/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:01:53,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:01:53,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:01:53,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:01:53,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:01:53,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:01:53,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:01:53,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:01:53,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:01:53,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:01:53,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:01:53,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:01:53,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:01:53,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:01:53,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:01:53,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:01:53,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:01:53,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:01:53,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:01:53,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:01:53,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:01:53,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:01:53,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:01:53,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:01:53,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:01:53,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:01:53,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:01:53,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:01:53,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:01:53,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:01:53,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:01:53,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:01:53,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:01:53,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:01:53,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:01:53,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:01:53,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:01:53,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:01:53,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:01:53,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:01:53,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:01:53,944 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 13:01:53,985 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:01:53,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:01:53,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:01:53,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:01:53,987 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:01:53,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:01:53,987 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:01:53,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:01:53,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:01:53,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:01:53,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:01:53,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:01:53,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:01:53,993 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:01:53,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:01:53,993 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:01:53,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:01:53,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:01:53,994 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:01:53,994 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:01:53,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:01:53,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:01:53,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:01:53,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:01:53,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:01:53,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:01:53,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:53,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:01:53,996 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:01:53,996 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 13:01:54,307 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:01:54,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:01:54,324 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:01:54,325 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:01:54,325 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:01:54,326 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2020-07-20 13:01:54,392 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6961bb9f3/66b592fc758b4c93ad36dd9e06dc9e47/FLAGe3b5f8a97 [2020-07-20 13:01:54,996 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:01:54,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2020-07-20 13:01:55,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6961bb9f3/66b592fc758b4c93ad36dd9e06dc9e47/FLAGe3b5f8a97 [2020-07-20 13:01:55,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6961bb9f3/66b592fc758b4c93ad36dd9e06dc9e47 [2020-07-20 13:01:55,269 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:01:55,272 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:01:55,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:01:55,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:01:55,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:01:55,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:01:55" (1/1) ... [2020-07-20 13:01:55,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc8bdc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:55, skipping insertion in model container [2020-07-20 13:01:55,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:01:55" (1/1) ... [2020-07-20 13:01:55,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:01:55,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:01:55,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:01:55,758 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:01:55,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:01:55,950 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:01:55,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:55 WrapperNode [2020-07-20 13:01:55,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:01:55,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:01:55,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:01:55,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:01:55,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:55" (1/1) ... [2020-07-20 13:01:55,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:55" (1/1) ... [2020-07-20 13:01:55,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:55" (1/1) ... [2020-07-20 13:01:55,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:55" (1/1) ... [2020-07-20 13:01:56,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:55" (1/1) ... [2020-07-20 13:01:56,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:55" (1/1) ... [2020-07-20 13:01:56,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:55" (1/1) ... [2020-07-20 13:01:56,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:01:56,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:01:56,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:01:56,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:01:56,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:01:56,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:01:56,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:01:56,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:01:56,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:01:56,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:01:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:01:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:01:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:01:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:01:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:01:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:01:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:01:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:01:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:01:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:01:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:01:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:01:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 13:01:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:01:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 13:01:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:01:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:01:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:01:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:01:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:01:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 13:01:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:01:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:01:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:01:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:01:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:01:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:01:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:01:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 13:01:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:01:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:01:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:01:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:01:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 13:01:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 13:01:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:01:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:01:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:01:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:01:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:01:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:01:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:01:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:01:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:01:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:01:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:01:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:01:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:01:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:01:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:01:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:01:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:01:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:01:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:01:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:01:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:01:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:01:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:01:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:01:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:01:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:01:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:01:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:01:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 13:01:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:01:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:01:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:01:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:01:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:01:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:01:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:01:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:01:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:01:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 13:01:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:01:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:01:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:01:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 13:01:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:01:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:01:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 13:01:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 13:01:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:01:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 13:01:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:01:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:01:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:01:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:01:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:01:57,207 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:01:57,207 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:01:57,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:01:57 BoogieIcfgContainer [2020-07-20 13:01:57,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:01:57,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:01:57,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:01:57,218 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:01:57,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:01:55" (1/3) ... [2020-07-20 13:01:57,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f71b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:01:57, skipping insertion in model container [2020-07-20 13:01:57,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:55" (2/3) ... [2020-07-20 13:01:57,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f71b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:01:57, skipping insertion in model container [2020-07-20 13:01:57,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:01:57" (3/3) ... [2020-07-20 13:01:57,222 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45.cil.c [2020-07-20 13:01:57,234 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:01:57,243 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:01:57,258 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:01:57,285 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:01:57,285 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:01:57,285 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:01:57,286 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:01:57,286 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:01:57,286 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:01:57,286 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:01:57,287 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:01:57,310 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2020-07-20 13:01:57,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 13:01:57,321 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:57,322 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:01:57,322 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:57,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:57,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1016037874, now seen corresponding path program 1 times [2020-07-20 13:01:57,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:57,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2041801835] [2020-07-20 13:01:57,339 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:57,869 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:57,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:57,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:01:57,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:57,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:01:57,916 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:57,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2041801835] [2020-07-20 13:01:57,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:57,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:01:57,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830365060] [2020-07-20 13:01:57,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:01:57,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:57,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:01:57,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:01:57,943 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 2 states. [2020-07-20 13:01:57,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:57,991 INFO L93 Difference]: Finished difference Result 266 states and 333 transitions. [2020-07-20 13:01:57,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:01:57,993 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 13:01:57,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:58,006 INFO L225 Difference]: With dead ends: 266 [2020-07-20 13:01:58,006 INFO L226 Difference]: Without dead ends: 135 [2020-07-20 13:01:58,011 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 [2020-07-20 13:01:58,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-07-20 13:01:58,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2020-07-20 13:01:58,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-07-20 13:01:58,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 160 transitions. [2020-07-20 13:01:58,073 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 160 transitions. Word has length 51 [2020-07-20 13:01:58,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:58,074 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 160 transitions. [2020-07-20 13:01:58,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:01:58,074 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 160 transitions. [2020-07-20 13:01:58,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 13:01:58,079 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:58,079 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] [2020-07-20 13:01:58,293 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:58,294 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:58,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:58,294 INFO L82 PathProgramCache]: Analyzing trace with hash 2062541652, now seen corresponding path program 1 times [2020-07-20 13:01:58,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:58,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [709184773] [2020-07-20 13:01:58,295 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:58,765 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:58,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:58,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:01:58,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:58,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:01:58,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:58,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [709184773] [2020-07-20 13:01:58,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:58,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:01:58,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052612079] [2020-07-20 13:01:58,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:01:58,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:58,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:01:58,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:58,817 INFO L87 Difference]: Start difference. First operand 135 states and 160 transitions. Second operand 3 states. [2020-07-20 13:01:58,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:58,841 INFO L93 Difference]: Finished difference Result 215 states and 255 transitions. [2020-07-20 13:01:58,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:01:58,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 13:01:58,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:58,844 INFO L225 Difference]: With dead ends: 215 [2020-07-20 13:01:58,845 INFO L226 Difference]: Without dead ends: 126 [2020-07-20 13:01:58,847 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 [2020-07-20 13:01:58,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-07-20 13:01:58,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2020-07-20 13:01:58,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-07-20 13:01:58,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 148 transitions. [2020-07-20 13:01:58,871 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 148 transitions. Word has length 52 [2020-07-20 13:01:58,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:58,872 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 148 transitions. [2020-07-20 13:01:58,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:01:58,874 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions. [2020-07-20 13:01:58,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-20 13:01:58,879 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:58,879 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:01:59,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:59,094 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:59,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:59,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1086390402, now seen corresponding path program 1 times [2020-07-20 13:01:59,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:59,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [169496035] [2020-07-20 13:01:59,097 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:59,487 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:59,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:59,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:01:59,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:59,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:01:59,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:59,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [169496035] [2020-07-20 13:01:59,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:59,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:01:59,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722660807] [2020-07-20 13:01:59,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:01:59,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:59,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:01:59,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:59,520 INFO L87 Difference]: Start difference. First operand 126 states and 148 transitions. Second operand 3 states. [2020-07-20 13:01:59,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:59,552 INFO L93 Difference]: Finished difference Result 224 states and 269 transitions. [2020-07-20 13:01:59,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:01:59,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-07-20 13:01:59,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:59,557 INFO L225 Difference]: With dead ends: 224 [2020-07-20 13:01:59,557 INFO L226 Difference]: Without dead ends: 126 [2020-07-20 13:01:59,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:59,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-07-20 13:01:59,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2020-07-20 13:01:59,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-07-20 13:01:59,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2020-07-20 13:01:59,592 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 56 [2020-07-20 13:01:59,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:59,592 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2020-07-20 13:01:59,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:01:59,593 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2020-07-20 13:01:59,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-20 13:01:59,599 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:59,600 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:01:59,800 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:59,801 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:59,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:59,802 INFO L82 PathProgramCache]: Analyzing trace with hash -848651131, now seen corresponding path program 1 times [2020-07-20 13:01:59,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:59,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [78768283] [2020-07-20 13:01:59,804 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:00,238 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:00,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:00,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 13:02:00,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:00,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:00,312 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:00,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [78768283] [2020-07-20 13:02:00,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:00,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:02:00,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872839318] [2020-07-20 13:02:00,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:02:00,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:00,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:02:00,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:02:00,315 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 6 states. [2020-07-20 13:02:01,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:01,029 INFO L93 Difference]: Finished difference Result 308 states and 376 transitions. [2020-07-20 13:02:01,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:02:01,032 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-07-20 13:02:01,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:01,037 INFO L225 Difference]: With dead ends: 308 [2020-07-20 13:02:01,037 INFO L226 Difference]: Without dead ends: 210 [2020-07-20 13:02:01,038 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:02:01,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-07-20 13:02:01,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 195. [2020-07-20 13:02:01,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-07-20 13:02:01,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 222 transitions. [2020-07-20 13:02:01,081 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 222 transitions. Word has length 69 [2020-07-20 13:02:01,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:01,082 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 222 transitions. [2020-07-20 13:02:01,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:02:01,082 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 222 transitions. [2020-07-20 13:02:01,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-20 13:02:01,085 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:01,085 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:01,293 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:01,294 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:01,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:01,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1442987939, now seen corresponding path program 1 times [2020-07-20 13:02:01,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:01,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1948691765] [2020-07-20 13:02:01,296 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:01,692 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:02:01,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:01,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 13:02:01,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:01,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:01,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:01,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1948691765] [2020-07-20 13:02:01,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:01,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:02:01,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171132946] [2020-07-20 13:02:01,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:02:01,751 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:01,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:02:01,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:02:01,752 INFO L87 Difference]: Start difference. First operand 195 states and 222 transitions. Second operand 6 states. [2020-07-20 13:02:02,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:02,006 INFO L93 Difference]: Finished difference Result 516 states and 608 transitions. [2020-07-20 13:02:02,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:02:02,009 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-07-20 13:02:02,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:02,014 INFO L225 Difference]: With dead ends: 516 [2020-07-20 13:02:02,021 INFO L226 Difference]: Without dead ends: 349 [2020-07-20 13:02:02,023 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:02:02,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2020-07-20 13:02:02,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 345. [2020-07-20 13:02:02,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2020-07-20 13:02:02,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 394 transitions. [2020-07-20 13:02:02,079 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 394 transitions. Word has length 83 [2020-07-20 13:02:02,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:02,080 INFO L479 AbstractCegarLoop]: Abstraction has 345 states and 394 transitions. [2020-07-20 13:02:02,080 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:02:02,080 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 394 transitions. [2020-07-20 13:02:02,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-20 13:02:02,082 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:02,082 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:02,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:02,298 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:02,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:02,299 INFO L82 PathProgramCache]: Analyzing trace with hash -142547263, now seen corresponding path program 1 times [2020-07-20 13:02:02,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:02,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732316959] [2020-07-20 13:02:02,300 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:02,680 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:02:02,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:02,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:02:02,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:02,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:02,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:02,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732316959] [2020-07-20 13:02:02,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:02,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:02:02,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224000699] [2020-07-20 13:02:02,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:02:02,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:02,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:02:02,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:02:02,732 INFO L87 Difference]: Start difference. First operand 345 states and 394 transitions. Second operand 6 states. [2020-07-20 13:02:02,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:02,946 INFO L93 Difference]: Finished difference Result 665 states and 768 transitions. [2020-07-20 13:02:02,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:02:02,946 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2020-07-20 13:02:02,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:02,952 INFO L225 Difference]: With dead ends: 665 [2020-07-20 13:02:02,952 INFO L226 Difference]: Without dead ends: 348 [2020-07-20 13:02:02,955 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:02:02,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-07-20 13:02:02,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 344. [2020-07-20 13:02:02,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-07-20 13:02:02,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 391 transitions. [2020-07-20 13:02:02,993 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 391 transitions. Word has length 87 [2020-07-20 13:02:02,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:02,994 INFO L479 AbstractCegarLoop]: Abstraction has 344 states and 391 transitions. [2020-07-20 13:02:02,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:02:02,994 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 391 transitions. [2020-07-20 13:02:02,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-20 13:02:03,000 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:03,001 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:03,213 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:03,214 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:03,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:03,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1138633269, now seen corresponding path program 1 times [2020-07-20 13:02:03,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:03,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1249890458] [2020-07-20 13:02:03,215 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:03,606 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:03,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:03,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:02:03,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:03,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:02:03,648 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:03,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1249890458] [2020-07-20 13:02:03,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:03,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:02:03,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802868513] [2020-07-20 13:02:03,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:02:03,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:03,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:02:03,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:02:03,650 INFO L87 Difference]: Start difference. First operand 344 states and 391 transitions. Second operand 6 states. [2020-07-20 13:02:03,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:03,690 INFO L93 Difference]: Finished difference Result 674 states and 782 transitions. [2020-07-20 13:02:03,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:02:03,691 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2020-07-20 13:02:03,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:03,694 INFO L225 Difference]: With dead ends: 674 [2020-07-20 13:02:03,694 INFO L226 Difference]: Without dead ends: 358 [2020-07-20 13:02:03,696 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:02:03,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2020-07-20 13:02:03,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 354. [2020-07-20 13:02:03,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2020-07-20 13:02:03,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 401 transitions. [2020-07-20 13:02:03,718 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 401 transitions. Word has length 103 [2020-07-20 13:02:03,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:03,719 INFO L479 AbstractCegarLoop]: Abstraction has 354 states and 401 transitions. [2020-07-20 13:02:03,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:02:03,719 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 401 transitions. [2020-07-20 13:02:03,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-20 13:02:03,721 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:03,721 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:03,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:03,936 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:03,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:03,937 INFO L82 PathProgramCache]: Analyzing trace with hash 789639433, now seen corresponding path program 1 times [2020-07-20 13:02:03,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:03,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [777470816] [2020-07-20 13:02:03,938 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:04,253 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:04,254 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:04,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 13:02:04,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:04,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:02:04,297 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:04,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [777470816] [2020-07-20 13:02:04,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:04,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:02:04,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121420586] [2020-07-20 13:02:04,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:02:04,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:04,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:02:04,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:02:04,300 INFO L87 Difference]: Start difference. First operand 354 states and 401 transitions. Second operand 5 states. [2020-07-20 13:02:04,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:04,328 INFO L93 Difference]: Finished difference Result 694 states and 804 transitions. [2020-07-20 13:02:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:02:04,329 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2020-07-20 13:02:04,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:04,332 INFO L225 Difference]: With dead ends: 694 [2020-07-20 13:02:04,332 INFO L226 Difference]: Without dead ends: 368 [2020-07-20 13:02:04,333 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:02:04,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2020-07-20 13:02:04,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 362. [2020-07-20 13:02:04,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2020-07-20 13:02:04,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 409 transitions. [2020-07-20 13:02:04,355 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 409 transitions. Word has length 103 [2020-07-20 13:02:04,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:04,355 INFO L479 AbstractCegarLoop]: Abstraction has 362 states and 409 transitions. [2020-07-20 13:02:04,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:02:04,356 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 409 transitions. [2020-07-20 13:02:04,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-20 13:02:04,357 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:04,358 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:04,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:04,571 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:04,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:04,572 INFO L82 PathProgramCache]: Analyzing trace with hash 549099304, now seen corresponding path program 1 times [2020-07-20 13:02:04,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:04,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [535949460] [2020-07-20 13:02:04,573 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:04,869 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:04,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:04,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 13:02:04,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:04,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:02:04,914 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:04,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [535949460] [2020-07-20 13:02:04,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:04,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:02:04,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201559538] [2020-07-20 13:02:04,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:02:04,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:04,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:02:04,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:02:04,918 INFO L87 Difference]: Start difference. First operand 362 states and 409 transitions. Second operand 3 states. [2020-07-20 13:02:04,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:04,963 INFO L93 Difference]: Finished difference Result 946 states and 1119 transitions. [2020-07-20 13:02:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:02:04,964 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-07-20 13:02:04,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:04,969 INFO L225 Difference]: With dead ends: 946 [2020-07-20 13:02:04,969 INFO L226 Difference]: Without dead ends: 612 [2020-07-20 13:02:04,971 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:02:04,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2020-07-20 13:02:05,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 609. [2020-07-20 13:02:05,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2020-07-20 13:02:05,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 708 transitions. [2020-07-20 13:02:05,034 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 708 transitions. Word has length 103 [2020-07-20 13:02:05,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:05,035 INFO L479 AbstractCegarLoop]: Abstraction has 609 states and 708 transitions. [2020-07-20 13:02:05,035 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:02:05,035 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 708 transitions. [2020-07-20 13:02:05,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 13:02:05,037 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:05,038 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:05,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:05,252 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:05,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:05,253 INFO L82 PathProgramCache]: Analyzing trace with hash 290063790, now seen corresponding path program 1 times [2020-07-20 13:02:05,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:05,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1480921340] [2020-07-20 13:02:05,254 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:05,604 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:02:05,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:05,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 13:02:05,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:05,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:05,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:05,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1480921340] [2020-07-20 13:02:05,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:05,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 13:02:05,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180388701] [2020-07-20 13:02:05,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 13:02:05,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:05,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 13:02:05,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:02:05,691 INFO L87 Difference]: Start difference. First operand 609 states and 708 transitions. Second operand 8 states. [2020-07-20 13:02:06,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:06,071 INFO L93 Difference]: Finished difference Result 1177 states and 1378 transitions. [2020-07-20 13:02:06,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 13:02:06,072 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2020-07-20 13:02:06,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:06,075 INFO L225 Difference]: With dead ends: 1177 [2020-07-20 13:02:06,075 INFO L226 Difference]: Without dead ends: 596 [2020-07-20 13:02:06,078 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:02:06,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-07-20 13:02:06,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 596. [2020-07-20 13:02:06,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-07-20 13:02:06,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 685 transitions. [2020-07-20 13:02:06,119 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 685 transitions. Word has length 107 [2020-07-20 13:02:06,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:06,120 INFO L479 AbstractCegarLoop]: Abstraction has 596 states and 685 transitions. [2020-07-20 13:02:06,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 13:02:06,120 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 685 transitions. [2020-07-20 13:02:06,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-20 13:02:06,125 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:06,125 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:06,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:06,339 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:06,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:06,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1933824326, now seen corresponding path program 1 times [2020-07-20 13:02:06,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:06,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1578343593] [2020-07-20 13:02:06,340 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:06,788 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:02:06,788 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:06,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 13:02:06,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:06,884 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 13:02:06,885 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:06,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1578343593] [2020-07-20 13:02:06,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:06,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 13:02:06,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253761069] [2020-07-20 13:02:06,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 13:02:06,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:06,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 13:02:06,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:02:06,887 INFO L87 Difference]: Start difference. First operand 596 states and 685 transitions. Second operand 8 states. [2020-07-20 13:02:07,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:07,322 INFO L93 Difference]: Finished difference Result 1083 states and 1252 transitions. [2020-07-20 13:02:07,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 13:02:07,323 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 158 [2020-07-20 13:02:07,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:07,324 INFO L225 Difference]: With dead ends: 1083 [2020-07-20 13:02:07,324 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:02:07,327 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 150 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:02:07,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:02:07,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:02:07,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:02:07,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:02:07,328 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2020-07-20 13:02:07,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:07,329 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:02:07,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 13:02:07,329 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:02:07,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:02:07,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:07,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:02:08,518 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 16 [2020-07-20 13:02:08,794 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2020-07-20 13:02:09,446 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 23 [2020-07-20 13:02:09,753 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2020-07-20 13:02:09,885 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 21 [2020-07-20 13:02:10,097 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 27 [2020-07-20 13:02:10,282 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 19 [2020-07-20 13:02:10,629 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 23 [2020-07-20 13:02:11,361 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-20 13:02:11,361 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-20 13:02:11,361 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 13:02:11,361 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-20 13:02:11,361 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-20 13:02:11,362 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-20 13:02:11,362 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-20 13:02:11,362 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-20 13:02:11,362 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 13:02:11,362 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-20 13:02:11,362 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-20 13:02:11,362 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-20 13:02:11,362 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-20 13:02:11,362 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 13:02:11,362 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-20 13:02:11,362 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-20 13:02:11,363 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-20 13:02:11,363 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-20 13:02:11,363 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 902 908) the Hoare annotation is: true [2020-07-20 13:02:11,363 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 902 908) no Hoare annotation was computed. [2020-07-20 13:02:11,363 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 909 917) no Hoare annotation was computed. [2020-07-20 13:02:11,364 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 909 917) the Hoare annotation is: true [2020-07-20 13:02:11,364 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 909 917) no Hoare annotation was computed. [2020-07-20 13:02:11,364 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 497 519) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 13:02:11,364 INFO L264 CegarLoopResult]: At program point L509(line 509) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 13:02:11,365 INFO L264 CegarLoopResult]: At program point L509-1(line 509) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 13:02:11,365 INFO L268 CegarLoopResult]: For program point L507(lines 507 514) no Hoare annotation was computed. [2020-07-20 13:02:11,365 INFO L268 CegarLoopResult]: For program point L507-1(lines 507 514) no Hoare annotation was computed. [2020-07-20 13:02:11,365 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 13:02:11,365 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 497 519) no Hoare annotation was computed. [2020-07-20 13:02:11,365 INFO L264 CegarLoopResult]: At program point L504(line 504) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 13:02:11,365 INFO L264 CegarLoopResult]: At program point L503(line 503) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 13:02:11,366 INFO L264 CegarLoopResult]: At program point L503-1(line 503) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 13:02:11,366 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 497 519) no Hoare annotation was computed. [2020-07-20 13:02:11,366 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 450 473) no Hoare annotation was computed. [2020-07-20 13:02:11,366 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 450 473) no Hoare annotation was computed. [2020-07-20 13:02:11,366 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 450 473) no Hoare annotation was computed. [2020-07-20 13:02:11,366 INFO L268 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-07-20 13:02:11,366 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 13:02:11,367 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 13:02:11,367 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-07-20 13:02:11,367 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-20 13:02:11,367 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 13:02:11,367 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-07-20 13:02:11,367 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-20 13:02:11,367 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 13:02:11,367 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-20 13:02:11,368 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 13:02:11,368 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 13:02:11,368 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-20 13:02:11,368 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 13:02:11,368 INFO L264 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not .cse6)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse5 .cse3) (or .cse0 .cse5 .cse4) (or .cse6 .cse0 .cse5)))) [2020-07-20 13:02:11,368 INFO L268 CegarLoopResult]: For program point L572(lines 572 580) no Hoare annotation was computed. [2020-07-20 13:02:11,369 INFO L264 CegarLoopResult]: At program point L570(line 570) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not .cse1) .cse2) (or .cse0 .cse3 .cse2) (or .cse1 .cse0 .cse3))) [2020-07-20 13:02:11,369 INFO L268 CegarLoopResult]: For program point L570-1(line 570) no Hoare annotation was computed. [2020-07-20 13:02:11,369 INFO L268 CegarLoopResult]: For program point L568(lines 568 585) no Hoare annotation was computed. [2020-07-20 13:02:11,369 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 564 588) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:02:11,369 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 564 588) no Hoare annotation was computed. [2020-07-20 13:02:11,369 INFO L264 CegarLoopResult]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse2 .cse1))) [2020-07-20 13:02:11,369 INFO L268 CegarLoopResult]: For program point L583-1(lines 564 588) no Hoare annotation was computed. [2020-07-20 13:02:11,370 INFO L264 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse2 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not .cse3) .cse2))) [2020-07-20 13:02:11,370 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 659 667) no Hoare annotation was computed. [2020-07-20 13:02:11,370 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 659 667) the Hoare annotation is: true [2020-07-20 13:02:11,370 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 659 667) no Hoare annotation was computed. [2020-07-20 13:02:11,370 INFO L268 CegarLoopResult]: For program point L675-2(lines 675 683) no Hoare annotation was computed. [2020-07-20 13:02:11,370 INFO L268 CegarLoopResult]: For program point L698(line 698) no Hoare annotation was computed. [2020-07-20 13:02:11,370 INFO L268 CegarLoopResult]: For program point L698-1(line 698) no Hoare annotation was computed. [2020-07-20 13:02:11,371 INFO L268 CegarLoopResult]: For program point L687(lines 687 695) no Hoare annotation was computed. [2020-07-20 13:02:11,371 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 668 703) no Hoare annotation was computed. [2020-07-20 13:02:11,371 INFO L268 CegarLoopResult]: For program point L687-2(lines 687 695) no Hoare annotation was computed. [2020-07-20 13:02:11,371 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 668 703) no Hoare annotation was computed. [2020-07-20 13:02:11,371 INFO L268 CegarLoopResult]: For program point L675(lines 675 683) no Hoare annotation was computed. [2020-07-20 13:02:11,371 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 668 703) no Hoare annotation was computed. [2020-07-20 13:02:11,371 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 895 901) no Hoare annotation was computed. [2020-07-20 13:02:11,371 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 895 901) the Hoare annotation is: true [2020-07-20 13:02:11,372 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-20 13:02:11,372 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-20 13:02:11,372 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-20 13:02:11,372 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-20 13:02:11,372 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-20 13:02:11,372 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-20 13:02:11,372 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-20 13:02:11,372 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-20 13:02:11,372 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-20 13:02:11,373 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 483 493) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 13:02:11,373 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 483 493) no Hoare annotation was computed. [2020-07-20 13:02:11,373 INFO L264 CegarLoopResult]: At program point L488(line 488) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 13:02:11,373 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 483 493) no Hoare annotation was computed. [2020-07-20 13:02:11,373 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 648 658) the Hoare annotation is: true [2020-07-20 13:02:11,373 INFO L271 CegarLoopResult]: At program point L653(line 653) the Hoare annotation is: true [2020-07-20 13:02:11,373 INFO L268 CegarLoopResult]: For program point L653-1(line 653) no Hoare annotation was computed. [2020-07-20 13:02:11,374 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 648 658) no Hoare annotation was computed. [2020-07-20 13:02:11,374 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 648 658) no Hoare annotation was computed. [2020-07-20 13:02:11,374 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 640 647) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 13:02:11,374 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 640 647) no Hoare annotation was computed. [2020-07-20 13:02:11,374 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 640 647) no Hoare annotation was computed. [2020-07-20 13:02:11,374 INFO L268 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2020-07-20 13:02:11,374 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 869 882) no Hoare annotation was computed. [2020-07-20 13:02:11,374 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 869 882) the Hoare annotation is: true [2020-07-20 13:02:11,375 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 869 882) no Hoare annotation was computed. [2020-07-20 13:02:11,375 INFO L264 CegarLoopResult]: At program point L609(line 609) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse0 .cse3))) [2020-07-20 13:02:11,375 INFO L268 CegarLoopResult]: For program point L609-1(lines 590 614) no Hoare annotation was computed. [2020-07-20 13:02:11,375 INFO L264 CegarLoopResult]: At program point L604(line 604) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-20 13:02:11,375 INFO L264 CegarLoopResult]: At program point L600(line 600) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse0 .cse4 .cse2) (or .cse0 .cse3 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~5) .cse1)))) [2020-07-20 13:02:11,375 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 590 614) no Hoare annotation was computed. [2020-07-20 13:02:11,376 INFO L268 CegarLoopResult]: For program point L598(lines 598 606) no Hoare annotation was computed. [2020-07-20 13:02:11,376 INFO L264 CegarLoopResult]: At program point L596(line 596) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse0 .cse4 .cse2) (or .cse0 .cse3 .cse1))) [2020-07-20 13:02:11,376 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 590 614) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 13:02:11,376 INFO L268 CegarLoopResult]: For program point L596-1(line 596) no Hoare annotation was computed. [2020-07-20 13:02:11,376 INFO L268 CegarLoopResult]: For program point L594(lines 594 611) no Hoare annotation was computed. [2020-07-20 13:02:11,376 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 556 562) no Hoare annotation was computed. [2020-07-20 13:02:11,376 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 556 562) the Hoare annotation is: true [2020-07-20 13:02:11,377 INFO L264 CegarLoopResult]: At program point L770-2(lines 764 775) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0) (and (<= 1 ~methaneLevelCritical~0) .cse0))) [2020-07-20 13:02:11,377 INFO L264 CegarLoopResult]: At program point testENTRY(lines 724 787) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 13:02:11,377 INFO L268 CegarLoopResult]: For program point L735(lines 734 779) no Hoare annotation was computed. [2020-07-20 13:02:11,377 INFO L268 CegarLoopResult]: For program point L764(lines 764 775) no Hoare annotation was computed. [2020-07-20 13:02:11,377 INFO L268 CegarLoopResult]: For program point testFINAL(lines 724 787) no Hoare annotation was computed. [2020-07-20 13:02:11,377 INFO L264 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2020-07-20 13:02:11,378 INFO L268 CegarLoopResult]: For program point L754(lines 754 760) no Hoare annotation was computed. [2020-07-20 13:02:11,378 INFO L268 CegarLoopResult]: For program point L754-1(lines 754 760) no Hoare annotation was computed. [2020-07-20 13:02:11,378 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2020-07-20 13:02:11,378 INFO L264 CegarLoopResult]: At program point L777(lines 734 779) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2020-07-20 13:02:11,378 INFO L268 CegarLoopResult]: For program point L744(lines 744 750) no Hoare annotation was computed. [2020-07-20 13:02:11,378 INFO L268 CegarLoopResult]: For program point L744-1(lines 744 750) no Hoare annotation was computed. [2020-07-20 13:02:11,378 INFO L268 CegarLoopResult]: For program point L736(lines 736 740) no Hoare annotation was computed. [2020-07-20 13:02:11,379 INFO L264 CegarLoopResult]: At program point L780(lines 733 781) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:02:11,379 INFO L268 CegarLoopResult]: For program point testEXIT(lines 724 787) no Hoare annotation was computed. [2020-07-20 13:02:11,379 INFO L268 CegarLoopResult]: For program point L770(lines 770 774) no Hoare annotation was computed. [2020-07-20 13:02:11,379 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-20 13:02:11,379 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-20 13:02:11,379 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-20 13:02:11,379 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-20 13:02:11,379 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-20 13:02:11,379 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-20 13:02:11,380 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 615 622) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)) [2020-07-20 13:02:11,380 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 615 622) no Hoare annotation was computed. [2020-07-20 13:02:11,380 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 615 622) no Hoare annotation was computed. [2020-07-20 13:02:11,380 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 928 956) the Hoare annotation is: true [2020-07-20 13:02:11,380 INFO L264 CegarLoopResult]: At program point L943(line 943) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0))) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 13:02:11,380 INFO L268 CegarLoopResult]: For program point L941(lines 941 947) no Hoare annotation was computed. [2020-07-20 13:02:11,380 INFO L268 CegarLoopResult]: For program point L940(lines 940 950) no Hoare annotation was computed. [2020-07-20 13:02:11,381 INFO L264 CegarLoopResult]: At program point L938(line 938) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~methaneLevelCritical~0))) [2020-07-20 13:02:11,381 INFO L268 CegarLoopResult]: For program point L938-1(line 938) no Hoare annotation was computed. [2020-07-20 13:02:11,381 INFO L268 CegarLoopResult]: For program point L936(lines 936 953) no Hoare annotation was computed. [2020-07-20 13:02:11,381 INFO L268 CegarLoopResult]: For program point L936-1(lines 928 956) no Hoare annotation was computed. [2020-07-20 13:02:11,381 INFO L271 CegarLoopResult]: At program point L934(line 934) the Hoare annotation is: true [2020-07-20 13:02:11,381 INFO L268 CegarLoopResult]: For program point L934-1(line 934) no Hoare annotation was computed. [2020-07-20 13:02:11,381 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 928 956) no Hoare annotation was computed. [2020-07-20 13:02:11,381 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 920 927) the Hoare annotation is: true [2020-07-20 13:02:11,382 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 920 927) no Hoare annotation was computed. [2020-07-20 13:02:11,382 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 920 927) no Hoare annotation was computed. [2020-07-20 13:02:11,382 INFO L268 CegarLoopResult]: For program point L845(lines 845 853) no Hoare annotation was computed. [2020-07-20 13:02:11,382 INFO L268 CegarLoopResult]: For program point L845-2(lines 845 853) no Hoare annotation was computed. [2020-07-20 13:02:11,382 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 837 859) no Hoare annotation was computed. [2020-07-20 13:02:11,382 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 837 859) no Hoare annotation was computed. [2020-07-20 13:02:11,382 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 837 859) no Hoare annotation was computed. [2020-07-20 13:02:11,382 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-20 13:02:11,383 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-20 13:02:11,383 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-20 13:02:11,383 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 13:02:11,383 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-20 13:02:11,383 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-20 13:02:11,383 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-20 13:02:11,383 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 13:02:11,383 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-20 13:02:11,384 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-20 13:02:11,384 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-20 13:02:11,384 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-20 13:02:11,384 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-20 13:02:11,384 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-20 13:02:11,384 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-20 13:02:11,384 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-20 13:02:11,384 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 885 894) no Hoare annotation was computed. [2020-07-20 13:02:11,385 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 885 894) no Hoare annotation was computed. [2020-07-20 13:02:11,385 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 885 894) no Hoare annotation was computed. [2020-07-20 13:02:11,385 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:02:11,385 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2020-07-20 13:02:11,385 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:02:11,385 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 623 639) no Hoare annotation was computed. [2020-07-20 13:02:11,385 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:02:11,386 INFO L268 CegarLoopResult]: For program point L634-1(lines 623 639) no Hoare annotation was computed. [2020-07-20 13:02:11,386 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 623 639) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 13:02:11,386 INFO L268 CegarLoopResult]: For program point L630(lines 630 636) no Hoare annotation was computed. [2020-07-20 13:02:11,386 INFO L264 CegarLoopResult]: At program point L628(line 628) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 13:02:11,386 INFO L268 CegarLoopResult]: For program point L628-1(line 628) no Hoare annotation was computed. [2020-07-20 13:02:11,386 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 704 722) no Hoare annotation was computed. [2020-07-20 13:02:11,386 INFO L268 CegarLoopResult]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-07-20 13:02:11,386 INFO L271 CegarLoopResult]: At program point L711(line 711) the Hoare annotation is: true [2020-07-20 13:02:11,387 INFO L268 CegarLoopResult]: For program point L713-2(lines 713 717) no Hoare annotation was computed. [2020-07-20 13:02:11,387 INFO L268 CegarLoopResult]: For program point L711-1(line 711) no Hoare annotation was computed. [2020-07-20 13:02:11,387 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 704 722) the Hoare annotation is: true [2020-07-20 13:02:11,387 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 704 722) no Hoare annotation was computed. [2020-07-20 13:02:11,387 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 860 868) no Hoare annotation was computed. [2020-07-20 13:02:11,387 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 860 868) no Hoare annotation was computed. [2020-07-20 13:02:11,387 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 860 868) no Hoare annotation was computed. [2020-07-20 13:02:11,387 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:02:11,388 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:02:11,388 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:02:11,388 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 816 827) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (<= 1 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|))) (or .cse0 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))))) [2020-07-20 13:02:11,388 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 816 827) no Hoare annotation was computed. [2020-07-20 13:02:11,388 INFO L268 CegarLoopResult]: For program point L820-1(lines 816 827) no Hoare annotation was computed. [2020-07-20 13:02:11,388 INFO L264 CegarLoopResult]: At program point L545(line 545) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2 .cse4) (or .cse0 .cse5 .cse1) (or .cse3 .cse0 .cse5 .cse4))) [2020-07-20 13:02:11,389 INFO L264 CegarLoopResult]: At program point L543(lines 543 549) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (not .cse2) .cse3 .cse4) (or .cse1 .cse5 .cse4) (or .cse2 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse6) (or .cse0 .cse1 .cse5 .cse6))) [2020-07-20 13:02:11,389 INFO L264 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse6) (or .cse0 .cse4 .cse2) (or .cse0 .cse3 .cse1) (or .cse5 .cse0 .cse3 .cse6))) [2020-07-20 13:02:11,389 INFO L268 CegarLoopResult]: For program point L536(lines 535 554) no Hoare annotation was computed. [2020-07-20 13:02:11,389 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 532 555) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2 .cse4) (or .cse0 .cse5 .cse1) (or .cse3 .cse0 .cse5 .cse4))) [2020-07-20 13:02:11,389 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 532 555) no Hoare annotation was computed. [2020-07-20 13:02:11,389 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 532 555) no Hoare annotation was computed. [2020-07-20 13:02:11,389 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 417 446) no Hoare annotation was computed. [2020-07-20 13:02:11,389 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 417 446) the Hoare annotation is: true [2020-07-20 13:02:11,390 INFO L271 CegarLoopResult]: At program point L442(lines 417 446) the Hoare annotation is: true [2020-07-20 13:02:11,390 INFO L268 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-07-20 13:02:11,390 INFO L268 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-07-20 13:02:11,390 INFO L271 CegarLoopResult]: At program point L431-1(lines 431 435) the Hoare annotation is: true [2020-07-20 13:02:11,390 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-20 13:02:11,390 INFO L271 CegarLoopResult]: At program point L427-2(lines 427 441) the Hoare annotation is: true [2020-07-20 13:02:11,390 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-07-20 13:02:11,390 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-20 13:02:11,391 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 828 836) the Hoare annotation is: true [2020-07-20 13:02:11,391 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 828 836) no Hoare annotation was computed. [2020-07-20 13:02:11,391 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 828 836) no Hoare annotation was computed. [2020-07-20 13:02:11,391 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 792 803) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-20 13:02:11,391 INFO L268 CegarLoopResult]: For program point L796-1(lines 792 803) no Hoare annotation was computed. [2020-07-20 13:02:11,391 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 792 803) no Hoare annotation was computed. [2020-07-20 13:02:11,391 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 474 480) no Hoare annotation was computed. [2020-07-20 13:02:11,391 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 474 480) the Hoare annotation is: true [2020-07-20 13:02:11,392 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:02:11,392 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 13:02:11,392 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:02:11,392 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:02:11,392 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 804 815) no Hoare annotation was computed. [2020-07-20 13:02:11,392 INFO L268 CegarLoopResult]: For program point L808-1(lines 804 815) no Hoare annotation was computed. [2020-07-20 13:02:11,392 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 804 815) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= 0 ~pumpRunning~0))))) [2020-07-20 13:02:11,392 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2020-07-20 13:02:11,393 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-07-20 13:02:11,393 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2020-07-20 13:02:11,393 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2020-07-20 13:02:11,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:02:11 BoogieIcfgContainer [2020-07-20 13:02:11,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:02:11,413 INFO L168 Benchmark]: Toolchain (without parser) took 16142.30 ms. Allocated memory was 146.3 MB in the beginning and 362.8 MB in the end (delta: 216.5 MB). Free memory was 102.7 MB in the beginning and 302.1 MB in the end (delta: -199.4 MB). Peak memory consumption was 231.4 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:11,413 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:02:11,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.37 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 102.3 MB in the beginning and 167.0 MB in the end (delta: -64.8 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:11,415 INFO L168 Benchmark]: Boogie Preprocessor took 92.76 ms. Allocated memory is still 202.4 MB. Free memory was 167.0 MB in the beginning and 162.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:11,416 INFO L168 Benchmark]: RCFGBuilder took 1168.72 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 162.3 MB in the beginning and 187.0 MB in the end (delta: -24.7 MB). Peak memory consumption was 77.4 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:11,417 INFO L168 Benchmark]: TraceAbstraction took 14196.26 ms. Allocated memory was 234.4 MB in the beginning and 362.8 MB in the end (delta: 128.5 MB). Free memory was 187.0 MB in the beginning and 302.1 MB in the end (delta: -115.0 MB). Peak memory consumption was 227.7 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:11,420 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.37 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 102.3 MB in the beginning and 167.0 MB in the end (delta: -64.8 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.76 ms. Allocated memory is still 202.4 MB. Free memory was 167.0 MB in the beginning and 162.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1168.72 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 162.3 MB in the beginning and 187.0 MB in the end (delta: -24.7 MB). Peak memory consumption was 77.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14196.26 ms. Allocated memory was 234.4 MB in the beginning and 362.8 MB in the end (delta: 128.5 MB). Free memory was 187.0 MB in the beginning and 302.1 MB in the end (delta: -115.0 MB). Peak memory consumption was 227.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(1 <= systemActive)) || ((1 <= methaneLevelCritical && 0 == pumpRunning) && splverifierCounter <= 0)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (0 == methaneLevelCritical && splverifierCounter <= 0) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= systemActive) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 237 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.2s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1919 SDtfs, 749 SDslu, 3983 SDs, 0 SdLazy, 978 SolverSat, 137 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 968 GetRequests, 925 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=609occurred in iteration=9, 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, 11 MinimizatonAttempts, 36 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1550 PreInvPairs, 1611 NumberOfFragments, 1435 HoareAnnotationTreeSize, 1550 FomulaSimplifications, 557 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 62 FomulaSimplificationsInter, 4468 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 972 NumberOfCodeBlocks, 857 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 961 ConstructedInterpolants, 0 QuantifiedInterpolants, 155795 SizeOfPredicates, 23 NumberOfNonLiveVariables, 8073 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 60/60 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...