/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_spec4_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:43:13,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:43:13,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:43:13,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:43:13,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:43:13,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:43:13,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:43:13,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:43:13,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:43:13,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:43:13,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:43:13,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:43:13,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:43:13,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:43:13,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:43:13,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:43:13,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:43:13,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:43:13,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:43:13,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:43:13,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:43:13,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:43:13,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:43:13,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:43:13,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:43:13,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:43:13,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:43:13,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:43:13,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:43:13,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:43:13,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:43:13,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:43:13,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:43:13,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:43:13,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:43:13,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:43:13,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:43:13,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:43:13,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:43:13,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:43:13,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:43:13,575 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 [2020-07-20 10:43:13,614 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:43:13,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:43:13,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:43:13,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:43:13,618 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:43:13,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:43:13,618 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:43:13,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:43:13,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:43:13,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:43:13,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:43:13,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:43:13,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:43:13,620 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:43:13,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:43:13,620 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:43:13,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:43:13,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:43:13,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:43:13,622 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:43:13,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:43:13,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:43:13,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:43:13,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:43:13,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:43:13,623 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:43:13,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:13,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:43:13,623 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:43:13,623 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 [2020-07-20 10:43:13,897 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:43:13,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:43:13,923 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:43:13,924 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:43:13,925 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:43:13,926 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2020-07-20 10:43:14,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11d00231c/ba9618f1064a425fa2e9329242b68719/FLAGce64d1287 [2020-07-20 10:43:14,537 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:43:14,538 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2020-07-20 10:43:14,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11d00231c/ba9618f1064a425fa2e9329242b68719/FLAGce64d1287 [2020-07-20 10:43:14,902 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11d00231c/ba9618f1064a425fa2e9329242b68719 [2020-07-20 10:43:14,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:43:14,916 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:43:14,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:43:14,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:43:14,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:43:14,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:43:14" (1/1) ... [2020-07-20 10:43:14,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7506951f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:14, skipping insertion in model container [2020-07-20 10:43:14,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:43:14" (1/1) ... [2020-07-20 10:43:14,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:43:14,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:43:15,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:43:15,449 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:43:15,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:43:15,601 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:43:15,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:15 WrapperNode [2020-07-20 10:43:15,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:43:15,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:43:15,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:43:15,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:43:15,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:15" (1/1) ... [2020-07-20 10:43:15,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:15" (1/1) ... [2020-07-20 10:43:15,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:15" (1/1) ... [2020-07-20 10:43:15,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:15" (1/1) ... [2020-07-20 10:43:15,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:15" (1/1) ... [2020-07-20 10:43:15,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:15" (1/1) ... [2020-07-20 10:43:15,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:15" (1/1) ... [2020-07-20 10:43:15,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:43:15,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:43:15,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:43:15,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:43:15,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:15" (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 [2020-07-20 10:43:15,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:43:15,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:43:15,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:43:15,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:43:15,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:43:15,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:43:15,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:43:15,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:43:15,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:43:15,812 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:43:15,812 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:43:15,812 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:43:15,812 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:43:15,813 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:43:15,813 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:43:15,813 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:43:15,813 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:43:15,813 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:43:15,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 10:43:15,814 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:43:15,814 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:43:15,814 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:43:15,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:43:15,815 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:43:15,815 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:43:15,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:43:15,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 10:43:15,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:43:15,815 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:43:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:43:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:43:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 10:43:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:43:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 10:43:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:43:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:43:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:43:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:43:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:43:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:43:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 10:43:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 10:43:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:43:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:43:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:43:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:43:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:43:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:43:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:43:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:43:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:43:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:43:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:43:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:43:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:43:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:43:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:43:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:43:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:43:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:43:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:43:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:43:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:43:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:43:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:43:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:43:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:43:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:43:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:43:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:43:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:43:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:43:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:43:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:43:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:43:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:43:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:43:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:43:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:43:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:43:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 10:43:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:43:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:43:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:43:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:43:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 10:43:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:43:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:43:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 10:43:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:43:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:43:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:43:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:43:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 10:43:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 10:43:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:43:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 10:43:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:43:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:43:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:43:16,914 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:43:16,914 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:43:16,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:43:16 BoogieIcfgContainer [2020-07-20 10:43:16,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:43:16,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:43:16,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:43:16,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:43:16,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:43:14" (1/3) ... [2020-07-20 10:43:16,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f62c665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:43:16, skipping insertion in model container [2020-07-20 10:43:16,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:15" (2/3) ... [2020-07-20 10:43:16,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f62c665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:43:16, skipping insertion in model container [2020-07-20 10:43:16,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:43:16" (3/3) ... [2020-07-20 10:43:16,932 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2020-07-20 10:43:16,943 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:43:16,953 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:43:16,967 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:43:17,002 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:43:17,003 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:43:17,003 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:43:17,003 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:43:17,003 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:43:17,004 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:43:17,004 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:43:17,005 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:43:17,035 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2020-07-20 10:43:17,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 10:43:17,051 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:17,052 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:17,052 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:17,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:17,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1593418819, now seen corresponding path program 1 times [2020-07-20 10:43:17,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:17,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257364050] [2020-07-20 10:43:17,069 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 [2020-07-20 10:43:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:17,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:43:17,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:17,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:17,352 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:17,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257364050] [2020-07-20 10:43:17,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:17,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:43:17,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234281212] [2020-07-20 10:43:17,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:43:17,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:17,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:43:17,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:43:17,382 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 2 states. [2020-07-20 10:43:17,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:17,431 INFO L93 Difference]: Finished difference Result 318 states and 395 transitions. [2020-07-20 10:43:17,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:43:17,433 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 10:43:17,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:17,448 INFO L225 Difference]: With dead ends: 318 [2020-07-20 10:43:17,449 INFO L226 Difference]: Without dead ends: 159 [2020-07-20 10:43:17,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:43:17,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-07-20 10:43:17,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2020-07-20 10:43:17,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-07-20 10:43:17,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 189 transitions. [2020-07-20 10:43:17,515 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 189 transitions. Word has length 46 [2020-07-20 10:43:17,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:17,516 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 189 transitions. [2020-07-20 10:43:17,516 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:43:17,516 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 189 transitions. [2020-07-20 10:43:17,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 10:43:17,520 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:17,520 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:17,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:17,736 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:17,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:17,737 INFO L82 PathProgramCache]: Analyzing trace with hash 261795935, now seen corresponding path program 1 times [2020-07-20 10:43:17,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:17,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2004142415] [2020-07-20 10:43:17,739 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 [2020-07-20 10:43:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:17,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:43:17,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:18,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:18,031 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:18,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2004142415] [2020-07-20 10:43:18,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:18,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:18,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851793732] [2020-07-20 10:43:18,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:18,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:18,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:18,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:18,036 INFO L87 Difference]: Start difference. First operand 159 states and 189 transitions. Second operand 3 states. [2020-07-20 10:43:18,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:18,079 INFO L93 Difference]: Finished difference Result 261 states and 309 transitions. [2020-07-20 10:43:18,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:18,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 10:43:18,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:18,085 INFO L225 Difference]: With dead ends: 261 [2020-07-20 10:43:18,085 INFO L226 Difference]: Without dead ends: 150 [2020-07-20 10:43:18,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:18,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-07-20 10:43:18,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2020-07-20 10:43:18,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-20 10:43:18,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2020-07-20 10:43:18,111 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 47 [2020-07-20 10:43:18,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:18,112 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2020-07-20 10:43:18,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:18,112 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2020-07-20 10:43:18,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 10:43:18,115 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:18,115 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:18,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:18,329 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:18,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:18,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1299589925, now seen corresponding path program 1 times [2020-07-20 10:43:18,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:18,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [300445380] [2020-07-20 10:43:18,332 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 [2020-07-20 10:43:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:18,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:43:18,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:18,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:18,526 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:18,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [300445380] [2020-07-20 10:43:18,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:18,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:18,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028053914] [2020-07-20 10:43:18,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:18,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:18,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:18,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:18,528 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 3 states. [2020-07-20 10:43:18,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:18,556 INFO L93 Difference]: Finished difference Result 400 states and 483 transitions. [2020-07-20 10:43:18,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:18,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-20 10:43:18,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:18,561 INFO L225 Difference]: With dead ends: 400 [2020-07-20 10:43:18,562 INFO L226 Difference]: Without dead ends: 274 [2020-07-20 10:43:18,563 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:18,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-07-20 10:43:18,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 270. [2020-07-20 10:43:18,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-07-20 10:43:18,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 325 transitions. [2020-07-20 10:43:18,620 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 325 transitions. Word has length 51 [2020-07-20 10:43:18,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:18,620 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 325 transitions. [2020-07-20 10:43:18,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:18,621 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 325 transitions. [2020-07-20 10:43:18,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 10:43:18,629 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:18,629 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:18,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:18,845 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:18,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:18,846 INFO L82 PathProgramCache]: Analyzing trace with hash -848411279, now seen corresponding path program 1 times [2020-07-20 10:43:18,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:18,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [374049542] [2020-07-20 10:43:18,848 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 [2020-07-20 10:43:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:19,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 10:43:19,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:19,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:19,076 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:19,076 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [374049542] [2020-07-20 10:43:19,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:19,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:43:19,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890042105] [2020-07-20 10:43:19,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:43:19,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:19,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:43:19,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:43:19,078 INFO L87 Difference]: Start difference. First operand 270 states and 325 transitions. Second operand 6 states. [2020-07-20 10:43:19,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:19,408 INFO L93 Difference]: Finished difference Result 743 states and 937 transitions. [2020-07-20 10:43:19,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:43:19,409 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-20 10:43:19,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:19,414 INFO L225 Difference]: With dead ends: 743 [2020-07-20 10:43:19,414 INFO L226 Difference]: Without dead ends: 497 [2020-07-20 10:43:19,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:43:19,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2020-07-20 10:43:19,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 497. [2020-07-20 10:43:19,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2020-07-20 10:43:19,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 624 transitions. [2020-07-20 10:43:19,467 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 624 transitions. Word has length 57 [2020-07-20 10:43:19,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:19,469 INFO L479 AbstractCegarLoop]: Abstraction has 497 states and 624 transitions. [2020-07-20 10:43:19,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:43:19,469 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 624 transitions. [2020-07-20 10:43:19,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-20 10:43:19,473 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:19,474 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:19,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:19,689 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:19,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:19,690 INFO L82 PathProgramCache]: Analyzing trace with hash -533846889, now seen corresponding path program 1 times [2020-07-20 10:43:19,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:19,691 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1753470615] [2020-07-20 10:43:19,692 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 [2020-07-20 10:43:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:19,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:43:19,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:19,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:19,884 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:19,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1753470615] [2020-07-20 10:43:19,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:19,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:43:19,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334995912] [2020-07-20 10:43:19,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:43:19,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:19,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:43:19,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:43:19,887 INFO L87 Difference]: Start difference. First operand 497 states and 624 transitions. Second operand 6 states. [2020-07-20 10:43:20,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:20,193 INFO L93 Difference]: Finished difference Result 1148 states and 1509 transitions. [2020-07-20 10:43:20,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:43:20,194 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-20 10:43:20,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:20,198 INFO L225 Difference]: With dead ends: 1148 [2020-07-20 10:43:20,198 INFO L226 Difference]: Without dead ends: 675 [2020-07-20 10:43:20,201 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:43:20,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2020-07-20 10:43:20,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 657. [2020-07-20 10:43:20,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2020-07-20 10:43:20,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 823 transitions. [2020-07-20 10:43:20,246 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 823 transitions. Word has length 61 [2020-07-20 10:43:20,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:20,246 INFO L479 AbstractCegarLoop]: Abstraction has 657 states and 823 transitions. [2020-07-20 10:43:20,246 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:43:20,246 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 823 transitions. [2020-07-20 10:43:20,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-07-20 10:43:20,249 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:20,250 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:20,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:20,463 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:20,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:20,464 INFO L82 PathProgramCache]: Analyzing trace with hash -971494118, now seen corresponding path program 1 times [2020-07-20 10:43:20,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:20,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [128128209] [2020-07-20 10:43:20,465 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 [2020-07-20 10:43:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:20,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 10:43:20,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:20,672 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-20 10:43:20,672 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:20,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [128128209] [2020-07-20 10:43:20,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:20,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:20,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128528272] [2020-07-20 10:43:20,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:20,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:20,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:20,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:20,675 INFO L87 Difference]: Start difference. First operand 657 states and 823 transitions. Second operand 3 states. [2020-07-20 10:43:20,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:20,749 INFO L93 Difference]: Finished difference Result 752 states and 943 transitions. [2020-07-20 10:43:20,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:20,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-07-20 10:43:20,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:20,752 INFO L225 Difference]: With dead ends: 752 [2020-07-20 10:43:20,752 INFO L226 Difference]: Without dead ends: 331 [2020-07-20 10:43:20,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:20,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-07-20 10:43:20,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2020-07-20 10:43:20,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2020-07-20 10:43:20,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 404 transitions. [2020-07-20 10:43:20,778 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 404 transitions. Word has length 132 [2020-07-20 10:43:20,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:20,779 INFO L479 AbstractCegarLoop]: Abstraction has 331 states and 404 transitions. [2020-07-20 10:43:20,779 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:20,779 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 404 transitions. [2020-07-20 10:43:20,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-07-20 10:43:20,782 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:20,782 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:20,997 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:21,000 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:21,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:21,001 INFO L82 PathProgramCache]: Analyzing trace with hash 530822034, now seen corresponding path program 1 times [2020-07-20 10:43:21,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:21,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1979379957] [2020-07-20 10:43:21,001 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 [2020-07-20 10:43:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:21,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:43:21,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-20 10:43:21,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:21,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1979379957] [2020-07-20 10:43:21,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:21,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:43:21,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968590265] [2020-07-20 10:43:21,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:43:21,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:21,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:43:21,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:43:21,281 INFO L87 Difference]: Start difference. First operand 331 states and 404 transitions. Second operand 6 states. [2020-07-20 10:43:21,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:21,322 INFO L93 Difference]: Finished difference Result 652 states and 848 transitions. [2020-07-20 10:43:21,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:43:21,323 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2020-07-20 10:43:21,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:21,326 INFO L225 Difference]: With dead ends: 652 [2020-07-20 10:43:21,326 INFO L226 Difference]: Without dead ends: 345 [2020-07-20 10:43:21,328 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:43:21,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-07-20 10:43:21,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 341. [2020-07-20 10:43:21,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-07-20 10:43:21,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 415 transitions. [2020-07-20 10:43:21,350 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 415 transitions. Word has length 168 [2020-07-20 10:43:21,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:21,350 INFO L479 AbstractCegarLoop]: Abstraction has 341 states and 415 transitions. [2020-07-20 10:43:21,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:43:21,350 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 415 transitions. [2020-07-20 10:43:21,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-07-20 10:43:21,354 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:21,354 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:21,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:21,569 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:21,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:21,570 INFO L82 PathProgramCache]: Analyzing trace with hash 198178896, now seen corresponding path program 1 times [2020-07-20 10:43:21,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:21,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1517486943] [2020-07-20 10:43:21,571 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 [2020-07-20 10:43:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:21,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 10:43:21,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:21,808 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-20 10:43:21,808 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:21,809 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1517486943] [2020-07-20 10:43:21,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:21,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 10:43:21,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583156357] [2020-07-20 10:43:21,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 10:43:21,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:21,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 10:43:21,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:43:21,811 INFO L87 Difference]: Start difference. First operand 341 states and 415 transitions. Second operand 5 states. [2020-07-20 10:43:21,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:21,837 INFO L93 Difference]: Finished difference Result 639 states and 812 transitions. [2020-07-20 10:43:21,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 10:43:21,838 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2020-07-20 10:43:21,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:21,840 INFO L225 Difference]: With dead ends: 639 [2020-07-20 10:43:21,841 INFO L226 Difference]: Without dead ends: 322 [2020-07-20 10:43:21,842 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:43:21,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-07-20 10:43:21,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2020-07-20 10:43:21,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2020-07-20 10:43:21,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 389 transitions. [2020-07-20 10:43:21,860 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 389 transitions. Word has length 168 [2020-07-20 10:43:21,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:21,861 INFO L479 AbstractCegarLoop]: Abstraction has 322 states and 389 transitions. [2020-07-20 10:43:21,861 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 10:43:21,861 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 389 transitions. [2020-07-20 10:43:21,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-07-20 10:43:21,864 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:21,864 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:22,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:22,076 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:22,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:22,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1799344943, now seen corresponding path program 1 times [2020-07-20 10:43:22,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:22,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [895325267] [2020-07-20 10:43:22,078 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 [2020-07-20 10:43:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:22,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 10:43:22,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:22,372 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:22,373 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:22,373 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [895325267] [2020-07-20 10:43:22,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:22,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:43:22,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110620847] [2020-07-20 10:43:22,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:43:22,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:22,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:43:22,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:43:22,378 INFO L87 Difference]: Start difference. First operand 322 states and 389 transitions. Second operand 6 states. [2020-07-20 10:43:23,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:23,205 INFO L93 Difference]: Finished difference Result 859 states and 1110 transitions. [2020-07-20 10:43:23,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:43:23,206 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2020-07-20 10:43:23,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:23,214 INFO L225 Difference]: With dead ends: 859 [2020-07-20 10:43:23,214 INFO L226 Difference]: Without dead ends: 561 [2020-07-20 10:43:23,217 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:43:23,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2020-07-20 10:43:23,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 546. [2020-07-20 10:43:23,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2020-07-20 10:43:23,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 670 transitions. [2020-07-20 10:43:23,255 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 670 transitions. Word has length 168 [2020-07-20 10:43:23,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:23,255 INFO L479 AbstractCegarLoop]: Abstraction has 546 states and 670 transitions. [2020-07-20 10:43:23,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:43:23,255 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 670 transitions. [2020-07-20 10:43:23,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-20 10:43:23,262 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:23,262 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:23,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:23,475 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:23,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:23,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1229554551, now seen corresponding path program 1 times [2020-07-20 10:43:23,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:23,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [758092255] [2020-07-20 10:43:23,477 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 [2020-07-20 10:43:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:23,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:43:23,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:23,770 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:23,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:43:24,292 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-20 10:43:24,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [758092255] [2020-07-20 10:43:24,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 10:43:24,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2020-07-20 10:43:24,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56618661] [2020-07-20 10:43:24,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 10:43:24,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:24,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 10:43:24,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-07-20 10:43:24,295 INFO L87 Difference]: Start difference. First operand 546 states and 670 transitions. Second operand 12 states. [2020-07-20 10:43:26,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:26,237 INFO L93 Difference]: Finished difference Result 1419 states and 1886 transitions. [2020-07-20 10:43:26,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 10:43:26,238 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 172 [2020-07-20 10:43:26,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:26,245 INFO L225 Difference]: With dead ends: 1419 [2020-07-20 10:43:26,246 INFO L226 Difference]: Without dead ends: 897 [2020-07-20 10:43:26,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 332 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2020-07-20 10:43:26,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2020-07-20 10:43:26,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 734. [2020-07-20 10:43:26,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-07-20 10:43:26,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 904 transitions. [2020-07-20 10:43:26,307 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 904 transitions. Word has length 172 [2020-07-20 10:43:26,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:26,309 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 904 transitions. [2020-07-20 10:43:26,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 10:43:26,309 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 904 transitions. [2020-07-20 10:43:26,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-07-20 10:43:26,315 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:26,315 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 10:43:26,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:26,529 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:26,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:26,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1994438147, now seen corresponding path program 2 times [2020-07-20 10:43:26,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:26,531 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2143087751] [2020-07-20 10:43:26,531 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 [2020-07-20 10:43:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:26,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 1093 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:43:26,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:26,846 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 10:43:26,847 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 10:43:26,920 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 119 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 10:43:26,921 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:43:27,300 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:43:27,412 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 10:43:27,413 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:43:27,474 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 10:43:27,475 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:43:27,503 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 10:43:27,503 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:43:27,560 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:43:27,864 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 47 proven. 32 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-07-20 10:43:27,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2143087751] [2020-07-20 10:43:27,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 10:43:27,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2020-07-20 10:43:27,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095558163] [2020-07-20 10:43:27,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-20 10:43:27,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:27,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-20 10:43:27,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2020-07-20 10:43:27,867 INFO L87 Difference]: Start difference. First operand 734 states and 904 transitions. Second operand 16 states. [2020-07-20 10:43:30,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:30,350 INFO L93 Difference]: Finished difference Result 2024 states and 2734 transitions. [2020-07-20 10:43:30,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-20 10:43:30,351 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 241 [2020-07-20 10:43:30,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:30,360 INFO L225 Difference]: With dead ends: 2024 [2020-07-20 10:43:30,360 INFO L226 Difference]: Without dead ends: 1376 [2020-07-20 10:43:30,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 472 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2020-07-20 10:43:30,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2020-07-20 10:43:30,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1082. [2020-07-20 10:43:30,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1082 states. [2020-07-20 10:43:30,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1322 transitions. [2020-07-20 10:43:30,444 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1322 transitions. Word has length 241 [2020-07-20 10:43:30,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:30,446 INFO L479 AbstractCegarLoop]: Abstraction has 1082 states and 1322 transitions. [2020-07-20 10:43:30,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-20 10:43:30,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1322 transitions. [2020-07-20 10:43:30,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-07-20 10:43:30,451 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:30,452 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 10:43:30,665 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:30,666 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:30,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:30,666 INFO L82 PathProgramCache]: Analyzing trace with hash 267135103, now seen corresponding path program 1 times [2020-07-20 10:43:30,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:30,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1160377926] [2020-07-20 10:43:30,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:30,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 1094 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 10:43:30,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:31,031 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-07-20 10:43:31,031 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:31,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1160377926] [2020-07-20 10:43:31,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:31,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:43:31,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065390692] [2020-07-20 10:43:31,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:43:31,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:31,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:43:31,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:43:31,036 INFO L87 Difference]: Start difference. First operand 1082 states and 1322 transitions. Second operand 6 states. [2020-07-20 10:43:31,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:31,104 INFO L93 Difference]: Finished difference Result 1452 states and 1762 transitions. [2020-07-20 10:43:31,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:43:31,104 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 241 [2020-07-20 10:43:31,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:31,105 INFO L225 Difference]: With dead ends: 1452 [2020-07-20 10:43:31,105 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:43:31,110 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:43:31,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:43:31,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:43:31,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:43:31,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:43:31,111 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 241 [2020-07-20 10:43:31,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:31,111 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:43:31,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:43:31,112 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:43:31,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:43:31,324 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:31,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:43:32,770 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-07-20 10:43:32,903 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 10:43:33,099 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 14 [2020-07-20 10:43:33,546 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2020-07-20 10:43:33,855 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 29 [2020-07-20 10:43:34,173 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2020-07-20 10:43:35,430 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 17 [2020-07-20 10:43:35,497 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-20 10:43:35,498 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-20 10:43:35,498 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 10:43:35,498 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-20 10:43:35,498 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-20 10:43:35,498 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-20 10:43:35,498 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-20 10:43:35,498 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-20 10:43:35,499 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 10:43:35,499 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-20 10:43:35,499 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-20 10:43:35,499 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-20 10:43:35,500 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-20 10:43:35,500 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 10:43:35,500 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-20 10:43:35,500 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-20 10:43:35,500 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-20 10:43:35,500 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-20 10:43:35,501 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 528 534) the Hoare annotation is: true [2020-07-20 10:43:35,501 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 528 534) no Hoare annotation was computed. [2020-07-20 10:43:35,501 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 535 543) no Hoare annotation was computed. [2020-07-20 10:43:35,501 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 535 543) the Hoare annotation is: true [2020-07-20 10:43:35,501 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 535 543) no Hoare annotation was computed. [2020-07-20 10:43:35,501 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 548 572) the Hoare annotation is: true [2020-07-20 10:43:35,502 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 548 572) no Hoare annotation was computed. [2020-07-20 10:43:35,502 INFO L264 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= 0 ~systemActive~0)) .cse1))) [2020-07-20 10:43:35,502 INFO L268 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2020-07-20 10:43:35,504 INFO L264 CegarLoopResult]: At program point L558(line 558) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= 0 ~systemActive~0)) .cse2))) [2020-07-20 10:43:35,504 INFO L268 CegarLoopResult]: For program point L558-1(line 558) no Hoare annotation was computed. [2020-07-20 10:43:35,504 INFO L268 CegarLoopResult]: For program point L556(lines 556 569) no Hoare annotation was computed. [2020-07-20 10:43:35,504 INFO L268 CegarLoopResult]: For program point L556-1(lines 548 572) no Hoare annotation was computed. [2020-07-20 10:43:35,505 INFO L271 CegarLoopResult]: At program point L554(line 554) the Hoare annotation is: true [2020-07-20 10:43:35,505 INFO L268 CegarLoopResult]: For program point L554-1(line 554) no Hoare annotation was computed. [2020-07-20 10:43:35,505 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 486 508) 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)|))) [2020-07-20 10:43:35,505 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 486 508) no Hoare annotation was computed. [2020-07-20 10:43:35,506 INFO L264 CegarLoopResult]: At program point L498(line 498) 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)|))) [2020-07-20 10:43:35,506 INFO L264 CegarLoopResult]: At program point L498-1(line 498) 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)|))) [2020-07-20 10:43:35,506 INFO L268 CegarLoopResult]: For program point L496(lines 496 503) no Hoare annotation was computed. [2020-07-20 10:43:35,506 INFO L268 CegarLoopResult]: For program point L496-1(lines 496 503) no Hoare annotation was computed. [2020-07-20 10:43:35,506 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-20 10:43:35,506 INFO L264 CegarLoopResult]: At program point L493(line 493) 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)|))) [2020-07-20 10:43:35,506 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 486 508) no Hoare annotation was computed. [2020-07-20 10:43:35,507 INFO L264 CegarLoopResult]: At program point L492(line 492) 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)|))) [2020-07-20 10:43:35,507 INFO L264 CegarLoopResult]: At program point L492-1(line 492) 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)|))) [2020-07-20 10:43:35,507 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-20 10:43:35,508 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 10:43:35,508 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-07-20 10:43:35,508 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-07-20 10:43:35,508 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-20 10:43:35,508 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-07-20 10:43:35,508 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-07-20 10:43:35,508 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-20 10:43:35,508 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 10:43:35,508 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 10:43:35,509 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-20 10:43:35,509 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 10:43:35,509 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 10:43:35,509 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-20 10:43:35,509 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-20 10:43:35,509 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 10:43:35,509 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-07-20 10:43:35,509 INFO L264 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 10:43:35,510 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (<= 1 processEnvironment__wrappee__methaneQuery_~tmp~6)))) [2020-07-20 10:43:35,510 INFO L268 CegarLoopResult]: For program point L763(lines 763 771) no Hoare annotation was computed. [2020-07-20 10:43:35,510 INFO L264 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 10:43:35,510 INFO L268 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-07-20 10:43:35,510 INFO L268 CegarLoopResult]: For program point L759(lines 759 776) no Hoare annotation was computed. [2020-07-20 10:43:35,510 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 755 779) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:43:35,510 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 755 779) no Hoare annotation was computed. [2020-07-20 10:43:35,511 INFO L264 CegarLoopResult]: At program point L774(line 774) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~pumpRunning~0)) [2020-07-20 10:43:35,511 INFO L268 CegarLoopResult]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2020-07-20 10:43:35,511 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 933 947) no Hoare annotation was computed. [2020-07-20 10:43:35,511 INFO L264 CegarLoopResult]: At program point L939(line 939) the Hoare annotation is: (and (not (= 0 |old(~pumpRunning~0)|)) (or (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0))) [2020-07-20 10:43:35,511 INFO L268 CegarLoopResult]: For program point L937(lines 937 943) no Hoare annotation was computed. [2020-07-20 10:43:35,511 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 933 947) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (= 0 ~systemActive~0) (not (= 0 |old(~systemActive~0)|))) (or (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0)))) [2020-07-20 10:43:35,511 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 933 947) no Hoare annotation was computed. [2020-07-20 10:43:35,513 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 850 858) no Hoare annotation was computed. [2020-07-20 10:43:35,513 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 850 858) the Hoare annotation is: true [2020-07-20 10:43:35,513 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 850 858) no Hoare annotation was computed. [2020-07-20 10:43:35,514 INFO L268 CegarLoopResult]: For program point L923(lines 923 927) no Hoare annotation was computed. [2020-07-20 10:43:35,514 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 914 932) the Hoare annotation is: true [2020-07-20 10:43:35,514 INFO L271 CegarLoopResult]: At program point L921(line 921) the Hoare annotation is: true [2020-07-20 10:43:35,514 INFO L268 CegarLoopResult]: For program point L923-2(lines 923 927) no Hoare annotation was computed. [2020-07-20 10:43:35,514 INFO L268 CegarLoopResult]: For program point L921-1(line 921) no Hoare annotation was computed. [2020-07-20 10:43:35,514 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 914 932) no Hoare annotation was computed. [2020-07-20 10:43:35,514 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 914 932) no Hoare annotation was computed. [2020-07-20 10:43:35,514 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 874) no Hoare annotation was computed. [2020-07-20 10:43:35,514 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-07-20 10:43:35,515 INFO L268 CegarLoopResult]: For program point L889-1(line 889) no Hoare annotation was computed. [2020-07-20 10:43:35,515 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 859 894) no Hoare annotation was computed. [2020-07-20 10:43:35,515 INFO L268 CegarLoopResult]: For program point L878(lines 878 886) no Hoare annotation was computed. [2020-07-20 10:43:35,515 INFO L268 CegarLoopResult]: For program point L878-2(lines 878 886) no Hoare annotation was computed. [2020-07-20 10:43:35,515 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 859 894) no Hoare annotation was computed. [2020-07-20 10:43:35,515 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 859 894) no Hoare annotation was computed. [2020-07-20 10:43:35,515 INFO L268 CegarLoopResult]: For program point L866(lines 866 874) no Hoare annotation was computed. [2020-07-20 10:43:35,515 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 521 527) no Hoare annotation was computed. [2020-07-20 10:43:35,515 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 521 527) the Hoare annotation is: true [2020-07-20 10:43:35,516 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-20 10:43:35,516 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-20 10:43:35,516 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-20 10:43:35,516 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-20 10:43:35,516 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-20 10:43:35,516 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-20 10:43:35,516 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-20 10:43:35,516 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-20 10:43:35,517 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-20 10:43:35,517 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 473 482) 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)|))) [2020-07-20 10:43:35,517 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 473 482) no Hoare annotation was computed. [2020-07-20 10:43:35,517 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 473 482) no Hoare annotation was computed. [2020-07-20 10:43:35,517 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 839 849) the Hoare annotation is: true [2020-07-20 10:43:35,517 INFO L271 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: true [2020-07-20 10:43:35,517 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-07-20 10:43:35,517 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 839 849) no Hoare annotation was computed. [2020-07-20 10:43:35,518 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 839 849) no Hoare annotation was computed. [2020-07-20 10:43:35,518 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 831 838) the Hoare annotation is: true [2020-07-20 10:43:35,518 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 831 838) no Hoare annotation was computed. [2020-07-20 10:43:35,518 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 831 838) no Hoare annotation was computed. [2020-07-20 10:43:35,518 INFO L268 CegarLoopResult]: For program point L662(lines 662 668) no Hoare annotation was computed. [2020-07-20 10:43:35,518 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 658 671) no Hoare annotation was computed. [2020-07-20 10:43:35,518 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 658 671) the Hoare annotation is: true [2020-07-20 10:43:35,518 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 658 671) no Hoare annotation was computed. [2020-07-20 10:43:35,519 INFO L264 CegarLoopResult]: At program point L800(line 800) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~pumpRunning~0)) [2020-07-20 10:43:35,519 INFO L268 CegarLoopResult]: For program point L800-1(lines 781 805) no Hoare annotation was computed. [2020-07-20 10:43:35,519 INFO L264 CegarLoopResult]: At program point L795(line 795) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 10:43:35,519 INFO L264 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 10:43:35,519 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 781 805) no Hoare annotation was computed. [2020-07-20 10:43:35,519 INFO L268 CegarLoopResult]: For program point L789(lines 789 797) no Hoare annotation was computed. [2020-07-20 10:43:35,519 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 781 805) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:43:35,520 INFO L264 CegarLoopResult]: At program point L787(line 787) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 10:43:35,520 INFO L268 CegarLoopResult]: For program point L787-1(line 787) no Hoare annotation was computed. [2020-07-20 10:43:35,520 INFO L268 CegarLoopResult]: For program point L785(lines 785 802) no Hoare annotation was computed. [2020-07-20 10:43:35,520 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2020-07-20 10:43:35,520 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2020-07-20 10:43:35,520 INFO L268 CegarLoopResult]: For program point L960(lines 959 1006) no Hoare annotation was computed. [2020-07-20 10:43:35,520 INFO L264 CegarLoopResult]: At program point testENTRY(lines 949 1014) 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)|))) [2020-07-20 10:43:35,520 INFO L268 CegarLoopResult]: For program point L989(lines 989 1002) no Hoare annotation was computed. [2020-07-20 10:43:35,521 INFO L268 CegarLoopResult]: For program point testFINAL(lines 949 1014) no Hoare annotation was computed. [2020-07-20 10:43:35,521 INFO L264 CegarLoopResult]: At program point L981(line 981) the Hoare annotation is: (let ((.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse0 .cse1))) [2020-07-20 10:43:35,521 INFO L268 CegarLoopResult]: For program point L979(lines 979 985) no Hoare annotation was computed. [2020-07-20 10:43:35,521 INFO L268 CegarLoopResult]: For program point L979-1(lines 979 985) no Hoare annotation was computed. [2020-07-20 10:43:35,521 INFO L264 CegarLoopResult]: At program point L1004(lines 959 1006) the Hoare annotation is: (let ((.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse0 .cse1))) [2020-07-20 10:43:35,522 INFO L264 CegarLoopResult]: At program point L971(line 971) the Hoare annotation is: (let ((.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse0 .cse1))) [2020-07-20 10:43:35,522 INFO L268 CegarLoopResult]: For program point L969(lines 969 975) no Hoare annotation was computed. [2020-07-20 10:43:35,522 INFO L268 CegarLoopResult]: For program point L969-1(lines 969 975) no Hoare annotation was computed. [2020-07-20 10:43:35,522 INFO L268 CegarLoopResult]: For program point L961(lines 961 965) no Hoare annotation was computed. [2020-07-20 10:43:35,522 INFO L264 CegarLoopResult]: At program point L1007(lines 958 1008) 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)|))) [2020-07-20 10:43:35,522 INFO L264 CegarLoopResult]: At program point L997(line 997) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0) (and (<= 1 ~waterLevel~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (<= 1 ~systemActive~0)))) [2020-07-20 10:43:35,522 INFO L268 CegarLoopResult]: For program point L995(lines 995 1001) no Hoare annotation was computed. [2020-07-20 10:43:35,523 INFO L268 CegarLoopResult]: For program point testEXIT(lines 949 1014) no Hoare annotation was computed. [2020-07-20 10:43:35,523 INFO L264 CegarLoopResult]: At program point L995-1(lines 989 1002) the Hoare annotation is: (let ((.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse0 .cse1))) [2020-07-20 10:43:35,523 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-20 10:43:35,523 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-20 10:43:35,523 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-20 10:43:35,523 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-20 10:43:35,524 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-20 10:43:35,524 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-20 10:43:35,524 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 806 813) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:43:35,524 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 806 813) no Hoare annotation was computed. [2020-07-20 10:43:35,524 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 806 813) no Hoare annotation was computed. [2020-07-20 10:43:35,524 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 672 680) no Hoare annotation was computed. [2020-07-20 10:43:35,524 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 672 680) the Hoare annotation is: true [2020-07-20 10:43:35,524 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 672 680) no Hoare annotation was computed. [2020-07-20 10:43:35,525 INFO L268 CegarLoopResult]: For program point L634(lines 634 642) no Hoare annotation was computed. [2020-07-20 10:43:35,525 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 626 648) no Hoare annotation was computed. [2020-07-20 10:43:35,525 INFO L268 CegarLoopResult]: For program point L634-2(lines 634 642) no Hoare annotation was computed. [2020-07-20 10:43:35,525 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 626 648) no Hoare annotation was computed. [2020-07-20 10:43:35,525 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 626 648) no Hoare annotation was computed. [2020-07-20 10:43:35,526 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-20 10:43:35,526 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-20 10:43:35,526 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-20 10:43:35,526 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 10:43:35,526 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-20 10:43:35,526 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-20 10:43:35,526 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-20 10:43:35,526 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 10:43:35,526 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-20 10:43:35,527 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-20 10:43:35,527 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-20 10:43:35,527 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-20 10:43:35,527 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-20 10:43:35,527 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-20 10:43:35,527 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-20 10:43:35,527 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-20 10:43:35,528 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 511 520) no Hoare annotation was computed. [2020-07-20 10:43:35,528 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 511 520) no Hoare annotation was computed. [2020-07-20 10:43:35,528 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 511 520) no Hoare annotation was computed. [2020-07-20 10:43:35,528 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:43:35,528 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)) [2020-07-20 10:43:35,529 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:43:35,529 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 814 830) no Hoare annotation was computed. [2020-07-20 10:43:35,529 INFO L264 CegarLoopResult]: At program point L825(line 825) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:43:35,529 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 814 830) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:43:35,529 INFO L268 CegarLoopResult]: For program point L825-1(lines 814 830) no Hoare annotation was computed. [2020-07-20 10:43:35,529 INFO L268 CegarLoopResult]: For program point L821(lines 821 827) no Hoare annotation was computed. [2020-07-20 10:43:35,529 INFO L264 CegarLoopResult]: At program point L819(line 819) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:43:35,529 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-07-20 10:43:35,530 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 649 657) the Hoare annotation is: true [2020-07-20 10:43:35,530 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 649 657) no Hoare annotation was computed. [2020-07-20 10:43:35,530 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 649 657) no Hoare annotation was computed. [2020-07-20 10:43:35,530 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 895 913) no Hoare annotation was computed. [2020-07-20 10:43:35,530 INFO L268 CegarLoopResult]: For program point L904(lines 904 908) no Hoare annotation was computed. [2020-07-20 10:43:35,530 INFO L271 CegarLoopResult]: At program point L902(line 902) the Hoare annotation is: true [2020-07-20 10:43:35,530 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 908) no Hoare annotation was computed. [2020-07-20 10:43:35,530 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 895 913) the Hoare annotation is: true [2020-07-20 10:43:35,530 INFO L268 CegarLoopResult]: For program point L902-1(line 902) no Hoare annotation was computed. [2020-07-20 10:43:35,531 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 895 913) no Hoare annotation was computed. [2020-07-20 10:43:35,531 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:43:35,531 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:43:35,531 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:43:35,532 INFO L268 CegarLoopResult]: For program point L609-1(lines 605 616) no Hoare annotation was computed. [2020-07-20 10:43:35,532 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 605 616) the Hoare annotation is: true [2020-07-20 10:43:35,532 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 605 616) no Hoare annotation was computed. [2020-07-20 10:43:35,532 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= 0 ~systemActive~0)) .cse1) (or .cse0 .cse1 (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-20 10:43:35,532 INFO L268 CegarLoopResult]: For program point L701(lines 700 719) no Hoare annotation was computed. [2020-07-20 10:43:35,533 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: (let ((.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse2)) (or .cse0 .cse3 .cse4 .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse4 (<= ~waterLevel~0 1) .cse2) .cse3 .cse5) (or .cse6 .cse3 .cse4) (or .cse6 .cse3 (<= 1 ~waterLevel~0) .cse5))) [2020-07-20 10:43:35,533 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2020-07-20 10:43:35,533 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2020-07-20 10:43:35,533 INFO L264 CegarLoopResult]: At program point L710(line 710) the Hoare annotation is: (let ((.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 ~systemActive~0)) .cse0) (or .cse1 (and .cse2 .cse3) .cse0 .cse4) (or .cse1 .cse4 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 (<= ~waterLevel~0 1) .cse3) .cse0 (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-20 10:43:35,533 INFO L264 CegarLoopResult]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse7 (not (= 0 ~systemActive~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= 0 ~pumpRunning~0))) (and (let ((.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse1 .cse2 .cse3) (and .cse4 (<= ~waterLevel~0 1) .cse3) .cse5 .cse6)) (or .cse7 .cse5 .cse4) (or .cse7 .cse5 (<= 1 ~waterLevel~0) .cse6) (let ((.cse8 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse0 (and .cse1 .cse2 .cse8) (and .cse2 .cse8 .cse4) (not (<= 2 |old(~waterLevel~0)|)))))) [2020-07-20 10:43:35,534 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-07-20 10:43:35,534 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-07-20 10:43:35,534 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-07-20 10:43:35,534 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-20 10:43:35,534 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-07-20 10:43:35,534 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-07-20 10:43:35,534 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-20 10:43:35,534 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-20 10:43:35,535 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-07-20 10:43:35,535 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-20 10:43:35,535 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 617 625) the Hoare annotation is: true [2020-07-20 10:43:35,535 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 617 625) no Hoare annotation was computed. [2020-07-20 10:43:35,535 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 617 625) no Hoare annotation was computed. [2020-07-20 10:43:35,535 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 581 592) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 10:43:35,535 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 581 592) no Hoare annotation was computed. [2020-07-20 10:43:35,535 INFO L268 CegarLoopResult]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2020-07-20 10:43:35,535 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-07-20 10:43:35,536 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-07-20 10:43:35,536 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:43:35,536 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)) [2020-07-20 10:43:35,536 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:43:35,536 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:43:35,536 INFO L268 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2020-07-20 10:43:35,536 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:43:35,537 INFO L264 CegarLoopResult]: At program point L735(line 735) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:43:35,537 INFO L268 CegarLoopResult]: For program point L735-1(line 735) no Hoare annotation was computed. [2020-07-20 10:43:35,537 INFO L268 CegarLoopResult]: For program point L733(lines 733 750) no Hoare annotation was computed. [2020-07-20 10:43:35,537 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2020-07-20 10:43:35,537 INFO L264 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 10:43:35,537 INFO L268 CegarLoopResult]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2020-07-20 10:43:35,537 INFO L264 CegarLoopResult]: At program point L743(line 743) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= 0 ~pumpRunning~0))) [2020-07-20 10:43:35,538 INFO L264 CegarLoopResult]: At program point L739(line 739) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))))) [2020-07-20 10:43:35,538 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 593 604) no Hoare annotation was computed. [2020-07-20 10:43:35,538 INFO L268 CegarLoopResult]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2020-07-20 10:43:35,538 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 593 604) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1)) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and (<= ~waterLevel~0 1) .cse1) .cse2 .cse3) (or (not (= 0 ~systemActive~0)) (<= 1 ~waterLevel~0) .cse2 .cse3))) [2020-07-20 10:43:35,538 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 682 689) no Hoare annotation was computed. [2020-07-20 10:43:35,540 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 686) no Hoare annotation was computed. [2020-07-20 10:43:35,540 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 682 689) the Hoare annotation is: true [2020-07-20 10:43:35,541 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 682 689) no Hoare annotation was computed. [2020-07-20 10:43:35,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:43:35 BoogieIcfgContainer [2020-07-20 10:43:35,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:43:35,562 INFO L168 Benchmark]: Toolchain (without parser) took 20648.05 ms. Allocated memory was 145.2 MB in the beginning and 516.9 MB in the end (delta: 371.7 MB). Free memory was 102.0 MB in the beginning and 450.0 MB in the end (delta: -348.0 MB). Peak memory consumption was 350.6 MB. Max. memory is 7.1 GB. [2020-07-20 10:43:35,563 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 145.2 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:43:35,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.40 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 101.6 MB in the beginning and 168.4 MB in the end (delta: -66.8 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2020-07-20 10:43:35,564 INFO L168 Benchmark]: Boogie Preprocessor took 146.62 ms. Allocated memory is still 202.9 MB. Free memory was 168.4 MB in the beginning and 163.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-20 10:43:35,565 INFO L168 Benchmark]: RCFGBuilder took 1171.71 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 163.7 MB in the beginning and 189.4 MB in the end (delta: -25.7 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:43:35,566 INFO L168 Benchmark]: TraceAbstraction took 18636.77 ms. Allocated memory was 235.9 MB in the beginning and 516.9 MB in the end (delta: 281.0 MB). Free memory was 187.9 MB in the beginning and 450.0 MB in the end (delta: -262.0 MB). Peak memory consumption was 345.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:43:35,569 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 145.2 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.40 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 101.6 MB in the beginning and 168.4 MB in the end (delta: -66.8 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 146.62 ms. Allocated memory is still 202.9 MB. Free memory was 168.4 MB in the beginning and 163.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1171.71 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 163.7 MB in the beginning and 189.4 MB in the end (delta: -25.7 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18636.77 ms. Allocated memory was 235.9 MB in the beginning and 516.9 MB in the end (delta: 281.0 MB). Free memory was 187.9 MB in the beginning and 450.0 MB in the end (delta: -262.0 MB). Peak memory consumption was 345.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 686]: 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: 958]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || (((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive))) || ((0 == systemActive && 0 == pumpRunning) && splverifierCounter <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.3s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2403 SDtfs, 2010 SDslu, 4382 SDs, 0 SdLazy, 3849 SolverSat, 1157 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1995 GetRequests, 1908 SyntacticMatches, 7 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1082occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 498 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 2313 PreInvPairs, 2385 NumberOfFragments, 1328 HoareAnnotationTreeSize, 2313 FomulaSimplifications, 3828 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 72 FomulaSimplificationsInter, 6198 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1552 NumberOfCodeBlocks, 1552 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1951 ConstructedInterpolants, 0 QuantifiedInterpolants, 552081 SizeOfPredicates, 45 NumberOfNonLiveVariables, 10072 ConjunctsInSsa, 101 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 579/666 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...