/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_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 15:40:48,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 15:40:48,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 15:40:48,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 15:40:48,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 15:40:48,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 15:40:48,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 15:40:48,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 15:40:48,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 15:40:48,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 15:40:48,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 15:40:48,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 15:40:48,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 15:40:48,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 15:40:48,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 15:40:48,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 15:40:48,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 15:40:48,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 15:40:48,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 15:40:48,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 15:40:48,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 15:40:48,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 15:40:48,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 15:40:48,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 15:40:48,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 15:40:48,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 15:40:48,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 15:40:48,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 15:40:48,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 15:40:48,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 15:40:48,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 15:40:48,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 15:40:48,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 15:40:48,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 15:40:48,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 15:40:48,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 15:40:48,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 15:40:48,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 15:40:48,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 15:40:48,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 15:40:48,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 15:40:48,814 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 15:40:48,838 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 15:40:48,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 15:40:48,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 15:40:48,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 15:40:48,840 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 15:40:48,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 15:40:48,841 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 15:40:48,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 15:40:48,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 15:40:48,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 15:40:48,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 15:40:48,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 15:40:48,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 15:40:48,843 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 15:40:48,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 15:40:48,844 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 15:40:48,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 15:40:48,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 15:40:48,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 15:40:48,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 15:40:48,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 15:40:48,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:40:48,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 15:40:48,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 15:40:48,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 15:40:48,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 15:40:48,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:48,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 15:40:48,847 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 15:40:48,847 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_VARIABLES 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 -> 2 [2020-07-21 15:40:49,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 15:40:49,180 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 15:40:49,183 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 15:40:49,185 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 15:40:49,185 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 15:40:49,186 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2020-07-21 15:40:49,250 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a08d1c8c/576707a1a3f24c0a979d9e1cff1136f9/FLAG127af3908 [2020-07-21 15:40:49,767 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 15:40:49,768 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2020-07-21 15:40:49,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a08d1c8c/576707a1a3f24c0a979d9e1cff1136f9/FLAG127af3908 [2020-07-21 15:40:50,105 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a08d1c8c/576707a1a3f24c0a979d9e1cff1136f9 [2020-07-21 15:40:50,115 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 15:40:50,118 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 15:40:50,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 15:40:50,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 15:40:50,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 15:40:50,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:40:50" (1/1) ... [2020-07-21 15:40:50,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c07bb8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:50, skipping insertion in model container [2020-07-21 15:40:50,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:40:50" (1/1) ... [2020-07-21 15:40:50,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 15:40:50,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 15:40:50,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:40:50,687 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 15:40:50,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:40:50,828 INFO L208 MainTranslator]: Completed translation [2020-07-21 15:40:50,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:50 WrapperNode [2020-07-21 15:40:50,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 15:40:50,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 15:40:50,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 15:40:50,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 15:40:50,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:50" (1/1) ... [2020-07-21 15:40:50,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:50" (1/1) ... [2020-07-21 15:40:50,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:50" (1/1) ... [2020-07-21 15:40:50,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:50" (1/1) ... [2020-07-21 15:40:50,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:50" (1/1) ... [2020-07-21 15:40:50,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:50" (1/1) ... [2020-07-21 15:40:50,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:50" (1/1) ... [2020-07-21 15:40:50,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 15:40:50,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 15:40:50,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 15:40:50,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 15:40:50,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:40:51,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 15:40:51,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 15:40:51,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 15:40:51,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 15:40:51,044 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 15:40:51,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 15:40:51,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 15:40:51,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 15:40:51,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 15:40:51,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 15:40:51,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 15:40:51,046 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 15:40:51,046 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 15:40:51,047 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 15:40:51,047 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 15:40:51,048 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 15:40:51,048 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 15:40:51,048 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 15:40:51,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 15:40:51,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 15:40:51,049 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 15:40:51,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 15:40:51,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 15:40:51,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-21 15:40:51,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-21 15:40:51,051 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 15:40:51,051 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 15:40:51,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 15:40:51,051 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 15:40:51,052 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 15:40:51,052 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 15:40:51,052 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 15:40:51,052 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 15:40:51,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 15:40:51,053 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 15:40:51,053 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 15:40:51,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 15:40:51,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 15:40:51,053 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 15:40:51,053 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 15:40:51,053 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 15:40:51,054 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 15:40:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 15:40:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 15:40:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 15:40:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 15:40:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 15:40:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 15:40:51,055 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 15:40:51,055 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 15:40:51,055 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 15:40:51,055 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 15:40:51,055 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 15:40:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 15:40:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 15:40:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 15:40:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 15:40:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 15:40:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 15:40:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 15:40:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 15:40:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 15:40:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 15:40:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 15:40:51,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 15:40:51,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 15:40:51,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 15:40:51,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 15:40:51,059 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 15:40:51,059 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 15:40:51,059 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 15:40:51,060 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 15:40:51,060 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 15:40:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 15:40:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 15:40:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 15:40:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 15:40:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-21 15:40:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 15:40:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 15:40:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 15:40:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 15:40:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 15:40:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 15:40:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 15:40:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-21 15:40:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 15:40:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 15:40:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 15:40:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 15:40:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 15:40:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 15:40:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 15:40:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 15:40:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 15:40:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 15:40:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 15:40:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 15:40:52,117 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 15:40:52,117 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 15:40:52,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:40:52 BoogieIcfgContainer [2020-07-21 15:40:52,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 15:40:52,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 15:40:52,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 15:40:52,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 15:40:52,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:40:50" (1/3) ... [2020-07-21 15:40:52,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d01b1c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:40:52, skipping insertion in model container [2020-07-21 15:40:52,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:50" (2/3) ... [2020-07-21 15:40:52,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d01b1c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:40:52, skipping insertion in model container [2020-07-21 15:40:52,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:40:52" (3/3) ... [2020-07-21 15:40:52,131 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53.cil.c [2020-07-21 15:40:52,141 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 15:40:52,149 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 15:40:52,163 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 15:40:52,190 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 15:40:52,190 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 15:40:52,190 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 15:40:52,190 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 15:40:52,191 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 15:40:52,191 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 15:40:52,191 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 15:40:52,191 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 15:40:52,215 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2020-07-21 15:40:52,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 15:40:52,225 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:52,226 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:52,227 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:52,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:52,233 INFO L82 PathProgramCache]: Analyzing trace with hash 805370938, now seen corresponding path program 1 times [2020-07-21 15:40:52,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:52,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732786810] [2020-07-21 15:40:52,243 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:40:52,625 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:52,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:52,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 15:40:52,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:52,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:52,670 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:52,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732786810] [2020-07-21 15:40:52,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:52,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 15:40:52,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355948837] [2020-07-21 15:40:52,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 15:40:52,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:52,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 15:40:52,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:40:52,695 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 2 states. [2020-07-21 15:40:52,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:52,741 INFO L93 Difference]: Finished difference Result 292 states and 365 transitions. [2020-07-21 15:40:52,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 15:40:52,742 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-21 15:40:52,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:52,756 INFO L225 Difference]: With dead ends: 292 [2020-07-21 15:40:52,757 INFO L226 Difference]: Without dead ends: 148 [2020-07-21 15:40:52,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:40:52,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-21 15:40:52,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-07-21 15:40:52,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-21 15:40:52,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 176 transitions. [2020-07-21 15:40:52,825 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 176 transitions. Word has length 51 [2020-07-21 15:40:52,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:52,826 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 176 transitions. [2020-07-21 15:40:52,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 15:40:52,827 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 176 transitions. [2020-07-21 15:40:52,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 15:40:52,830 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:52,830 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:53,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:53,044 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:53,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:53,045 INFO L82 PathProgramCache]: Analyzing trace with hash -239223915, now seen corresponding path program 1 times [2020-07-21 15:40:53,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:53,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1279674072] [2020-07-21 15:40:53,047 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:40:53,387 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:53,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:53,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:40:53,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:53,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:53,434 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:53,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1279674072] [2020-07-21 15:40:53,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:53,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:40:53,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327655897] [2020-07-21 15:40:53,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:40:53,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:53,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:40:53,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:53,438 INFO L87 Difference]: Start difference. First operand 148 states and 176 transitions. Second operand 3 states. [2020-07-21 15:40:53,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:53,468 INFO L93 Difference]: Finished difference Result 268 states and 327 transitions. [2020-07-21 15:40:53,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:40:53,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 15:40:53,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:53,472 INFO L225 Difference]: With dead ends: 268 [2020-07-21 15:40:53,472 INFO L226 Difference]: Without dead ends: 148 [2020-07-21 15:40:53,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:53,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-21 15:40:53,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-07-21 15:40:53,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-21 15:40:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 175 transitions. [2020-07-21 15:40:53,500 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 175 transitions. Word has length 52 [2020-07-21 15:40:53,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:53,501 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 175 transitions. [2020-07-21 15:40:53,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:40:53,501 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 175 transitions. [2020-07-21 15:40:53,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-21 15:40:53,506 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:53,507 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:53,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:53,711 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:53,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:53,712 INFO L82 PathProgramCache]: Analyzing trace with hash 828279611, now seen corresponding path program 1 times [2020-07-21 15:40:53,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:53,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [990401325] [2020-07-21 15:40:53,714 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:40:54,015 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:54,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:54,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:40:54,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:54,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:54,049 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:54,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [990401325] [2020-07-21 15:40:54,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:54,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:40:54,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859769867] [2020-07-21 15:40:54,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:40:54,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:54,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:40:54,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:54,052 INFO L87 Difference]: Start difference. First operand 148 states and 175 transitions. Second operand 3 states. [2020-07-21 15:40:54,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:54,068 INFO L93 Difference]: Finished difference Result 241 states and 285 transitions. [2020-07-21 15:40:54,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:40:54,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-07-21 15:40:54,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:54,071 INFO L225 Difference]: With dead ends: 241 [2020-07-21 15:40:54,071 INFO L226 Difference]: Without dead ends: 139 [2020-07-21 15:40:54,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:54,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-21 15:40:54,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2020-07-21 15:40:54,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-07-21 15:40:54,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 163 transitions. [2020-07-21 15:40:54,087 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 163 transitions. Word has length 70 [2020-07-21 15:40:54,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:54,087 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 163 transitions. [2020-07-21 15:40:54,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:40:54,088 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 163 transitions. [2020-07-21 15:40:54,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-21 15:40:54,090 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:54,090 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:54,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:54,306 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:54,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:54,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1519881096, now seen corresponding path program 1 times [2020-07-21 15:40:54,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:54,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [151744305] [2020-07-21 15:40:54,309 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:40:54,647 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:54,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:54,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 15:40:54,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:54,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:54,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:54,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [151744305] [2020-07-21 15:40:54,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:54,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:40:54,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756714654] [2020-07-21 15:40:54,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:40:54,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:54,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:40:54,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:54,685 INFO L87 Difference]: Start difference. First operand 139 states and 163 transitions. Second operand 3 states. [2020-07-21 15:40:54,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:54,723 INFO L93 Difference]: Finished difference Result 250 states and 302 transitions. [2020-07-21 15:40:54,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:40:54,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-07-21 15:40:54,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:54,728 INFO L225 Difference]: With dead ends: 250 [2020-07-21 15:40:54,728 INFO L226 Difference]: Without dead ends: 247 [2020-07-21 15:40:54,729 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:54,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-07-21 15:40:54,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2020-07-21 15:40:54,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-07-21 15:40:54,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 299 transitions. [2020-07-21 15:40:54,761 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 299 transitions. Word has length 74 [2020-07-21 15:40:54,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:54,762 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 299 transitions. [2020-07-21 15:40:54,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:40:54,762 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 299 transitions. [2020-07-21 15:40:54,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-21 15:40:54,765 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:54,766 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:54,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:54,980 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:54,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:54,981 INFO L82 PathProgramCache]: Analyzing trace with hash -559464710, now seen corresponding path program 1 times [2020-07-21 15:40:54,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:54,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1908458435] [2020-07-21 15:40:54,982 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:40:55,302 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:55,303 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:55,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 15:40:55,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:55,399 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-21 15:40:55,399 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:55,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1908458435] [2020-07-21 15:40:55,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:55,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-21 15:40:55,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36114314] [2020-07-21 15:40:55,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 15:40:55,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:55,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 15:40:55,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:40:55,404 INFO L87 Difference]: Start difference. First operand 247 states and 299 transitions. Second operand 7 states. [2020-07-21 15:40:56,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:56,174 INFO L93 Difference]: Finished difference Result 595 states and 773 transitions. [2020-07-21 15:40:56,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 15:40:56,176 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 122 [2020-07-21 15:40:56,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:56,179 INFO L225 Difference]: With dead ends: 595 [2020-07-21 15:40:56,180 INFO L226 Difference]: Without dead ends: 376 [2020-07-21 15:40:56,184 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-21 15:40:56,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-07-21 15:40:56,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 345. [2020-07-21 15:40:56,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2020-07-21 15:40:56,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 422 transitions. [2020-07-21 15:40:56,238 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 422 transitions. Word has length 122 [2020-07-21 15:40:56,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:56,241 INFO L479 AbstractCegarLoop]: Abstraction has 345 states and 422 transitions. [2020-07-21 15:40:56,241 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 15:40:56,241 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 422 transitions. [2020-07-21 15:40:56,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-21 15:40:56,252 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:56,252 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 15:40:56,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:56,454 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:56,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:56,454 INFO L82 PathProgramCache]: Analyzing trace with hash 695171237, now seen corresponding path program 1 times [2020-07-21 15:40:56,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:56,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [43054793] [2020-07-21 15:40:56,456 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:40:56,775 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:56,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:56,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 15:40:56,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:56,857 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 15:40:56,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 15:40:57,058 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 15:40:57,089 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 15:40:57,181 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-07-21 15:40:57,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [43054793] [2020-07-21 15:40:57,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 15:40:57,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2020-07-21 15:40:57,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255033196] [2020-07-21 15:40:57,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 15:40:57,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:57,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 15:40:57,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:40:57,184 INFO L87 Difference]: Start difference. First operand 345 states and 422 transitions. Second operand 5 states. [2020-07-21 15:40:57,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:57,662 INFO L93 Difference]: Finished difference Result 912 states and 1219 transitions. [2020-07-21 15:40:57,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:40:57,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-07-21 15:40:57,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:57,672 INFO L225 Difference]: With dead ends: 912 [2020-07-21 15:40:57,674 INFO L226 Difference]: Without dead ends: 595 [2020-07-21 15:40:57,676 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 321 SyntacticMatches, 7 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:40:57,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2020-07-21 15:40:57,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 574. [2020-07-21 15:40:57,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 574 states. [2020-07-21 15:40:57,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 767 transitions. [2020-07-21 15:40:57,753 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 767 transitions. Word has length 167 [2020-07-21 15:40:57,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:57,756 INFO L479 AbstractCegarLoop]: Abstraction has 574 states and 767 transitions. [2020-07-21 15:40:57,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 15:40:57,756 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 767 transitions. [2020-07-21 15:40:57,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-21 15:40:57,763 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:57,763 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 15:40:57,977 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:57,978 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:57,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:57,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1583850460, now seen corresponding path program 1 times [2020-07-21 15:40:57,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:57,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1664167605] [2020-07-21 15:40:57,980 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:40:58,177 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:40:58,177 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:58,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 15:40:58,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:58,225 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-21 15:40:58,226 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:58,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1664167605] [2020-07-21 15:40:58,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:58,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 15:40:58,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438024446] [2020-07-21 15:40:58,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 15:40:58,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:58,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 15:40:58,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:40:58,228 INFO L87 Difference]: Start difference. First operand 574 states and 767 transitions. Second operand 5 states. [2020-07-21 15:40:58,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:58,279 INFO L93 Difference]: Finished difference Result 1140 states and 1596 transitions. [2020-07-21 15:40:58,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 15:40:58,279 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-07-21 15:40:58,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:58,284 INFO L225 Difference]: With dead ends: 1140 [2020-07-21 15:40:58,285 INFO L226 Difference]: Without dead ends: 594 [2020-07-21 15:40:58,287 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:40:58,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-07-21 15:40:58,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 588. [2020-07-21 15:40:58,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-07-21 15:40:58,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 781 transitions. [2020-07-21 15:40:58,326 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 781 transitions. Word has length 167 [2020-07-21 15:40:58,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:58,327 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 781 transitions. [2020-07-21 15:40:58,327 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 15:40:58,327 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 781 transitions. [2020-07-21 15:40:58,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-21 15:40:58,330 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:58,330 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 15:40:58,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:58,547 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:58,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:58,548 INFO L82 PathProgramCache]: Analyzing trace with hash -424015178, now seen corresponding path program 1 times [2020-07-21 15:40:58,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:58,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1082817159] [2020-07-21 15:40:58,550 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:40:58,856 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:58,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:58,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 15:40:58,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:58,887 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:58,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:58,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1082817159] [2020-07-21 15:40:58,887 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:58,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:40:58,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849451101] [2020-07-21 15:40:58,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:40:58,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:58,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:40:58,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:58,889 INFO L87 Difference]: Start difference. First operand 588 states and 781 transitions. Second operand 3 states. [2020-07-21 15:40:58,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:58,987 INFO L93 Difference]: Finished difference Result 1030 states and 1411 transitions. [2020-07-21 15:40:58,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:40:58,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-07-21 15:40:58,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:58,991 INFO L225 Difference]: With dead ends: 1030 [2020-07-21 15:40:58,992 INFO L226 Difference]: Without dead ends: 470 [2020-07-21 15:40:58,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:58,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2020-07-21 15:40:59,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 470. [2020-07-21 15:40:59,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-07-21 15:40:59,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 574 transitions. [2020-07-21 15:40:59,019 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 574 transitions. Word has length 152 [2020-07-21 15:40:59,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:59,019 INFO L479 AbstractCegarLoop]: Abstraction has 470 states and 574 transitions. [2020-07-21 15:40:59,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:40:59,020 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 574 transitions. [2020-07-21 15:40:59,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-07-21 15:40:59,023 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:59,023 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:59,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:59,238 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:59,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:59,239 INFO L82 PathProgramCache]: Analyzing trace with hash -693206111, now seen corresponding path program 1 times [2020-07-21 15:40:59,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:59,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [400815317] [2020-07-21 15:40:59,240 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:40:59,570 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:59,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:59,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-21 15:40:59,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:59,675 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 15:40:59,675 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:59,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [400815317] [2020-07-21 15:40:59,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:59,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-21 15:40:59,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667015816] [2020-07-21 15:40:59,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-21 15:40:59,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:59,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-21 15:40:59,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-21 15:40:59,678 INFO L87 Difference]: Start difference. First operand 470 states and 574 transitions. Second operand 11 states. [2020-07-21 15:41:00,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:00,389 INFO L93 Difference]: Finished difference Result 1200 states and 1557 transitions. [2020-07-21 15:41:00,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-21 15:41:00,392 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 165 [2020-07-21 15:41:00,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:00,393 INFO L225 Difference]: With dead ends: 1200 [2020-07-21 15:41:00,393 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 15:41:00,398 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-21 15:41:00,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 15:41:00,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 15:41:00,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 15:41:00,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 15:41:00,399 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 165 [2020-07-21 15:41:00,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:00,399 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 15:41:00,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-21 15:41:00,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 15:41:00,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 15:41:00,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:00,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 15:41:01,721 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2020-07-21 15:41:01,872 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 23 [2020-07-21 15:41:02,461 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 28 [2020-07-21 15:41:02,658 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 29 [2020-07-21 15:41:04,180 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2020-07-21 15:41:04,712 INFO L268 CegarLoopResult]: For program point L195-2(lines 195 216) no Hoare annotation was computed. [2020-07-21 15:41:04,712 INFO L268 CegarLoopResult]: For program point L217(lines 194 218) no Hoare annotation was computed. [2020-07-21 15:41:04,712 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 170 225) no Hoare annotation was computed. [2020-07-21 15:41:04,712 INFO L268 CegarLoopResult]: For program point L201(lines 201 205) no Hoare annotation was computed. [2020-07-21 15:41:04,712 INFO L268 CegarLoopResult]: For program point L201-1(lines 201 205) no Hoare annotation was computed. [2020-07-21 15:41:04,713 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 170 225) no Hoare annotation was computed. [2020-07-21 15:41:04,713 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-21 15:41:04,713 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 170 225) no Hoare annotation was computed. [2020-07-21 15:41:04,713 INFO L268 CegarLoopResult]: For program point L258-1(lines 258 262) no Hoare annotation was computed. [2020-07-21 15:41:04,713 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-07-21 15:41:04,714 INFO L268 CegarLoopResult]: For program point L252-2(lines 252 277) no Hoare annotation was computed. [2020-07-21 15:41:04,714 INFO L268 CegarLoopResult]: For program point L278(lines 251 279) no Hoare annotation was computed. [2020-07-21 15:41:04,714 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 226 285) no Hoare annotation was computed. [2020-07-21 15:41:04,714 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-07-21 15:41:04,715 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 226 285) no Hoare annotation was computed. [2020-07-21 15:41:04,715 INFO L268 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-07-21 15:41:04,715 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 226 285) no Hoare annotation was computed. [2020-07-21 15:41:04,715 INFO L268 CegarLoopResult]: For program point L258(lines 258 262) no Hoare annotation was computed. [2020-07-21 15:41:04,715 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 978 984) the Hoare annotation is: true [2020-07-21 15:41:04,716 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 978 984) no Hoare annotation was computed. [2020-07-21 15:41:04,716 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 985 993) no Hoare annotation was computed. [2020-07-21 15:41:04,716 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 985 993) the Hoare annotation is: true [2020-07-21 15:41:04,716 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 985 993) no Hoare annotation was computed. [2020-07-21 15:41:04,716 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 832 854) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 15:41:04,716 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 832 854) no Hoare annotation was computed. [2020-07-21 15:41:04,716 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 832 854) no Hoare annotation was computed. [2020-07-21 15:41:04,717 INFO L264 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 15:41:04,717 INFO L264 CegarLoopResult]: At program point L844-1(line 844) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 15:41:04,717 INFO L268 CegarLoopResult]: For program point L842(lines 842 849) no Hoare annotation was computed. [2020-07-21 15:41:04,717 INFO L268 CegarLoopResult]: For program point L842-1(lines 842 849) no Hoare annotation was computed. [2020-07-21 15:41:04,717 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-07-21 15:41:04,718 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 15:41:04,718 INFO L264 CegarLoopResult]: At program point L838(line 838) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 15:41:04,718 INFO L264 CegarLoopResult]: At program point L838-1(line 838) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 15:41:04,718 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-21 15:41:04,718 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-07-21 15:41:04,718 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 787 810) no Hoare annotation was computed. [2020-07-21 15:41:04,718 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-07-21 15:41:04,718 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-07-21 15:41:04,719 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-07-21 15:41:04,719 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 787 810) no Hoare annotation was computed. [2020-07-21 15:41:04,719 INFO L268 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-07-21 15:41:04,719 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 787 810) no Hoare annotation was computed. [2020-07-21 15:41:04,719 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-07-21 15:41:04,719 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-07-21 15:41:04,719 INFO L268 CegarLoopResult]: For program point L793(line 793) no Hoare annotation was computed. [2020-07-21 15:41:04,720 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-07-21 15:41:04,720 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-07-21 15:41:04,720 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-07-21 15:41:04,720 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-07-21 15:41:04,720 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-07-21 15:41:04,720 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2020-07-21 15:41:04,720 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2020-07-21 15:41:04,720 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2020-07-21 15:41:04,720 INFO L271 CegarLoopResult]: At program point L704(line 704) the Hoare annotation is: true [2020-07-21 15:41:04,720 INFO L268 CegarLoopResult]: For program point L706-2(lines 706 710) no Hoare annotation was computed. [2020-07-21 15:41:04,720 INFO L268 CegarLoopResult]: For program point L704-1(line 704) no Hoare annotation was computed. [2020-07-21 15:41:04,720 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 697 715) the Hoare annotation is: true [2020-07-21 15:41:04,720 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 697 715) no Hoare annotation was computed. [2020-07-21 15:41:04,721 INFO L268 CegarLoopResult]: For program point L706(lines 706 710) no Hoare annotation was computed. [2020-07-21 15:41:04,721 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 697 715) no Hoare annotation was computed. [2020-07-21 15:41:04,721 INFO L268 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-07-21 15:41:04,721 INFO L268 CegarLoopResult]: For program point L672-1(line 672) no Hoare annotation was computed. [2020-07-21 15:41:04,721 INFO L268 CegarLoopResult]: For program point L661(lines 661 669) no Hoare annotation was computed. [2020-07-21 15:41:04,721 INFO L268 CegarLoopResult]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2020-07-21 15:41:04,721 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 642 677) no Hoare annotation was computed. [2020-07-21 15:41:04,721 INFO L268 CegarLoopResult]: For program point L649(lines 649 657) no Hoare annotation was computed. [2020-07-21 15:41:04,721 INFO L268 CegarLoopResult]: For program point L649-2(lines 649 657) no Hoare annotation was computed. [2020-07-21 15:41:04,722 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 642 677) no Hoare annotation was computed. [2020-07-21 15:41:04,722 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 642 677) no Hoare annotation was computed. [2020-07-21 15:41:04,722 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 971 977) no Hoare annotation was computed. [2020-07-21 15:41:04,722 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 971 977) the Hoare annotation is: true [2020-07-21 15:41:04,722 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 124 169) no Hoare annotation was computed. [2020-07-21 15:41:04,722 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 124 169) no Hoare annotation was computed. [2020-07-21 15:41:04,722 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 124 169) no Hoare annotation was computed. [2020-07-21 15:41:04,722 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 437 482) no Hoare annotation was computed. [2020-07-21 15:41:04,722 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 437 482) no Hoare annotation was computed. [2020-07-21 15:41:04,722 INFO L268 CegarLoopResult]: For program point L457(lines 457 464) no Hoare annotation was computed. [2020-07-21 15:41:04,722 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 437 482) no Hoare annotation was computed. [2020-07-21 15:41:04,723 INFO L268 CegarLoopResult]: For program point L451(lines 451 471) no Hoare annotation was computed. [2020-07-21 15:41:04,723 INFO L268 CegarLoopResult]: For program point L451-1(lines 451 471) no Hoare annotation was computed. [2020-07-21 15:41:04,723 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 818 828) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 15:41:04,723 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 818 828) no Hoare annotation was computed. [2020-07-21 15:41:04,723 INFO L264 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 15:41:04,723 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 818 828) no Hoare annotation was computed. [2020-07-21 15:41:04,723 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 622 632) the Hoare annotation is: true [2020-07-21 15:41:04,723 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2020-07-21 15:41:04,723 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2020-07-21 15:41:04,723 INFO L271 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: true [2020-07-21 15:41:04,723 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-07-21 15:41:04,724 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 614 621) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-21 15:41:04,724 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2020-07-21 15:41:04,724 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2020-07-21 15:41:04,724 INFO L268 CegarLoopResult]: For program point L940(lines 940 946) no Hoare annotation was computed. [2020-07-21 15:41:04,724 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 936 949) no Hoare annotation was computed. [2020-07-21 15:41:04,724 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 936 949) the Hoare annotation is: true [2020-07-21 15:41:04,724 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 936 949) no Hoare annotation was computed. [2020-07-21 15:41:04,724 INFO L264 CegarLoopResult]: At program point L600(line 600) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|))))) [2020-07-21 15:41:04,724 INFO L268 CegarLoopResult]: For program point L600-1(lines 581 605) no Hoare annotation was computed. [2020-07-21 15:41:04,725 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 581 605) no Hoare annotation was computed. [2020-07-21 15:41:04,725 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 581 605) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-07-21 15:41:04,725 INFO L264 CegarLoopResult]: At program point L595(line 595) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (and (= 0 ~methaneLevelCritical~0) (= ~methaneLevelCritical~0 processEnvironment_~tmp~6) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~pumpRunning~0)|))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:41:04,725 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~6) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:41:04,725 INFO L268 CegarLoopResult]: For program point L589(lines 589 597) no Hoare annotation was computed. [2020-07-21 15:41:04,725 INFO L264 CegarLoopResult]: At program point L587(line 587) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-07-21 15:41:04,725 INFO L268 CegarLoopResult]: For program point L587-1(line 587) no Hoare annotation was computed. [2020-07-21 15:41:04,725 INFO L268 CegarLoopResult]: For program point L585(lines 585 602) no Hoare annotation was computed. [2020-07-21 15:41:04,726 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 521 527) no Hoare annotation was computed. [2020-07-21 15:41:04,726 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 521 527) the Hoare annotation is: true [2020-07-21 15:41:04,726 INFO L264 CegarLoopResult]: At program point L99-2(lines 93 104) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (and .cse0 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-21 15:41:04,726 INFO L268 CegarLoopResult]: For program point L64(lines 63 108) no Hoare annotation was computed. [2020-07-21 15:41:04,726 INFO L264 CegarLoopResult]: At program point testENTRY(lines 53 116) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 15:41:04,726 INFO L268 CegarLoopResult]: For program point L93(lines 93 104) no Hoare annotation was computed. [2020-07-21 15:41:04,726 INFO L268 CegarLoopResult]: For program point testFINAL(lines 53 116) no Hoare annotation was computed. [2020-07-21 15:41:04,726 INFO L264 CegarLoopResult]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (and .cse0 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-21 15:41:04,727 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 15:41:04,727 INFO L268 CegarLoopResult]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2020-07-21 15:41:04,727 INFO L264 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (and .cse0 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-21 15:41:04,727 INFO L264 CegarLoopResult]: At program point L106(lines 63 108) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (and .cse0 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-21 15:41:04,727 INFO L268 CegarLoopResult]: For program point L73(lines 73 79) no Hoare annotation was computed. [2020-07-21 15:41:04,727 INFO L268 CegarLoopResult]: For program point L73-1(lines 73 79) no Hoare annotation was computed. [2020-07-21 15:41:04,727 INFO L268 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-07-21 15:41:04,728 INFO L264 CegarLoopResult]: At program point L109(lines 62 110) the Hoare annotation is: (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:41:04,728 INFO L268 CegarLoopResult]: For program point L99(lines 99 103) no Hoare annotation was computed. [2020-07-21 15:41:04,728 INFO L268 CegarLoopResult]: For program point testEXIT(lines 53 116) no Hoare annotation was computed. [2020-07-21 15:41:04,728 INFO L268 CegarLoopResult]: For program point L411(lines 411 418) no Hoare annotation was computed. [2020-07-21 15:41:04,728 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 391 436) no Hoare annotation was computed. [2020-07-21 15:41:04,728 INFO L268 CegarLoopResult]: For program point L405(lines 405 425) no Hoare annotation was computed. [2020-07-21 15:41:04,728 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 391 436) no Hoare annotation was computed. [2020-07-21 15:41:04,728 INFO L268 CegarLoopResult]: For program point L405-1(lines 405 425) no Hoare annotation was computed. [2020-07-21 15:41:04,729 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 391 436) no Hoare annotation was computed. [2020-07-21 15:41:04,729 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 950 958) no Hoare annotation was computed. [2020-07-21 15:41:04,729 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 950 958) the Hoare annotation is: true [2020-07-21 15:41:04,729 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 950 958) no Hoare annotation was computed. [2020-07-21 15:41:04,729 INFO L264 CegarLoopResult]: At program point L736(line 736) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse1) (or .cse0 .cse2 .cse1) (or .cse0 .cse2 (not (= 0 ~pumpRunning~0))))) [2020-07-21 15:41:04,729 INFO L268 CegarLoopResult]: For program point L736-1(line 736) no Hoare annotation was computed. [2020-07-21 15:41:04,729 INFO L268 CegarLoopResult]: For program point L734(lines 734 751) no Hoare annotation was computed. [2020-07-21 15:41:04,730 INFO L268 CegarLoopResult]: For program point L734-1(lines 726 754) no Hoare annotation was computed. [2020-07-21 15:41:04,730 INFO L264 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 1 ~pumpRunning~0))) [2020-07-21 15:41:04,730 INFO L268 CegarLoopResult]: For program point L732-1(line 732) no Hoare annotation was computed. [2020-07-21 15:41:04,730 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 726 754) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 1 ~pumpRunning~0))) [2020-07-21 15:41:04,730 INFO L264 CegarLoopResult]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse1))) [2020-07-21 15:41:04,730 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 726 754) no Hoare annotation was computed. [2020-07-21 15:41:04,731 INFO L268 CegarLoopResult]: For program point L739(lines 739 745) no Hoare annotation was computed. [2020-07-21 15:41:04,731 INFO L268 CegarLoopResult]: For program point L738(lines 738 748) no Hoare annotation was computed. [2020-07-21 15:41:04,731 INFO L268 CegarLoopResult]: For program point L912(lines 912 920) no Hoare annotation was computed. [2020-07-21 15:41:04,731 INFO L268 CegarLoopResult]: For program point L912-2(lines 912 920) no Hoare annotation was computed. [2020-07-21 15:41:04,731 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 904 926) no Hoare annotation was computed. [2020-07-21 15:41:04,731 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 904 926) no Hoare annotation was computed. [2020-07-21 15:41:04,731 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 904 926) no Hoare annotation was computed. [2020-07-21 15:41:04,731 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 718 725) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0))) [2020-07-21 15:41:04,732 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 718 725) no Hoare annotation was computed. [2020-07-21 15:41:04,732 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 718 725) no Hoare annotation was computed. [2020-07-21 15:41:04,732 INFO L268 CegarLoopResult]: For program point L353(line 353) no Hoare annotation was computed. [2020-07-21 15:41:04,732 INFO L268 CegarLoopResult]: For program point L353-1(line 353) no Hoare annotation was computed. [2020-07-21 15:41:04,732 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 288 390) no Hoare annotation was computed. [2020-07-21 15:41:04,732 INFO L268 CegarLoopResult]: For program point L312(lines 312 316) no Hoare annotation was computed. [2020-07-21 15:41:04,732 INFO L268 CegarLoopResult]: For program point L376(lines 376 387) no Hoare annotation was computed. [2020-07-21 15:41:04,732 INFO L268 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-07-21 15:41:04,732 INFO L268 CegarLoopResult]: For program point L337-2(lines 337 357) no Hoare annotation was computed. [2020-07-21 15:41:04,733 INFO L268 CegarLoopResult]: For program point L358(lines 336 359) no Hoare annotation was computed. [2020-07-21 15:41:04,733 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 288 390) no Hoare annotation was computed. [2020-07-21 15:41:04,733 INFO L268 CegarLoopResult]: For program point L317(lines 317 333) no Hoare annotation was computed. [2020-07-21 15:41:04,733 INFO L268 CegarLoopResult]: For program point L377(lines 377 384) no Hoare annotation was computed. [2020-07-21 15:41:04,733 INFO L268 CegarLoopResult]: For program point L338(lines 337 357) no Hoare annotation was computed. [2020-07-21 15:41:04,733 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 288 390) no Hoare annotation was computed. [2020-07-21 15:41:04,733 INFO L268 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-07-21 15:41:04,733 INFO L268 CegarLoopResult]: For program point L369-1(line 369) no Hoare annotation was computed. [2020-07-21 15:41:04,733 INFO L268 CegarLoopResult]: For program point L334(lines 334 375) no Hoare annotation was computed. [2020-07-21 15:41:04,734 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 961 970) no Hoare annotation was computed. [2020-07-21 15:41:04,734 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 961 970) no Hoare annotation was computed. [2020-07-21 15:41:04,734 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 961 970) no Hoare annotation was computed. [2020-07-21 15:41:04,734 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:41:04,734 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1))) [2020-07-21 15:41:04,734 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:41:04,734 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 606 613) no Hoare annotation was computed. [2020-07-21 15:41:04,734 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 606 613) no Hoare annotation was computed. [2020-07-21 15:41:04,735 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 606 613) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:41:04,735 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 678 696) no Hoare annotation was computed. [2020-07-21 15:41:04,735 INFO L268 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-07-21 15:41:04,735 INFO L271 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: true [2020-07-21 15:41:04,735 INFO L268 CegarLoopResult]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2020-07-21 15:41:04,735 INFO L268 CegarLoopResult]: For program point L685-1(line 685) no Hoare annotation was computed. [2020-07-21 15:41:04,735 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 678 696) the Hoare annotation is: true [2020-07-21 15:41:04,735 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 678 696) no Hoare annotation was computed. [2020-07-21 15:41:04,735 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 927 935) no Hoare annotation was computed. [2020-07-21 15:41:04,736 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 927 935) no Hoare annotation was computed. [2020-07-21 15:41:04,736 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 927 935) no Hoare annotation was computed. [2020-07-21 15:41:04,736 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 883 894) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 15:41:04,736 INFO L268 CegarLoopResult]: For program point L887-1(lines 883 894) no Hoare annotation was computed. [2020-07-21 15:41:04,736 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 883 894) no Hoare annotation was computed. [2020-07-21 15:41:04,736 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:41:04,736 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 15:41:04,736 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:41:04,737 INFO L264 CegarLoopResult]: At program point L510(line 510) the Hoare annotation is: (let ((.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= 0 ~pumpRunning~0) (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1)))) (or .cse0 .cse2 .cse3 .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3))) [2020-07-21 15:41:04,737 INFO L264 CegarLoopResult]: At program point L508(lines 508 514) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse4 (and (= 0 ~methaneLevelCritical~0) .cse5)) (let ((.cse6 (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1)))) (or (and .cse4 .cse6) .cse0 (and .cse1 .cse6 .cse5) .cse3 (not (= 0 |old(~pumpRunning~0)|)))))) [2020-07-21 15:41:04,737 INFO L264 CegarLoopResult]: At program point L503(line 503) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (= 0 ~methAndRunningLastTime~0) .cse2 .cse1) (or .cse0 .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1)))))) [2020-07-21 15:41:04,737 INFO L268 CegarLoopResult]: For program point L501(lines 500 519) no Hoare annotation was computed. [2020-07-21 15:41:04,738 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 497 520) the Hoare annotation is: (let ((.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= 0 ~pumpRunning~0) .cse3)) (or .cse0 .cse2 .cse4 .cse1) (or .cse0 .cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3)))) [2020-07-21 15:41:04,738 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 497 520) no Hoare annotation was computed. [2020-07-21 15:41:04,738 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 497 520) no Hoare annotation was computed. [2020-07-21 15:41:04,738 INFO L268 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-07-21 15:41:04,738 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 757 786) no Hoare annotation was computed. [2020-07-21 15:41:04,738 INFO L271 CegarLoopResult]: At program point L767-2(lines 767 781) the Hoare annotation is: true [2020-07-21 15:41:04,738 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 757 786) the Hoare annotation is: true [2020-07-21 15:41:04,739 INFO L271 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: true [2020-07-21 15:41:04,739 INFO L268 CegarLoopResult]: For program point L763-1(line 763) no Hoare annotation was computed. [2020-07-21 15:41:04,739 INFO L271 CegarLoopResult]: At program point L782(lines 757 786) the Hoare annotation is: true [2020-07-21 15:41:04,739 INFO L268 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed. [2020-07-21 15:41:04,739 INFO L268 CegarLoopResult]: For program point L771(lines 771 775) no Hoare annotation was computed. [2020-07-21 15:41:04,739 INFO L271 CegarLoopResult]: At program point L771-1(lines 771 775) the Hoare annotation is: true [2020-07-21 15:41:04,739 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 895 903) the Hoare annotation is: true [2020-07-21 15:41:04,739 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 895 903) no Hoare annotation was computed. [2020-07-21 15:41:04,740 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 895 903) no Hoare annotation was computed. [2020-07-21 15:41:04,740 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 859 870) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1) (not (<= 1 ~pumpRunning~0))) [2020-07-21 15:41:04,740 INFO L268 CegarLoopResult]: For program point L863-1(lines 859 870) no Hoare annotation was computed. [2020-07-21 15:41:04,740 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 859 870) no Hoare annotation was computed. [2020-07-21 15:41:04,740 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 811 817) no Hoare annotation was computed. [2020-07-21 15:41:04,740 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 811 817) the Hoare annotation is: true [2020-07-21 15:41:04,740 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:41:04,740 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 15:41:04,741 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:41:04,741 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:41:04,741 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 529 553) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:41:04,741 INFO L264 CegarLoopResult]: At program point L543(line 543) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:41:04,741 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 529 553) no Hoare annotation was computed. [2020-07-21 15:41:04,741 INFO L264 CegarLoopResult]: At program point L539(line 539) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:41:04,742 INFO L268 CegarLoopResult]: For program point L537(lines 537 545) no Hoare annotation was computed. [2020-07-21 15:41:04,742 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:41:04,742 INFO L268 CegarLoopResult]: For program point L535-1(line 535) no Hoare annotation was computed. [2020-07-21 15:41:04,742 INFO L268 CegarLoopResult]: For program point L533(lines 533 550) no Hoare annotation was computed. [2020-07-21 15:41:04,742 INFO L264 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:41:04,742 INFO L268 CegarLoopResult]: For program point L548-1(lines 529 553) no Hoare annotation was computed. [2020-07-21 15:41:04,742 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 871 882) no Hoare annotation was computed. [2020-07-21 15:41:04,743 INFO L268 CegarLoopResult]: For program point L875-1(lines 871 882) no Hoare annotation was computed. [2020-07-21 15:41:04,743 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 871 882) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (< 0 ~waterLevel~0)) (.cse2 (< |old(~waterLevel~0)| 1))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))))) [2020-07-21 15:41:04,743 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-21 15:41:04,743 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-21 15:41:04,743 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-21 15:41:04,743 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-21 15:41:04,743 INFO L264 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:41:04,744 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 555 579) no Hoare annotation was computed. [2020-07-21 15:41:04,744 INFO L268 CegarLoopResult]: For program point L574-1(lines 555 579) no Hoare annotation was computed. [2020-07-21 15:41:04,744 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 555 579) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:41:04,744 INFO L264 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:41:04,744 INFO L264 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:41:04,744 INFO L268 CegarLoopResult]: For program point L563(lines 563 571) no Hoare annotation was computed. [2020-07-21 15:41:04,744 INFO L264 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:41:04,744 INFO L268 CegarLoopResult]: For program point L561-1(line 561) no Hoare annotation was computed. [2020-07-21 15:41:04,745 INFO L268 CegarLoopResult]: For program point L559(lines 559 576) no Hoare annotation was computed. [2020-07-21 15:41:04,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:41:04 BoogieIcfgContainer [2020-07-21 15:41:04,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 15:41:04,771 INFO L168 Benchmark]: Toolchain (without parser) took 14654.79 ms. Allocated memory was 138.4 MB in the beginning and 413.7 MB in the end (delta: 275.3 MB). Free memory was 102.3 MB in the beginning and 157.7 MB in the end (delta: -55.4 MB). Peak memory consumption was 247.9 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:04,772 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 15:41:04,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.81 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 101.8 MB in the beginning and 170.3 MB in the end (delta: -68.4 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:04,774 INFO L168 Benchmark]: Boogie Preprocessor took 124.43 ms. Allocated memory is still 203.9 MB. Free memory was 170.3 MB in the beginning and 166.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:04,776 INFO L168 Benchmark]: RCFGBuilder took 1168.54 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 166.2 MB in the beginning and 192.8 MB in the end (delta: -26.6 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:04,779 INFO L168 Benchmark]: TraceAbstraction took 12645.72 ms. Allocated memory was 236.5 MB in the beginning and 413.7 MB in the end (delta: 177.2 MB). Free memory was 191.4 MB in the beginning and 157.7 MB in the end (delta: 33.7 MB). Peak memory consumption was 239.0 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:04,788 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 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 709.81 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 101.8 MB in the beginning and 170.3 MB in the end (delta: -68.4 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.43 ms. Allocated memory is still 203.9 MB. Free memory was 170.3 MB in the beginning and 166.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1168.54 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 166.2 MB in the beginning and 192.8 MB in the end (delta: -26.6 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12645.72 ms. Allocated memory was 236.5 MB in the beginning and 413.7 MB in the end (delta: 177.2 MB). Free memory was 191.4 MB in the beginning and 157.7 MB in the end (delta: 33.7 MB). Peak memory consumption was 239.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: (((((!(1 <= systemActive) || (splverifierCounter <= 0 && 1 <= pumpRunning)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((0 == methAndRunningLastTime && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((!(0 == \old(methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= systemActive) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 250 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.4s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1576 SDtfs, 837 SDslu, 2259 SDs, 0 SdLazy, 1161 SolverSat, 167 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1195 GetRequests, 1150 SyntacticMatches, 7 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=588occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 58 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 1467 PreInvPairs, 1581 NumberOfFragments, 1492 HoareAnnotationTreeSize, 1467 FomulaSimplifications, 2317 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 67 FomulaSimplificationsInter, 9408 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1020 NumberOfCodeBlocks, 937 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1177 ConstructedInterpolants, 0 QuantifiedInterpolants, 246053 SizeOfPredicates, 20 NumberOfNonLiveVariables, 7154 ConjunctsInSsa, 87 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 339/340 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...