/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:42:16,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:42:16,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:42:16,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:42:16,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:42:16,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:42:16,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:42:16,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:42:16,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:42:16,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:42:16,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:42:16,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:42:16,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:42:16,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:42:16,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:42:16,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:42:16,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:42:16,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:42:16,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:42:16,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:42:16,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:42:16,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:42:16,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:42:16,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:42:16,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:42:16,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:42:16,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:42:16,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:42:16,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:42:16,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:42:16,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:42:16,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:42:16,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:42:16,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:42:16,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:42:16,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:42:16,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:42:16,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:42:16,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:42:16,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:42:16,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:42:16,543 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 [2020-07-07 10:42:16,558 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:42:16,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:42:16,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:42:16,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:42:16,560 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:42:16,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:42:16,560 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:42:16,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:42:16,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:42:16,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:42:16,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:42:16,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:42:16,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:42:16,562 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:42:16,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:42:16,562 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:42:16,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:42:16,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:42:16,563 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:42:16,563 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:42:16,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:42:16,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:42:16,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:42:16,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:42:16,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:42:16,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:42:16,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:42:16,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:42:16,565 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:42:16,565 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:42:16,832 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:42:16,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:42:16,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:42:16,850 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:42:16,851 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:42:16,852 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c [2020-07-07 10:42:16,916 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11d8da821/32fcf8eb060a46bf93b26fc84089607a/FLAG2335324f2 [2020-07-07 10:42:17,463 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:42:17,463 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c [2020-07-07 10:42:17,478 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11d8da821/32fcf8eb060a46bf93b26fc84089607a/FLAG2335324f2 [2020-07-07 10:42:17,786 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11d8da821/32fcf8eb060a46bf93b26fc84089607a [2020-07-07 10:42:17,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:42:17,799 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:42:17,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:42:17,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:42:17,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:42:17,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:42:17" (1/1) ... [2020-07-07 10:42:17,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577b68e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:17, skipping insertion in model container [2020-07-07 10:42:17,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:42:17" (1/1) ... [2020-07-07 10:42:17,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:42:17,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:42:18,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:42:18,284 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:42:18,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:42:18,445 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:42:18,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:18 WrapperNode [2020-07-07 10:42:18,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:42:18,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:42:18,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:42:18,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:42:18,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:18" (1/1) ... [2020-07-07 10:42:18,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:18" (1/1) ... [2020-07-07 10:42:18,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:18" (1/1) ... [2020-07-07 10:42:18,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:18" (1/1) ... [2020-07-07 10:42:18,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:18" (1/1) ... [2020-07-07 10:42:18,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:18" (1/1) ... [2020-07-07 10:42:18,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:18" (1/1) ... [2020-07-07 10:42:18,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:42:18,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:42:18,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:42:18,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:42:18,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:18" (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 [2020-07-07 10:42:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:42:18,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:42:18,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:42:18,606 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:42:18,606 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:42:18,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:42:18,606 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:42:18,607 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:42:18,607 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:42:18,607 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:42:18,607 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:42:18,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:42:18,607 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:42:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:42:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:42:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:42:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-07 10:42:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-07 10:42:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:42:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:42:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:42:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:42:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:42:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:42:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:42:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:42:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:42:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:42:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:42:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:42:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:42:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:42:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:42:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:42:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:42:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:42:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:42:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:42:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:42:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:42:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:42:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:42:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:42:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:42:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:42:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:42:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:42:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:42:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:42:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:42:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:42:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-07 10:42:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:42:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:42:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:42:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:42:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:42:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:42:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:42:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:42:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:42:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:42:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:42:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:42:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:42:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:42:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:42:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-07 10:42:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:42:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:42:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:42:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:42:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:42:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:42:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:42:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:42:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:42:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:42:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:42:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:42:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:42:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:42:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:42:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:42:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:42:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:42:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:42:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:42:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:42:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:42:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:42:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:42:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:42:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:42:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:42:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:42:19,675 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:42:19,675 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:42:19,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:42:19 BoogieIcfgContainer [2020-07-07 10:42:19,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:42:19,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:42:19,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:42:19,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:42:19,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:42:17" (1/3) ... [2020-07-07 10:42:19,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18339092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:42:19, skipping insertion in model container [2020-07-07 10:42:19,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:18" (2/3) ... [2020-07-07 10:42:19,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18339092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:42:19, skipping insertion in model container [2020-07-07 10:42:19,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:42:19" (3/3) ... [2020-07-07 10:42:19,695 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2020-07-07 10:42:19,706 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:42:19,713 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:42:19,724 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:42:19,745 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:42:19,746 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:42:19,746 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:42:19,746 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:42:19,746 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:42:19,747 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:42:19,747 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:42:19,747 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:42:19,772 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-07-07 10:42:19,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-07 10:42:19,782 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:19,783 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:19,783 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:19,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:19,790 INFO L82 PathProgramCache]: Analyzing trace with hash -154299971, now seen corresponding path program 1 times [2020-07-07 10:42:19,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:19,800 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333092942] [2020-07-07 10:42:19,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:20,452 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:20,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:20,547 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333092942] [2020-07-07 10:42:20,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:20,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:42:20,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368867778] [2020-07-07 10:42:20,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:42:20,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:20,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:42:20,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:42:20,572 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 4 states. [2020-07-07 10:42:21,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:21,667 INFO L93 Difference]: Finished difference Result 296 states and 385 transitions. [2020-07-07 10:42:21,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:42:21,669 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-07 10:42:21,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:21,684 INFO L225 Difference]: With dead ends: 296 [2020-07-07 10:42:21,684 INFO L226 Difference]: Without dead ends: 164 [2020-07-07 10:42:21,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:42:21,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-07-07 10:42:21,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 133. [2020-07-07 10:42:21,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-07 10:42:21,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2020-07-07 10:42:21,781 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 51 [2020-07-07 10:42:21,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:21,782 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2020-07-07 10:42:21,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:42:21,782 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2020-07-07 10:42:21,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:42:21,785 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:21,786 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:21,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:42:21,786 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:21,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:21,787 INFO L82 PathProgramCache]: Analyzing trace with hash 401693438, now seen corresponding path program 1 times [2020-07-07 10:42:21,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:21,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548240172] [2020-07-07 10:42:21,788 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,178 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:22,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:22,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548240172] [2020-07-07 10:42:22,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:22,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:42:22,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250225229] [2020-07-07 10:42:22,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:42:22,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:22,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:42:22,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:42:22,247 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand 5 states. [2020-07-07 10:42:22,689 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:23,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:23,501 INFO L93 Difference]: Finished difference Result 241 states and 296 transitions. [2020-07-07 10:42:23,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:42:23,502 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-07 10:42:23,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:23,505 INFO L225 Difference]: With dead ends: 241 [2020-07-07 10:42:23,505 INFO L226 Difference]: Without dead ends: 154 [2020-07-07 10:42:23,507 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:42:23,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-07-07 10:42:23,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 124. [2020-07-07 10:42:23,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-07-07 10:42:23,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2020-07-07 10:42:23,545 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 52 [2020-07-07 10:42:23,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:23,545 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2020-07-07 10:42:23,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:42:23,546 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2020-07-07 10:42:23,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-07 10:42:23,548 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:23,548 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:23,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:42:23,549 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:23,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:23,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1332267464, now seen corresponding path program 1 times [2020-07-07 10:42:23,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:23,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891768946] [2020-07-07 10:42:23,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,911 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:23,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891768946] [2020-07-07 10:42:23,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:23,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:42:23,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410712871] [2020-07-07 10:42:23,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:42:23,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:23,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:42:23,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:42:23,995 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 9 states. [2020-07-07 10:42:24,453 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:24,773 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:25,062 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:25,301 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:26,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:26,534 INFO L93 Difference]: Finished difference Result 250 states and 311 transitions. [2020-07-07 10:42:26,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:42:26,535 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-07-07 10:42:26,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:26,537 INFO L225 Difference]: With dead ends: 250 [2020-07-07 10:42:26,537 INFO L226 Difference]: Without dead ends: 154 [2020-07-07 10:42:26,540 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:42:26,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-07-07 10:42:26,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 124. [2020-07-07 10:42:26,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-07-07 10:42:26,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2020-07-07 10:42:26,578 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 56 [2020-07-07 10:42:26,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:26,579 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2020-07-07 10:42:26,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:42:26,579 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2020-07-07 10:42:26,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-07 10:42:26,582 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:26,582 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:26,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:42:26,583 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:26,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:26,583 INFO L82 PathProgramCache]: Analyzing trace with hash -877153324, now seen corresponding path program 1 times [2020-07-07 10:42:26,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:26,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114858117] [2020-07-07 10:42:26,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:26,868 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:26,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:26,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114858117] [2020-07-07 10:42:26,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:26,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:42:26,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917804399] [2020-07-07 10:42:26,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:42:26,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:26,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:42:26,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:42:26,990 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand 7 states. [2020-07-07 10:42:27,402 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:28,649 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:29,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:29,308 INFO L93 Difference]: Finished difference Result 344 states and 433 transitions. [2020-07-07 10:42:29,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:42:29,309 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-07-07 10:42:29,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:29,313 INFO L225 Difference]: With dead ends: 344 [2020-07-07 10:42:29,313 INFO L226 Difference]: Without dead ends: 248 [2020-07-07 10:42:29,315 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:42:29,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-07-07 10:42:29,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 202. [2020-07-07 10:42:29,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-07-07 10:42:29,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 232 transitions. [2020-07-07 10:42:29,359 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 232 transitions. Word has length 69 [2020-07-07 10:42:29,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:29,359 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 232 transitions. [2020-07-07 10:42:29,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:42:29,360 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 232 transitions. [2020-07-07 10:42:29,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-07 10:42:29,362 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:29,363 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:29,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:42:29,363 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:29,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:29,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1061705923, now seen corresponding path program 1 times [2020-07-07 10:42:29,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:29,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176424107] [2020-07-07 10:42:29,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,689 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:29,830 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176424107] [2020-07-07 10:42:29,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:29,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:42:29,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452196054] [2020-07-07 10:42:29,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:42:29,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:29,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:42:29,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:42:29,833 INFO L87 Difference]: Start difference. First operand 202 states and 232 transitions. Second operand 9 states. [2020-07-07 10:42:30,282 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:31,516 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:31,800 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:32,052 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:32,276 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:33,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:33,258 INFO L93 Difference]: Finished difference Result 597 states and 752 transitions. [2020-07-07 10:42:33,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-07 10:42:33,258 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-07-07 10:42:33,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:33,267 INFO L225 Difference]: With dead ends: 597 [2020-07-07 10:42:33,267 INFO L226 Difference]: Without dead ends: 423 [2020-07-07 10:42:33,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:42:33,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-07-07 10:42:33,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 352. [2020-07-07 10:42:33,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2020-07-07 10:42:33,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 404 transitions. [2020-07-07 10:42:33,348 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 404 transitions. Word has length 83 [2020-07-07 10:42:33,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:33,348 INFO L479 AbstractCegarLoop]: Abstraction has 352 states and 404 transitions. [2020-07-07 10:42:33,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:42:33,349 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 404 transitions. [2020-07-07 10:42:33,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-07 10:42:33,351 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:33,351 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:33,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:42:33,352 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:33,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:33,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1506381919, now seen corresponding path program 1 times [2020-07-07 10:42:33,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:33,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452651619] [2020-07-07 10:42:33,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:33,651 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:33,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:33,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452651619] [2020-07-07 10:42:33,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:33,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 10:42:33,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919857956] [2020-07-07 10:42:33,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:42:33,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:33,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:42:33,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:42:33,798 INFO L87 Difference]: Start difference. First operand 352 states and 404 transitions. Second operand 10 states. [2020-07-07 10:42:34,369 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:35,522 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:35,755 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:36,015 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:36,319 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:37,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:37,481 INFO L93 Difference]: Finished difference Result 782 states and 967 transitions. [2020-07-07 10:42:37,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-07 10:42:37,481 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 87 [2020-07-07 10:42:37,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:37,485 INFO L225 Difference]: With dead ends: 782 [2020-07-07 10:42:37,485 INFO L226 Difference]: Without dead ends: 458 [2020-07-07 10:42:37,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:42:37,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2020-07-07 10:42:37,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 351. [2020-07-07 10:42:37,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-07-07 10:42:37,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 401 transitions. [2020-07-07 10:42:37,566 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 401 transitions. Word has length 87 [2020-07-07 10:42:37,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:37,566 INFO L479 AbstractCegarLoop]: Abstraction has 351 states and 401 transitions. [2020-07-07 10:42:37,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:42:37,567 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 401 transitions. [2020-07-07 10:42:37,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-07 10:42:37,569 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:37,569 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:37,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:42:37,569 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:37,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:37,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1049604760, now seen corresponding path program 1 times [2020-07-07 10:42:37,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:37,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862222644] [2020-07-07 10:42:37,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:37,816 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:37,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:37,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862222644] [2020-07-07 10:42:37,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:37,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 10:42:37,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871097432] [2020-07-07 10:42:37,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:42:37,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:37,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:42:37,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:42:37,993 INFO L87 Difference]: Start difference. First operand 351 states and 401 transitions. Second operand 10 states. [2020-07-07 10:42:38,997 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:39,249 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:42:39,509 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:39,757 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:40,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:40,653 INFO L93 Difference]: Finished difference Result 785 states and 976 transitions. [2020-07-07 10:42:40,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:42:40,654 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 88 [2020-07-07 10:42:40,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:40,657 INFO L225 Difference]: With dead ends: 785 [2020-07-07 10:42:40,657 INFO L226 Difference]: Without dead ends: 462 [2020-07-07 10:42:40,659 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:42:40,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2020-07-07 10:42:40,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 361. [2020-07-07 10:42:40,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2020-07-07 10:42:40,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 411 transitions. [2020-07-07 10:42:40,726 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 411 transitions. Word has length 88 [2020-07-07 10:42:40,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:40,727 INFO L479 AbstractCegarLoop]: Abstraction has 361 states and 411 transitions. [2020-07-07 10:42:40,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:42:40,727 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 411 transitions. [2020-07-07 10:42:40,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-07 10:42:40,729 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:40,729 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:40,729 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:42:40,729 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:40,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:40,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1751204634, now seen corresponding path program 1 times [2020-07-07 10:42:40,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:40,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364751509] [2020-07-07 10:42:40,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:40,988 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:41,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:41,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364751509] [2020-07-07 10:42:41,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:41,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:42:41,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623018597] [2020-07-07 10:42:41,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:42:41,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:41,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:42:41,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:42:41,128 INFO L87 Difference]: Start difference. First operand 361 states and 411 transitions. Second operand 12 states. [2020-07-07 10:42:41,663 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:41,915 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:42,162 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:42,783 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:43,026 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:43,261 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:44,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:44,457 INFO L93 Difference]: Finished difference Result 809 states and 1018 transitions. [2020-07-07 10:42:44,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:42:44,457 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2020-07-07 10:42:44,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:44,464 INFO L225 Difference]: With dead ends: 809 [2020-07-07 10:42:44,464 INFO L226 Difference]: Without dead ends: 476 [2020-07-07 10:42:44,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:42:44,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2020-07-07 10:42:44,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 369. [2020-07-07 10:42:44,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2020-07-07 10:42:44,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 419 transitions. [2020-07-07 10:42:44,568 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 419 transitions. Word has length 88 [2020-07-07 10:42:44,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:44,568 INFO L479 AbstractCegarLoop]: Abstraction has 369 states and 419 transitions. [2020-07-07 10:42:44,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:42:44,568 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 419 transitions. [2020-07-07 10:42:44,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-07 10:42:44,571 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:44,572 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:44,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:42:44,572 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:44,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:44,572 INFO L82 PathProgramCache]: Analyzing trace with hash -818281765, now seen corresponding path program 1 times [2020-07-07 10:42:44,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:44,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621422671] [2020-07-07 10:42:44,573 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:44,847 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:44,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:44,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621422671] [2020-07-07 10:42:44,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:44,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:42:44,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473889616] [2020-07-07 10:42:44,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:42:44,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:44,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:42:44,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:42:44,962 INFO L87 Difference]: Start difference. First operand 369 states and 419 transitions. Second operand 8 states. [2020-07-07 10:42:45,344 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:46,066 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:48,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:48,676 INFO L93 Difference]: Finished difference Result 1303 states and 1761 transitions. [2020-07-07 10:42:48,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-07 10:42:48,677 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2020-07-07 10:42:48,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:48,687 INFO L225 Difference]: With dead ends: 1303 [2020-07-07 10:42:48,687 INFO L226 Difference]: Without dead ends: 962 [2020-07-07 10:42:48,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2020-07-07 10:42:48,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2020-07-07 10:42:48,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 758. [2020-07-07 10:42:48,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2020-07-07 10:42:48,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 919 transitions. [2020-07-07 10:42:48,850 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 919 transitions. Word has length 88 [2020-07-07 10:42:48,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:48,852 INFO L479 AbstractCegarLoop]: Abstraction has 758 states and 919 transitions. [2020-07-07 10:42:48,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:42:48,852 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 919 transitions. [2020-07-07 10:42:48,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-07 10:42:48,855 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:48,856 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:48,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 10:42:48,856 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:48,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:48,856 INFO L82 PathProgramCache]: Analyzing trace with hash -470187979, now seen corresponding path program 1 times [2020-07-07 10:42:48,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:48,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093660005] [2020-07-07 10:42:48,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:49,210 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:49,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:49,360 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093660005] [2020-07-07 10:42:49,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:49,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:42:49,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927700009] [2020-07-07 10:42:49,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:42:49,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:49,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:42:49,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:42:49,362 INFO L87 Difference]: Start difference. First operand 758 states and 919 transitions. Second operand 8 states. [2020-07-07 10:42:50,046 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:52,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:52,515 INFO L93 Difference]: Finished difference Result 1735 states and 2318 transitions. [2020-07-07 10:42:52,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-07 10:42:52,516 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2020-07-07 10:42:52,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:52,526 INFO L225 Difference]: With dead ends: 1735 [2020-07-07 10:42:52,527 INFO L226 Difference]: Without dead ends: 1732 [2020-07-07 10:42:52,528 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2020-07-07 10:42:52,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1732 states. [2020-07-07 10:42:52,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1732 to 1381. [2020-07-07 10:42:52,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1381 states. [2020-07-07 10:42:52,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 1670 transitions. [2020-07-07 10:42:52,796 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 1670 transitions. Word has length 92 [2020-07-07 10:42:52,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:52,797 INFO L479 AbstractCegarLoop]: Abstraction has 1381 states and 1670 transitions. [2020-07-07 10:42:52,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:42:52,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1670 transitions. [2020-07-07 10:42:52,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-07 10:42:52,801 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:52,802 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-07-07 10:42:52,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-07 10:42:52,802 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:52,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:52,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1507801122, now seen corresponding path program 1 times [2020-07-07 10:42:52,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:52,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123397004] [2020-07-07 10:42:52,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,072 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,298 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-07 10:42:53,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123397004] [2020-07-07 10:42:53,299 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116941443] [2020-07-07 10:42:53,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:42:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:53,545 INFO L264 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 10:42:53,559 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:42:53,618 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:53,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:42:53,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 13 [2020-07-07 10:42:53,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187149327] [2020-07-07 10:42:53,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:42:53,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:53,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:42:53,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:42:53,621 INFO L87 Difference]: Start difference. First operand 1381 states and 1670 transitions. Second operand 3 states. [2020-07-07 10:42:54,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:54,177 INFO L93 Difference]: Finished difference Result 2511 states and 3064 transitions. [2020-07-07 10:42:54,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:42:54,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2020-07-07 10:42:54,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:54,186 INFO L225 Difference]: With dead ends: 2511 [2020-07-07 10:42:54,186 INFO L226 Difference]: Without dead ends: 1158 [2020-07-07 10:42:54,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:42:54,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2020-07-07 10:42:54,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1158. [2020-07-07 10:42:54,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1158 states. [2020-07-07 10:42:54,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1382 transitions. [2020-07-07 10:42:54,564 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1382 transitions. Word has length 150 [2020-07-07 10:42:54,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:54,565 INFO L479 AbstractCegarLoop]: Abstraction has 1158 states and 1382 transitions. [2020-07-07 10:42:54,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:42:54,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1382 transitions. [2020-07-07 10:42:54,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-07 10:42:54,569 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:54,569 INFO L422 BasicCegarLoop]: trace histogram [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, 1] [2020-07-07 10:42:54,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-07 10:42:54,783 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:54,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:54,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1309638405, now seen corresponding path program 1 times [2020-07-07 10:42:54,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:54,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252313061] [2020-07-07 10:42:54,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,117 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,393 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-07 10:42:55,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252313061] [2020-07-07 10:42:55,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965111794] [2020-07-07 10:42:55,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:42:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,642 INFO L264 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-07 10:42:55,653 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:42:55,806 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:55,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:42:55,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [15] total 19 [2020-07-07 10:42:55,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740013601] [2020-07-07 10:42:55,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:42:55,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:55,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:42:55,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:42:55,809 INFO L87 Difference]: Start difference. First operand 1158 states and 1382 transitions. Second operand 9 states. [2020-07-07 10:42:57,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:57,621 INFO L93 Difference]: Finished difference Result 3198 states and 4173 transitions. [2020-07-07 10:42:57,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:42:57,621 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2020-07-07 10:42:57,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:57,635 INFO L225 Difference]: With dead ends: 3198 [2020-07-07 10:42:57,636 INFO L226 Difference]: Without dead ends: 2068 [2020-07-07 10:42:57,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 197 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=539, Unknown=0, NotChecked=0, Total=650 [2020-07-07 10:42:57,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2068 states. [2020-07-07 10:42:58,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2068 to 1612. [2020-07-07 10:42:58,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1612 states. [2020-07-07 10:42:58,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1612 states and 1927 transitions. [2020-07-07 10:42:58,053 INFO L78 Accepts]: Start accepts. Automaton has 1612 states and 1927 transitions. Word has length 152 [2020-07-07 10:42:58,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:58,054 INFO L479 AbstractCegarLoop]: Abstraction has 1612 states and 1927 transitions. [2020-07-07 10:42:58,054 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:42:58,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 1927 transitions. [2020-07-07 10:42:58,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-07 10:42:58,057 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:58,058 INFO L422 BasicCegarLoop]: trace histogram [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, 1] [2020-07-07 10:42:58,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-07 10:42:58,272 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:58,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:58,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1237251847, now seen corresponding path program 1 times [2020-07-07 10:42:58,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:58,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944497852] [2020-07-07 10:42:58,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,619 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,846 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-07 10:42:58,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944497852] [2020-07-07 10:42:58,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494118463] [2020-07-07 10:42:58,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:42:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,033 INFO L264 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-07 10:42:59,044 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:42:59,104 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-07 10:42:59,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:42:59,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 17 [2020-07-07 10:42:59,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453757715] [2020-07-07 10:42:59,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:42:59,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:59,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:42:59,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2020-07-07 10:42:59,107 INFO L87 Difference]: Start difference. First operand 1612 states and 1927 transitions. Second operand 6 states. [2020-07-07 10:42:59,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:59,251 INFO L93 Difference]: Finished difference Result 2167 states and 2585 transitions. [2020-07-07 10:42:59,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-07 10:42:59,252 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 152 [2020-07-07 10:42:59,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:59,253 INFO L225 Difference]: With dead ends: 2167 [2020-07-07 10:42:59,253 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:42:59,258 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:42:59,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:42:59,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:42:59,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:42:59,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:42:59,259 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2020-07-07 10:42:59,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:59,260 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:42:59,260 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:42:59,260 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:42:59,260 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:42:59,473 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-07 10:42:59,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:43:01,686 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 333 DAG size of output: 293 [2020-07-07 10:43:03,389 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 330 [2020-07-07 10:43:04,453 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 293 [2020-07-07 10:43:05,235 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 333 [2020-07-07 10:43:06,607 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 22 [2020-07-07 10:43:06,769 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-07-07 10:43:06,971 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 30 [2020-07-07 10:43:07,244 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-07 10:43:07,556 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 30 [2020-07-07 10:43:07,762 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 30 [2020-07-07 10:43:08,187 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 187 [2020-07-07 10:43:09,101 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 20 [2020-07-07 10:43:09,647 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 19 [2020-07-07 10:43:10,231 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 34 [2020-07-07 10:43:10,410 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-07 10:43:11,745 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 231 DAG size of output: 33 [2020-07-07 10:43:12,254 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 27 [2020-07-07 10:43:12,739 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 21 [2020-07-07 10:43:13,137 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-07 10:43:13,709 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 24 [2020-07-07 10:43:14,156 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 24 [2020-07-07 10:43:14,306 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:43:14,653 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 17 [2020-07-07 10:43:14,860 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 30 [2020-07-07 10:43:16,017 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 195 DAG size of output: 40 [2020-07-07 10:43:16,374 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 15 [2020-07-07 10:43:18,011 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 280 DAG size of output: 35 [2020-07-07 10:43:18,219 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 30 [2020-07-07 10:43:18,399 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-07 10:43:18,740 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 17 [2020-07-07 10:43:19,338 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 30 [2020-07-07 10:43:19,489 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-07-07 10:43:19,695 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 30 [2020-07-07 10:43:20,219 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 25 [2020-07-07 10:43:20,380 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 1 [2020-07-07 10:43:21,738 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 231 DAG size of output: 33 [2020-07-07 10:43:21,968 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 32 [2020-07-07 10:43:23,609 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 282 DAG size of output: 35 [2020-07-07 10:43:23,812 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 32 [2020-07-07 10:43:24,021 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 30 [2020-07-07 10:43:24,461 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 30 [2020-07-07 10:43:24,622 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-07-07 10:43:24,953 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 13 [2020-07-07 10:43:25,103 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:43:25,256 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:43:25,667 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 21 [2020-07-07 10:43:26,162 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 25 [2020-07-07 10:43:26,587 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 35 [2020-07-07 10:43:26,591 INFO L268 CegarLoopResult]: For program point L638(line 638) no Hoare annotation was computed. [2020-07-07 10:43:26,592 INFO L268 CegarLoopResult]: For program point L637-2(lines 637 658) no Hoare annotation was computed. [2020-07-07 10:43:26,592 INFO L268 CegarLoopResult]: For program point L659(lines 636 660) no Hoare annotation was computed. [2020-07-07 10:43:26,592 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 612 667) no Hoare annotation was computed. [2020-07-07 10:43:26,592 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 612 667) no Hoare annotation was computed. [2020-07-07 10:43:26,592 INFO L268 CegarLoopResult]: For program point L643(lines 643 647) no Hoare annotation was computed. [2020-07-07 10:43:26,592 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 612 667) no Hoare annotation was computed. [2020-07-07 10:43:26,594 INFO L268 CegarLoopResult]: For program point L643-1(lines 643 647) no Hoare annotation was computed. [2020-07-07 10:43:26,594 INFO L268 CegarLoopResult]: For program point L700(lines 700 704) no Hoare annotation was computed. [2020-07-07 10:43:26,594 INFO L268 CegarLoopResult]: For program point L700-1(lines 700 704) no Hoare annotation was computed. [2020-07-07 10:43:26,595 INFO L268 CegarLoopResult]: For program point L695(line 695) no Hoare annotation was computed. [2020-07-07 10:43:26,595 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 668 727) no Hoare annotation was computed. [2020-07-07 10:43:26,595 INFO L268 CegarLoopResult]: For program point L694-2(lines 694 719) no Hoare annotation was computed. [2020-07-07 10:43:26,595 INFO L268 CegarLoopResult]: For program point L720(lines 693 721) no Hoare annotation was computed. [2020-07-07 10:43:26,595 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 668 727) no Hoare annotation was computed. [2020-07-07 10:43:26,595 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 668 727) no Hoare annotation was computed. [2020-07-07 10:43:26,595 INFO L268 CegarLoopResult]: For program point L713(line 713) no Hoare annotation was computed. [2020-07-07 10:43:26,595 INFO L268 CegarLoopResult]: For program point L713-1(line 713) no Hoare annotation was computed. [2020-07-07 10:43:26,596 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 953 959) the Hoare annotation is: true [2020-07-07 10:43:26,596 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 953 959) no Hoare annotation was computed. [2020-07-07 10:43:26,596 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 960 968) no Hoare annotation was computed. [2020-07-07 10:43:26,596 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 960 968) the Hoare annotation is: true [2020-07-07 10:43:26,596 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 960 968) no Hoare annotation was computed. [2020-07-07 10:43:26,596 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:26,597 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:26,597 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:26,597 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:26,598 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-07-07 10:43:26,598 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-07-07 10:43:26,599 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 1 main_~tmp~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:26,599 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 1 main_~tmp~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:26,599 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-07-07 10:43:26,599 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-07-07 10:43:26,599 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-07 10:43:26,599 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-07 10:43:26,599 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-07 10:43:26,599 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-07 10:43:26,600 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-07 10:43:26,600 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-07 10:43:26,600 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-07 10:43:26,600 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-07 10:43:26,600 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-07 10:43:26,600 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-07 10:43:26,600 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-07 10:43:26,600 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-07 10:43:26,600 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-07 10:43:26,600 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-07 10:43:26,600 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-07 10:43:26,600 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-07 10:43:26,600 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-07 10:43:26,601 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-07 10:43:26,601 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 476 484) no Hoare annotation was computed. [2020-07-07 10:43:26,601 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 476 484) the Hoare annotation is: true [2020-07-07 10:43:26,601 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 476 484) no Hoare annotation was computed. [2020-07-07 10:43:26,601 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 540 558) the Hoare annotation is: true [2020-07-07 10:43:26,601 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 540 558) no Hoare annotation was computed. [2020-07-07 10:43:26,601 INFO L268 CegarLoopResult]: For program point L549(lines 549 553) no Hoare annotation was computed. [2020-07-07 10:43:26,601 INFO L271 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: true [2020-07-07 10:43:26,601 INFO L268 CegarLoopResult]: For program point L549-2(lines 549 553) no Hoare annotation was computed. [2020-07-07 10:43:26,601 INFO L268 CegarLoopResult]: For program point L547-1(line 547) no Hoare annotation was computed. [2020-07-07 10:43:26,601 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 540 558) no Hoare annotation was computed. [2020-07-07 10:43:26,601 INFO L268 CegarLoopResult]: For program point L504(lines 504 512) no Hoare annotation was computed. [2020-07-07 10:43:26,601 INFO L268 CegarLoopResult]: For program point L504-2(lines 504 512) no Hoare annotation was computed. [2020-07-07 10:43:26,601 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 485 520) no Hoare annotation was computed. [2020-07-07 10:43:26,602 INFO L268 CegarLoopResult]: For program point L492(lines 492 500) no Hoare annotation was computed. [2020-07-07 10:43:26,602 INFO L268 CegarLoopResult]: For program point L492-2(lines 492 500) no Hoare annotation was computed. [2020-07-07 10:43:26,602 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 485 520) no Hoare annotation was computed. [2020-07-07 10:43:26,602 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-07 10:43:26,602 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 485 520) no Hoare annotation was computed. [2020-07-07 10:43:26,602 INFO L268 CegarLoopResult]: For program point L515-1(line 515) no Hoare annotation was computed. [2020-07-07 10:43:26,602 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 946 952) no Hoare annotation was computed. [2020-07-07 10:43:26,602 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 946 952) the Hoare annotation is: true [2020-07-07 10:43:26,602 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 566 611) no Hoare annotation was computed. [2020-07-07 10:43:26,602 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 566 611) no Hoare annotation was computed. [2020-07-07 10:43:26,602 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 566 611) no Hoare annotation was computed. [2020-07-07 10:43:26,602 INFO L268 CegarLoopResult]: For program point L893(lines 893 913) no Hoare annotation was computed. [2020-07-07 10:43:26,602 INFO L268 CegarLoopResult]: For program point L893-1(lines 893 913) no Hoare annotation was computed. [2020-07-07 10:43:26,602 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 879 924) no Hoare annotation was computed. [2020-07-07 10:43:26,603 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 879 924) no Hoare annotation was computed. [2020-07-07 10:43:26,603 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 879 924) no Hoare annotation was computed. [2020-07-07 10:43:26,603 INFO L268 CegarLoopResult]: For program point L899(lines 899 906) no Hoare annotation was computed. [2020-07-07 10:43:26,603 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:26,603 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:26,603 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-07-07 10:43:26,603 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-07-07 10:43:26,603 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 465 475) no Hoare annotation was computed. [2020-07-07 10:43:26,603 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 465 475) no Hoare annotation was computed. [2020-07-07 10:43:26,603 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 465 475) no Hoare annotation was computed. [2020-07-07 10:43:26,603 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-07 10:43:26,603 INFO L268 CegarLoopResult]: For program point L470-1(line 470) no Hoare annotation was computed. [2020-07-07 10:43:26,604 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 457 464) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:26,604 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 457 464) no Hoare annotation was computed. [2020-07-07 10:43:26,604 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 457 464) no Hoare annotation was computed. [2020-07-07 10:43:26,604 INFO L268 CegarLoopResult]: For program point L235(lines 235 241) no Hoare annotation was computed. [2020-07-07 10:43:26,604 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 231 244) no Hoare annotation was computed. [2020-07-07 10:43:26,604 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 231 244) the Hoare annotation is: true [2020-07-07 10:43:26,604 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 231 244) no Hoare annotation was computed. [2020-07-07 10:43:26,605 INFO L264 CegarLoopResult]: At program point L443(line 443) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse1))) [2020-07-07 10:43:26,605 INFO L268 CegarLoopResult]: For program point L443-1(lines 424 448) no Hoare annotation was computed. [2020-07-07 10:43:26,605 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 424 448) no Hoare annotation was computed. [2020-07-07 10:43:26,605 INFO L264 CegarLoopResult]: At program point L438(line 438) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-07 10:43:26,605 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 424 448) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse1))) [2020-07-07 10:43:26,605 INFO L264 CegarLoopResult]: At program point L434(line 434) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~4)) .cse1))) [2020-07-07 10:43:26,605 INFO L268 CegarLoopResult]: For program point L432(lines 432 440) no Hoare annotation was computed. [2020-07-07 10:43:26,606 INFO L264 CegarLoopResult]: At program point L430(line 430) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-07 10:43:26,606 INFO L268 CegarLoopResult]: For program point L430-1(line 430) no Hoare annotation was computed. [2020-07-07 10:43:26,606 INFO L268 CegarLoopResult]: For program point L428(lines 428 445) no Hoare annotation was computed. [2020-07-07 10:43:26,606 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 390 396) no Hoare annotation was computed. [2020-07-07 10:43:26,606 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 390 396) the Hoare annotation is: true [2020-07-07 10:43:26,606 INFO L264 CegarLoopResult]: At program point testENTRY(lines 296 359) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:26,606 INFO L264 CegarLoopResult]: At program point L318(line 318) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (< 1 ~waterLevel~0) (<= 1 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)))) [2020-07-07 10:43:26,606 INFO L264 CegarLoopResult]: At program point L349(lines 306 351) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (< 1 ~waterLevel~0) (<= 1 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)))) [2020-07-07 10:43:26,607 INFO L268 CegarLoopResult]: For program point L316(lines 316 322) no Hoare annotation was computed. [2020-07-07 10:43:26,607 INFO L268 CegarLoopResult]: For program point L316-1(lines 316 322) no Hoare annotation was computed. [2020-07-07 10:43:26,607 INFO L268 CegarLoopResult]: For program point testFINAL(lines 296 359) no Hoare annotation was computed. [2020-07-07 10:43:26,607 INFO L268 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-07-07 10:43:26,607 INFO L264 CegarLoopResult]: At program point L352(lines 305 353) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-07 10:43:26,607 INFO L268 CegarLoopResult]: For program point L342(lines 342 346) no Hoare annotation was computed. [2020-07-07 10:43:26,607 INFO L264 CegarLoopResult]: At program point L342-2(lines 336 347) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 2 ~waterLevel~0) .cse0 (<= 1 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)))) [2020-07-07 10:43:26,607 INFO L268 CegarLoopResult]: For program point L307(lines 306 351) no Hoare annotation was computed. [2020-07-07 10:43:26,608 INFO L268 CegarLoopResult]: For program point L336(lines 336 347) no Hoare annotation was computed. [2020-07-07 10:43:26,608 INFO L264 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methAndRunningLastTime~0) .cse0 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 2 ~waterLevel~0) .cse0 (<= 1 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-07 10:43:26,608 INFO L268 CegarLoopResult]: For program point L326(lines 326 332) no Hoare annotation was computed. [2020-07-07 10:43:26,608 INFO L268 CegarLoopResult]: For program point L326-1(lines 326 332) no Hoare annotation was computed. [2020-07-07 10:43:26,608 INFO L268 CegarLoopResult]: For program point testEXIT(lines 296 359) no Hoare annotation was computed. [2020-07-07 10:43:26,608 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 833 878) no Hoare annotation was computed. [2020-07-07 10:43:26,608 INFO L268 CegarLoopResult]: For program point L853(lines 853 860) no Hoare annotation was computed. [2020-07-07 10:43:26,608 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 833 878) no Hoare annotation was computed. [2020-07-07 10:43:26,608 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 833 878) no Hoare annotation was computed. [2020-07-07 10:43:26,609 INFO L268 CegarLoopResult]: For program point L847(lines 847 867) no Hoare annotation was computed. [2020-07-07 10:43:26,609 INFO L268 CegarLoopResult]: For program point L847-1(lines 847 867) no Hoare annotation was computed. [2020-07-07 10:43:26,609 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 245 253) no Hoare annotation was computed. [2020-07-07 10:43:26,609 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 245 253) the Hoare annotation is: true [2020-07-07 10:43:26,609 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 245 253) no Hoare annotation was computed. [2020-07-07 10:43:26,609 INFO L264 CegarLoopResult]: At program point L281(line 281) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0)) .cse0) (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) .cse0))) [2020-07-07 10:43:26,609 INFO L268 CegarLoopResult]: For program point L279(lines 279 285) no Hoare annotation was computed. [2020-07-07 10:43:26,609 INFO L268 CegarLoopResult]: For program point L278(lines 278 288) no Hoare annotation was computed. [2020-07-07 10:43:26,610 INFO L264 CegarLoopResult]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 1 ~waterLevel~0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (= 0 ~methAndRunningLastTime~0) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse5 .cse1 .cse2 .cse3) (or .cse4 .cse6 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse3))) [2020-07-07 10:43:26,610 INFO L268 CegarLoopResult]: For program point L276-1(line 276) no Hoare annotation was computed. [2020-07-07 10:43:26,610 INFO L268 CegarLoopResult]: For program point L274(lines 274 291) no Hoare annotation was computed. [2020-07-07 10:43:26,610 INFO L268 CegarLoopResult]: For program point L274-1(lines 266 294) no Hoare annotation was computed. [2020-07-07 10:43:26,610 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 266 294) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0)) .cse0) (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse0))) [2020-07-07 10:43:26,610 INFO L264 CegarLoopResult]: At program point L272(line 272) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0)) .cse0) (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse0))) [2020-07-07 10:43:26,610 INFO L268 CegarLoopResult]: For program point L272-1(line 272) no Hoare annotation was computed. [2020-07-07 10:43:26,610 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 266 294) no Hoare annotation was computed. [2020-07-07 10:43:26,611 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 258 265) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:26,611 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 258 265) no Hoare annotation was computed. [2020-07-07 10:43:26,611 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 258 265) no Hoare annotation was computed. [2020-07-07 10:43:26,611 INFO L268 CegarLoopResult]: For program point L207(lines 207 215) no Hoare annotation was computed. [2020-07-07 10:43:26,611 INFO L268 CegarLoopResult]: For program point L207-2(lines 207 215) no Hoare annotation was computed. [2020-07-07 10:43:26,611 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 199 221) no Hoare annotation was computed. [2020-07-07 10:43:26,611 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 199 221) no Hoare annotation was computed. [2020-07-07 10:43:26,611 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 199 221) no Hoare annotation was computed. [2020-07-07 10:43:26,611 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 730 832) no Hoare annotation was computed. [2020-07-07 10:43:26,611 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-07-07 10:43:26,611 INFO L268 CegarLoopResult]: For program point L795-1(line 795) no Hoare annotation was computed. [2020-07-07 10:43:26,612 INFO L268 CegarLoopResult]: For program point L754(lines 754 758) no Hoare annotation was computed. [2020-07-07 10:43:26,612 INFO L268 CegarLoopResult]: For program point L818(lines 818 829) no Hoare annotation was computed. [2020-07-07 10:43:26,612 INFO L268 CegarLoopResult]: For program point L781(lines 781 785) no Hoare annotation was computed. [2020-07-07 10:43:26,612 INFO L268 CegarLoopResult]: For program point L779-2(lines 779 799) no Hoare annotation was computed. [2020-07-07 10:43:26,612 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 730 832) no Hoare annotation was computed. [2020-07-07 10:43:26,612 INFO L268 CegarLoopResult]: For program point L800(lines 778 801) no Hoare annotation was computed. [2020-07-07 10:43:26,612 INFO L268 CegarLoopResult]: For program point L759(lines 759 775) no Hoare annotation was computed. [2020-07-07 10:43:26,612 INFO L268 CegarLoopResult]: For program point L819(lines 819 826) no Hoare annotation was computed. [2020-07-07 10:43:26,612 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 730 832) no Hoare annotation was computed. [2020-07-07 10:43:26,612 INFO L268 CegarLoopResult]: For program point L780(lines 779 799) no Hoare annotation was computed. [2020-07-07 10:43:26,613 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-07-07 10:43:26,613 INFO L268 CegarLoopResult]: For program point L811-1(line 811) no Hoare annotation was computed. [2020-07-07 10:43:26,613 INFO L268 CegarLoopResult]: For program point L776(lines 776 817) no Hoare annotation was computed. [2020-07-07 10:43:26,613 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 936 945) no Hoare annotation was computed. [2020-07-07 10:43:26,614 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 936 945) no Hoare annotation was computed. [2020-07-07 10:43:26,614 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 936 945) no Hoare annotation was computed. [2020-07-07 10:43:26,614 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:43:26,614 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |old(#t~string65.base)| |#t~string65.base|) (= |old(~head~0.base)| ~head~0.base) (= |old(#t~string61.base)| |#t~string61.base|) (= |old(#t~string33.base)| |#t~string33.base|) (= |old(#t~string70.offset)| |#t~string70.offset|) (= |old(#t~string66.offset)| |#t~string66.offset|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |old(#t~string68.offset)| |#t~string68.offset|) (= |#t~string6.base| |old(#t~string6.base)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |old(#t~string60.base)| |#t~string60.base|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |old(#t~string29.offset)| |#t~string29.offset|) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |old(#t~string69.offset)| |#t~string69.offset|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |old(#t~string61.offset)| |#t~string61.offset|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |old(#t~string23.base)| |#t~string23.base|) (= |old(#t~string33.offset)| |#t~string33.offset|) (= |old(#t~string31.base)| |#t~string31.base|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |old(#t~string25.base)| |#t~string25.base|) (= |old(#t~string29.base)| |#t~string29.base|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string57.base)| |#t~string57.base|) (= |old(#t~string2.base)| |#t~string2.base|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#t~string8.offset)| |#t~string8.offset|) (= |old(#length)| |#length|) (= |old(#t~string58.offset)| |#t~string58.offset|) (= |old(#t~string66.base)| |#t~string66.base|) (= |#t~string10.base| |old(#t~string10.base)|) (= |old(#t~string70.base)| |#t~string70.base|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |#t~string21.base| |old(#t~string21.base)|) (= |old(#t~string31.offset)| |#t~string31.offset|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-07 10:43:26,614 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:43:26,614 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 449 456) no Hoare annotation was computed. [2020-07-07 10:43:26,614 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 449 456) no Hoare annotation was computed. [2020-07-07 10:43:26,615 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 449 456) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:26,615 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 222 230) no Hoare annotation was computed. [2020-07-07 10:43:26,615 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 222 230) no Hoare annotation was computed. [2020-07-07 10:43:26,615 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 222 230) no Hoare annotation was computed. [2020-07-07 10:43:26,615 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 521 539) no Hoare annotation was computed. [2020-07-07 10:43:26,615 INFO L271 CegarLoopResult]: At program point L528(line 528) the Hoare annotation is: true [2020-07-07 10:43:26,615 INFO L268 CegarLoopResult]: For program point L530-2(lines 530 534) no Hoare annotation was computed. [2020-07-07 10:43:26,615 INFO L268 CegarLoopResult]: For program point L528-1(line 528) no Hoare annotation was computed. [2020-07-07 10:43:26,615 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 521 539) the Hoare annotation is: true [2020-07-07 10:43:26,616 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 521 539) no Hoare annotation was computed. [2020-07-07 10:43:26,616 INFO L268 CegarLoopResult]: For program point L530(lines 530 534) no Hoare annotation was computed. [2020-07-07 10:43:26,616 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 178 189) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2020-07-07 10:43:26,616 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 178 189) no Hoare annotation was computed. [2020-07-07 10:43:26,616 INFO L268 CegarLoopResult]: For program point L182-1(lines 178 189) no Hoare annotation was computed. [2020-07-07 10:43:26,616 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:43:26,616 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:43:26,616 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:43:26,616 INFO L264 CegarLoopResult]: At program point L379(line 379) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) .cse0))) [2020-07-07 10:43:26,617 INFO L264 CegarLoopResult]: At program point L377(lines 377 383) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse2 (and (= 0 ~methAndRunningLastTime~0) .cse7 .cse5)) (.cse6 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 (not (<= 1 |old(~waterLevel~0)|)) .cse3) (or .cse0 .cse1 .cse4 (and .cse5 .cse6 (<= 1 ~pumpRunning~0)) .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse7 .cse6) .cse4 .cse3)))) [2020-07-07 10:43:26,617 INFO L264 CegarLoopResult]: At program point L372(line 372) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse0))) [2020-07-07 10:43:26,617 INFO L268 CegarLoopResult]: For program point L370(lines 369 388) no Hoare annotation was computed. [2020-07-07 10:43:26,617 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 366 389) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)) .cse1))) [2020-07-07 10:43:26,617 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 366 389) no Hoare annotation was computed. [2020-07-07 10:43:26,617 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 366 389) no Hoare annotation was computed. [2020-07-07 10:43:26,617 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-07 10:43:26,618 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-07 10:43:26,618 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-07 10:43:26,618 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-07 10:43:26,618 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-07 10:43:26,618 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-07 10:43:26,618 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-07 10:43:26,618 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-07 10:43:26,618 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-07 10:43:26,618 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-07 10:43:26,618 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 190 198) the Hoare annotation is: true [2020-07-07 10:43:26,619 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 190 198) no Hoare annotation was computed. [2020-07-07 10:43:26,619 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 190 198) no Hoare annotation was computed. [2020-07-07 10:43:26,619 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 154 165) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (<= 2 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:26,619 INFO L268 CegarLoopResult]: For program point L158-1(lines 154 165) no Hoare annotation was computed. [2020-07-07 10:43:26,619 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 154 165) no Hoare annotation was computed. [2020-07-07 10:43:26,619 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-07 10:43:26,619 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-07 10:43:26,619 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:43:26,619 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2020-07-07 10:43:26,619 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:43:26,620 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:43:26,620 INFO L264 CegarLoopResult]: At program point L417(line 417) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:26,620 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 398 422) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:26,620 INFO L268 CegarLoopResult]: For program point L417-1(lines 398 422) no Hoare annotation was computed. [2020-07-07 10:43:26,620 INFO L264 CegarLoopResult]: At program point L412(line 412) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:26,620 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 398 422) no Hoare annotation was computed. [2020-07-07 10:43:26,620 INFO L264 CegarLoopResult]: At program point L408(line 408) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) (and (< 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:26,620 INFO L268 CegarLoopResult]: For program point L406(lines 406 414) no Hoare annotation was computed. [2020-07-07 10:43:26,620 INFO L264 CegarLoopResult]: At program point L404(line 404) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:26,620 INFO L268 CegarLoopResult]: For program point L404-1(line 404) no Hoare annotation was computed. [2020-07-07 10:43:26,620 INFO L268 CegarLoopResult]: For program point L402(lines 402 419) no Hoare annotation was computed. [2020-07-07 10:43:26,620 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 166 177) no Hoare annotation was computed. [2020-07-07 10:43:26,620 INFO L268 CegarLoopResult]: For program point L170-1(lines 166 177) no Hoare annotation was computed. [2020-07-07 10:43:26,621 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 166 177) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (<= 1 ~pumpRunning~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-07-07 10:43:26,621 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 926 933) no Hoare annotation was computed. [2020-07-07 10:43:26,621 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2020-07-07 10:43:26,621 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 926 933) the Hoare annotation is: true [2020-07-07 10:43:26,621 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 926 933) no Hoare annotation was computed. [2020-07-07 10:43:26,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:43:26 BoogieIcfgContainer [2020-07-07 10:43:26,638 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:43:26,640 INFO L168 Benchmark]: Toolchain (without parser) took 68841.65 ms. Allocated memory was 138.4 MB in the beginning and 997.7 MB in the end (delta: 859.3 MB). Free memory was 101.0 MB in the beginning and 550.6 MB in the end (delta: -449.7 MB). Peak memory consumption was 878.7 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:26,640 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-07 10:43:26,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.87 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 100.6 MB in the beginning and 171.7 MB in the end (delta: -71.1 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:26,641 INFO L168 Benchmark]: Boogie Preprocessor took 91.61 ms. Allocated memory is still 203.9 MB. Free memory was 171.7 MB in the beginning and 167.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:26,642 INFO L168 Benchmark]: RCFGBuilder took 1145.50 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 167.7 MB in the beginning and 197.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:26,643 INFO L168 Benchmark]: TraceAbstraction took 66951.42 ms. Allocated memory was 237.0 MB in the beginning and 997.7 MB in the end (delta: 760.7 MB). Free memory was 197.1 MB in the beginning and 550.6 MB in the end (delta: -353.5 MB). Peak memory consumption was 876.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:26,645 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 645.87 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 100.6 MB in the beginning and 171.7 MB in the end (delta: -71.1 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.61 ms. Allocated memory is still 203.9 MB. Free memory was 171.7 MB in the beginning and 167.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1145.50 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 167.7 MB in the beginning and 197.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 66951.42 ms. Allocated memory was 237.0 MB in the beginning and 997.7 MB in the end (delta: 760.7 MB). Free memory was 197.1 MB in the beginning and 550.6 MB in the end (delta: -353.5 MB). Peak memory consumption was 876.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 930]: 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: 305]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || !(1 == systemActive)) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || ((0 == splverifierCounter && 1 < waterLevel) && 1 <= pumpRunning)) || !(1 <= \old(waterLevel))) || !(1 == systemActive)) || (((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 39.7s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 29.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 27.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1684 SDtfs, 3545 SDslu, 2106 SDs, 0 SdLazy, 6954 SolverSat, 2313 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1086 GetRequests, 871 SyntacticMatches, 5 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 809 ImplicationChecksByTransitivity, 11.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1612occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 1534 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 2757 PreInvPairs, 2833 NumberOfFragments, 1670 HoareAnnotationTreeSize, 2757 FomulaSimplifications, 1995527728 FormulaSimplificationTreeSizeReduction, 6.5s HoareSimplificationTime, 60 FomulaSimplificationsInter, 62267882 FormulaSimplificationTreeSizeReductionInter, 20.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 1662 NumberOfCodeBlocks, 1662 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1646 ConstructedInterpolants, 0 QuantifiedInterpolants, 535469 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2718 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 235/248 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...