/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 SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:04:56,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:04:56,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:04:56,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:04:56,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:04:56,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:04:56,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:04:56,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:04:56,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:04:56,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:04:56,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:04:56,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:04:56,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:04:56,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:04:56,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:04:56,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:04:56,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:04:56,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:04:56,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:04:56,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:04:56,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:04:56,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:04:56,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:04:56,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:04:56,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:04:56,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:04:56,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:04:56,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:04:56,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:04:56,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:04:56,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:04:56,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:04:56,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:04:56,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:04:56,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:04:56,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:04:56,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:04:56,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:04:56,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:04:56,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:04:56,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:04:56,815 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 13:04:56,830 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:04:56,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:04:56,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:04:56,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:04:56,832 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:04:56,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:04:56,832 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:04:56,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:04:56,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:04:56,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:04:56,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:04:56,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:04:56,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:04:56,833 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:04:56,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:04:56,834 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:04:56,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:04:56,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:04:56,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:04:56,835 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:04:56,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:04:56,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:04:56,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:04:56,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:04:56,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:04:56,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:04:56,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:56,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:04:56,836 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:04:56,837 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 -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 13:04:57,127 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:04:57,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:04:57,144 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:04:57,145 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:04:57,145 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:04:57,146 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2020-07-20 13:04:57,214 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f792ba6a6/9dce80292a824e88b0b377ed49072c76/FLAG7ab866456 [2020-07-20 13:04:57,725 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:04:57,726 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2020-07-20 13:04:57,740 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f792ba6a6/9dce80292a824e88b0b377ed49072c76/FLAG7ab866456 [2020-07-20 13:04:58,103 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f792ba6a6/9dce80292a824e88b0b377ed49072c76 [2020-07-20 13:04:58,113 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:04:58,116 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:04:58,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:04:58,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:04:58,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:04:58,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:58" (1/1) ... [2020-07-20 13:04:58,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f805f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:58, skipping insertion in model container [2020-07-20 13:04:58,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:58" (1/1) ... [2020-07-20 13:04:58,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:04:58,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:04:58,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:04:58,680 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:04:58,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:04:58,870 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:04:58,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:58 WrapperNode [2020-07-20 13:04:58,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:04:58,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:04:58,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:04:58,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:04:58,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:58" (1/1) ... [2020-07-20 13:04:58,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:58" (1/1) ... [2020-07-20 13:04:58,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:58" (1/1) ... [2020-07-20 13:04:58,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:58" (1/1) ... [2020-07-20 13:04:58,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:58" (1/1) ... [2020-07-20 13:04:58,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:58" (1/1) ... [2020-07-20 13:04:58,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:58" (1/1) ... [2020-07-20 13:04:58,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:04:58,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:04:58,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:04:58,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:04:58,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:58" (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 13:04:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:04:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:04:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:04:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:04:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:04:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:04:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:04:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:04:59,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:04:59,039 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:04:59,039 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:04:59,039 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:04:59,039 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:04:59,040 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:04:59,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:04:59,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 13:04:59,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 13:04:59,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 13:04:59,041 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:04:59,041 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:04:59,041 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:04:59,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:04:59,042 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:04:59,042 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:04:59,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 13:04:59,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 13:04:59,042 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:04:59,043 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:04:59,043 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:04:59,043 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:04:59,043 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:04:59,043 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:04:59,044 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:04:59,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:04:59,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:04:59,044 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:04:59,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 13:04:59,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 13:04:59,045 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 13:04:59,045 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 13:04:59,045 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:04:59,045 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:04:59,045 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:04:59,046 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:04:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:04:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:04:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:04:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:04:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:04:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:04:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:04:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:04:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:04:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:04:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:04:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:04:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:04:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:04:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:04:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:04:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:04:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:04:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:04:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:04:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:04:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:04:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:04:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:04:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:04:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:04:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:04:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 13:04:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:04:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:04:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:04:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:04:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:04:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:04:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:04:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:04:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:04:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 13:04:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 13:04:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:04:59,053 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:04:59,053 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:04:59,053 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 13:04:59,053 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 13:04:59,053 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 13:04:59,053 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 13:04:59,054 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:04:59,054 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:04:59,054 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:04:59,054 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:04:59,054 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 13:04:59,054 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:04:59,054 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 13:04:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:04:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:04:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:04:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:04:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:05:00,162 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:05:00,162 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:05:00,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:05:00 BoogieIcfgContainer [2020-07-20 13:05:00,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:05:00,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:05:00,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:05:00,172 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:05:00,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:04:58" (1/3) ... [2020-07-20 13:05:00,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a658d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:05:00, skipping insertion in model container [2020-07-20 13:05:00,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:58" (2/3) ... [2020-07-20 13:05:00,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a658d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:05:00, skipping insertion in model container [2020-07-20 13:05:00,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:05:00" (3/3) ... [2020-07-20 13:05:00,175 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2020-07-20 13:05:00,185 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:05:00,193 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:05:00,207 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:05:00,231 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:05:00,232 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:05:00,232 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:05:00,232 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:05:00,232 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:05:00,232 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:05:00,232 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:05:00,233 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:05:00,255 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2020-07-20 13:05:00,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 13:05:00,266 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:00,267 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:00,267 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:00,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:00,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1089631799, now seen corresponding path program 1 times [2020-07-20 13:05:00,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:00,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1506036647] [2020-07-20 13:05:00,283 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 13:05:00,865 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:00,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:00,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:05:00,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:00,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:05:00,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:00,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1506036647] [2020-07-20 13:05:00,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:00,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:05:00,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439907555] [2020-07-20 13:05:00,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:05:00,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:00,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:05:00,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:05:00,951 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 2 states. [2020-07-20 13:05:00,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:00,997 INFO L93 Difference]: Finished difference Result 292 states and 361 transitions. [2020-07-20 13:05:00,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:05:00,999 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 13:05:00,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:01,014 INFO L225 Difference]: With dead ends: 292 [2020-07-20 13:05:01,014 INFO L226 Difference]: Without dead ends: 148 [2020-07-20 13:05:01,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:05:01,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-20 13:05:01,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-07-20 13:05:01,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-20 13:05:01,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 174 transitions. [2020-07-20 13:05:01,081 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 174 transitions. Word has length 59 [2020-07-20 13:05:01,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:01,082 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 174 transitions. [2020-07-20 13:05:01,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:05:01,082 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 174 transitions. [2020-07-20 13:05:01,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 13:05:01,086 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:01,086 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:01,293 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:01,294 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:01,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:01,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1975382983, now seen corresponding path program 1 times [2020-07-20 13:05:01,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:01,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1630669316] [2020-07-20 13:05:01,297 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 13:05:01,729 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:01,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:01,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:05:01,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:01,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:05:01,788 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:01,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1630669316] [2020-07-20 13:05:01,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:01,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:05:01,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215715957] [2020-07-20 13:05:01,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:05:01,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:01,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:05:01,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:01,794 INFO L87 Difference]: Start difference. First operand 148 states and 174 transitions. Second operand 3 states. [2020-07-20 13:05:01,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:01,840 INFO L93 Difference]: Finished difference Result 231 states and 271 transitions. [2020-07-20 13:05:01,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:05:01,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 13:05:01,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:01,849 INFO L225 Difference]: With dead ends: 231 [2020-07-20 13:05:01,849 INFO L226 Difference]: Without dead ends: 139 [2020-07-20 13:05:01,851 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:01,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-20 13:05:01,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2020-07-20 13:05:01,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-07-20 13:05:01,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 162 transitions. [2020-07-20 13:05:01,881 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 162 transitions. Word has length 60 [2020-07-20 13:05:01,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:01,881 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 162 transitions. [2020-07-20 13:05:01,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:05:01,881 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 162 transitions. [2020-07-20 13:05:01,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 13:05:01,886 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:01,889 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:02,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:02,105 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:02,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:02,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1007889166, now seen corresponding path program 1 times [2020-07-20 13:05:02,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:02,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [286022825] [2020-07-20 13:05:02,108 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 13:05:02,630 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:02,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:02,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:05:02,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:02,672 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:02,672 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:02,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [286022825] [2020-07-20 13:05:02,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:02,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:05:02,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561094160] [2020-07-20 13:05:02,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:05:02,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:02,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:05:02,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:02,675 INFO L87 Difference]: Start difference. First operand 139 states and 162 transitions. Second operand 3 states. [2020-07-20 13:05:02,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:02,707 INFO L93 Difference]: Finished difference Result 357 states and 429 transitions. [2020-07-20 13:05:02,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:05:02,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 13:05:02,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:02,711 INFO L225 Difference]: With dead ends: 357 [2020-07-20 13:05:02,711 INFO L226 Difference]: Without dead ends: 246 [2020-07-20 13:05:02,713 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:02,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-07-20 13:05:02,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 240. [2020-07-20 13:05:02,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-07-20 13:05:02,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 287 transitions. [2020-07-20 13:05:02,766 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 287 transitions. Word has length 65 [2020-07-20 13:05:02,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:02,766 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 287 transitions. [2020-07-20 13:05:02,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:05:02,767 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 287 transitions. [2020-07-20 13:05:02,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 13:05:02,776 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:02,776 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:02,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:02,992 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:02,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:02,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1025318737, now seen corresponding path program 1 times [2020-07-20 13:05:02,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:02,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1581994914] [2020-07-20 13:05:02,994 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 13:05:03,524 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:03,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:03,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:05:03,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:03,582 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:03,583 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:03,583 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1581994914] [2020-07-20 13:05:03,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:03,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:05:03,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510617271] [2020-07-20 13:05:03,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:05:03,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:03,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:05:03,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:05:03,586 INFO L87 Difference]: Start difference. First operand 240 states and 287 transitions. Second operand 6 states. [2020-07-20 13:05:03,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:03,886 INFO L93 Difference]: Finished difference Result 576 states and 721 transitions. [2020-07-20 13:05:03,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:05:03,886 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 13:05:03,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:03,891 INFO L225 Difference]: With dead ends: 576 [2020-07-20 13:05:03,892 INFO L226 Difference]: Without dead ends: 364 [2020-07-20 13:05:03,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:05:03,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-07-20 13:05:03,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 354. [2020-07-20 13:05:03,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2020-07-20 13:05:03,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 427 transitions. [2020-07-20 13:05:03,926 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 427 transitions. Word has length 70 [2020-07-20 13:05:03,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:03,927 INFO L479 AbstractCegarLoop]: Abstraction has 354 states and 427 transitions. [2020-07-20 13:05:03,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:05:03,927 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 427 transitions. [2020-07-20 13:05:03,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 13:05:03,929 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:03,930 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:04,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:04,131 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:04,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:04,132 INFO L82 PathProgramCache]: Analyzing trace with hash -2085443903, now seen corresponding path program 1 times [2020-07-20 13:05:04,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:04,133 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [77321106] [2020-07-20 13:05:04,133 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 13:05:04,493 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:04,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:04,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:05:04,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:04,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:04,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:04,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [77321106] [2020-07-20 13:05:04,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:04,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:05:04,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242050122] [2020-07-20 13:05:04,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:05:04,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:04,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:05:04,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:05:04,562 INFO L87 Difference]: Start difference. First operand 354 states and 427 transitions. Second operand 6 states. [2020-07-20 13:05:04,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:04,622 INFO L93 Difference]: Finished difference Result 690 states and 850 transitions. [2020-07-20 13:05:04,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:05:04,622 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2020-07-20 13:05:04,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:04,629 INFO L225 Difference]: With dead ends: 690 [2020-07-20 13:05:04,629 INFO L226 Difference]: Without dead ends: 364 [2020-07-20 13:05:04,632 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 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 13:05:04,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-07-20 13:05:04,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2020-07-20 13:05:04,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-07-20 13:05:04,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 437 transitions. [2020-07-20 13:05:04,675 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 437 transitions. Word has length 93 [2020-07-20 13:05:04,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:04,676 INFO L479 AbstractCegarLoop]: Abstraction has 364 states and 437 transitions. [2020-07-20 13:05:04,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:05:04,676 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 437 transitions. [2020-07-20 13:05:04,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 13:05:04,678 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:04,678 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:04,892 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:04,893 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:04,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:04,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1383844029, now seen corresponding path program 1 times [2020-07-20 13:05:04,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:04,895 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1769330887] [2020-07-20 13:05:04,896 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 13:05:05,214 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:05,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:05,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 13:05:05,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:05,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:05,271 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:05,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1769330887] [2020-07-20 13:05:05,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:05,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:05:05,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230670658] [2020-07-20 13:05:05,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:05:05,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:05,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:05:05,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:05:05,275 INFO L87 Difference]: Start difference. First operand 364 states and 437 transitions. Second operand 5 states. [2020-07-20 13:05:05,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:05,320 INFO L93 Difference]: Finished difference Result 714 states and 888 transitions. [2020-07-20 13:05:05,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:05:05,321 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2020-07-20 13:05:05,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:05,324 INFO L225 Difference]: With dead ends: 714 [2020-07-20 13:05:05,325 INFO L226 Difference]: Without dead ends: 378 [2020-07-20 13:05:05,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 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 13:05:05,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2020-07-20 13:05:05,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 372. [2020-07-20 13:05:05,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-07-20 13:05:05,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 445 transitions. [2020-07-20 13:05:05,348 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 445 transitions. Word has length 93 [2020-07-20 13:05:05,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:05,349 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 445 transitions. [2020-07-20 13:05:05,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:05:05,349 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 445 transitions. [2020-07-20 13:05:05,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 13:05:05,351 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:05,351 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:05,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:05,567 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:05,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:05,568 INFO L82 PathProgramCache]: Analyzing trace with hash 341636868, now seen corresponding path program 1 times [2020-07-20 13:05:05,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:05,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1244290971] [2020-07-20 13:05:05,569 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 13:05:05,855 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:05,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:05,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 13:05:05,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:05,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:05,911 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:05,911 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1244290971] [2020-07-20 13:05:05,911 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:05,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:05:05,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68207112] [2020-07-20 13:05:05,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:05:05,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:05,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:05:05,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:05,918 INFO L87 Difference]: Start difference. First operand 372 states and 445 transitions. Second operand 3 states. [2020-07-20 13:05:05,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:05,982 INFO L93 Difference]: Finished difference Result 1018 states and 1289 transitions. [2020-07-20 13:05:05,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:05:05,983 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-07-20 13:05:05,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:05,988 INFO L225 Difference]: With dead ends: 1018 [2020-07-20 13:05:05,989 INFO L226 Difference]: Without dead ends: 674 [2020-07-20 13:05:05,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:05,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2020-07-20 13:05:06,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 671. [2020-07-20 13:05:06,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2020-07-20 13:05:06,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 826 transitions. [2020-07-20 13:05:06,066 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 826 transitions. Word has length 93 [2020-07-20 13:05:06,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:06,067 INFO L479 AbstractCegarLoop]: Abstraction has 671 states and 826 transitions. [2020-07-20 13:05:06,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:05:06,067 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 826 transitions. [2020-07-20 13:05:06,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-20 13:05:06,069 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:06,070 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:06,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:06,283 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:06,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:06,283 INFO L82 PathProgramCache]: Analyzing trace with hash -643321942, now seen corresponding path program 1 times [2020-07-20 13:05:06,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:06,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [94917801] [2020-07-20 13:05:06,284 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 13:05:06,629 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:06,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:06,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 13:05:06,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:06,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:06,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:06,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [94917801] [2020-07-20 13:05:06,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:06,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 13:05:06,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380668234] [2020-07-20 13:05:06,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 13:05:06,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:06,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 13:05:06,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:05:06,748 INFO L87 Difference]: Start difference. First operand 671 states and 826 transitions. Second operand 10 states. [2020-07-20 13:05:08,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:08,283 INFO L93 Difference]: Finished difference Result 2006 states and 2795 transitions. [2020-07-20 13:05:08,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 13:05:08,284 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 97 [2020-07-20 13:05:08,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:08,292 INFO L225 Difference]: With dead ends: 2006 [2020-07-20 13:05:08,293 INFO L226 Difference]: Without dead ends: 1363 [2020-07-20 13:05:08,296 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 13:05:08,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2020-07-20 13:05:08,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 994. [2020-07-20 13:05:08,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 994 states. [2020-07-20 13:05:08,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1227 transitions. [2020-07-20 13:05:08,384 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1227 transitions. Word has length 97 [2020-07-20 13:05:08,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:08,385 INFO L479 AbstractCegarLoop]: Abstraction has 994 states and 1227 transitions. [2020-07-20 13:05:08,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 13:05:08,385 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1227 transitions. [2020-07-20 13:05:08,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-20 13:05:08,389 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:08,389 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:05:08,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:08,603 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:08,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:08,604 INFO L82 PathProgramCache]: Analyzing trace with hash -101859762, now seen corresponding path program 1 times [2020-07-20 13:05:08,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:08,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2030010178] [2020-07-20 13:05:08,605 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 13:05:08,950 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 13:05:08,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:08,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 13:05:08,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:08,991 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 13:05:08,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:08,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2030010178] [2020-07-20 13:05:08,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:08,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:05:08,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847504142] [2020-07-20 13:05:08,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:05:08,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:08,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:05:08,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:08,994 INFO L87 Difference]: Start difference. First operand 994 states and 1227 transitions. Second operand 3 states. [2020-07-20 13:05:09,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:09,098 INFO L93 Difference]: Finished difference Result 1682 states and 2074 transitions. [2020-07-20 13:05:09,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:05:09,099 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-07-20 13:05:09,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:09,104 INFO L225 Difference]: With dead ends: 1682 [2020-07-20 13:05:09,104 INFO L226 Difference]: Without dead ends: 716 [2020-07-20 13:05:09,109 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 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 13:05:09,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-07-20 13:05:09,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 696. [2020-07-20 13:05:09,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 696 states. [2020-07-20 13:05:09,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 836 transitions. [2020-07-20 13:05:09,207 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 836 transitions. Word has length 138 [2020-07-20 13:05:09,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:09,208 INFO L479 AbstractCegarLoop]: Abstraction has 696 states and 836 transitions. [2020-07-20 13:05:09,208 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:05:09,208 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 836 transitions. [2020-07-20 13:05:09,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-07-20 13:05:09,212 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:09,212 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:05:09,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:09,426 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:09,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:09,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1477147143, now seen corresponding path program 1 times [2020-07-20 13:05:09,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:09,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193500598] [2020-07-20 13:05:09,429 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 13:05:09,726 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:09,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:09,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:05:09,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:09,799 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:09,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:05:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 13:05:10,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193500598] [2020-07-20 13:05:10,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 13:05:10,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 13:05:10,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293425063] [2020-07-20 13:05:10,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 13:05:10,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:10,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 13:05:10,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:05:10,175 INFO L87 Difference]: Start difference. First operand 696 states and 836 transitions. Second operand 10 states. [2020-07-20 13:05:11,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:11,173 INFO L93 Difference]: Finished difference Result 1537 states and 1862 transitions. [2020-07-20 13:05:11,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 13:05:11,174 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 159 [2020-07-20 13:05:11,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:11,175 INFO L225 Difference]: With dead ends: 1537 [2020-07-20 13:05:11,176 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:05:11,181 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 305 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 13:05:11,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:05:11,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:05:11,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:05:11,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:05:11,182 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 159 [2020-07-20 13:05:11,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:11,182 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:05:11,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 13:05:11,183 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:05:11,183 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:05:11,383 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:11,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:05:12,645 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2020-07-20 13:05:13,092 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2020-07-20 13:05:13,300 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 13:05:13,574 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2020-07-20 13:05:13,699 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 13:05:13,980 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2020-07-20 13:05:14,531 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2020-07-20 13:05:14,860 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2020-07-20 13:05:15,011 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2020-07-20 13:05:15,303 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-20 13:05:15,437 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2020-07-20 13:05:15,718 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2020-07-20 13:05:15,991 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2020-07-20 13:05:16,313 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 13:05:16,691 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-07-20 13:05:16,863 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2020-07-20 13:05:17,133 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 35 [2020-07-20 13:05:17,224 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-20 13:05:17,224 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-20 13:05:17,224 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 13:05:17,224 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-20 13:05:17,225 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-20 13:05:17,225 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-20 13:05:17,225 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-20 13:05:17,225 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-20 13:05:17,225 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 13:05:17,225 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-20 13:05:17,226 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-20 13:05:17,226 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-20 13:05:17,226 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-20 13:05:17,226 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 13:05:17,226 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-20 13:05:17,226 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-20 13:05:17,226 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-20 13:05:17,226 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-20 13:05:17,227 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2020-07-20 13:05:17,227 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2020-07-20 13:05:17,227 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2020-07-20 13:05:17,227 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 1001 1009) the Hoare annotation is: true [2020-07-20 13:05:17,227 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 1001 1009) no Hoare annotation was computed. [2020-07-20 13:05:17,227 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 524 531) the Hoare annotation is: true [2020-07-20 13:05:17,228 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2020-07-20 13:05:17,228 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2020-07-20 13:05:17,228 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 532 541) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse4 .cse0 .cse1 .cse2 .cse3))) [2020-07-20 13:05:17,228 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 532 541) no Hoare annotation was computed. [2020-07-20 13:05:17,228 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-07-20 13:05:17,228 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 532 541) no Hoare annotation was computed. [2020-07-20 13:05:17,228 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 542 570) the Hoare annotation is: true [2020-07-20 13:05:17,229 INFO L264 CegarLoopResult]: At program point L557(line 557) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 13:05:17,229 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 542 570) no Hoare annotation was computed. [2020-07-20 13:05:17,229 INFO L268 CegarLoopResult]: For program point L555(lines 555 561) no Hoare annotation was computed. [2020-07-20 13:05:17,229 INFO L268 CegarLoopResult]: For program point L554(lines 554 564) no Hoare annotation was computed. [2020-07-20 13:05:17,229 INFO L264 CegarLoopResult]: At program point L552(line 552) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 13:05:17,229 INFO L268 CegarLoopResult]: For program point L552-1(line 552) no Hoare annotation was computed. [2020-07-20 13:05:17,230 INFO L268 CegarLoopResult]: For program point L550(lines 550 567) no Hoare annotation was computed. [2020-07-20 13:05:17,230 INFO L268 CegarLoopResult]: For program point L550-1(lines 542 570) no Hoare annotation was computed. [2020-07-20 13:05:17,230 INFO L271 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: true [2020-07-20 13:05:17,230 INFO L268 CegarLoopResult]: For program point L548-1(line 548) no Hoare annotation was computed. [2020-07-20 13:05:17,230 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:17,230 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-20 13:05:17,230 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:17,230 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:17,230 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-07-20 13:05:17,230 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-07-20 13:05:17,231 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 13:05:17,231 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:17,231 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:17,231 INFO L264 CegarLoopResult]: At program point L494-1(line 494) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:17,231 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-20 13:05:17,231 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-20 13:05:17,231 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 13:05:17,231 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-07-20 13:05:17,232 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-07-20 13:05:17,232 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-20 13:05:17,232 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-07-20 13:05:17,232 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-07-20 13:05:17,232 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-20 13:05:17,232 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 13:05:17,232 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 13:05:17,232 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-20 13:05:17,233 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 13:05:17,233 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 13:05:17,233 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-20 13:05:17,233 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-20 13:05:17,233 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 13:05:17,233 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-07-20 13:05:17,233 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 952 966) no Hoare annotation was computed. [2020-07-20 13:05:17,234 INFO L264 CegarLoopResult]: At program point L958(line 958) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-20 13:05:17,234 INFO L268 CegarLoopResult]: For program point L956(lines 956 962) no Hoare annotation was computed. [2020-07-20 13:05:17,234 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 952 966) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-20 13:05:17,234 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 952 966) no Hoare annotation was computed. [2020-07-20 13:05:17,234 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 869 877) no Hoare annotation was computed. [2020-07-20 13:05:17,234 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 869 877) the Hoare annotation is: true [2020-07-20 13:05:17,234 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 869 877) no Hoare annotation was computed. [2020-07-20 13:05:17,235 INFO L268 CegarLoopResult]: For program point L942(lines 942 946) no Hoare annotation was computed. [2020-07-20 13:05:17,235 INFO L271 CegarLoopResult]: At program point L940(line 940) the Hoare annotation is: true [2020-07-20 13:05:17,235 INFO L268 CegarLoopResult]: For program point L942-2(lines 942 946) no Hoare annotation was computed. [2020-07-20 13:05:17,235 INFO L268 CegarLoopResult]: For program point L940-1(line 940) no Hoare annotation was computed. [2020-07-20 13:05:17,235 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 933 951) the Hoare annotation is: true [2020-07-20 13:05:17,235 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 933 951) no Hoare annotation was computed. [2020-07-20 13:05:17,235 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 933 951) no Hoare annotation was computed. [2020-07-20 13:05:17,236 INFO L268 CegarLoopResult]: For program point L897(lines 897 905) no Hoare annotation was computed. [2020-07-20 13:05:17,236 INFO L268 CegarLoopResult]: For program point L897-2(lines 897 905) no Hoare annotation was computed. [2020-07-20 13:05:17,236 INFO L268 CegarLoopResult]: For program point L885(lines 885 893) no Hoare annotation was computed. [2020-07-20 13:05:17,236 INFO L268 CegarLoopResult]: For program point L885-2(lines 885 893) no Hoare annotation was computed. [2020-07-20 13:05:17,236 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 878 913) no Hoare annotation was computed. [2020-07-20 13:05:17,236 INFO L268 CegarLoopResult]: For program point L908(line 908) no Hoare annotation was computed. [2020-07-20 13:05:17,236 INFO L268 CegarLoopResult]: For program point L908-1(line 908) no Hoare annotation was computed. [2020-07-20 13:05:17,236 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 878 913) no Hoare annotation was computed. [2020-07-20 13:05:17,236 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 878 913) no Hoare annotation was computed. [2020-07-20 13:05:17,237 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2020-07-20 13:05:17,237 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2020-07-20 13:05:17,237 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-20 13:05:17,237 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-20 13:05:17,237 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-20 13:05:17,237 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-20 13:05:17,237 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-20 13:05:17,237 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-20 13:05:17,238 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-20 13:05:17,238 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-20 13:05:17,238 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-20 13:05:17,238 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:17,238 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:17,238 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2020-07-20 13:05:17,238 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2020-07-20 13:05:17,239 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 858 868) no Hoare annotation was computed. [2020-07-20 13:05:17,239 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-20 13:05:17,239 INFO L268 CegarLoopResult]: For program point L863-1(line 863) no Hoare annotation was computed. [2020-07-20 13:05:17,239 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 858 868) no Hoare annotation was computed. [2020-07-20 13:05:17,239 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 858 868) no Hoare annotation was computed. [2020-07-20 13:05:17,239 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 850 857) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-20 13:05:17,239 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 850 857) no Hoare annotation was computed. [2020-07-20 13:05:17,240 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 850 857) no Hoare annotation was computed. [2020-07-20 13:05:17,240 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 656 669) no Hoare annotation was computed. [2020-07-20 13:05:17,240 INFO L268 CegarLoopResult]: For program point L660(lines 660 666) no Hoare annotation was computed. [2020-07-20 13:05:17,240 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 656 669) the Hoare annotation is: true [2020-07-20 13:05:17,240 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 656 669) no Hoare annotation was computed. [2020-07-20 13:05:17,240 INFO L264 CegarLoopResult]: At program point L831(line 831) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:17,240 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:17,241 INFO L268 CegarLoopResult]: For program point L825(lines 825 833) no Hoare annotation was computed. [2020-07-20 13:05:17,241 INFO L264 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:17,241 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 817 841) no Hoare annotation was computed. [2020-07-20 13:05:17,241 INFO L268 CegarLoopResult]: For program point L823-1(line 823) no Hoare annotation was computed. [2020-07-20 13:05:17,241 INFO L268 CegarLoopResult]: For program point L821(lines 821 838) no Hoare annotation was computed. [2020-07-20 13:05:17,241 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 817 841) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:05:17,241 INFO L264 CegarLoopResult]: At program point L836(line 836) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:05:17,242 INFO L268 CegarLoopResult]: For program point L836-1(lines 817 841) no Hoare annotation was computed. [2020-07-20 13:05:17,242 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 783 789) no Hoare annotation was computed. [2020-07-20 13:05:17,242 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 783 789) the Hoare annotation is: true [2020-07-20 13:05:17,242 INFO L264 CegarLoopResult]: At program point L704(line 704) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:05:17,242 INFO L264 CegarLoopResult]: At program point testENTRY(lines 682 749) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:17,242 INFO L268 CegarLoopResult]: For program point L702(lines 702 708) no Hoare annotation was computed. [2020-07-20 13:05:17,242 INFO L268 CegarLoopResult]: For program point L702-1(lines 702 708) no Hoare annotation was computed. [2020-07-20 13:05:17,243 INFO L268 CegarLoopResult]: For program point testFINAL(lines 682 749) no Hoare annotation was computed. [2020-07-20 13:05:17,243 INFO L268 CegarLoopResult]: For program point L694(lines 694 698) no Hoare annotation was computed. [2020-07-20 13:05:17,243 INFO L264 CegarLoopResult]: At program point L742(lines 691 743) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:17,243 INFO L264 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:05:17,243 INFO L268 CegarLoopResult]: For program point L730(lines 730 736) no Hoare annotation was computed. [2020-07-20 13:05:17,243 INFO L264 CegarLoopResult]: At program point L730-1(lines 722 737) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:05:17,244 INFO L268 CegarLoopResult]: For program point L693(lines 692 741) no Hoare annotation was computed. [2020-07-20 13:05:17,244 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:05:17,244 INFO L268 CegarLoopResult]: For program point L722(lines 722 737) no Hoare annotation was computed. [2020-07-20 13:05:17,244 INFO L264 CegarLoopResult]: At program point L714(line 714) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:05:17,244 INFO L268 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2020-07-20 13:05:17,244 INFO L268 CegarLoopResult]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2020-07-20 13:05:17,245 INFO L264 CegarLoopResult]: At program point L739(lines 692 741) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:05:17,245 INFO L268 CegarLoopResult]: For program point testEXIT(lines 682 749) no Hoare annotation was computed. [2020-07-20 13:05:17,245 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-20 13:05:17,245 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-20 13:05:17,245 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-20 13:05:17,245 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-20 13:05:17,245 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-20 13:05:17,245 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-20 13:05:17,246 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 670 678) no Hoare annotation was computed. [2020-07-20 13:05:17,246 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 670 678) the Hoare annotation is: true [2020-07-20 13:05:17,246 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 670 678) no Hoare annotation was computed. [2020-07-20 13:05:17,246 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 624 646) no Hoare annotation was computed. [2020-07-20 13:05:17,246 INFO L268 CegarLoopResult]: For program point L632(lines 632 640) no Hoare annotation was computed. [2020-07-20 13:05:17,246 INFO L268 CegarLoopResult]: For program point L632-2(lines 632 640) no Hoare annotation was computed. [2020-07-20 13:05:17,246 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 624 646) no Hoare annotation was computed. [2020-07-20 13:05:17,246 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 624 646) no Hoare annotation was computed. [2020-07-20 13:05:17,246 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-20 13:05:17,247 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-20 13:05:17,247 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-20 13:05:17,247 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 13:05:17,247 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-20 13:05:17,247 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-20 13:05:17,247 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-20 13:05:17,247 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 13:05:17,247 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-20 13:05:17,248 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-20 13:05:17,248 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-20 13:05:17,248 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-20 13:05:17,248 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-20 13:05:17,248 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-20 13:05:17,248 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-20 13:05:17,248 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-20 13:05:17,248 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 977 986) no Hoare annotation was computed. [2020-07-20 13:05:17,249 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 977 986) no Hoare annotation was computed. [2020-07-20 13:05:17,249 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 977 986) no Hoare annotation was computed. [2020-07-20 13:05:17,249 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:05:17,249 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-20 13:05:17,249 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:05:17,249 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 842 849) no Hoare annotation was computed. [2020-07-20 13:05:17,249 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 842 849) no Hoare annotation was computed. [2020-07-20 13:05:17,249 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 842 849) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 13:05:17,250 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 647 655) the Hoare annotation is: true [2020-07-20 13:05:17,250 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 647 655) no Hoare annotation was computed. [2020-07-20 13:05:17,250 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 647 655) no Hoare annotation was computed. [2020-07-20 13:05:17,250 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 914 932) no Hoare annotation was computed. [2020-07-20 13:05:17,250 INFO L268 CegarLoopResult]: For program point L923(lines 923 927) no Hoare annotation was computed. [2020-07-20 13:05:17,250 INFO L271 CegarLoopResult]: At program point L921(line 921) the Hoare annotation is: true [2020-07-20 13:05:17,250 INFO L268 CegarLoopResult]: For program point L923-2(lines 923 927) no Hoare annotation was computed. [2020-07-20 13:05:17,250 INFO L268 CegarLoopResult]: For program point L921-1(line 921) no Hoare annotation was computed. [2020-07-20 13:05:17,251 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 914 932) the Hoare annotation is: true [2020-07-20 13:05:17,251 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 914 932) no Hoare annotation was computed. [2020-07-20 13:05:17,251 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:05:17,251 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:05:17,251 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:05:17,251 INFO L268 CegarLoopResult]: For program point L607-1(lines 603 614) no Hoare annotation was computed. [2020-07-20 13:05:17,251 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 603 614) the Hoare annotation is: true [2020-07-20 13:05:17,251 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 603 614) no Hoare annotation was computed. [2020-07-20 13:05:17,251 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 ~pumpRunning~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or (not (= 0 ~systemActive~0)) .cse5 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse4 (and .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse3) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 13:05:17,252 INFO L268 CegarLoopResult]: For program point L763(lines 759 781) no Hoare annotation was computed. [2020-07-20 13:05:17,252 INFO L268 CegarLoopResult]: For program point L761(lines 759 781) no Hoare annotation was computed. [2020-07-20 13:05:17,252 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 756 782) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (= 0 ~systemActive~0))) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 2)) (.cse11 (= 0 ~pumpRunning~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse6) .cse2) (or .cse8 .cse9 .cse10 (and .cse7 .cse11)) (or .cse0 .cse4 .cse10 .cse2 .cse3) (or .cse9 .cse10 (and .cse4 .cse5 .cse11) .cse2 .cse3) (or .cse8 .cse0 .cse7 .cse10) (or .cse0 .cse12 .cse10 .cse13 .cse2) (or .cse12 .cse9 .cse10 .cse13 .cse2) (or .cse0 .cse10 (and .cse5 .cse11) .cse2))) [2020-07-20 13:05:17,252 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 756 782) no Hoare annotation was computed. [2020-07-20 13:05:17,252 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 756 782) no Hoare annotation was computed. [2020-07-20 13:05:17,252 INFO L264 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (and .cse4 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse2 .cse6 .cse3)))) [2020-07-20 13:05:17,253 INFO L264 CegarLoopResult]: At program point L770(lines 770 776) the Hoare annotation is: (let ((.cse13 (<= 1 ~pumpRunning~0)) (.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse11 (= 0 ~pumpRunning~0)) (.cse14 (<= ~waterLevel~0 1))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and .cse12 .cse11 (<= 1 ~switchedOnBeforeTS~0) .cse14)) (.cse4 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse12 .cse14 .cse13)) (.cse7 (not (= 0 ~systemActive~0))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (and .cse12 .cse11)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (<= 2 ~waterLevel~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse6 .cse0 .cse1 .cse2 .cse4) (or .cse7 .cse8 (and .cse10 (<= ~waterLevel~0 2) .cse11) .cse3 .cse5) (or .cse6 .cse0 .cse8 .cse9) (or .cse0 (and .cse10 .cse12 .cse11) .cse8 (and .cse10 .cse12 .cse13) .cse3 .cse5)))) [2020-07-20 13:05:17,253 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-07-20 13:05:17,253 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-07-20 13:05:17,253 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-07-20 13:05:17,253 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-20 13:05:17,253 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-07-20 13:05:17,254 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-07-20 13:05:17,254 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-20 13:05:17,254 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-20 13:05:17,254 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-07-20 13:05:17,254 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-20 13:05:17,254 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 615 623) no Hoare annotation was computed. [2020-07-20 13:05:17,254 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 615 623) no Hoare annotation was computed. [2020-07-20 13:05:17,254 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 615 623) no Hoare annotation was computed. [2020-07-20 13:05:17,254 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 579 590) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 13:05:17,255 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 579 590) no Hoare annotation was computed. [2020-07-20 13:05:17,255 INFO L268 CegarLoopResult]: For program point L583-1(lines 579 590) no Hoare annotation was computed. [2020-07-20 13:05:17,255 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-07-20 13:05:17,255 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-07-20 13:05:17,255 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:05:17,255 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 13:05:17,255 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:05:17,255 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:05:17,255 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 967 974) no Hoare annotation was computed. [2020-07-20 13:05:17,256 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 967 974) the Hoare annotation is: true [2020-07-20 13:05:17,256 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 967 974) no Hoare annotation was computed. [2020-07-20 13:05:17,256 INFO L264 CegarLoopResult]: At program point L801(line 801) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:17,256 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 791 815) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:05:17,256 INFO L268 CegarLoopResult]: For program point L799(lines 799 807) no Hoare annotation was computed. [2020-07-20 13:05:17,256 INFO L264 CegarLoopResult]: At program point L797(line 797) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:05:17,256 INFO L268 CegarLoopResult]: For program point L797-1(line 797) no Hoare annotation was computed. [2020-07-20 13:05:17,256 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 791 815) no Hoare annotation was computed. [2020-07-20 13:05:17,257 INFO L268 CegarLoopResult]: For program point L795(lines 795 812) no Hoare annotation was computed. [2020-07-20 13:05:17,257 INFO L264 CegarLoopResult]: At program point L810(line 810) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:17,257 INFO L268 CegarLoopResult]: For program point L810-1(lines 791 815) no Hoare annotation was computed. [2020-07-20 13:05:17,257 INFO L264 CegarLoopResult]: At program point L805(line 805) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:17,257 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 591 602) no Hoare annotation was computed. [2020-07-20 13:05:17,257 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 591 602) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse6 .cse5 .cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse8) (or .cse6 .cse7 .cse1 .cse3) (or .cse5 .cse0 .cse2 .cse8 .cse4) (or .cse6 .cse5 .cse7 .cse3))) [2020-07-20 13:05:17,257 INFO L268 CegarLoopResult]: For program point L595-1(lines 591 602) no Hoare annotation was computed. [2020-07-20 13:05:17,258 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 512 519) no Hoare annotation was computed. [2020-07-20 13:05:17,258 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2020-07-20 13:05:17,258 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2020-07-20 13:05:17,258 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2020-07-20 13:05:17,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:05:17 BoogieIcfgContainer [2020-07-20 13:05:17,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:05:17,279 INFO L168 Benchmark]: Toolchain (without parser) took 19164.54 ms. Allocated memory was 135.8 MB in the beginning and 447.7 MB in the end (delta: 312.0 MB). Free memory was 99.1 MB in the beginning and 301.3 MB in the end (delta: -202.2 MB). Peak memory consumption was 332.3 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:17,280 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:05:17,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.28 ms. Allocated memory was 135.8 MB in the beginning and 199.8 MB in the end (delta: 64.0 MB). Free memory was 98.7 MB in the beginning and 165.8 MB in the end (delta: -67.1 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:17,282 INFO L168 Benchmark]: Boogie Preprocessor took 85.99 ms. Allocated memory is still 199.8 MB. Free memory was 165.8 MB in the beginning and 161.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:17,283 INFO L168 Benchmark]: RCFGBuilder took 1210.05 ms. Allocated memory was 199.8 MB in the beginning and 227.5 MB in the end (delta: 27.8 MB). Free memory was 161.5 MB in the beginning and 186.6 MB in the end (delta: -25.1 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:17,283 INFO L168 Benchmark]: TraceAbstraction took 17108.66 ms. Allocated memory was 227.5 MB in the beginning and 447.7 MB in the end (delta: 220.2 MB). Free memory was 186.6 MB in the beginning and 301.3 MB in the end (delta: -114.7 MB). Peak memory consumption was 328.1 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:17,287 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 753.28 ms. Allocated memory was 135.8 MB in the beginning and 199.8 MB in the end (delta: 64.0 MB). Free memory was 98.7 MB in the beginning and 165.8 MB in the end (delta: -67.1 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.99 ms. Allocated memory is still 199.8 MB. Free memory was 165.8 MB in the beginning and 161.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1210.05 ms. Allocated memory was 199.8 MB in the beginning and 227.5 MB in the end (delta: 27.8 MB). Free memory was 161.5 MB in the beginning and 186.6 MB in the end (delta: -25.1 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17108.66 ms. Allocated memory was 227.5 MB in the beginning and 447.7 MB in the end (delta: 220.2 MB). Free memory was 186.6 MB in the beginning and 301.3 MB in the end (delta: -114.7 MB). Peak memory consumption was 328.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 255 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.1s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1996 SDtfs, 1078 SDslu, 3444 SDs, 0 SdLazy, 1693 SolverSat, 363 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1099 GetRequests, 1040 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=994occurred in iteration=8, 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, 10 MinimizatonAttempts, 414 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 1863 PreInvPairs, 1980 NumberOfFragments, 2145 HoareAnnotationTreeSize, 1863 FomulaSimplifications, 3358 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 66 FomulaSimplificationsInter, 9255 FormulaSimplificationTreeSizeReductionInter, 4.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 927 NumberOfCodeBlocks, 788 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1075 ConstructedInterpolants, 0 QuantifiedInterpolants, 215087 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7553 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 122/144 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...