/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:38:53,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:38:53,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:38:53,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:38:53,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:38:53,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:38:53,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:38:53,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:38:53,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:38:53,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:38:53,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:38:53,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:38:53,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:38:53,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:38:53,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:38:53,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:38:53,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:38:53,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:38:53,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:38:53,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:38:53,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:38:53,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:38:53,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:38:53,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:38:53,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:38:53,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:38:53,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:38:53,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:38:53,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:38:53,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:38:53,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:38:53,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:38:53,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:38:53,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:38:53,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:38:53,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:38:53,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:38:53,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:38:53,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:38:53,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:38:53,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:38:53,653 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 [2020-07-21 10:38:53,667 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:38:53,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:38:53,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:38:53,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:38:53,669 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:38:53,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:38:53,670 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:38:53,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:38:53,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:38:53,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:38:53,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:38:53,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:38:53,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:38:53,671 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:38:53,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:38:53,671 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:38:53,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:38:53,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:38:53,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:38:53,672 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:38:53,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:38:53,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:38:53,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:38:53,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:38:53,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:38:53,673 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:38:53,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:53,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:38:53,674 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:38:53,674 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 10:38:53,983 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:38:53,996 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:38:53,999 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:38:54,001 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:38:54,001 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:38:54,002 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2020-07-21 10:38:54,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a507c9e35/5ecc9f74ad52468f89a7193a5586ce4e/FLAG2ca70a357 [2020-07-21 10:38:54,513 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:38:54,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2020-07-21 10:38:54,528 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a507c9e35/5ecc9f74ad52468f89a7193a5586ce4e/FLAG2ca70a357 [2020-07-21 10:38:54,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a507c9e35/5ecc9f74ad52468f89a7193a5586ce4e [2020-07-21 10:38:54,838 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:38:54,841 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:38:54,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:38:54,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:38:54,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:38:54,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:38:54" (1/1) ... [2020-07-21 10:38:54,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cfb8da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:54, skipping insertion in model container [2020-07-21 10:38:54,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:38:54" (1/1) ... [2020-07-21 10:38:54,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:38:54,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:38:55,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:38:55,291 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:38:55,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:38:55,555 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:38:55,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:55 WrapperNode [2020-07-21 10:38:55,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:38:55,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:38:55,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:38:55,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:38:55,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:55" (1/1) ... [2020-07-21 10:38:55,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:55" (1/1) ... [2020-07-21 10:38:55,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:55" (1/1) ... [2020-07-21 10:38:55,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:55" (1/1) ... [2020-07-21 10:38:55,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:55" (1/1) ... [2020-07-21 10:38:55,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:55" (1/1) ... [2020-07-21 10:38:55,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:55" (1/1) ... [2020-07-21 10:38:55,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:38:55,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:38:55,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:38:55,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:38:55,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:38:55,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:38:55,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:38:55,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:38:55,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:38:55,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:38:55,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:38:55,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:38:55,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:38:55,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:38:55,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:38:55,732 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:38:55,732 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:38:55,732 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:38:55,732 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 10:38:55,733 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:38:55,733 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-21 10:38:55,733 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:38:55,733 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:38:55,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:38:55,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:38:55,734 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:38:55,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 10:38:55,734 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 10:38:55,734 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 10:38:55,734 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:38:55,734 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:38:55,735 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:38:55,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:38:55,735 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:38:55,735 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:38:55,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 10:38:55,735 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:38:55,736 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:38:55,736 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:38:55,736 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:38:55,736 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:38:55,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:38:55,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:38:55,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:38:55,737 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:38:55,737 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:38:55,737 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:38:55,737 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:38:55,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:38:55,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:38:55,738 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:38:55,738 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:38:55,738 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:38:55,738 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:38:55,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:38:55,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:38:55,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:38:55,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:38:55,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:38:55,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:38:55,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:38:55,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:38:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:38:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:38:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:38:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:38:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:38:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:38:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:38:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:38:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:38:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 10:38:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 10:38:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:38:55,742 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:38:55,742 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:38:55,742 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:38:55,742 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:38:55,742 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:38:55,742 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 10:38:55,743 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:38:55,743 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:38:55,743 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:38:55,743 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:38:55,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:38:55,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:38:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:38:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:38:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 10:38:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 10:38:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:38:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-21 10:38:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:38:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:38:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:38:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:38:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:38:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:38:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:38:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:38:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:38:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:38:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:38:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:38:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:38:56,909 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:38:56,909 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:38:56,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:38:56 BoogieIcfgContainer [2020-07-21 10:38:56,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:38:56,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:38:56,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:38:56,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:38:56,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:38:54" (1/3) ... [2020-07-21 10:38:56,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4150e0ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:38:56, skipping insertion in model container [2020-07-21 10:38:56,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:55" (2/3) ... [2020-07-21 10:38:56,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4150e0ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:38:56, skipping insertion in model container [2020-07-21 10:38:56,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:38:56" (3/3) ... [2020-07-21 10:38:56,924 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2020-07-21 10:38:56,936 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:38:56,944 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:38:56,960 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:38:56,986 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:38:56,987 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:38:56,987 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:38:56,987 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:38:56,988 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:38:56,988 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:38:56,988 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:38:56,989 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:38:57,026 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-07-21 10:38:57,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 10:38:57,043 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:57,045 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:57,045 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:57,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:57,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1391539258, now seen corresponding path program 1 times [2020-07-21 10:38:57,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:57,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [36016555] [2020-07-21 10:38:57,064 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:57,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:38:57,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:57,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:38:57,424 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:57,425 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [36016555] [2020-07-21 10:38:57,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:57,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:38:57,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699691241] [2020-07-21 10:38:57,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:38:57,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:57,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:38:57,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:38:57,451 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 2 states. [2020-07-21 10:38:57,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:57,497 INFO L93 Difference]: Finished difference Result 302 states and 373 transitions. [2020-07-21 10:38:57,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:38:57,498 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 10:38:57,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:57,513 INFO L225 Difference]: With dead ends: 302 [2020-07-21 10:38:57,514 INFO L226 Difference]: Without dead ends: 153 [2020-07-21 10:38:57,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:38:57,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-21 10:38:57,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2020-07-21 10:38:57,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-21 10:38:57,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 180 transitions. [2020-07-21 10:38:57,581 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 180 transitions. Word has length 59 [2020-07-21 10:38:57,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:57,582 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 180 transitions. [2020-07-21 10:38:57,582 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:38:57,582 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2020-07-21 10:38:57,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 10:38:57,586 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:57,586 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:57,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:57,802 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:57,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:57,802 INFO L82 PathProgramCache]: Analyzing trace with hash 404948371, now seen corresponding path program 1 times [2020-07-21 10:38:57,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:57,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [985557369] [2020-07-21 10:38:57,803 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:58,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:38:58,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:58,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:38:58,118 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:58,119 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [985557369] [2020-07-21 10:38:58,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:58,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:38:58,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60195547] [2020-07-21 10:38:58,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:38:58,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:58,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:38:58,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:58,122 INFO L87 Difference]: Start difference. First operand 153 states and 180 transitions. Second operand 3 states. [2020-07-21 10:38:58,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:58,145 INFO L93 Difference]: Finished difference Result 241 states and 283 transitions. [2020-07-21 10:38:58,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:38:58,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 10:38:58,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:58,149 INFO L225 Difference]: With dead ends: 241 [2020-07-21 10:38:58,149 INFO L226 Difference]: Without dead ends: 144 [2020-07-21 10:38:58,151 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:58,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-21 10:38:58,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-07-21 10:38:58,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-21 10:38:58,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2020-07-21 10:38:58,167 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 60 [2020-07-21 10:38:58,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:58,167 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2020-07-21 10:38:58,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:38:58,167 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2020-07-21 10:38:58,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-21 10:38:58,170 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:58,170 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:58,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:58,385 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:58,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:58,385 INFO L82 PathProgramCache]: Analyzing trace with hash 539093391, now seen corresponding path program 1 times [2020-07-21 10:38:58,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:58,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107354553] [2020-07-21 10:38:58,386 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:58,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:38:58,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:58,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:58,624 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:58,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2107354553] [2020-07-21 10:38:58,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:58,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:38:58,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125829544] [2020-07-21 10:38:58,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:38:58,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:58,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:38:58,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:58,627 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 3 states. [2020-07-21 10:38:58,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:58,656 INFO L93 Difference]: Finished difference Result 372 states and 447 transitions. [2020-07-21 10:38:58,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:38:58,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-21 10:38:58,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:58,660 INFO L225 Difference]: With dead ends: 372 [2020-07-21 10:38:58,660 INFO L226 Difference]: Without dead ends: 256 [2020-07-21 10:38:58,661 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:58,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-07-21 10:38:58,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 250. [2020-07-21 10:38:58,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-07-21 10:38:58,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 299 transitions. [2020-07-21 10:38:58,717 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 299 transitions. Word has length 65 [2020-07-21 10:38:58,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:58,717 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 299 transitions. [2020-07-21 10:38:58,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:38:58,719 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 299 transitions. [2020-07-21 10:38:58,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-21 10:38:58,728 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:58,728 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:58,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:58,946 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:58,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:58,946 INFO L82 PathProgramCache]: Analyzing trace with hash -652418830, now seen corresponding path program 1 times [2020-07-21 10:38:58,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:58,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1242623431] [2020-07-21 10:38:58,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:59,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:59,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:38:59,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:59,195 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:59,195 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:59,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1242623431] [2020-07-21 10:38:59,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:59,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:38:59,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127427847] [2020-07-21 10:38:59,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:38:59,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:59,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:38:59,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:38:59,197 INFO L87 Difference]: Start difference. First operand 250 states and 299 transitions. Second operand 6 states. [2020-07-21 10:38:59,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:59,493 INFO L93 Difference]: Finished difference Result 616 states and 763 transitions. [2020-07-21 10:38:59,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 10:38:59,493 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-21 10:38:59,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:59,498 INFO L225 Difference]: With dead ends: 616 [2020-07-21 10:38:59,498 INFO L226 Difference]: Without dead ends: 394 [2020-07-21 10:38:59,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:38:59,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-07-21 10:38:59,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 384. [2020-07-21 10:38:59,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2020-07-21 10:38:59,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 457 transitions. [2020-07-21 10:38:59,535 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 457 transitions. Word has length 70 [2020-07-21 10:38:59,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:59,535 INFO L479 AbstractCegarLoop]: Abstraction has 384 states and 457 transitions. [2020-07-21 10:38:59,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:38:59,536 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 457 transitions. [2020-07-21 10:38:59,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-21 10:38:59,542 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:59,543 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:59,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:59,758 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:59,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:59,758 INFO L82 PathProgramCache]: Analyzing trace with hash -918633805, now seen corresponding path program 1 times [2020-07-21 10:38:59,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:59,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1999551000] [2020-07-21 10:38:59,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:59,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 10:38:59,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:59,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:59,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:59,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1999551000] [2020-07-21 10:38:59,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:59,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:38:59,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397095534] [2020-07-21 10:38:59,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:38:59,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:59,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:38:59,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:59,985 INFO L87 Difference]: Start difference. First operand 384 states and 457 transitions. Second operand 3 states. [2020-07-21 10:39:00,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:00,036 INFO L93 Difference]: Finished difference Result 1088 states and 1377 transitions. [2020-07-21 10:39:00,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:00,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-07-21 10:39:00,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:00,043 INFO L225 Difference]: With dead ends: 1088 [2020-07-21 10:39:00,043 INFO L226 Difference]: Without dead ends: 732 [2020-07-21 10:39:00,045 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:00,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2020-07-21 10:39:00,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 729. [2020-07-21 10:39:00,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2020-07-21 10:39:00,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 904 transitions. [2020-07-21 10:39:00,141 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 904 transitions. Word has length 108 [2020-07-21 10:39:00,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:00,141 INFO L479 AbstractCegarLoop]: Abstraction has 729 states and 904 transitions. [2020-07-21 10:39:00,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:00,142 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 904 transitions. [2020-07-21 10:39:00,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-21 10:39:00,146 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:00,146 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:00,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:00,350 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:00,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:00,351 INFO L82 PathProgramCache]: Analyzing trace with hash 203164686, now seen corresponding path program 1 times [2020-07-21 10:39:00,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:00,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1481814322] [2020-07-21 10:39:00,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:00,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-21 10:39:00,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:00,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:00,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:00,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1481814322] [2020-07-21 10:39:00,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:00,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:39:00,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065195374] [2020-07-21 10:39:00,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:39:00,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:00,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:39:00,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:39:00,611 INFO L87 Difference]: Start difference. First operand 729 states and 904 transitions. Second operand 6 states. [2020-07-21 10:39:01,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:01,762 INFO L93 Difference]: Finished difference Result 2407 states and 3190 transitions. [2020-07-21 10:39:01,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 10:39:01,763 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2020-07-21 10:39:01,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:01,776 INFO L225 Difference]: With dead ends: 2407 [2020-07-21 10:39:01,776 INFO L226 Difference]: Without dead ends: 1706 [2020-07-21 10:39:01,779 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-21 10:39:01,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2020-07-21 10:39:01,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1582. [2020-07-21 10:39:01,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1582 states. [2020-07-21 10:39:01,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2032 transitions. [2020-07-21 10:39:01,883 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2032 transitions. Word has length 112 [2020-07-21 10:39:01,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:01,884 INFO L479 AbstractCegarLoop]: Abstraction has 1582 states and 2032 transitions. [2020-07-21 10:39:01,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:39:01,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2032 transitions. [2020-07-21 10:39:01,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-21 10:39:01,887 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:01,887 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:02,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:02,101 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:02,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:02,102 INFO L82 PathProgramCache]: Analyzing trace with hash -678093676, now seen corresponding path program 1 times [2020-07-21 10:39:02,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:02,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1176298404] [2020-07-21 10:39:02,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:02,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:39:02,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:02,335 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:02,336 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:02,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1176298404] [2020-07-21 10:39:02,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:02,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:39:02,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116288467] [2020-07-21 10:39:02,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:39:02,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:02,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:39:02,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:39:02,339 INFO L87 Difference]: Start difference. First operand 1582 states and 2032 transitions. Second operand 6 states. [2020-07-21 10:39:02,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:02,424 INFO L93 Difference]: Finished difference Result 3178 states and 4298 transitions. [2020-07-21 10:39:02,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:39:02,424 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2020-07-21 10:39:02,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:02,434 INFO L225 Difference]: With dead ends: 3178 [2020-07-21 10:39:02,435 INFO L226 Difference]: Without dead ends: 1624 [2020-07-21 10:39:02,440 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:39:02,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2020-07-21 10:39:02,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1612. [2020-07-21 10:39:02,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1612 states. [2020-07-21 10:39:02,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1612 states and 2070 transitions. [2020-07-21 10:39:02,526 INFO L78 Accepts]: Start accepts. Automaton has 1612 states and 2070 transitions. Word has length 108 [2020-07-21 10:39:02,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:02,526 INFO L479 AbstractCegarLoop]: Abstraction has 1612 states and 2070 transitions. [2020-07-21 10:39:02,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:39:02,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 2070 transitions. [2020-07-21 10:39:02,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-21 10:39:02,529 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:02,529 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:02,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:02,744 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:02,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:02,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1250179026, now seen corresponding path program 1 times [2020-07-21 10:39:02,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:02,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1570723913] [2020-07-21 10:39:02,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:02,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 10:39:02,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:02,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:02,989 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:02,989 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1570723913] [2020-07-21 10:39:02,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:02,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 10:39:02,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627956325] [2020-07-21 10:39:02,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 10:39:02,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:02,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 10:39:02,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:39:02,992 INFO L87 Difference]: Start difference. First operand 1612 states and 2070 transitions. Second operand 5 states. [2020-07-21 10:39:03,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:03,079 INFO L93 Difference]: Finished difference Result 2982 states and 3930 transitions. [2020-07-21 10:39:03,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 10:39:03,080 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2020-07-21 10:39:03,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:03,089 INFO L225 Difference]: With dead ends: 2982 [2020-07-21 10:39:03,089 INFO L226 Difference]: Without dead ends: 1398 [2020-07-21 10:39:03,095 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:39:03,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1398 states. [2020-07-21 10:39:03,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1398 to 1398. [2020-07-21 10:39:03,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1398 states. [2020-07-21 10:39:03,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 1772 transitions. [2020-07-21 10:39:03,173 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 1772 transitions. Word has length 108 [2020-07-21 10:39:03,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:03,173 INFO L479 AbstractCegarLoop]: Abstraction has 1398 states and 1772 transitions. [2020-07-21 10:39:03,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 10:39:03,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1772 transitions. [2020-07-21 10:39:03,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-21 10:39:03,177 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:03,177 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:03,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:03,393 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:03,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:03,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1890897259, now seen corresponding path program 1 times [2020-07-21 10:39:03,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:03,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [254737497] [2020-07-21 10:39:03,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:03,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 10:39:03,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:03,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:03,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:03,682 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [254737497] [2020-07-21 10:39:03,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:03,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 10:39:03,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674961867] [2020-07-21 10:39:03,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 10:39:03,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:03,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 10:39:03,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 10:39:03,684 INFO L87 Difference]: Start difference. First operand 1398 states and 1772 transitions. Second operand 10 states. [2020-07-21 10:39:05,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:05,465 INFO L93 Difference]: Finished difference Result 3565 states and 4989 transitions. [2020-07-21 10:39:05,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-21 10:39:05,466 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 112 [2020-07-21 10:39:05,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:05,496 INFO L225 Difference]: With dead ends: 3565 [2020-07-21 10:39:05,497 INFO L226 Difference]: Without dead ends: 2195 [2020-07-21 10:39:05,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-21 10:39:05,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2195 states. [2020-07-21 10:39:05,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2195 to 1539. [2020-07-21 10:39:05,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1539 states. [2020-07-21 10:39:05,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1539 states and 1890 transitions. [2020-07-21 10:39:05,642 INFO L78 Accepts]: Start accepts. Automaton has 1539 states and 1890 transitions. Word has length 112 [2020-07-21 10:39:05,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:05,643 INFO L479 AbstractCegarLoop]: Abstraction has 1539 states and 1890 transitions. [2020-07-21 10:39:05,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 10:39:05,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 1890 transitions. [2020-07-21 10:39:05,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-07-21 10:39:05,708 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:05,708 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:05,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:05,909 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:05,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:05,910 INFO L82 PathProgramCache]: Analyzing trace with hash 307281674, now seen corresponding path program 1 times [2020-07-21 10:39:05,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:05,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1109456123] [2020-07-21 10:39:05,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:06,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 10:39:06,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:06,135 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-21 10:39:06,136 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:06,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1109456123] [2020-07-21 10:39:06,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:06,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:06,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282329448] [2020-07-21 10:39:06,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:06,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:06,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:06,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:06,138 INFO L87 Difference]: Start difference. First operand 1539 states and 1890 transitions. Second operand 3 states. [2020-07-21 10:39:06,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:06,282 INFO L93 Difference]: Finished difference Result 2626 states and 3219 transitions. [2020-07-21 10:39:06,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:06,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-07-21 10:39:06,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:06,289 INFO L225 Difference]: With dead ends: 2626 [2020-07-21 10:39:06,290 INFO L226 Difference]: Without dead ends: 1115 [2020-07-21 10:39:06,294 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:06,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2020-07-21 10:39:06,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1082. [2020-07-21 10:39:06,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1082 states. [2020-07-21 10:39:06,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1293 transitions. [2020-07-21 10:39:06,346 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1293 transitions. Word has length 189 [2020-07-21 10:39:06,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:06,347 INFO L479 AbstractCegarLoop]: Abstraction has 1082 states and 1293 transitions. [2020-07-21 10:39:06,347 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:06,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1293 transitions. [2020-07-21 10:39:06,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-21 10:39:06,350 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:06,350 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 10:39:06,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:06,564 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:06,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:06,565 INFO L82 PathProgramCache]: Analyzing trace with hash 828062466, now seen corresponding path program 1 times [2020-07-21 10:39:06,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:06,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [494094071] [2020-07-21 10:39:06,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:06,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:39:06,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:06,880 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:06,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:39:07,331 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-07-21 10:39:07,331 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [494094071] [2020-07-21 10:39:07,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 10:39:07,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 10:39:07,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832059833] [2020-07-21 10:39:07,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 10:39:07,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:07,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 10:39:07,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 10:39:07,333 INFO L87 Difference]: Start difference. First operand 1082 states and 1293 transitions. Second operand 10 states. [2020-07-21 10:39:08,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:08,205 INFO L93 Difference]: Finished difference Result 2384 states and 2872 transitions. [2020-07-21 10:39:08,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 10:39:08,206 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 172 [2020-07-21 10:39:08,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:08,207 INFO L225 Difference]: With dead ends: 2384 [2020-07-21 10:39:08,207 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:39:08,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 331 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-21 10:39:08,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:39:08,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:39:08,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:39:08,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:39:08,242 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2020-07-21 10:39:08,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:08,242 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:39:08,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 10:39:08,242 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:39:08,242 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:39:08,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:08,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:39:10,784 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 32 [2020-07-21 10:39:11,618 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 51 [2020-07-21 10:39:11,723 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2020-07-21 10:39:11,876 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 33 [2020-07-21 10:39:12,386 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2020-07-21 10:39:12,900 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 48 [2020-07-21 10:39:13,114 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2020-07-21 10:39:13,393 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2020-07-21 10:39:13,608 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 28 [2020-07-21 10:39:13,784 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2020-07-21 10:39:13,946 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 30 [2020-07-21 10:39:14,468 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 37 [2020-07-21 10:39:14,684 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-07-21 10:39:15,082 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 41 [2020-07-21 10:39:15,328 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 33 [2020-07-21 10:39:16,180 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 32 [2020-07-21 10:39:16,626 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 34 [2020-07-21 10:39:16,683 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-21 10:39:16,683 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-21 10:39:16,683 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 10:39:16,683 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-21 10:39:16,683 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-21 10:39:16,683 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-21 10:39:16,683 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-21 10:39:16,683 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-21 10:39:16,684 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 10:39:16,684 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-21 10:39:16,684 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-21 10:39:16,684 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-21 10:39:16,684 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-21 10:39:16,684 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 10:39:16,684 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-21 10:39:16,684 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-21 10:39:16,684 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-21 10:39:16,684 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-21 10:39:16,685 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 984 990) the Hoare annotation is: true [2020-07-21 10:39:16,685 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 984 990) no Hoare annotation was computed. [2020-07-21 10:39:16,685 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 991 999) no Hoare annotation was computed. [2020-07-21 10:39:16,685 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 991 999) the Hoare annotation is: true [2020-07-21 10:39:16,685 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 991 999) no Hoare annotation was computed. [2020-07-21 10:39:16,685 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 918 925) the Hoare annotation is: true [2020-07-21 10:39:16,685 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 918 925) no Hoare annotation was computed. [2020-07-21 10:39:16,685 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 918 925) no Hoare annotation was computed. [2020-07-21 10:39:16,686 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 926 935) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse4 .cse0 .cse1 .cse2 .cse3))) [2020-07-21 10:39:16,686 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 926 935) no Hoare annotation was computed. [2020-07-21 10:39:16,686 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 926 935) no Hoare annotation was computed. [2020-07-21 10:39:16,686 INFO L268 CegarLoopResult]: For program point L931(line 931) no Hoare annotation was computed. [2020-07-21 10:39:16,686 INFO L264 CegarLoopResult]: At program point L951(line 951) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-21 10:39:16,687 INFO L268 CegarLoopResult]: For program point L949(lines 949 955) no Hoare annotation was computed. [2020-07-21 10:39:16,687 INFO L268 CegarLoopResult]: For program point L948(lines 948 958) no Hoare annotation was computed. [2020-07-21 10:39:16,687 INFO L264 CegarLoopResult]: At program point L946(line 946) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 10:39:16,687 INFO L268 CegarLoopResult]: For program point L946-1(line 946) no Hoare annotation was computed. [2020-07-21 10:39:16,687 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 936 964) the Hoare annotation is: true [2020-07-21 10:39:16,687 INFO L268 CegarLoopResult]: For program point L944(lines 944 961) no Hoare annotation was computed. [2020-07-21 10:39:16,687 INFO L268 CegarLoopResult]: For program point L944-1(lines 936 964) no Hoare annotation was computed. [2020-07-21 10:39:16,688 INFO L271 CegarLoopResult]: At program point L942(line 942) the Hoare annotation is: true [2020-07-21 10:39:16,688 INFO L268 CegarLoopResult]: For program point L942-1(line 942) no Hoare annotation was computed. [2020-07-21 10:39:16,688 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 936 964) no Hoare annotation was computed. [2020-07-21 10:39:16,688 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 893 915) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:16,688 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 893 915) no Hoare annotation was computed. [2020-07-21 10:39:16,688 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 893 915) no Hoare annotation was computed. [2020-07-21 10:39:16,688 INFO L264 CegarLoopResult]: At program point L905(line 905) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:16,689 INFO L264 CegarLoopResult]: At program point L905-1(line 905) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:16,689 INFO L268 CegarLoopResult]: For program point L903(lines 903 910) no Hoare annotation was computed. [2020-07-21 10:39:16,689 INFO L268 CegarLoopResult]: For program point L903-1(lines 903 910) no Hoare annotation was computed. [2020-07-21 10:39:16,689 INFO L268 CegarLoopResult]: For program point L901(line 901) no Hoare annotation was computed. [2020-07-21 10:39:16,689 INFO L264 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:16,689 INFO L264 CegarLoopResult]: At program point L899(line 899) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:16,690 INFO L264 CegarLoopResult]: At program point L899-1(line 899) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:16,690 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-07-21 10:39:16,690 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-21 10:39:16,690 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 847 870) no Hoare annotation was computed. [2020-07-21 10:39:16,690 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-21 10:39:16,690 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-07-21 10:39:16,690 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-21 10:39:16,690 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 847 870) no Hoare annotation was computed. [2020-07-21 10:39:16,690 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-21 10:39:16,691 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 847 870) no Hoare annotation was computed. [2020-07-21 10:39:16,691 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-07-21 10:39:16,691 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-21 10:39:16,691 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-21 10:39:16,691 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-21 10:39:16,691 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-07-21 10:39:16,691 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-21 10:39:16,691 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-07-21 10:39:16,692 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-07-21 10:39:16,692 INFO L264 CegarLoopResult]: At program point L544(line 544) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:16,692 INFO L268 CegarLoopResult]: For program point L544-1(line 544) no Hoare annotation was computed. [2020-07-21 10:39:16,692 INFO L268 CegarLoopResult]: For program point L542(lines 542 559) no Hoare annotation was computed. [2020-07-21 10:39:16,692 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 538 562) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:16,692 INFO L264 CegarLoopResult]: At program point L557(line 557) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:16,693 INFO L268 CegarLoopResult]: For program point L557-1(lines 538 562) no Hoare annotation was computed. [2020-07-21 10:39:16,693 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 538 562) no Hoare annotation was computed. [2020-07-21 10:39:16,693 INFO L264 CegarLoopResult]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4))))) [2020-07-21 10:39:16,693 INFO L264 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:16,693 INFO L268 CegarLoopResult]: For program point L546(lines 546 554) no Hoare annotation was computed. [2020-07-21 10:39:16,693 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 697 711) no Hoare annotation was computed. [2020-07-21 10:39:16,694 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-21 10:39:16,694 INFO L268 CegarLoopResult]: For program point L701(lines 701 707) no Hoare annotation was computed. [2020-07-21 10:39:16,694 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 697 711) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-21 10:39:16,694 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 697 711) no Hoare annotation was computed. [2020-07-21 10:39:16,694 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2020-07-21 10:39:16,694 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2020-07-21 10:39:16,694 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2020-07-21 10:39:16,695 INFO L268 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-07-21 10:39:16,695 INFO L268 CegarLoopResult]: For program point L672-1(line 672) no Hoare annotation was computed. [2020-07-21 10:39:16,695 INFO L268 CegarLoopResult]: For program point L661(lines 661 669) no Hoare annotation was computed. [2020-07-21 10:39:16,695 INFO L268 CegarLoopResult]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2020-07-21 10:39:16,695 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 642 677) no Hoare annotation was computed. [2020-07-21 10:39:16,695 INFO L268 CegarLoopResult]: For program point L649(lines 649 657) no Hoare annotation was computed. [2020-07-21 10:39:16,695 INFO L268 CegarLoopResult]: For program point L649-2(lines 649 657) no Hoare annotation was computed. [2020-07-21 10:39:16,695 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 642 677) no Hoare annotation was computed. [2020-07-21 10:39:16,695 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 642 677) no Hoare annotation was computed. [2020-07-21 10:39:16,696 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 977 983) no Hoare annotation was computed. [2020-07-21 10:39:16,696 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 977 983) the Hoare annotation is: true [2020-07-21 10:39:16,696 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-21 10:39:16,696 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-21 10:39:16,696 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-21 10:39:16,696 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-21 10:39:16,696 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-21 10:39:16,696 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-21 10:39:16,696 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-21 10:39:16,697 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-21 10:39:16,697 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-21 10:39:16,697 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 879 889) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:16,697 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 879 889) no Hoare annotation was computed. [2020-07-21 10:39:16,697 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 879 889) no Hoare annotation was computed. [2020-07-21 10:39:16,697 INFO L264 CegarLoopResult]: At program point L884(line 884) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:16,697 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 622 632) the Hoare annotation is: true [2020-07-21 10:39:16,698 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2020-07-21 10:39:16,698 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2020-07-21 10:39:16,698 INFO L271 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: true [2020-07-21 10:39:16,698 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-07-21 10:39:16,698 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 614 621) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-21 10:39:16,698 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2020-07-21 10:39:16,698 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2020-07-21 10:39:16,699 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 801 814) no Hoare annotation was computed. [2020-07-21 10:39:16,699 INFO L268 CegarLoopResult]: For program point L805(lines 805 811) no Hoare annotation was computed. [2020-07-21 10:39:16,699 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 801 814) the Hoare annotation is: true [2020-07-21 10:39:16,699 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 801 814) no Hoare annotation was computed. [2020-07-21 10:39:16,699 INFO L264 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:16,699 INFO L268 CegarLoopResult]: For program point L572(lines 572 580) no Hoare annotation was computed. [2020-07-21 10:39:16,699 INFO L264 CegarLoopResult]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:16,700 INFO L268 CegarLoopResult]: For program point L570-1(line 570) no Hoare annotation was computed. [2020-07-21 10:39:16,700 INFO L268 CegarLoopResult]: For program point L568(lines 568 585) no Hoare annotation was computed. [2020-07-21 10:39:16,700 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 564 588) no Hoare annotation was computed. [2020-07-21 10:39:16,700 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 564 588) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:16,700 INFO L264 CegarLoopResult]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:16,700 INFO L268 CegarLoopResult]: For program point L583-1(lines 564 588) no Hoare annotation was computed. [2020-07-21 10:39:16,700 INFO L264 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:16,701 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 530 536) no Hoare annotation was computed. [2020-07-21 10:39:16,701 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 530 536) the Hoare annotation is: true [2020-07-21 10:39:16,701 INFO L264 CegarLoopResult]: At program point L481(lines 430 482) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:16,701 INFO L264 CegarLoopResult]: At program point testENTRY(lines 421 488) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:16,701 INFO L264 CegarLoopResult]: At program point L471(line 471) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:39:16,701 INFO L268 CegarLoopResult]: For program point testFINAL(lines 421 488) no Hoare annotation was computed. [2020-07-21 10:39:16,701 INFO L268 CegarLoopResult]: For program point L469(lines 469 475) no Hoare annotation was computed. [2020-07-21 10:39:16,702 INFO L264 CegarLoopResult]: At program point L469-1(lines 461 476) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 10:39:16,702 INFO L268 CegarLoopResult]: For program point L432(lines 431 480) no Hoare annotation was computed. [2020-07-21 10:39:16,702 INFO L264 CegarLoopResult]: At program point L463(line 463) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:39:16,702 INFO L268 CegarLoopResult]: For program point L461(lines 461 476) no Hoare annotation was computed. [2020-07-21 10:39:16,702 INFO L264 CegarLoopResult]: At program point L453(line 453) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 10:39:16,703 INFO L268 CegarLoopResult]: For program point L451(lines 451 457) no Hoare annotation was computed. [2020-07-21 10:39:16,703 INFO L268 CegarLoopResult]: For program point L451-1(lines 451 457) no Hoare annotation was computed. [2020-07-21 10:39:16,703 INFO L264 CegarLoopResult]: At program point L478(lines 431 480) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:16,703 INFO L264 CegarLoopResult]: At program point L443(line 443) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:16,703 INFO L268 CegarLoopResult]: For program point L441(lines 441 447) no Hoare annotation was computed. [2020-07-21 10:39:16,703 INFO L268 CegarLoopResult]: For program point L441-1(lines 441 447) no Hoare annotation was computed. [2020-07-21 10:39:16,703 INFO L268 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-07-21 10:39:16,704 INFO L268 CegarLoopResult]: For program point testEXIT(lines 421 488) no Hoare annotation was computed. [2020-07-21 10:39:16,704 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-21 10:39:16,704 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-21 10:39:16,704 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-21 10:39:16,704 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-21 10:39:16,704 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-21 10:39:16,704 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-21 10:39:16,704 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 589 596) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 10:39:16,705 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 589 596) no Hoare annotation was computed. [2020-07-21 10:39:16,705 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 589 596) no Hoare annotation was computed. [2020-07-21 10:39:16,705 INFO L268 CegarLoopResult]: For program point L777(lines 777 785) no Hoare annotation was computed. [2020-07-21 10:39:16,705 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 769 791) no Hoare annotation was computed. [2020-07-21 10:39:16,705 INFO L268 CegarLoopResult]: For program point L777-2(lines 777 785) no Hoare annotation was computed. [2020-07-21 10:39:16,705 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 769 791) no Hoare annotation was computed. [2020-07-21 10:39:16,705 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 769 791) no Hoare annotation was computed. [2020-07-21 10:39:16,705 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-21 10:39:16,705 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-21 10:39:16,706 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-21 10:39:16,706 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-21 10:39:16,706 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-21 10:39:16,706 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-21 10:39:16,706 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-21 10:39:16,706 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-21 10:39:16,706 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-21 10:39:16,706 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-21 10:39:16,706 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-21 10:39:16,707 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-21 10:39:16,707 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-21 10:39:16,707 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-21 10:39:16,707 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-21 10:39:16,707 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-21 10:39:16,707 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 967 976) no Hoare annotation was computed. [2020-07-21 10:39:16,707 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 967 976) no Hoare annotation was computed. [2020-07-21 10:39:16,707 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 967 976) no Hoare annotation was computed. [2020-07-21 10:39:16,707 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:16,708 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-21 10:39:16,708 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:16,708 INFO L264 CegarLoopResult]: At program point L608(line 608) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 10:39:16,708 INFO L268 CegarLoopResult]: For program point L608-1(lines 597 613) no Hoare annotation was computed. [2020-07-21 10:39:16,708 INFO L268 CegarLoopResult]: For program point L604(lines 604 610) no Hoare annotation was computed. [2020-07-21 10:39:16,708 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 597 613) no Hoare annotation was computed. [2020-07-21 10:39:16,708 INFO L264 CegarLoopResult]: At program point L602(line 602) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 10:39:16,708 INFO L268 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-07-21 10:39:16,709 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 597 613) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 10:39:16,709 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 678 696) no Hoare annotation was computed. [2020-07-21 10:39:16,709 INFO L268 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-07-21 10:39:16,709 INFO L271 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: true [2020-07-21 10:39:16,709 INFO L268 CegarLoopResult]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2020-07-21 10:39:16,709 INFO L268 CegarLoopResult]: For program point L685-1(line 685) no Hoare annotation was computed. [2020-07-21 10:39:16,709 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 678 696) the Hoare annotation is: true [2020-07-21 10:39:16,709 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 678 696) no Hoare annotation was computed. [2020-07-21 10:39:16,709 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 792 800) the Hoare annotation is: true [2020-07-21 10:39:16,710 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 792 800) no Hoare annotation was computed. [2020-07-21 10:39:16,710 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 792 800) no Hoare annotation was computed. [2020-07-21 10:39:16,710 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:16,710 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:39:16,710 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:16,710 INFO L268 CegarLoopResult]: For program point L752-1(lines 748 759) no Hoare annotation was computed. [2020-07-21 10:39:16,710 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 748 759) the Hoare annotation is: true [2020-07-21 10:39:16,710 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 748 759) no Hoare annotation was computed. [2020-07-21 10:39:16,711 INFO L264 CegarLoopResult]: At program point L512(line 512) the Hoare annotation is: (let ((.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3 .cse4) .cse5) (or (not (= 0 ~systemActive~0)) .cse6 .cse5) (or (and .cse2 (<= ~waterLevel~0 2) .cse4 .cse3) .cse0 .cse1 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse6 .cse5))) [2020-07-21 10:39:16,711 INFO L268 CegarLoopResult]: For program point L510(lines 506 528) no Hoare annotation was computed. [2020-07-21 10:39:16,711 INFO L268 CegarLoopResult]: For program point L508(lines 506 528) no Hoare annotation was computed. [2020-07-21 10:39:16,711 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 503 529) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse14 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse10 (not (= 0 ~systemActive~0))) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (and .cse8 .cse14 .cse2)) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse6 .cse7 .cse3 .cse4 (and .cse8 .cse1 .cse2)) (or .cse9 .cse10 .cse11 .cse5) (or .cse3 .cse12 .cse11 .cse13 .cse5) (or .cse3 (and .cse0 .cse14 .cse2) .cse11 .cse5) (or .cse12 .cse10 .cse11 .cse13 .cse5) (or .cse7 .cse3 .cse9 .cse11) (or .cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse3 .cse4 .cse5)))) [2020-07-21 10:39:16,711 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 503 529) no Hoare annotation was computed. [2020-07-21 10:39:16,711 INFO L264 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse2 .cse3 .cse4)) (or (not (= 0 ~systemActive~0)) .cse5 .cse6) (or .cse0 (and .cse3 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse5 .cse6) (or .cse0 .cse1 (and .cse2 (<= 1 ~waterLevel~0) (<= ~waterLevel~0 1) .cse4) .cse6 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 10:39:16,712 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 503 529) no Hoare annotation was computed. [2020-07-21 10:39:16,712 INFO L264 CegarLoopResult]: At program point L517(lines 517 523) the Hoare annotation is: (let ((.cse14 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse12 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse10 (<= 1 ~pumpRunning~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (not (<= 2 |old(~waterLevel~0)|))) (.cse13 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse15 (and .cse14 .cse0 .cse1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (and (<= ~waterLevel~0 2) .cse0 .cse1) .cse2 .cse3 .cse4) (let ((.cse8 (<= 1 ~waterLevel~0)) (.cse9 (<= ~waterLevel~0 1))) (or .cse5 .cse6 (and .cse7 .cse8 .cse9 .cse10) .cse4 .cse11 (and .cse8 .cse0 .cse12 .cse9))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse13 .cse5 .cse6 (and .cse7 .cse14 .cse10) (and .cse14 .cse0 .cse12)) (or .cse13 .cse15 .cse2 .cse3) (let ((.cse16 (<= 2 ~waterLevel~0))) (or .cse5 (and .cse16 .cse14 .cse0) .cse3 (and .cse16 .cse14 .cse10) .cse4 .cse11)) (or .cse13 .cse5 .cse15 .cse3)))) [2020-07-21 10:39:16,712 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 817 846) no Hoare annotation was computed. [2020-07-21 10:39:16,712 INFO L268 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2020-07-21 10:39:16,712 INFO L271 CegarLoopResult]: At program point L831-1(lines 831 835) the Hoare annotation is: true [2020-07-21 10:39:16,712 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 817 846) the Hoare annotation is: true [2020-07-21 10:39:16,712 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-21 10:39:16,713 INFO L271 CegarLoopResult]: At program point L827-2(lines 827 841) the Hoare annotation is: true [2020-07-21 10:39:16,713 INFO L271 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: true [2020-07-21 10:39:16,713 INFO L268 CegarLoopResult]: For program point L823-1(line 823) no Hoare annotation was computed. [2020-07-21 10:39:16,713 INFO L271 CegarLoopResult]: At program point L842(lines 817 846) the Hoare annotation is: true [2020-07-21 10:39:16,713 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-07-21 10:39:16,713 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 760 768) the Hoare annotation is: true [2020-07-21 10:39:16,713 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 760 768) no Hoare annotation was computed. [2020-07-21 10:39:16,713 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 760 768) no Hoare annotation was computed. [2020-07-21 10:39:16,713 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 724 735) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= 1 ~pumpRunning~0)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-21 10:39:16,713 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 724 735) no Hoare annotation was computed. [2020-07-21 10:39:16,714 INFO L268 CegarLoopResult]: For program point L728-1(lines 724 735) no Hoare annotation was computed. [2020-07-21 10:39:16,714 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 871 877) no Hoare annotation was computed. [2020-07-21 10:39:16,714 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 871 877) the Hoare annotation is: true [2020-07-21 10:39:16,714 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:16,714 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 10:39:16,714 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:39:16,714 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:16,714 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 712 719) no Hoare annotation was computed. [2020-07-21 10:39:16,714 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 712 719) the Hoare annotation is: true [2020-07-21 10:39:16,715 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 712 719) no Hoare annotation was computed. [2020-07-21 10:39:16,715 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 736 747) no Hoare annotation was computed. [2020-07-21 10:39:16,715 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 736 747) the Hoare annotation is: (let ((.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse7)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse6 (and (<= ~waterLevel~0 2) .cse7))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse2) (or .cse3 .cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse5 .cse2) (or .cse4 .cse0 .cse1 .cse6) (or .cse4 .cse0 .cse5 (not (<= 2 |old(~waterLevel~0)|)) .cse6)))) [2020-07-21 10:39:16,715 INFO L268 CegarLoopResult]: For program point L740-1(lines 736 747) no Hoare annotation was computed. [2020-07-21 10:39:16,715 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2020-07-21 10:39:16,715 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-07-21 10:39:16,715 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2020-07-21 10:39:16,716 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2020-07-21 10:39:16,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:39:16 BoogieIcfgContainer [2020-07-21 10:39:16,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:39:16,735 INFO L168 Benchmark]: Toolchain (without parser) took 21895.89 ms. Allocated memory was 144.7 MB in the beginning and 488.6 MB in the end (delta: 343.9 MB). Free memory was 103.0 MB in the beginning and 309.0 MB in the end (delta: -206.0 MB). Peak memory consumption was 355.6 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:16,736 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 144.7 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 10:39:16,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.40 ms. Allocated memory was 144.7 MB in the beginning and 205.5 MB in the end (delta: 60.8 MB). Free memory was 102.6 MB in the beginning and 174.2 MB in the end (delta: -71.6 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:16,738 INFO L168 Benchmark]: Boogie Preprocessor took 96.85 ms. Allocated memory is still 205.5 MB. Free memory was 174.2 MB in the beginning and 170.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:16,739 INFO L168 Benchmark]: RCFGBuilder took 1260.35 ms. Allocated memory was 205.5 MB in the beginning and 235.4 MB in the end (delta: 29.9 MB). Free memory was 170.0 MB in the beginning and 193.4 MB in the end (delta: -23.3 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:16,739 INFO L168 Benchmark]: TraceAbstraction took 19817.80 ms. Allocated memory was 235.4 MB in the beginning and 488.6 MB in the end (delta: 253.2 MB). Free memory was 191.9 MB in the beginning and 309.0 MB in the end (delta: -117.0 MB). Peak memory consumption was 353.9 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:16,743 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 144.7 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.40 ms. Allocated memory was 144.7 MB in the beginning and 205.5 MB in the end (delta: 60.8 MB). Free memory was 102.6 MB in the beginning and 174.2 MB in the end (delta: -71.6 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.85 ms. Allocated memory is still 205.5 MB. Free memory was 174.2 MB in the beginning and 170.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1260.35 ms. Allocated memory was 205.5 MB in the beginning and 235.4 MB in the end (delta: 29.9 MB). Free memory was 170.0 MB in the beginning and 193.4 MB in the end (delta: -23.3 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19817.80 ms. Allocated memory was 235.4 MB in the beginning and 488.6 MB in the end (delta: 253.2 MB). Free memory was 191.9 MB in the beginning and 309.0 MB in the end (delta: -117.0 MB). Peak memory consumption was 353.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 431]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 252 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.4s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2314 SDtfs, 1540 SDslu, 3822 SDs, 0 SdLazy, 2711 SolverSat, 669 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1350 GetRequests, 1283 SyntacticMatches, 7 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1612occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 844 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 4178 PreInvPairs, 4367 NumberOfFragments, 2227 HoareAnnotationTreeSize, 4178 FomulaSimplifications, 10254 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 69 FomulaSimplificationsInter, 17954 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1163 NumberOfCodeBlocks, 1163 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1323 ConstructedInterpolants, 0 QuantifiedInterpolants, 313995 SizeOfPredicates, 30 NumberOfNonLiveVariables, 8974 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 208/230 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...