 proven. 28 refuted. 0 times theorem prover too weak. 686 trivial. 0 not checked. [2019-10-02 14:26:21,079 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:26:21,079 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:26:21,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:26:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:26:21,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 1626 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-02 14:26:21,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:26:21,544 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (7)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 14:26:21,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:26:21,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-10-02 14:26:21,551 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-02 14:26:21,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-02 14:26:21,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-10-02 14:26:21,551 INFO L87 Difference]: Start difference. First operand 2009 states and 2282 transitions. Second operand 13 states. [2019-10-02 14:26:21,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:26:21,628 INFO L93 Difference]: Finished difference Result 2275 states and 2577 transitions. [2019-10-02 14:26:21,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 14:26:21,631 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 436 [2019-10-02 14:26:21,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:26:21,633 INFO L225 Difference]: With dead ends: 2275 [2019-10-02 14:26:21,633 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 14:26:21,638 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-10-02 14:26:21,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 14:26:21,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 14:26:21,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 14:26:21,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 14:26:21,639 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 436 [2019-10-02 14:26:21,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:26:21,640 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 14:26:21,640 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-02 14:26:21,640 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 14:26:21,640 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 14:26:21,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 14:26:22,747 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 28 [2019-10-02 14:26:23,017 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2019-10-02 14:26:23,275 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 24 [2019-10-02 14:26:23,681 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 27 [2019-10-02 14:26:23,916 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 29 [2019-10-02 14:26:24,320 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 42 [2019-10-02 14:26:24,627 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 1 [2019-10-02 14:26:24,765 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2019-10-02 14:26:24,958 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 27 [2019-10-02 14:26:25,119 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2019-10-02 14:26:25,332 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 22 [2019-10-02 14:26:25,655 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 34 [2019-10-02 14:26:25,825 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 24 [2019-10-02 14:26:25,943 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2019-10-02 14:26:26,241 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 30 [2019-10-02 14:26:26,354 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 28 [2019-10-02 14:26:26,800 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2019-10-02 14:26:27,236 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2019-10-02 14:26:27,342 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 24 [2019-10-02 14:26:27,609 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 26 [2019-10-02 14:26:27,908 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 36 [2019-10-02 14:26:28,037 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 27 [2019-10-02 14:26:28,171 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2019-10-02 14:26:28,174 INFO L443 ceAbstractionStarter]: For program point L543(lines 520 544) no Hoare annotation was computed. [2019-10-02 14:26:28,175 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 496 551) no Hoare annotation was computed. [2019-10-02 14:26:28,175 INFO L443 ceAbstractionStarter]: For program point L527(lines 527 531) no Hoare annotation was computed. [2019-10-02 14:26:28,175 INFO L443 ceAbstractionStarter]: For program point L527-1(lines 527 531) no Hoare annotation was computed. [2019-10-02 14:26:28,175 INFO L443 ceAbstractionStarter]: For program point L522(line 522) no Hoare annotation was computed. [2019-10-02 14:26:28,175 INFO L443 ceAbstractionStarter]: For program point L521-2(lines 521 542) no Hoare annotation was computed. [2019-10-02 14:26:28,175 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 496 551) no Hoare annotation was computed. [2019-10-02 14:26:28,175 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 496 551) no Hoare annotation was computed. [2019-10-02 14:26:28,175 INFO L443 ceAbstractionStarter]: For program point L578-2(lines 578 603) no Hoare annotation was computed. [2019-10-02 14:26:28,175 INFO L443 ceAbstractionStarter]: For program point L604(lines 577 605) no Hoare annotation was computed. [2019-10-02 14:26:28,176 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 552 611) no Hoare annotation was computed. [2019-10-02 14:26:28,176 INFO L443 ceAbstractionStarter]: For program point L597(line 597) no Hoare annotation was computed. [2019-10-02 14:26:28,176 INFO L443 ceAbstractionStarter]: For program point L597-1(line 597) no Hoare annotation was computed. [2019-10-02 14:26:28,176 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 552 611) no Hoare annotation was computed. [2019-10-02 14:26:28,176 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 552 611) no Hoare annotation was computed. [2019-10-02 14:26:28,176 INFO L443 ceAbstractionStarter]: For program point L584(lines 584 588) no Hoare annotation was computed. [2019-10-02 14:26:28,176 INFO L443 ceAbstractionStarter]: For program point L584-1(lines 584 588) no Hoare annotation was computed. [2019-10-02 14:26:28,176 INFO L443 ceAbstractionStarter]: For program point L579(line 579) no Hoare annotation was computed. [2019-10-02 14:26:28,176 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 880 886) the Hoare annotation is: true [2019-10-02 14:26:28,177 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 880 886) no Hoare annotation was computed. [2019-10-02 14:26:28,177 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 887 895) no Hoare annotation was computed. [2019-10-02 14:26:28,177 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 887 895) the Hoare annotation is: true [2019-10-02 14:26:28,177 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 887 895) no Hoare annotation was computed. [2019-10-02 14:26:28,177 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 811 818) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2019-10-02 14:26:28,177 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 811 818) no Hoare annotation was computed. [2019-10-02 14:26:28,177 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 811 818) no Hoare annotation was computed. [2019-10-02 14:26:28,178 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 819 828) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or .cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2))) [2019-10-02 14:26:28,178 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 819 828) no Hoare annotation was computed. [2019-10-02 14:26:28,178 INFO L443 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2019-10-02 14:26:28,178 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 819 828) no Hoare annotation was computed. [2019-10-02 14:26:28,178 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 829 857) the Hoare annotation is: true [2019-10-02 14:26:28,178 INFO L439 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2019-10-02 14:26:28,178 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 829 857) no Hoare annotation was computed. [2019-10-02 14:26:28,178 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 848) no Hoare annotation was computed. [2019-10-02 14:26:28,178 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 851) no Hoare annotation was computed. [2019-10-02 14:26:28,178 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse5 (not (= ~waterLevel~0 2))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= __utac_acc__Specification5_spec__3_~tmp~8 ~waterLevel~0)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 1 ~pumpRunning~0)) .cse2 .cse5) (or .cse0 .cse2 .cse3 .cse5) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse2 .cse1 .cse4))) [2019-10-02 14:26:28,179 INFO L443 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2019-10-02 14:26:28,179 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2019-10-02 14:26:28,179 INFO L443 ceAbstractionStarter]: For program point L837-1(lines 829 857) no Hoare annotation was computed. [2019-10-02 14:26:28,179 INFO L446 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2019-10-02 14:26:28,179 INFO L443 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2019-10-02 14:26:28,179 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 970 992) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:26:28,179 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 970 992) no Hoare annotation was computed. [2019-10-02 14:26:28,179 INFO L439 ceAbstractionStarter]: At program point L982(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= main_~tmp~9 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:26:28,179 INFO L439 ceAbstractionStarter]: At program point L982-1(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= main_~tmp~9 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:26:28,179 INFO L443 ceAbstractionStarter]: For program point L980(lines 980 987) no Hoare annotation was computed. [2019-10-02 14:26:28,179 INFO L443 ceAbstractionStarter]: For program point L980-1(lines 980 987) no Hoare annotation was computed. [2019-10-02 14:26:28,180 INFO L443 ceAbstractionStarter]: For program point L978(line 978) no Hoare annotation was computed. [2019-10-02 14:26:28,180 INFO L439 ceAbstractionStarter]: At program point L977(line 977) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:26:28,180 INFO L439 ceAbstractionStarter]: At program point L976(line 976) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:26:28,180 INFO L439 ceAbstractionStarter]: At program point L976-1(line 976) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:26:28,180 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 970 992) no Hoare annotation was computed. [2019-10-02 14:26:28,180 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 928 951) no Hoare annotation was computed. [2019-10-02 14:26:28,180 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 928 951) no Hoare annotation was computed. [2019-10-02 14:26:28,180 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 928 951) no Hoare annotation was computed. [2019-10-02 14:26:28,180 INFO L443 ceAbstractionStarter]: For program point L946(line 946) no Hoare annotation was computed. [2019-10-02 14:26:28,180 INFO L443 ceAbstractionStarter]: For program point L945(line 945) no Hoare annotation was computed. [2019-10-02 14:26:28,180 INFO L443 ceAbstractionStarter]: For program point L944(line 944) no Hoare annotation was computed. [2019-10-02 14:26:28,181 INFO L443 ceAbstractionStarter]: For program point L943(line 943) no Hoare annotation was computed. [2019-10-02 14:26:28,181 INFO L443 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed. [2019-10-02 14:26:28,181 INFO L443 ceAbstractionStarter]: For program point L941(line 941) no Hoare annotation was computed. [2019-10-02 14:26:28,181 INFO L443 ceAbstractionStarter]: For program point L940(line 940) no Hoare annotation was computed. [2019-10-02 14:26:28,181 INFO L443 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2019-10-02 14:26:28,181 INFO L443 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed. [2019-10-02 14:26:28,181 INFO L443 ceAbstractionStarter]: For program point L937(line 937) no Hoare annotation was computed. [2019-10-02 14:26:28,181 INFO L443 ceAbstractionStarter]: For program point L936(line 936) no Hoare annotation was computed. [2019-10-02 14:26:28,181 INFO L443 ceAbstractionStarter]: For program point L935(line 935) no Hoare annotation was computed. [2019-10-02 14:26:28,181 INFO L443 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2019-10-02 14:26:28,181 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2019-10-02 14:26:28,181 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 178 186) no Hoare annotation was computed. [2019-10-02 14:26:28,181 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 178 186) the Hoare annotation is: true [2019-10-02 14:26:28,182 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 178 186) no Hoare annotation was computed. [2019-10-02 14:26:28,182 INFO L443 ceAbstractionStarter]: For program point L251(lines 251 255) no Hoare annotation was computed. [2019-10-02 14:26:28,182 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 242 260) the Hoare annotation is: true [2019-10-02 14:26:28,182 INFO L446 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: true [2019-10-02 14:26:28,182 INFO L443 ceAbstractionStarter]: For program point L251-2(lines 251 255) no Hoare annotation was computed. [2019-10-02 14:26:28,182 INFO L443 ceAbstractionStarter]: For program point L249-1(line 249) no Hoare annotation was computed. [2019-10-02 14:26:28,182 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 242 260) no Hoare annotation was computed. [2019-10-02 14:26:28,182 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 242 260) no Hoare annotation was computed. [2019-10-02 14:26:28,182 INFO L443 ceAbstractionStarter]: For program point L194-2(lines 194 202) no Hoare annotation was computed. [2019-10-02 14:26:28,182 INFO L443 ceAbstractionStarter]: For program point L217(line 217) no Hoare annotation was computed. [2019-10-02 14:26:28,182 INFO L443 ceAbstractionStarter]: For program point L217-1(line 217) no Hoare annotation was computed. [2019-10-02 14:26:28,182 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 187 222) no Hoare annotation was computed. [2019-10-02 14:26:28,182 INFO L443 ceAbstractionStarter]: For program point L206(lines 206 214) no Hoare annotation was computed. [2019-10-02 14:26:28,182 INFO L443 ceAbstractionStarter]: For program point L206-2(lines 206 214) no Hoare annotation was computed. [2019-10-02 14:26:28,183 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 187 222) no Hoare annotation was computed. [2019-10-02 14:26:28,183 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 187 222) no Hoare annotation was computed. [2019-10-02 14:26:28,183 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 202) no Hoare annotation was computed. [2019-10-02 14:26:28,183 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 873 879) no Hoare annotation was computed. [2019-10-02 14:26:28,183 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 873 879) the Hoare annotation is: true [2019-10-02 14:26:28,183 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 450 495) no Hoare annotation was computed. [2019-10-02 14:26:28,183 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 450 495) no Hoare annotation was computed. [2019-10-02 14:26:28,183 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 450 495) no Hoare annotation was computed. [2019-10-02 14:26:28,183 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 763 808) no Hoare annotation was computed. [2019-10-02 14:26:28,183 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 790) no Hoare annotation was computed. [2019-10-02 14:26:28,183 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 763 808) no Hoare annotation was computed. [2019-10-02 14:26:28,183 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 797) no Hoare annotation was computed. [2019-10-02 14:26:28,183 INFO L443 ceAbstractionStarter]: For program point L777-1(lines 777 797) no Hoare annotation was computed. [2019-10-02 14:26:28,183 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 763 808) no Hoare annotation was computed. [2019-10-02 14:26:28,184 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 959 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:26:28,184 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 959 969) no Hoare annotation was computed. [2019-10-02 14:26:28,184 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 959 969) no Hoare annotation was computed. [2019-10-02 14:26:28,184 INFO L439 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:26:28,184 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 167 177) no Hoare annotation was computed. [2019-10-02 14:26:28,184 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-02 14:26:28,184 INFO L443 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2019-10-02 14:26:28,184 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 167 177) no Hoare annotation was computed. [2019-10-02 14:26:28,184 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 167 177) no Hoare annotation was computed. [2019-10-02 14:26:28,184 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 159 166) the Hoare annotation is: (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2019-10-02 14:26:28,184 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 159 166) no Hoare annotation was computed. [2019-10-02 14:26:28,184 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 159 166) no Hoare annotation was computed. [2019-10-02 14:26:28,184 INFO L443 ceAbstractionStarter]: For program point L424(lines 424 430) no Hoare annotation was computed. [2019-10-02 14:26:28,185 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 420 433) no Hoare annotation was computed. [2019-10-02 14:26:28,185 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 420 433) the Hoare annotation is: true [2019-10-02 14:26:28,185 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 420 433) no Hoare annotation was computed. [2019-10-02 14:26:28,185 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 126 150) no Hoare annotation was computed. [2019-10-02 14:26:28,185 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 126 150) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 (or .cse1 (or .cse4 .cse0 (not (= ~waterLevel~0 2))))) (or .cse4 .cse3 .cse0 .cse1 .cse2))) [2019-10-02 14:26:28,185 INFO L439 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse1 .cse4) (or .cse2 .cse0 .cse3 .cse1 .cse4))) [2019-10-02 14:26:28,185 INFO L443 ceAbstractionStarter]: For program point L145-1(lines 126 150) no Hoare annotation was computed. [2019-10-02 14:26:28,185 INFO L439 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2019-10-02 14:26:28,185 INFO L439 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (and (= 1 processEnvironment_~tmp~1) (= ~pumpRunning~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2019-10-02 14:26:28,185 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 142) no Hoare annotation was computed. [2019-10-02 14:26:28,185 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2019-10-02 14:26:28,186 INFO L443 ceAbstractionStarter]: For program point L132-1(line 132) no Hoare annotation was computed. [2019-10-02 14:26:28,186 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 147) no Hoare annotation was computed. [2019-10-02 14:26:28,186 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 92 98) no Hoare annotation was computed. [2019-10-02 14:26:28,186 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 92 98) the Hoare annotation is: true [2019-10-02 14:26:28,186 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 273 338) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:26:28,186 INFO L443 ceAbstractionStarter]: For program point L285(lines 285 289) no Hoare annotation was computed. [2019-10-02 14:26:28,186 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 273 338) no Hoare annotation was computed. [2019-10-02 14:26:28,186 INFO L439 ceAbstractionStarter]: At program point L331(lines 282 332) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:26:28,186 INFO L443 ceAbstractionStarter]: For program point L321(lines 321 325) no Hoare annotation was computed. [2019-10-02 14:26:28,186 INFO L439 ceAbstractionStarter]: At program point L321-2(lines 313 326) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (and .cse0 .cse1 (= ~waterLevel~0 2) (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (and .cse0 .cse1 (= 2 ~waterLevel~0)) .cse2))) [2019-10-02 14:26:28,186 INFO L443 ceAbstractionStarter]: For program point L284(lines 283 330) no Hoare annotation was computed. [2019-10-02 14:26:28,186 INFO L439 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (and .cse0 .cse1 (= ~waterLevel~0 2) (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (and .cse0 .cse1 (= 2 ~waterLevel~0)) .cse2))) [2019-10-02 14:26:28,186 INFO L443 ceAbstractionStarter]: For program point L313(lines 313 326) no Hoare annotation was computed. [2019-10-02 14:26:28,187 INFO L439 ceAbstractionStarter]: At program point L305(line 305) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (and .cse0 .cse1 (= ~waterLevel~0 2) (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (and .cse0 .cse1 (= 2 ~waterLevel~0)) .cse2))) [2019-10-02 14:26:28,187 INFO L443 ceAbstractionStarter]: For program point L303(lines 303 309) no Hoare annotation was computed. [2019-10-02 14:26:28,187 INFO L443 ceAbstractionStarter]: For program point L303-1(lines 303 309) no Hoare annotation was computed. [2019-10-02 14:26:28,187 INFO L439 ceAbstractionStarter]: At program point L328(lines 283 330) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-02 14:26:28,187 INFO L439 ceAbstractionStarter]: At program point L295(line 295) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0)) (.cse4 (= 0 test_~splverifierCounter~0))) (let ((.cse0 (and .cse3 .cse4)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~waterLevel~0 2))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (and (= 1 ~waterLevel~0) .cse0) .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse1) (and .cse3 .cse4 .cse2 (= ~pumpRunning~0 1))))) [2019-10-02 14:26:28,187 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 299) no Hoare annotation was computed. [2019-10-02 14:26:28,187 INFO L443 ceAbstractionStarter]: For program point L293-1(lines 293 299) no Hoare annotation was computed. [2019-10-02 14:26:28,187 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 273 338) no Hoare annotation was computed. [2019-10-02 14:26:28,187 INFO L443 ceAbstractionStarter]: For program point L737(lines 737 744) no Hoare annotation was computed. [2019-10-02 14:26:28,187 INFO L443 ceAbstractionStarter]: For program point L731(lines 731 751) no Hoare annotation was computed. [2019-10-02 14:26:28,187 INFO L443 ceAbstractionStarter]: For program point L731-1(lines 731 751) no Hoare annotation was computed. [2019-10-02 14:26:28,187 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 717 762) no Hoare annotation was computed. [2019-10-02 14:26:28,187 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 717 762) no Hoare annotation was computed. [2019-10-02 14:26:28,188 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 717 762) no Hoare annotation was computed. [2019-10-02 14:26:28,188 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 434 442) no Hoare annotation was computed. [2019-10-02 14:26:28,188 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 434 442) the Hoare annotation is: true [2019-10-02 14:26:28,188 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 434 442) no Hoare annotation was computed. [2019-10-02 14:26:28,188 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 404) no Hoare annotation was computed. [2019-10-02 14:26:28,188 INFO L443 ceAbstractionStarter]: For program point L396-2(lines 396 404) no Hoare annotation was computed. [2019-10-02 14:26:28,188 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 388 410) no Hoare annotation was computed. [2019-10-02 14:26:28,188 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 388 410) no Hoare annotation was computed. [2019-10-02 14:26:28,188 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 388 410) no Hoare annotation was computed. [2019-10-02 14:26:28,188 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 614 716) no Hoare annotation was computed. [2019-10-02 14:26:28,188 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 642) no Hoare annotation was computed. [2019-10-02 14:26:28,188 INFO L443 ceAbstractionStarter]: For program point L702(lines 702 713) no Hoare annotation was computed. [2019-10-02 14:26:28,188 INFO L443 ceAbstractionStarter]: For program point L665(lines 665 669) no Hoare annotation was computed. [2019-10-02 14:26:28,189 INFO L443 ceAbstractionStarter]: For program point L663-2(lines 663 683) no Hoare annotation was computed. [2019-10-02 14:26:28,189 INFO L443 ceAbstractionStarter]: For program point L684(lines 662 685) no Hoare annotation was computed. [2019-10-02 14:26:28,189 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 614 716) no Hoare annotation was computed. [2019-10-02 14:26:28,189 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 659) no Hoare annotation was computed. [2019-10-02 14:26:28,189 INFO L443 ceAbstractionStarter]: For program point L703(lines 703 710) no Hoare annotation was computed. [2019-10-02 14:26:28,189 INFO L443 ceAbstractionStarter]: For program point L664(lines 663 683) no Hoare annotation was computed. [2019-10-02 14:26:28,189 INFO L443 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2019-10-02 14:26:28,189 INFO L443 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2019-10-02 14:26:28,189 INFO L443 ceAbstractionStarter]: For program point L660(lines 660 701) no Hoare annotation was computed. [2019-10-02 14:26:28,190 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 614 716) no Hoare annotation was computed. [2019-10-02 14:26:28,190 INFO L443 ceAbstractionStarter]: For program point L679(line 679) no Hoare annotation was computed. [2019-10-02 14:26:28,190 INFO L443 ceAbstractionStarter]: For program point L679-1(line 679) no Hoare annotation was computed. [2019-10-02 14:26:28,190 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 863 872) no Hoare annotation was computed. [2019-10-02 14:26:28,190 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 863 872) no Hoare annotation was computed. [2019-10-02 14:26:28,190 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 863 872) no Hoare annotation was computed. [2019-10-02 14:26:28,190 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:26:28,190 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-02 14:26:28,190 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:26:28,191 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 151 158) no Hoare annotation was computed. [2019-10-02 14:26:28,191 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 151 158) no Hoare annotation was computed. [2019-10-02 14:26:28,191 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 151 158) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2019-10-02 14:26:28,191 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 223 241) no Hoare annotation was computed. [2019-10-02 14:26:28,191 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 236) no Hoare annotation was computed. [2019-10-02 14:26:28,191 INFO L446 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: true [2019-10-02 14:26:28,191 INFO L443 ceAbstractionStarter]: For program point L232-2(lines 232 236) no Hoare annotation was computed. [2019-10-02 14:26:28,191 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 223 241) the Hoare annotation is: true [2019-10-02 14:26:28,192 INFO L443 ceAbstractionStarter]: For program point L230-1(line 230) no Hoare annotation was computed. [2019-10-02 14:26:28,192 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 223 241) no Hoare annotation was computed. [2019-10-02 14:26:28,192 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 411 419) the Hoare annotation is: true [2019-10-02 14:26:28,192 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 411 419) no Hoare annotation was computed. [2019-10-02 14:26:28,192 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 411 419) no Hoare annotation was computed. [2019-10-02 14:26:28,192 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 367 378) the Hoare annotation is: true [2019-10-02 14:26:28,192 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 367 378) no Hoare annotation was computed. [2019-10-02 14:26:28,192 INFO L443 ceAbstractionStarter]: For program point L371-1(lines 367 378) no Hoare annotation was computed. [2019-10-02 14:26:28,192 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:26:28,193 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-02 14:26:28,193 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:26:28,193 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 379 387) no Hoare annotation was computed. [2019-10-02 14:26:28,193 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 379 387) no Hoare annotation was computed. [2019-10-02 14:26:28,193 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 379 387) no Hoare annotation was computed. [2019-10-02 14:26:28,193 INFO L439 ceAbstractionStarter]: At program point L81(line 81) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0))) (.cse3 (or .cse2 (not (= |old(~waterLevel~0)| 2))))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (or .cse3 .cse0) .cse1) (or (or .cse3 (not (= 1 |old(~pumpRunning~0)|))) (and .cse4 (<= ~waterLevel~0 1) (= ~pumpRunning~0 1) (< 0 ~waterLevel~0)))))) [2019-10-02 14:26:28,193 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 65 91) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse3 (not (= |old(~waterLevel~0)| 2)))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse2)) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4) (or (or .cse0 (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 1) .cse5)) (or .cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4) (or .cse1 (and .cse5 .cse2) .cse3 .cse4)))) [2019-10-02 14:26:28,194 INFO L439 ceAbstractionStarter]: At program point L79(lines 79 85) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse4 (or .cse2 (not (= |old(~waterLevel~0)| 2)))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse3))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) (< 0 ~waterLevel~0) .cse3) (or .cse4 (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse4 .cse0) (and (= ~pumpRunning~0 1) .cse5) .cse1)))) [2019-10-02 14:26:28,194 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 65 91) no Hoare annotation was computed. [2019-10-02 14:26:28,194 INFO L439 ceAbstractionStarter]: At program point L74(line 74) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (or .cse2 (not (= |old(~waterLevel~0)| 2))))) (and (or .cse0 .cse1) (or .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (or .cse0 (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 2 ~waterLevel~0)))))) [2019-10-02 14:26:28,194 INFO L443 ceAbstractionStarter]: For program point L72(lines 68 90) no Hoare annotation was computed. [2019-10-02 14:26:28,194 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 65 91) no Hoare annotation was computed. [2019-10-02 14:26:28,194 INFO L443 ceAbstractionStarter]: For program point L70(lines 68 90) no Hoare annotation was computed. [2019-10-02 14:26:28,194 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 898 927) no Hoare annotation was computed. [2019-10-02 14:26:28,195 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 898 927) the Hoare annotation is: true [2019-10-02 14:26:28,195 INFO L446 ceAbstractionStarter]: At program point L923(lines 898 927) the Hoare annotation is: true [2019-10-02 14:26:28,195 INFO L443 ceAbstractionStarter]: For program point L919(line 919) no Hoare annotation was computed. [2019-10-02 14:26:28,195 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 916) no Hoare annotation was computed. [2019-10-02 14:26:28,195 INFO L446 ceAbstractionStarter]: At program point L912-1(lines 912 916) the Hoare annotation is: true [2019-10-02 14:26:28,195 INFO L443 ceAbstractionStarter]: For program point L909(line 909) no Hoare annotation was computed. [2019-10-02 14:26:28,195 INFO L446 ceAbstractionStarter]: At program point L908-2(lines 908 922) the Hoare annotation is: true [2019-10-02 14:26:28,195 INFO L446 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: true [2019-10-02 14:26:28,195 INFO L443 ceAbstractionStarter]: For program point L904-1(line 904) no Hoare annotation was computed. [2019-10-02 14:26:28,196 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 343 354) the Hoare annotation is: (or (or (or (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 2))) (not (= 1 ~pumpRunning~0))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-02 14:26:28,196 INFO L443 ceAbstractionStarter]: For program point L347-1(lines 343 354) no Hoare annotation was computed. [2019-10-02 14:26:28,196 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 343 354) no Hoare annotation was computed. [2019-10-02 14:26:28,196 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 952 958) no Hoare annotation was computed. [2019-10-02 14:26:28,196 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 952 958) the Hoare annotation is: true [2019-10-02 14:26:28,196 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:26:28,196 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-02 14:26:28,196 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 14:26:28,196 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:26:28,197 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 261 268) no Hoare annotation was computed. [2019-10-02 14:26:28,197 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 261 268) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0)) (.cse4 (not (= |old(~systemActive~0)| 1)))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (or .cse4 (not (= ~waterLevel~0 2)))) (.cse2 (and .cse3 (= 2 ~waterLevel~0)))) (and (or (or .cse0 .cse1) .cse2) (or .cse1 .cse3 .cse4 (not (= ~waterLevel~0 1))) (or (or .cse0 (not (= 1 ~pumpRunning~0))) .cse2)))) [2019-10-02 14:26:28,197 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 261 268) no Hoare annotation was computed. [2019-10-02 14:26:28,197 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 100 124) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or .cse2 .cse0 .cse3 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-02 14:26:28,197 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 100 124) no Hoare annotation was computed. [2019-10-02 14:26:28,197 INFO L439 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2019-10-02 14:26:28,197 INFO L443 ceAbstractionStarter]: For program point L119-1(lines 100 124) no Hoare annotation was computed. [2019-10-02 14:26:28,198 INFO L439 ceAbstractionStarter]: At program point L114(line 114) the Hoare annotation is: (let ((.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~pumpRunning~0 0))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse1 (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2))))))) [2019-10-02 14:26:28,198 INFO L439 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (= ~pumpRunning~0 0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2019-10-02 14:26:28,198 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 116) no Hoare annotation was computed. [2019-10-02 14:26:28,198 INFO L439 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or .cse2 .cse0 .cse3 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-02 14:26:28,198 INFO L443 ceAbstractionStarter]: For program point L106-1(line 106) no Hoare annotation was computed. [2019-10-02 14:26:28,198 INFO L443 ceAbstractionStarter]: For program point L104(lines 104 121) no Hoare annotation was computed. [2019-10-02 14:26:28,198 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 355 366) no Hoare annotation was computed. [2019-10-02 14:26:28,198 INFO L443 ceAbstractionStarter]: For program point L359-1(lines 355 366) no Hoare annotation was computed. [2019-10-02 14:26:28,199 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 355 366) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or .cse1 (or .cse3 .cse0 (not (= |old(~waterLevel~0)| 1)))) (or (or .cse3 .cse0) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse1 .cse2))) [2019-10-02 14:26:28,199 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-02 14:26:28,199 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-02 14:26:28,199 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-02 14:26:28,199 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-02 14:26:28,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 02:26:28 BoogieIcfgContainer [2019-10-02 14:26:28,215 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 14:26:28,217 INFO L168 Benchmark]: Toolchain (without parser) took 33538.95 ms. Allocated memory was 138.4 MB in the beginning and 805.3 MB in the end (delta: 666.9 MB). Free memory was 84.6 MB in the beginning and 599.3 MB in the end (delta: -514.6 MB). Peak memory consumption was 690.5 MB. Max. memory is 7.1 GB. [2019-10-02 14:26:28,218 INFO L168 Benchmark]: CDTParser took 2.45 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-02 14:26:28,219 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.32 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 84.4 MB in the beginning and 163.2 MB in the end (delta: -78.8 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-10-02 14:26:28,220 INFO L168 Benchmark]: Boogie Preprocessor took 118.99 ms. Allocated memory is still 198.7 MB. Free memory was 163.2 MB in the beginning and 158.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-02 14:26:28,220 INFO L168 Benchmark]: RCFGBuilder took 1614.97 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 158.8 MB in the beginning and 187.6 MB in the end (delta: -28.8 MB). Peak memory consumption was 92.4 MB. Max. memory is 7.1 GB. [2019-10-02 14:26:28,221 INFO L168 Benchmark]: TraceAbstraction took 31051.40 ms. Allocated memory was 220.2 MB in the beginning and 805.3 MB in the end (delta: 585.1 MB). Free memory was 187.6 MB in the beginning and 599.3 MB in the end (delta: -411.7 MB). Peak memory consumption was 711.6 MB. Max. memory is 7.1 GB. [2019-10-02 14:26:28,225 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.45 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 749.32 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 84.4 MB in the beginning and 163.2 MB in the end (delta: -78.8 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.99 ms. Allocated memory is still 198.7 MB. Free memory was 163.2 MB in the beginning and 158.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1614.97 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 158.8 MB in the beginning and 187.6 MB in the end (delta: -28.8 MB). Peak memory consumption was 92.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31051.40 ms. Allocated memory was 220.2 MB in the beginning and 805.3 MB in the end (delta: 585.1 MB). Free memory was 187.6 MB in the beginning and 599.3 MB in the end (delta: -411.7 MB). Peak memory consumption was 711.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 0 == splverifierCounter) && waterLevel == 2) && pumpRunning == 1) || ((((pumpRunning == switchedOnBeforeTS && 1 == systemActive) && 0 == splverifierCounter) && waterLevel == 2) && pumpRunning == 0)) || !(0 == \old(pumpRunning))) || (((1 == systemActive && 0 == splverifierCounter) && \old(waterLevel) == waterLevel) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 249 locations, 1 error locations. SAFE Result, 30.9s OverallTime, 15 OverallIterations, 11 TraceHistogramMax, 17.2s AutomataDifference, 0.0s DeadEndRemovalTime, 6.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 3008 SDtfs, 4861 SDslu, 9428 SDs, 0 SdLazy, 12708 SolverSat, 3214 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2169 GetRequests, 1909 SyntacticMatches, 5 SemanticMatches, 255 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2023 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2009occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 15 MinimizatonAttempts, 1425 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 3029 PreInvPairs, 3088 NumberOfFragments, 1793 HoareAnnotationTreeSize, 3029 FomulaSimplifications, 36042 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 63 FomulaSimplificationsInter, 38570 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 4373 NumberOfCodeBlocks, 4373 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 4352 ConstructedInterpolants, 0 QuantifiedInterpolants, 1804479 SizeOfPredicates, 23 NumberOfNonLiveVariables, 7805 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 21 InterpolantComputations, 10 PerfectInterpolantSequences, 4488/4749 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...