/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 15:40:39,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 15:40:39,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 15:40:39,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 15:40:39,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 15:40:39,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 15:40:39,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 15:40:39,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 15:40:39,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 15:40:39,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 15:40:39,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 15:40:39,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 15:40:39,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 15:40:39,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 15:40:39,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 15:40:39,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 15:40:39,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 15:40:39,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 15:40:39,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 15:40:39,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 15:40:39,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 15:40:39,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 15:40:39,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 15:40:39,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 15:40:39,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 15:40:39,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 15:40:39,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 15:40:39,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 15:40:39,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 15:40:39,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 15:40:39,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 15:40:39,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 15:40:39,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 15:40:39,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 15:40:39,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 15:40:39,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 15:40:39,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 15:40:39,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 15:40:39,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 15:40:40,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 15:40:40,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 15:40:40,003 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 15:40:40,039 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 15:40:40,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 15:40:40,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 15:40:40,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 15:40:40,044 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 15:40:40,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 15:40:40,045 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 15:40:40,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 15:40:40,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 15:40:40,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 15:40:40,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 15:40:40,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 15:40:40,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 15:40:40,046 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 15:40:40,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 15:40:40,046 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 15:40:40,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 15:40:40,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 15:40:40,047 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 15:40:40,047 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 15:40:40,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 15:40:40,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:40:40,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 15:40:40,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 15:40:40,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 15:40:40,050 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 15:40:40,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:40,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 15:40:40,051 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 15:40:40,051 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 15:40:40,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 15:40:40,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 15:40:40,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 15:40:40,408 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 15:40:40,409 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 15:40:40,410 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c [2020-07-21 15:40:40,470 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14d59e72e/a7552f93dd6d48759599b1c19b3b2bee/FLAG56abc8eac [2020-07-21 15:40:40,946 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 15:40:40,947 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c [2020-07-21 15:40:40,974 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14d59e72e/a7552f93dd6d48759599b1c19b3b2bee/FLAG56abc8eac [2020-07-21 15:40:41,315 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14d59e72e/a7552f93dd6d48759599b1c19b3b2bee [2020-07-21 15:40:41,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 15:40:41,326 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 15:40:41,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 15:40:41,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 15:40:41,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 15:40:41,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:40:41" (1/1) ... [2020-07-21 15:40:41,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:41, skipping insertion in model container [2020-07-21 15:40:41,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:40:41" (1/1) ... [2020-07-21 15:40:41,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 15:40:41,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 15:40:41,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:40:41,842 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 15:40:41,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:40:41,965 INFO L208 MainTranslator]: Completed translation [2020-07-21 15:40:41,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:41 WrapperNode [2020-07-21 15:40:41,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 15:40:41,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 15:40:41,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 15:40:41,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 15:40:41,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:41" (1/1) ... [2020-07-21 15:40:41,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:41" (1/1) ... [2020-07-21 15:40:42,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:41" (1/1) ... [2020-07-21 15:40:42,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:41" (1/1) ... [2020-07-21 15:40:42,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:41" (1/1) ... [2020-07-21 15:40:42,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:41" (1/1) ... [2020-07-21 15:40:42,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:41" (1/1) ... [2020-07-21 15:40:42,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 15:40:42,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 15:40:42,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 15:40:42,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 15:40:42,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:40:42,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 15:40:42,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 15:40:42,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 15:40:42,125 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 15:40:42,125 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 15:40:42,126 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 15:40:42,126 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 15:40:42,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 15:40:42,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 15:40:42,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 15:40:42,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 15:40:42,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 15:40:42,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 15:40:42,127 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 15:40:42,127 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 15:40:42,127 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 15:40:42,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 15:40:42,128 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 15:40:42,128 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 15:40:42,128 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 15:40:42,128 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 15:40:42,128 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 15:40:42,128 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 15:40:42,129 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 15:40:42,129 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 15:40:42,129 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 15:40:42,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 15:40:42,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 15:40:42,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 15:40:42,129 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-21 15:40:42,130 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 15:40:42,130 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 15:40:42,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 15:40:42,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 15:40:42,130 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 15:40:42,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 15:40:42,131 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 15:40:42,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 15:40:42,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-21 15:40:42,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-21 15:40:42,131 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 15:40:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 15:40:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 15:40:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 15:40:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 15:40:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 15:40:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 15:40:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 15:40:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 15:40:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 15:40:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 15:40:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 15:40:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 15:40:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 15:40:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 15:40:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 15:40:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 15:40:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 15:40:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 15:40:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 15:40:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 15:40:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 15:40:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 15:40:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 15:40:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 15:40:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 15:40:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 15:40:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 15:40:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 15:40:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 15:40:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 15:40:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 15:40:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 15:40:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 15:40:42,137 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 15:40:42,137 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 15:40:42,137 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 15:40:42,137 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-21 15:40:42,137 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 15:40:42,137 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 15:40:42,138 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 15:40:42,138 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 15:40:42,138 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 15:40:42,138 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 15:40:42,138 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 15:40:42,138 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-21 15:40:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 15:40:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 15:40:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 15:40:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 15:40:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 15:40:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-21 15:40:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 15:40:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 15:40:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 15:40:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 15:40:43,140 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 15:40:43,141 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 15:40:43,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:40:43 BoogieIcfgContainer [2020-07-21 15:40:43,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 15:40:43,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 15:40:43,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 15:40:43,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 15:40:43,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:40:41" (1/3) ... [2020-07-21 15:40:43,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549c4e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:40:43, skipping insertion in model container [2020-07-21 15:40:43,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:41" (2/3) ... [2020-07-21 15:40:43,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549c4e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:40:43, skipping insertion in model container [2020-07-21 15:40:43,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:40:43" (3/3) ... [2020-07-21 15:40:43,154 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product46.cil.c [2020-07-21 15:40:43,165 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 15:40:43,173 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 15:40:43,186 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 15:40:43,211 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 15:40:43,211 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 15:40:43,212 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 15:40:43,212 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 15:40:43,212 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 15:40:43,212 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 15:40:43,212 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 15:40:43,213 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 15:40:43,235 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2020-07-21 15:40:43,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 15:40:43,245 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:43,246 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:43,246 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:43,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:43,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1550424879, now seen corresponding path program 1 times [2020-07-21 15:40:43,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:43,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1538241018] [2020-07-21 15:40:43,262 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:43,656 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:43,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:43,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 15:40:43,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:43,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:43,706 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:43,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1538241018] [2020-07-21 15:40:43,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:43,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 15:40:43,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542950711] [2020-07-21 15:40:43,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 15:40:43,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:43,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 15:40:43,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:40:43,737 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2020-07-21 15:40:43,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:43,798 INFO L93 Difference]: Finished difference Result 274 states and 341 transitions. [2020-07-21 15:40:43,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 15:40:43,800 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-21 15:40:43,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:43,816 INFO L225 Difference]: With dead ends: 274 [2020-07-21 15:40:43,817 INFO L226 Difference]: Without dead ends: 139 [2020-07-21 15:40:43,824 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:40:43,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-21 15:40:43,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2020-07-21 15:40:43,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-07-21 15:40:43,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2020-07-21 15:40:43,882 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 51 [2020-07-21 15:40:43,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:43,883 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2020-07-21 15:40:43,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 15:40:43,883 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2020-07-21 15:40:43,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 15:40:43,887 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:43,887 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:44,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:44,103 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:44,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:44,104 INFO L82 PathProgramCache]: Analyzing trace with hash 2147140265, now seen corresponding path program 1 times [2020-07-21 15:40:44,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:44,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1267144198] [2020-07-21 15:40:44,105 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:44,433 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:44,434 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:44,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:40:44,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:44,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:44,493 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:44,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1267144198] [2020-07-21 15:40:44,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:44,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:40:44,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442691034] [2020-07-21 15:40:44,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:40:44,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:44,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:40:44,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:44,499 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 3 states. [2020-07-21 15:40:44,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:44,540 INFO L93 Difference]: Finished difference Result 219 states and 259 transitions. [2020-07-21 15:40:44,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:40:44,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 15:40:44,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:44,545 INFO L225 Difference]: With dead ends: 219 [2020-07-21 15:40:44,545 INFO L226 Difference]: Without dead ends: 130 [2020-07-21 15:40:44,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:44,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-07-21 15:40:44,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-07-21 15:40:44,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-21 15:40:44,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2020-07-21 15:40:44,561 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 52 [2020-07-21 15:40:44,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:44,562 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2020-07-21 15:40:44,562 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:40:44,562 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2020-07-21 15:40:44,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 15:40:44,564 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:44,565 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:44,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:44,780 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:44,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:44,780 INFO L82 PathProgramCache]: Analyzing trace with hash 871775649, now seen corresponding path program 1 times [2020-07-21 15:40:44,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:44,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [792170387] [2020-07-21 15:40:44,782 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:45,114 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:45,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:45,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 15:40:45,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:45,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:45,149 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:45,150 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [792170387] [2020-07-21 15:40:45,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:45,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:40:45,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505333667] [2020-07-21 15:40:45,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:40:45,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:45,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:40:45,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:45,152 INFO L87 Difference]: Start difference. First operand 130 states and 152 transitions. Second operand 3 states. [2020-07-21 15:40:45,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:45,168 INFO L93 Difference]: Finished difference Result 232 states and 277 transitions. [2020-07-21 15:40:45,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:40:45,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-21 15:40:45,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:45,170 INFO L225 Difference]: With dead ends: 232 [2020-07-21 15:40:45,171 INFO L226 Difference]: Without dead ends: 130 [2020-07-21 15:40:45,172 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:45,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-07-21 15:40:45,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-07-21 15:40:45,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-21 15:40:45,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2020-07-21 15:40:45,186 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 57 [2020-07-21 15:40:45,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:45,186 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2020-07-21 15:40:45,187 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:40:45,187 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2020-07-21 15:40:45,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-21 15:40:45,189 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:45,189 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:45,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:45,405 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:45,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:45,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1442711131, now seen corresponding path program 1 times [2020-07-21 15:40:45,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:45,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [586832657] [2020-07-21 15:40:45,408 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:45,697 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:45,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:45,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 15:40:45,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:45,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:45,756 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:45,756 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [586832657] [2020-07-21 15:40:45,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:45,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:40:45,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180955475] [2020-07-21 15:40:45,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:40:45,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:45,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:40:45,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:40:45,759 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 6 states. [2020-07-21 15:40:46,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:46,361 INFO L93 Difference]: Finished difference Result 321 states and 390 transitions. [2020-07-21 15:40:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 15:40:46,361 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-21 15:40:46,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:46,364 INFO L225 Difference]: With dead ends: 321 [2020-07-21 15:40:46,365 INFO L226 Difference]: Without dead ends: 219 [2020-07-21 15:40:46,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:40:46,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-07-21 15:40:46,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 203. [2020-07-21 15:40:46,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-07-21 15:40:46,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 230 transitions. [2020-07-21 15:40:46,415 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 230 transitions. Word has length 70 [2020-07-21 15:40:46,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:46,416 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 230 transitions. [2020-07-21 15:40:46,416 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:40:46,416 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 230 transitions. [2020-07-21 15:40:46,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-21 15:40:46,418 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:46,418 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] [2020-07-21 15:40:46,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:46,633 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:46,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:46,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1583652076, now seen corresponding path program 1 times [2020-07-21 15:40:46,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:46,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2077679985] [2020-07-21 15:40:46,636 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:46,876 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:46,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:46,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:40:46,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:46,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:46,925 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:46,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2077679985] [2020-07-21 15:40:46,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:46,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:40:46,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976759503] [2020-07-21 15:40:46,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:40:46,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:46,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:40:46,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:40:46,928 INFO L87 Difference]: Start difference. First operand 203 states and 230 transitions. Second operand 6 states. [2020-07-21 15:40:47,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:47,156 INFO L93 Difference]: Finished difference Result 381 states and 440 transitions. [2020-07-21 15:40:47,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 15:40:47,158 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2020-07-21 15:40:47,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:47,161 INFO L225 Difference]: With dead ends: 381 [2020-07-21 15:40:47,161 INFO L226 Difference]: Without dead ends: 206 [2020-07-21 15:40:47,162 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:40:47,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-07-21 15:40:47,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 202. [2020-07-21 15:40:47,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-07-21 15:40:47,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 227 transitions. [2020-07-21 15:40:47,185 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 227 transitions. Word has length 84 [2020-07-21 15:40:47,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:47,186 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 227 transitions. [2020-07-21 15:40:47,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:40:47,186 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 227 transitions. [2020-07-21 15:40:47,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-07-21 15:40:47,188 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:47,188 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] [2020-07-21 15:40:47,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:47,402 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:47,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:47,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1266337265, now seen corresponding path program 1 times [2020-07-21 15:40:47,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:47,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [27071972] [2020-07-21 15:40:47,404 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:47,776 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:47,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:47,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 15:40:47,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:47,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 15:40:47,808 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:47,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [27071972] [2020-07-21 15:40:47,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:47,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:40:47,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037509987] [2020-07-21 15:40:47,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:40:47,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:47,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:40:47,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:47,810 INFO L87 Difference]: Start difference. First operand 202 states and 227 transitions. Second operand 3 states. [2020-07-21 15:40:47,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:47,841 INFO L93 Difference]: Finished difference Result 295 states and 339 transitions. [2020-07-21 15:40:47,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:40:47,841 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-07-21 15:40:47,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:47,844 INFO L225 Difference]: With dead ends: 295 [2020-07-21 15:40:47,844 INFO L226 Difference]: Without dead ends: 292 [2020-07-21 15:40:47,845 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:47,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-07-21 15:40:47,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 284. [2020-07-21 15:40:47,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-07-21 15:40:47,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 327 transitions. [2020-07-21 15:40:47,870 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 327 transitions. Word has length 100 [2020-07-21 15:40:47,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:47,870 INFO L479 AbstractCegarLoop]: Abstraction has 284 states and 327 transitions. [2020-07-21 15:40:47,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:40:47,871 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 327 transitions. [2020-07-21 15:40:47,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-07-21 15:40:47,873 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:47,873 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, 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] [2020-07-21 15:40:48,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:48,088 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:48,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:48,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1678953787, now seen corresponding path program 1 times [2020-07-21 15:40:48,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:48,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1209605212] [2020-07-21 15:40:48,091 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:48,334 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:48,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:48,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-21 15:40:48,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:48,436 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 35 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 15:40:48,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 15:40:49,168 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-07-21 15:40:49,169 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1209605212] [2020-07-21 15:40:49,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 15:40:49,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 17 [2020-07-21 15:40:49,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601943583] [2020-07-21 15:40:49,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-21 15:40:49,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:49,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-21 15:40:49,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-07-21 15:40:49,171 INFO L87 Difference]: Start difference. First operand 284 states and 327 transitions. Second operand 17 states. [2020-07-21 15:40:50,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:50,137 INFO L93 Difference]: Finished difference Result 742 states and 894 transitions. [2020-07-21 15:40:50,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 15:40:50,139 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 159 [2020-07-21 15:40:50,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:50,143 INFO L225 Difference]: With dead ends: 742 [2020-07-21 15:40:50,143 INFO L226 Difference]: Without dead ends: 486 [2020-07-21 15:40:50,145 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=443, Unknown=0, NotChecked=0, Total=552 [2020-07-21 15:40:50,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2020-07-21 15:40:50,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 480. [2020-07-21 15:40:50,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2020-07-21 15:40:50,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 555 transitions. [2020-07-21 15:40:50,178 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 555 transitions. Word has length 159 [2020-07-21 15:40:50,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:50,179 INFO L479 AbstractCegarLoop]: Abstraction has 480 states and 555 transitions. [2020-07-21 15:40:50,179 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-21 15:40:50,179 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 555 transitions. [2020-07-21 15:40:50,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-07-21 15:40:50,182 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:50,183 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:50,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:50,396 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:50,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:50,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1897081026, now seen corresponding path program 1 times [2020-07-21 15:40:50,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:50,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [760975037] [2020-07-21 15:40:50,399 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:50,609 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:40:50,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:50,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:40:50,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:50,668 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-07-21 15:40:50,669 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:50,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [760975037] [2020-07-21 15:40:50,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:50,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:40:50,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663897458] [2020-07-21 15:40:50,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:40:50,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:50,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:40:50,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:40:50,672 INFO L87 Difference]: Start difference. First operand 480 states and 555 transitions. Second operand 6 states. [2020-07-21 15:40:50,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:50,724 INFO L93 Difference]: Finished difference Result 944 states and 1105 transitions. [2020-07-21 15:40:50,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:40:50,724 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 215 [2020-07-21 15:40:50,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:50,729 INFO L225 Difference]: With dead ends: 944 [2020-07-21 15:40:50,729 INFO L226 Difference]: Without dead ends: 492 [2020-07-21 15:40:50,730 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:40:50,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2020-07-21 15:40:50,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 490. [2020-07-21 15:40:50,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2020-07-21 15:40:50,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 565 transitions. [2020-07-21 15:40:50,812 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 565 transitions. Word has length 215 [2020-07-21 15:40:50,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:50,813 INFO L479 AbstractCegarLoop]: Abstraction has 490 states and 565 transitions. [2020-07-21 15:40:50,813 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:40:50,813 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 565 transitions. [2020-07-21 15:40:50,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-07-21 15:40:50,821 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:50,822 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:51,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:51,036 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:51,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:51,037 INFO L82 PathProgramCache]: Analyzing trace with hash -994017084, now seen corresponding path program 1 times [2020-07-21 15:40:51,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:51,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1826316936] [2020-07-21 15:40:51,038 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:51,250 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:40:51,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:51,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 15:40:51,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:51,306 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-07-21 15:40:51,306 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:51,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1826316936] [2020-07-21 15:40:51,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:51,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 15:40:51,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249691342] [2020-07-21 15:40:51,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 15:40:51,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:51,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 15:40:51,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:40:51,308 INFO L87 Difference]: Start difference. First operand 490 states and 565 transitions. Second operand 5 states. [2020-07-21 15:40:51,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:51,340 INFO L93 Difference]: Finished difference Result 966 states and 1132 transitions. [2020-07-21 15:40:51,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 15:40:51,342 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 215 [2020-07-21 15:40:51,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:51,345 INFO L225 Difference]: With dead ends: 966 [2020-07-21 15:40:51,345 INFO L226 Difference]: Without dead ends: 504 [2020-07-21 15:40:51,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:40:51,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-07-21 15:40:51,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 498. [2020-07-21 15:40:51,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2020-07-21 15:40:51,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 573 transitions. [2020-07-21 15:40:51,374 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 573 transitions. Word has length 215 [2020-07-21 15:40:51,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:51,374 INFO L479 AbstractCegarLoop]: Abstraction has 498 states and 573 transitions. [2020-07-21 15:40:51,374 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 15:40:51,374 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 573 transitions. [2020-07-21 15:40:51,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-07-21 15:40:51,378 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:51,378 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:51,593 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:51,594 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:51,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:51,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1788134295, now seen corresponding path program 1 times [2020-07-21 15:40:51,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:51,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [370300569] [2020-07-21 15:40:51,596 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:51,801 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:40:51,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:51,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 15:40:51,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:51,904 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-07-21 15:40:51,905 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:51,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [370300569] [2020-07-21 15:40:51,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:51,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:40:51,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103662854] [2020-07-21 15:40:51,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:40:51,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:51,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:40:51,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:40:51,907 INFO L87 Difference]: Start difference. First operand 498 states and 573 transitions. Second operand 6 states. [2020-07-21 15:40:52,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:52,264 INFO L93 Difference]: Finished difference Result 984 states and 1143 transitions. [2020-07-21 15:40:52,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:40:52,265 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 219 [2020-07-21 15:40:52,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:52,268 INFO L225 Difference]: With dead ends: 984 [2020-07-21 15:40:52,268 INFO L226 Difference]: Without dead ends: 496 [2020-07-21 15:40:52,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 213 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:40:52,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2020-07-21 15:40:52,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 496. [2020-07-21 15:40:52,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2020-07-21 15:40:52,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 558 transitions. [2020-07-21 15:40:52,295 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 558 transitions. Word has length 219 [2020-07-21 15:40:52,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:52,295 INFO L479 AbstractCegarLoop]: Abstraction has 496 states and 558 transitions. [2020-07-21 15:40:52,295 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:40:52,296 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 558 transitions. [2020-07-21 15:40:52,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-07-21 15:40:52,299 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:52,299 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:52,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:52,514 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:52,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:52,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1955642299, now seen corresponding path program 2 times [2020-07-21 15:40:52,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:52,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2083471323] [2020-07-21 15:40:52,516 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:52,739 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:40:52,739 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:52,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 15:40:52,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:52,863 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-07-21 15:40:52,863 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:52,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2083471323] [2020-07-21 15:40:52,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:52,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:40:52,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969966963] [2020-07-21 15:40:52,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:40:52,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:52,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:40:52,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:40:52,866 INFO L87 Difference]: Start difference. First operand 496 states and 558 transitions. Second operand 6 states. [2020-07-21 15:40:53,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:53,743 INFO L93 Difference]: Finished difference Result 1564 states and 1898 transitions. [2020-07-21 15:40:53,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 15:40:53,744 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 215 [2020-07-21 15:40:53,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:53,751 INFO L225 Difference]: With dead ends: 1564 [2020-07-21 15:40:53,752 INFO L226 Difference]: Without dead ends: 1096 [2020-07-21 15:40:53,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:40:53,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2020-07-21 15:40:53,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 926. [2020-07-21 15:40:53,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2020-07-21 15:40:53,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1087 transitions. [2020-07-21 15:40:53,810 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1087 transitions. Word has length 215 [2020-07-21 15:40:53,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:53,810 INFO L479 AbstractCegarLoop]: Abstraction has 926 states and 1087 transitions. [2020-07-21 15:40:53,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:40:53,811 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1087 transitions. [2020-07-21 15:40:53,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-07-21 15:40:53,815 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:53,816 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:54,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:54,031 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:54,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:54,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1482175115, now seen corresponding path program 1 times [2020-07-21 15:40:54,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:54,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1788373314] [2020-07-21 15:40:54,032 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:54,313 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:54,314 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:54,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 15:40:54,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:54,434 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-21 15:40:54,435 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:54,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1788373314] [2020-07-21 15:40:54,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:54,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 15:40:54,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240955158] [2020-07-21 15:40:54,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 15:40:54,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:54,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 15:40:54,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:40:54,437 INFO L87 Difference]: Start difference. First operand 926 states and 1087 transitions. Second operand 8 states. [2020-07-21 15:40:54,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:54,714 INFO L93 Difference]: Finished difference Result 1582 states and 1859 transitions. [2020-07-21 15:40:54,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 15:40:54,715 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 219 [2020-07-21 15:40:54,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:54,716 INFO L225 Difference]: With dead ends: 1582 [2020-07-21 15:40:54,716 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 15:40:54,721 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 211 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:40:54,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 15:40:54,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 15:40:54,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 15:40:54,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 15:40:54,722 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2020-07-21 15:40:54,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:54,722 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 15:40:54,722 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 15:40:54,723 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 15:40:54,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 15:40:54,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:54,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 15:40:56,160 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 24 [2020-07-21 15:40:56,294 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 25 [2020-07-21 15:40:56,716 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 25 [2020-07-21 15:40:56,923 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2020-07-21 15:40:57,158 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 26 [2020-07-21 15:40:57,262 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 22 [2020-07-21 15:40:57,861 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 38 [2020-07-21 15:40:58,004 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 22 [2020-07-21 15:40:58,515 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2020-07-21 15:40:58,669 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 22 [2020-07-21 15:40:59,032 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 28 [2020-07-21 15:40:59,394 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 29 [2020-07-21 15:40:59,635 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 24 [2020-07-21 15:41:00,163 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-07-21 15:41:00,744 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2020-07-21 15:41:01,125 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 25 [2020-07-21 15:41:01,129 INFO L268 CegarLoopResult]: For program point L161(lines 161 165) no Hoare annotation was computed. [2020-07-21 15:41:01,129 INFO L268 CegarLoopResult]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2020-07-21 15:41:01,129 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-07-21 15:41:01,129 INFO L268 CegarLoopResult]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2020-07-21 15:41:01,129 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 130 185) no Hoare annotation was computed. [2020-07-21 15:41:01,129 INFO L268 CegarLoopResult]: For program point L177(lines 154 178) no Hoare annotation was computed. [2020-07-21 15:41:01,129 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2020-07-21 15:41:01,129 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2020-07-21 15:41:01,130 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-07-21 15:41:01,130 INFO L268 CegarLoopResult]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2020-07-21 15:41:01,130 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2020-07-21 15:41:01,130 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-07-21 15:41:01,130 INFO L268 CegarLoopResult]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2020-07-21 15:41:01,130 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2020-07-21 15:41:01,130 INFO L268 CegarLoopResult]: For program point L238(lines 211 239) no Hoare annotation was computed. [2020-07-21 15:41:01,130 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2020-07-21 15:41:01,130 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-07-21 15:41:01,130 INFO L268 CegarLoopResult]: For program point L231-1(line 231) no Hoare annotation was computed. [2020-07-21 15:41:01,131 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-21 15:41:01,131 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-21 15:41:01,131 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-21 15:41:01,131 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-21 15:41:01,131 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-21 15:41:01,131 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 622 644) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:41:01,132 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:41:01,132 INFO L264 CegarLoopResult]: At program point L634-1(line 634) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:41:01,132 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 622 644) no Hoare annotation was computed. [2020-07-21 15:41:01,132 INFO L268 CegarLoopResult]: For program point L632(lines 632 639) no Hoare annotation was computed. [2020-07-21 15:41:01,132 INFO L268 CegarLoopResult]: For program point L632-1(lines 632 639) no Hoare annotation was computed. [2020-07-21 15:41:01,132 INFO L268 CegarLoopResult]: For program point L630(line 630) no Hoare annotation was computed. [2020-07-21 15:41:01,132 INFO L264 CegarLoopResult]: At program point L629(line 629) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:41:01,133 INFO L264 CegarLoopResult]: At program point L628(line 628) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:41:01,133 INFO L264 CegarLoopResult]: At program point L628-1(line 628) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:41:01,133 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 622 644) no Hoare annotation was computed. [2020-07-21 15:41:01,134 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 578 601) no Hoare annotation was computed. [2020-07-21 15:41:01,134 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 578 601) no Hoare annotation was computed. [2020-07-21 15:41:01,134 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 578 601) no Hoare annotation was computed. [2020-07-21 15:41:01,135 INFO L268 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-07-21 15:41:01,135 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 15:41:01,135 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-07-21 15:41:01,135 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-07-21 15:41:01,135 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 15:41:01,135 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-07-21 15:41:01,135 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-07-21 15:41:01,135 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 15:41:01,135 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-21 15:41:01,136 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-21 15:41:01,136 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 15:41:01,136 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-07-21 15:41:01,136 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-07-21 15:41:01,136 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 15:41:01,136 INFO L264 CegarLoopResult]: At program point L705(line 705) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not .cse3)) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse3 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4) (or .cse0 .cse1 .cse2 .cse4)))) [2020-07-21 15:41:01,136 INFO L268 CegarLoopResult]: For program point L705-1(lines 686 710) no Hoare annotation was computed. [2020-07-21 15:41:01,137 INFO L264 CegarLoopResult]: At program point L700(line 700) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4))) (.cse4 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) (not .cse4) .cse3) (or .cse4 .cse1 .cse2))) [2020-07-21 15:41:01,137 INFO L264 CegarLoopResult]: At program point L696(line 696) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse4 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) (not .cse4)) (or .cse4 .cse1 .cse3))) [2020-07-21 15:41:01,137 INFO L268 CegarLoopResult]: For program point L694(lines 694 702) no Hoare annotation was computed. [2020-07-21 15:41:01,137 INFO L264 CegarLoopResult]: At program point L692(line 692) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse2 .cse1 .cse4))) [2020-07-21 15:41:01,137 INFO L268 CegarLoopResult]: For program point L692-1(line 692) no Hoare annotation was computed. [2020-07-21 15:41:01,138 INFO L268 CegarLoopResult]: For program point L690(lines 690 707) no Hoare annotation was computed. [2020-07-21 15:41:01,138 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 686 710) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not .cse0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse3 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse4 .cse5) (or .cse3 .cse1 .cse4 .cse2 .cse5)))) [2020-07-21 15:41:01,138 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 686 710) no Hoare annotation was computed. [2020-07-21 15:41:01,138 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 781 789) no Hoare annotation was computed. [2020-07-21 15:41:01,138 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 781 789) the Hoare annotation is: true [2020-07-21 15:41:01,138 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 781 789) no Hoare annotation was computed. [2020-07-21 15:41:01,138 INFO L268 CegarLoopResult]: For program point L797(lines 797 805) no Hoare annotation was computed. [2020-07-21 15:41:01,138 INFO L268 CegarLoopResult]: For program point L797-2(lines 797 805) no Hoare annotation was computed. [2020-07-21 15:41:01,138 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-07-21 15:41:01,138 INFO L268 CegarLoopResult]: For program point L820-1(line 820) no Hoare annotation was computed. [2020-07-21 15:41:01,138 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 790 825) no Hoare annotation was computed. [2020-07-21 15:41:01,138 INFO L268 CegarLoopResult]: For program point L809(lines 809 817) no Hoare annotation was computed. [2020-07-21 15:41:01,139 INFO L268 CegarLoopResult]: For program point L809-2(lines 809 817) no Hoare annotation was computed. [2020-07-21 15:41:01,139 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 790 825) no Hoare annotation was computed. [2020-07-21 15:41:01,139 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 790 825) no Hoare annotation was computed. [2020-07-21 15:41:01,139 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-21 15:41:01,139 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-21 15:41:01,139 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2020-07-21 15:41:01,139 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2020-07-21 15:41:01,139 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 84 129) no Hoare annotation was computed. [2020-07-21 15:41:01,139 INFO L268 CegarLoopResult]: For program point L417(lines 417 424) no Hoare annotation was computed. [2020-07-21 15:41:01,139 INFO L268 CegarLoopResult]: For program point L411(lines 411 431) no Hoare annotation was computed. [2020-07-21 15:41:01,139 INFO L268 CegarLoopResult]: For program point L411-1(lines 411 431) no Hoare annotation was computed. [2020-07-21 15:41:01,139 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 397 442) no Hoare annotation was computed. [2020-07-21 15:41:01,140 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2020-07-21 15:41:01,140 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2020-07-21 15:41:01,140 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 611 621) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:41:01,140 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 611 621) no Hoare annotation was computed. [2020-07-21 15:41:01,140 INFO L264 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:41:01,140 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 611 621) no Hoare annotation was computed. [2020-07-21 15:41:01,140 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 770 780) the Hoare annotation is: true [2020-07-21 15:41:01,140 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 770 780) no Hoare annotation was computed. [2020-07-21 15:41:01,140 INFO L271 CegarLoopResult]: At program point L775(line 775) the Hoare annotation is: true [2020-07-21 15:41:01,140 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 770 780) no Hoare annotation was computed. [2020-07-21 15:41:01,140 INFO L268 CegarLoopResult]: For program point L775-1(line 775) no Hoare annotation was computed. [2020-07-21 15:41:01,141 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 762 769) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= 0 ~methAndRunningLastTime~0)) .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 15:41:01,141 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 762 769) no Hoare annotation was computed. [2020-07-21 15:41:01,141 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 762 769) no Hoare annotation was computed. [2020-07-21 15:41:01,141 INFO L268 CegarLoopResult]: For program point L534(lines 534 540) no Hoare annotation was computed. [2020-07-21 15:41:01,141 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 530 543) no Hoare annotation was computed. [2020-07-21 15:41:01,141 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 530 543) the Hoare annotation is: true [2020-07-21 15:41:01,141 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 530 543) no Hoare annotation was computed. [2020-07-21 15:41:01,141 INFO L264 CegarLoopResult]: At program point L731(line 731) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= 0 ~pumpRunning~0)) (.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse2 .cse4))) [2020-07-21 15:41:01,141 INFO L268 CegarLoopResult]: For program point L731-1(lines 712 736) no Hoare annotation was computed. [2020-07-21 15:41:01,141 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 712 736) no Hoare annotation was computed. [2020-07-21 15:41:01,142 INFO L264 CegarLoopResult]: At program point L726(line 726) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse3 .cse1 (not .cse0) .cse2) (or .cse3 .cse1 (not (<= 1 ~methaneLevelCritical~0))))) [2020-07-21 15:41:01,142 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 712 736) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 (not .cse0) .cse3 (= 0 ~pumpRunning~0)) (or .cse4 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2))) [2020-07-21 15:41:01,142 INFO L264 CegarLoopResult]: At program point L722(line 722) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (not .cse4)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6) (or .cse0 .cse1 .cse3 .cse6) (or .cse0 .cse1 .cse2 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~5) .cse5))))) [2020-07-21 15:41:01,142 INFO L268 CegarLoopResult]: For program point L720(lines 720 728) no Hoare annotation was computed. [2020-07-21 15:41:01,142 INFO L264 CegarLoopResult]: At program point L718(line 718) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (not .cse4)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6) (or .cse0 .cse1 .cse3 .cse6) (or .cse0 .cse1 .cse2 .cse5)))) [2020-07-21 15:41:01,142 INFO L268 CegarLoopResult]: For program point L718-1(line 718) no Hoare annotation was computed. [2020-07-21 15:41:01,142 INFO L268 CegarLoopResult]: For program point L716(lines 716 733) no Hoare annotation was computed. [2020-07-21 15:41:01,143 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 678 684) no Hoare annotation was computed. [2020-07-21 15:41:01,143 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 678 684) the Hoare annotation is: true [2020-07-21 15:41:01,143 INFO L264 CegarLoopResult]: At program point L960(lines 911 961) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:41:01,143 INFO L264 CegarLoopResult]: At program point testENTRY(lines 902 967) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:41:01,143 INFO L268 CegarLoopResult]: For program point testFINAL(lines 902 967) no Hoare annotation was computed. [2020-07-21 15:41:01,143 INFO L268 CegarLoopResult]: For program point L950(lines 950 954) no Hoare annotation was computed. [2020-07-21 15:41:01,143 INFO L264 CegarLoopResult]: At program point L950-2(lines 942 955) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse3 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2))) [2020-07-21 15:41:01,143 INFO L268 CegarLoopResult]: For program point L913(lines 912 959) no Hoare annotation was computed. [2020-07-21 15:41:01,143 INFO L264 CegarLoopResult]: At program point L944(line 944) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse3 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2))) [2020-07-21 15:41:01,144 INFO L268 CegarLoopResult]: For program point L942(lines 942 955) no Hoare annotation was computed. [2020-07-21 15:41:01,144 INFO L264 CegarLoopResult]: At program point L934(line 934) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1 .cse2) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 15:41:01,144 INFO L268 CegarLoopResult]: For program point L932(lines 932 938) no Hoare annotation was computed. [2020-07-21 15:41:01,144 INFO L268 CegarLoopResult]: For program point L932-1(lines 932 938) no Hoare annotation was computed. [2020-07-21 15:41:01,144 INFO L264 CegarLoopResult]: At program point L957(lines 912 959) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1 .cse2) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 15:41:01,144 INFO L264 CegarLoopResult]: At program point L924(line 924) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1 .cse2) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 15:41:01,144 INFO L268 CegarLoopResult]: For program point L922(lines 922 928) no Hoare annotation was computed. [2020-07-21 15:41:01,144 INFO L268 CegarLoopResult]: For program point L922-1(lines 922 928) no Hoare annotation was computed. [2020-07-21 15:41:01,144 INFO L268 CegarLoopResult]: For program point L914(lines 914 918) no Hoare annotation was computed. [2020-07-21 15:41:01,144 INFO L268 CegarLoopResult]: For program point testEXIT(lines 902 967) no Hoare annotation was computed. [2020-07-21 15:41:01,145 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2020-07-21 15:41:01,145 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2020-07-21 15:41:01,145 INFO L268 CegarLoopResult]: For program point L371(lines 371 378) no Hoare annotation was computed. [2020-07-21 15:41:01,145 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 351 396) no Hoare annotation was computed. [2020-07-21 15:41:01,145 INFO L268 CegarLoopResult]: For program point L365(lines 365 385) no Hoare annotation was computed. [2020-07-21 15:41:01,145 INFO L268 CegarLoopResult]: For program point L365-1(lines 365 385) no Hoare annotation was computed. [2020-07-21 15:41:01,145 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 737 744) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 15:41:01,145 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 737 744) no Hoare annotation was computed. [2020-07-21 15:41:01,145 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 737 744) no Hoare annotation was computed. [2020-07-21 15:41:01,146 INFO L264 CegarLoopResult]: At program point L887(line 887) 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))))) [2020-07-21 15:41:01,146 INFO L268 CegarLoopResult]: For program point L885(lines 885 891) no Hoare annotation was computed. [2020-07-21 15:41:01,146 INFO L268 CegarLoopResult]: For program point L884(lines 884 894) no Hoare annotation was computed. [2020-07-21 15:41:01,146 INFO L264 CegarLoopResult]: At program point L882(line 882) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (<= ~methaneLevelCritical~0 __utac_acc__Specification2_spec__2_~tmp~8) (not (= 0 ~pumpRunning~0))) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 15:41:01,146 INFO L268 CegarLoopResult]: For program point L882-1(line 882) no Hoare annotation was computed. [2020-07-21 15:41:01,146 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 872 900) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 (not (= 0 ~pumpRunning~0))))) [2020-07-21 15:41:01,146 INFO L268 CegarLoopResult]: For program point L880(lines 880 897) no Hoare annotation was computed. [2020-07-21 15:41:01,146 INFO L268 CegarLoopResult]: For program point L880-1(lines 872 900) no Hoare annotation was computed. [2020-07-21 15:41:01,146 INFO L264 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 (not (= 0 ~pumpRunning~0))))) [2020-07-21 15:41:01,146 INFO L268 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-07-21 15:41:01,146 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 872 900) no Hoare annotation was computed. [2020-07-21 15:41:01,147 INFO L268 CegarLoopResult]: For program point L506(lines 506 514) no Hoare annotation was computed. [2020-07-21 15:41:01,147 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 498 520) no Hoare annotation was computed. [2020-07-21 15:41:01,147 INFO L268 CegarLoopResult]: For program point L506-2(lines 506 514) no Hoare annotation was computed. [2020-07-21 15:41:01,147 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 498 520) no Hoare annotation was computed. [2020-07-21 15:41:01,147 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 498 520) no Hoare annotation was computed. [2020-07-21 15:41:01,147 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 864 871) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-21 15:41:01,147 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 864 871) no Hoare annotation was computed. [2020-07-21 15:41:01,147 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 864 871) no Hoare annotation was computed. [2020-07-21 15:41:01,147 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-21 15:41:01,147 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-21 15:41:01,147 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-21 15:41:01,147 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2020-07-21 15:41:01,147 INFO L268 CegarLoopResult]: For program point L318(lines 296 319) no Hoare annotation was computed. [2020-07-21 15:41:01,147 INFO L268 CegarLoopResult]: For program point L277(lines 277 293) no Hoare annotation was computed. [2020-07-21 15:41:01,148 INFO L268 CegarLoopResult]: For program point L337(lines 337 344) no Hoare annotation was computed. [2020-07-21 15:41:01,148 INFO L268 CegarLoopResult]: For program point L298(lines 297 317) no Hoare annotation was computed. [2020-07-21 15:41:01,148 INFO L268 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-07-21 15:41:01,148 INFO L268 CegarLoopResult]: For program point L329-1(line 329) no Hoare annotation was computed. [2020-07-21 15:41:01,148 INFO L268 CegarLoopResult]: For program point L294(lines 294 335) no Hoare annotation was computed. [2020-07-21 15:41:01,148 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2020-07-21 15:41:01,148 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-07-21 15:41:01,148 INFO L268 CegarLoopResult]: For program point L313-1(line 313) no Hoare annotation was computed. [2020-07-21 15:41:01,148 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2020-07-21 15:41:01,148 INFO L268 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-07-21 15:41:01,148 INFO L268 CegarLoopResult]: For program point L336(lines 336 347) no Hoare annotation was computed. [2020-07-21 15:41:01,149 INFO L268 CegarLoopResult]: For program point L299(lines 299 303) no Hoare annotation was computed. [2020-07-21 15:41:01,149 INFO L268 CegarLoopResult]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2020-07-21 15:41:01,149 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:41:01,149 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-21 15:41:01,149 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:41:01,149 INFO L268 CegarLoopResult]: For program point L752(lines 752 758) no Hoare annotation was computed. [2020-07-21 15:41:01,149 INFO L264 CegarLoopResult]: At program point L750(line 750) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3 .cse4))) [2020-07-21 15:41:01,149 INFO L268 CegarLoopResult]: For program point L750-1(line 750) no Hoare annotation was computed. [2020-07-21 15:41:01,149 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 745 761) no Hoare annotation was computed. [2020-07-21 15:41:01,149 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 745 761) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3 .cse4))) [2020-07-21 15:41:01,150 INFO L264 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) (and (= ~methaneLevelCritical~0 activatePump_~tmp~6) (= 0 ~pumpRunning~0)) .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-21 15:41:01,150 INFO L268 CegarLoopResult]: For program point L756-1(lines 745 761) no Hoare annotation was computed. [2020-07-21 15:41:01,150 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 521 529) no Hoare annotation was computed. [2020-07-21 15:41:01,150 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 521 529) no Hoare annotation was computed. [2020-07-21 15:41:01,150 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 521 529) no Hoare annotation was computed. [2020-07-21 15:41:01,150 INFO L271 CegarLoopResult]: At program point L833(line 833) the Hoare annotation is: true [2020-07-21 15:41:01,150 INFO L268 CegarLoopResult]: For program point L835-2(lines 835 839) no Hoare annotation was computed. [2020-07-21 15:41:01,150 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 826 844) no Hoare annotation was computed. [2020-07-21 15:41:01,150 INFO L268 CegarLoopResult]: For program point L833-1(line 833) no Hoare annotation was computed. [2020-07-21 15:41:01,150 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 826 844) the Hoare annotation is: true [2020-07-21 15:41:01,150 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 826 844) no Hoare annotation was computed. [2020-07-21 15:41:01,150 INFO L268 CegarLoopResult]: For program point L835(lines 835 839) no Hoare annotation was computed. [2020-07-21 15:41:01,151 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:41:01,151 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 15:41:01,151 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:41:01,151 INFO L268 CegarLoopResult]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2020-07-21 15:41:01,151 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 477 488) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))) (or .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|))))) [2020-07-21 15:41:01,151 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2020-07-21 15:41:01,151 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 489 497) the Hoare annotation is: true [2020-07-21 15:41:01,151 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 489 497) no Hoare annotation was computed. [2020-07-21 15:41:01,152 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 489 497) no Hoare annotation was computed. [2020-07-21 15:41:01,152 INFO L264 CegarLoopResult]: At program point L667(line 667) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse9 (<= 2 ~waterLevel~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse8 (not .cse6)) (.cse10 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5)) (or .cse6 .cse0 .cse7 (and .cse4 .cse5)) (or .cse0 .cse2 .cse8 .cse7 (and .cse3 .cse4 (= 0 ~pumpRunning~0))) (or .cse0 .cse9 .cse2 .cse8 .cse7 .cse10) (or .cse0 .cse9 .cse1 .cse2 .cse8 .cse10)))) [2020-07-21 15:41:01,152 INFO L264 CegarLoopResult]: At program point L665(lines 665 671) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse14 (= 0 ~pumpRunning~0))) (let ((.cse12 (not (<= |old(~waterLevel~0)| 1))) (.cse13 (and .cse10 .cse3 .cse4 .cse14 (<= ~waterLevel~0 1))) (.cse8 (not .cse0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse11 (not (<= 2 |old(~waterLevel~0)|))) (.cse9 (<= 2 ~waterLevel~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (and .cse3 .cse14))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) .cse5) (or .cse1 .cse6 .cse7 .cse8 (and .cse9 .cse10) .cse11) (or .cse12 .cse1 .cse7 .cse8 .cse13 .cse2) (or .cse12 .cse1 .cse6 .cse7 .cse8 .cse13) (or .cse1 .cse7 .cse8 .cse2 .cse11 (and .cse9 .cse10 .cse3)) (or .cse1 .cse6 .cse7 .cse5)))) [2020-07-21 15:41:01,152 INFO L264 CegarLoopResult]: At program point L660(line 660) the Hoare annotation is: (let ((.cse7 (= 0 |old(~pumpRunning~0)|))) (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse9 (not .cse7)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and (= 0 ~methAndRunningLastTime~0) .cse5 .cse6)) (or .cse7 .cse0 .cse8 (and .cse5 .cse6)) (or .cse0 .cse2 .cse3 .cse9) (or .cse0 .cse3 .cse9 .cse8) (or .cse7 .cse0 .cse1 .cse8 .cse4)))) [2020-07-21 15:41:01,152 INFO L268 CegarLoopResult]: For program point L658(lines 657 676) no Hoare annotation was computed. [2020-07-21 15:41:01,152 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 654 677) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (<= 2 ~waterLevel~0)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse8 (= 0 |old(~pumpRunning~0)|)) (.cse9 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 .cse6 .cse7)) (or .cse8 .cse0 .cse9 (and .cse6 .cse7)) (or .cse0 .cse1 .cse3 .cse9 .cse4) (or .cse8 .cse0 .cse1 .cse9 .cse4) (or .cse0 .cse3 (not .cse8) .cse9 (and .cse5 .cse6 (= 0 ~pumpRunning~0))))) [2020-07-21 15:41:01,152 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 654 677) no Hoare annotation was computed. [2020-07-21 15:41:01,153 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 654 677) no Hoare annotation was computed. [2020-07-21 15:41:01,153 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 547 576) no Hoare annotation was computed. [2020-07-21 15:41:01,153 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 547 576) the Hoare annotation is: true [2020-07-21 15:41:01,153 INFO L271 CegarLoopResult]: At program point L572(lines 547 576) the Hoare annotation is: true [2020-07-21 15:41:01,153 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 15:41:01,153 INFO L268 CegarLoopResult]: For program point L561(lines 561 565) no Hoare annotation was computed. [2020-07-21 15:41:01,153 INFO L271 CegarLoopResult]: At program point L561-1(lines 561 565) the Hoare annotation is: true [2020-07-21 15:41:01,153 INFO L268 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-07-21 15:41:01,153 INFO L271 CegarLoopResult]: At program point L557-2(lines 557 571) the Hoare annotation is: true [2020-07-21 15:41:01,153 INFO L271 CegarLoopResult]: At program point L553(line 553) the Hoare annotation is: true [2020-07-21 15:41:01,153 INFO L268 CegarLoopResult]: For program point L553-1(line 553) no Hoare annotation was computed. [2020-07-21 15:41:01,154 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 453 464) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (<= 2 ~waterLevel~0)) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7 .cse4) (or .cse0 .cse1 .cse3 .cse6 .cse4) (or .cse1 .cse2 .cse7 .cse4 .cse5))) [2020-07-21 15:41:01,154 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 453 464) no Hoare annotation was computed. [2020-07-21 15:41:01,154 INFO L268 CegarLoopResult]: For program point L457-1(lines 453 464) no Hoare annotation was computed. [2020-07-21 15:41:01,154 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 602 608) no Hoare annotation was computed. [2020-07-21 15:41:01,154 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 602 608) the Hoare annotation is: true [2020-07-21 15:41:01,154 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:41:01,154 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 15:41:01,154 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:41:01,154 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:41:01,154 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 845 852) no Hoare annotation was computed. [2020-07-21 15:41:01,154 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 845 852) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (or .cse3 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2))) [2020-07-21 15:41:01,154 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 845 852) no Hoare annotation was computed. [2020-07-21 15:41:01,155 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2020-07-21 15:41:01,155 INFO L268 CegarLoopResult]: For program point L469-1(lines 465 476) no Hoare annotation was computed. [2020-07-21 15:41:01,155 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 465 476) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5) (or .cse0 .cse1 .cse6 .cse2 .cse4 .cse7) (or .cse0 .cse1 .cse6 .cse5 .cse7))) [2020-07-21 15:41:01,155 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 854 861) no Hoare annotation was computed. [2020-07-21 15:41:01,155 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 858) no Hoare annotation was computed. [2020-07-21 15:41:01,155 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 854 861) the Hoare annotation is: true [2020-07-21 15:41:01,155 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 854 861) no Hoare annotation was computed. [2020-07-21 15:41:01,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:41:01 BoogieIcfgContainer [2020-07-21 15:41:01,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 15:41:01,184 INFO L168 Benchmark]: Toolchain (without parser) took 19854.46 ms. Allocated memory was 138.9 MB in the beginning and 458.2 MB in the end (delta: 319.3 MB). Free memory was 102.3 MB in the beginning and 154.1 MB in the end (delta: -51.8 MB). Peak memory consumption was 306.6 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:01,185 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 15:41:01,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.27 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 101.9 MB in the beginning and 166.5 MB in the end (delta: -64.6 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:01,186 INFO L168 Benchmark]: Boogie Preprocessor took 88.27 ms. Allocated memory is still 201.9 MB. Free memory was 166.5 MB in the beginning and 162.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:01,187 INFO L168 Benchmark]: RCFGBuilder took 1085.23 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 162.5 MB in the beginning and 188.0 MB in the end (delta: -25.4 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:01,188 INFO L168 Benchmark]: TraceAbstraction took 18030.43 ms. Allocated memory was 235.4 MB in the beginning and 458.2 MB in the end (delta: 222.8 MB). Free memory was 188.0 MB in the beginning and 154.1 MB in the end (delta: 33.8 MB). Peak memory consumption was 295.8 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:01,198 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 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 645.27 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 101.9 MB in the beginning and 166.5 MB in the end (delta: -64.6 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.27 ms. Allocated memory is still 201.9 MB. Free memory was 166.5 MB in the beginning and 162.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1085.23 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 162.5 MB in the beginning and 188.0 MB in the end (delta: -25.4 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18030.43 ms. Allocated memory was 235.4 MB in the beginning and 458.2 MB in the end (delta: 222.8 MB). Free memory was 188.0 MB in the beginning and 154.1 MB in the end (delta: 33.8 MB). Peak memory consumption was 295.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 858]: 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: 557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.7s, OverallIterations: 12, TraceHistogramMax: 6, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2167 SDtfs, 1428 SDslu, 4528 SDs, 0 SdLazy, 1772 SolverSat, 619 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1818 GetRequests, 1757 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=926occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 212 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 1869 PreInvPairs, 1976 NumberOfFragments, 2388 HoareAnnotationTreeSize, 1869 FomulaSimplifications, 2995 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 64 FomulaSimplificationsInter, 10535 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1656 NumberOfCodeBlocks, 1226 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1802 ConstructedInterpolants, 0 QuantifiedInterpolants, 475437 SizeOfPredicates, 32 NumberOfNonLiveVariables, 9887 ConjunctsInSsa, 110 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 897/919 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...