/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 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:23:38,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:23:38,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:23:38,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:23:38,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:23:38,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:23:38,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:23:38,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:23:38,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:23:38,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:23:38,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:23:38,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:23:38,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:23:38,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:23:38,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:23:38,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:23:38,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:23:38,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:23:38,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:23:38,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:23:38,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:23:38,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:23:38,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:23:38,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:23:38,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:23:38,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:23:38,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:23:38,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:23:38,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:23:38,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:23:38,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:23:38,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:23:38,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:23:38,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:23:38,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:23:38,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:23:38,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:23:38,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:23:38,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:23:38,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:23:38,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:23:38,489 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 16:23:38,507 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:23:38,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:23:38,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:23:38,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:23:38,509 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:23:38,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:23:38,510 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:23:38,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:23:38,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:23:38,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:23:38,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:23:38,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:23:38,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:23:38,513 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:23:38,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:23:38,513 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:23:38,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:23:38,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:23:38,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:23:38,514 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:23:38,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:23:38,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:23:38,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:23:38,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:23:38,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:23:38,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:23:38,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:38,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:23:38,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:23:38,516 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 -> 4 [2020-07-20 16:23:38,819 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:23:38,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:23:38,836 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:23:38,838 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:23:38,838 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:23:38,839 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c [2020-07-20 16:23:38,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97c5351c/71e726d2c7684c31b5a151abe8ccafd2/FLAG0f0046832 [2020-07-20 16:23:39,431 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:23:39,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c [2020-07-20 16:23:39,455 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97c5351c/71e726d2c7684c31b5a151abe8ccafd2/FLAG0f0046832 [2020-07-20 16:23:39,765 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97c5351c/71e726d2c7684c31b5a151abe8ccafd2 [2020-07-20 16:23:39,775 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:23:39,777 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:23:39,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:23:39,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:23:39,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:23:39,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:23:39" (1/1) ... [2020-07-20 16:23:39,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36e4754b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:39, skipping insertion in model container [2020-07-20 16:23:39,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:23:39" (1/1) ... [2020-07-20 16:23:39,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:23:39,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:23:40,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:23:40,323 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:23:40,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:23:40,466 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:23:40,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:40 WrapperNode [2020-07-20 16:23:40,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:23:40,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:23:40,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:23:40,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:23:40,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:40" (1/1) ... [2020-07-20 16:23:40,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:40" (1/1) ... [2020-07-20 16:23:40,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:40" (1/1) ... [2020-07-20 16:23:40,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:40" (1/1) ... [2020-07-20 16:23:40,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:40" (1/1) ... [2020-07-20 16:23:40,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:40" (1/1) ... [2020-07-20 16:23:40,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:40" (1/1) ... [2020-07-20 16:23:40,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:23:40,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:23:40,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:23:40,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:23:40,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:23:40,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:23:40,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:23:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:23:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:23:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:23:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:23:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:23:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:23:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:23:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:23:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:23:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:23:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:23:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:23:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:23:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:23:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:23:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 16:23:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:23:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:23:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:23:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:23:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:23:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 16:23:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:23:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:23:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:23:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:23:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:23:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:23:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:23:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 16:23:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 16:23:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 16:23:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:23:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:23:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:23:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:23:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:23:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:23:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:23:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:23:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:23:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:23:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:23:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:23:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:23:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:23:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:23:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:23:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:23:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:23:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:23:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:23:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:23:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:23:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:23:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:23:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:23:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:23:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:23:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:23:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:23:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:23:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:23:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:23:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:23:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:23:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:23:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:23:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:23:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:23:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 16:23:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:23:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:23:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:23:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:23:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:23:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:23:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:23:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 16:23:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 16:23:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:23:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:23:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:23:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:23:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 16:23:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 16:23:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:23:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:23:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:23:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:23:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:23:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:23:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:23:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:23:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:23:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:23:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:23:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:23:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:23:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:23:43,866 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:23:43,867 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:23:43,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:23:43 BoogieIcfgContainer [2020-07-20 16:23:43,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:23:43,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:23:43,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:23:43,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:23:43,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:23:39" (1/3) ... [2020-07-20 16:23:43,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7f8aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:23:43, skipping insertion in model container [2020-07-20 16:23:43,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:40" (2/3) ... [2020-07-20 16:23:43,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7f8aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:23:43, skipping insertion in model container [2020-07-20 16:23:43,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:23:43" (3/3) ... [2020-07-20 16:23:43,886 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product56.cil.c [2020-07-20 16:23:43,899 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:23:43,910 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:23:43,926 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:23:43,960 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:23:43,961 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:23:43,961 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:23:43,962 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:23:43,962 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:23:43,963 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:23:43,964 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:23:43,964 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:23:43,990 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states. [2020-07-20 16:23:44,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 16:23:44,005 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:44,006 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:44,006 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:44,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:44,013 INFO L82 PathProgramCache]: Analyzing trace with hash -453171886, now seen corresponding path program 1 times [2020-07-20 16:23:44,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:44,020 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1771578901] [2020-07-20 16:23:44,021 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:44,497 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:44,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:44,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:23:44,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:44,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:44,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:44,547 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1771578901] [2020-07-20 16:23:44,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:44,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:23:44,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414434943] [2020-07-20 16:23:44,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:23:44,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:44,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:23:44,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:23:44,571 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 2 states. [2020-07-20 16:23:44,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:44,619 INFO L93 Difference]: Finished difference Result 312 states and 389 transitions. [2020-07-20 16:23:44,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:23:44,621 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 16:23:44,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:44,636 INFO L225 Difference]: With dead ends: 312 [2020-07-20 16:23:44,636 INFO L226 Difference]: Without dead ends: 158 [2020-07-20 16:23:44,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:23:44,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-20 16:23:44,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2020-07-20 16:23:44,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-07-20 16:23:44,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 188 transitions. [2020-07-20 16:23:44,713 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 188 transitions. Word has length 51 [2020-07-20 16:23:44,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:44,714 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 188 transitions. [2020-07-20 16:23:44,714 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:23:44,715 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 188 transitions. [2020-07-20 16:23:44,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 16:23:44,719 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:44,719 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:44,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:44,933 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:44,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:44,933 INFO L82 PathProgramCache]: Analyzing trace with hash 23130160, now seen corresponding path program 1 times [2020-07-20 16:23:44,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:44,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1803254983] [2020-07-20 16:23:44,934 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:45,354 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:45,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:45,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:23:45,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:45,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:45,394 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:45,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1803254983] [2020-07-20 16:23:45,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:45,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:45,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842587627] [2020-07-20 16:23:45,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:45,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:45,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:45,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:45,398 INFO L87 Difference]: Start difference. First operand 158 states and 188 transitions. Second operand 3 states. [2020-07-20 16:23:45,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:45,424 INFO L93 Difference]: Finished difference Result 251 states and 299 transitions. [2020-07-20 16:23:45,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:45,424 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 16:23:45,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:45,427 INFO L225 Difference]: With dead ends: 251 [2020-07-20 16:23:45,427 INFO L226 Difference]: Without dead ends: 149 [2020-07-20 16:23:45,429 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:45,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-07-20 16:23:45,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2020-07-20 16:23:45,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-07-20 16:23:45,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 176 transitions. [2020-07-20 16:23:45,452 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 176 transitions. Word has length 52 [2020-07-20 16:23:45,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:45,452 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 176 transitions. [2020-07-20 16:23:45,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:45,452 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 176 transitions. [2020-07-20 16:23:45,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 16:23:45,455 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:45,455 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:45,668 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:45,669 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:45,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:45,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1418292754, now seen corresponding path program 1 times [2020-07-20 16:23:45,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:45,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1252487022] [2020-07-20 16:23:45,671 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:46,144 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:46,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:46,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:23:46,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:46,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:46,186 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:46,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1252487022] [2020-07-20 16:23:46,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:46,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:46,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652786623] [2020-07-20 16:23:46,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:46,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:46,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:46,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:46,189 INFO L87 Difference]: Start difference. First operand 149 states and 176 transitions. Second operand 3 states. [2020-07-20 16:23:46,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:46,258 INFO L93 Difference]: Finished difference Result 387 states and 471 transitions. [2020-07-20 16:23:46,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:46,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-20 16:23:46,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:46,268 INFO L225 Difference]: With dead ends: 387 [2020-07-20 16:23:46,268 INFO L226 Difference]: Without dead ends: 266 [2020-07-20 16:23:46,273 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 [2020-07-20 16:23:46,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-07-20 16:23:46,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 260. [2020-07-20 16:23:46,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-07-20 16:23:46,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 315 transitions. [2020-07-20 16:23:46,326 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 315 transitions. Word has length 57 [2020-07-20 16:23:46,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:46,327 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 315 transitions. [2020-07-20 16:23:46,327 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:46,327 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 315 transitions. [2020-07-20 16:23:46,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 16:23:46,333 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:46,333 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] [2020-07-20 16:23:46,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:46,538 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:46,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:46,539 INFO L82 PathProgramCache]: Analyzing trace with hash -335998659, now seen corresponding path program 1 times [2020-07-20 16:23:46,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:46,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307015815] [2020-07-20 16:23:46,540 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:47,002 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:47,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:47,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:23:47,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:47,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:47,059 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:47,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307015815] [2020-07-20 16:23:47,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:47,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:47,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455175514] [2020-07-20 16:23:47,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:47,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:47,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:47,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:47,070 INFO L87 Difference]: Start difference. First operand 260 states and 315 transitions. Second operand 6 states. [2020-07-20 16:23:47,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:47,454 INFO L93 Difference]: Finished difference Result 614 states and 781 transitions. [2020-07-20 16:23:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:23:47,454 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-07-20 16:23:47,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:47,458 INFO L225 Difference]: With dead ends: 614 [2020-07-20 16:23:47,459 INFO L226 Difference]: Without dead ends: 382 [2020-07-20 16:23:47,461 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:47,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-07-20 16:23:47,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 372. [2020-07-20 16:23:47,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-07-20 16:23:47,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 453 transitions. [2020-07-20 16:23:47,500 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 453 transitions. Word has length 62 [2020-07-20 16:23:47,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:47,500 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 453 transitions. [2020-07-20 16:23:47,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:47,501 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 453 transitions. [2020-07-20 16:23:47,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-20 16:23:47,504 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:47,505 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:47,718 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:47,719 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:47,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:47,720 INFO L82 PathProgramCache]: Analyzing trace with hash -282404107, now seen corresponding path program 1 times [2020-07-20 16:23:47,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:47,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1862266828] [2020-07-20 16:23:47,722 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:48,171 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:48,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:48,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:23:48,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:48,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:48,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:48,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1862266828] [2020-07-20 16:23:48,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:48,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:48,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440274676] [2020-07-20 16:23:48,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:48,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:48,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:48,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:48,225 INFO L87 Difference]: Start difference. First operand 372 states and 453 transitions. Second operand 6 states. [2020-07-20 16:23:48,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:48,275 INFO L93 Difference]: Finished difference Result 726 states and 906 transitions. [2020-07-20 16:23:48,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:23:48,275 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2020-07-20 16:23:48,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:48,279 INFO L225 Difference]: With dead ends: 726 [2020-07-20 16:23:48,279 INFO L226 Difference]: Without dead ends: 382 [2020-07-20 16:23:48,281 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:23:48,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-07-20 16:23:48,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2020-07-20 16:23:48,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-07-20 16:23:48,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 463 transitions. [2020-07-20 16:23:48,313 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 463 transitions. Word has length 90 [2020-07-20 16:23:48,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:48,314 INFO L479 AbstractCegarLoop]: Abstraction has 382 states and 463 transitions. [2020-07-20 16:23:48,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:48,314 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 463 transitions. [2020-07-20 16:23:48,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-20 16:23:48,317 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:48,317 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:48,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:48,531 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:48,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:48,532 INFO L82 PathProgramCache]: Analyzing trace with hash -354790665, now seen corresponding path program 1 times [2020-07-20 16:23:48,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:48,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1853485298] [2020-07-20 16:23:48,533 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:48,714 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:23:48,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:48,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:23:48,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:48,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:48,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:48,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1853485298] [2020-07-20 16:23:48,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:48,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:23:48,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986128590] [2020-07-20 16:23:48,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:23:48,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:48,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:23:48,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:23:48,765 INFO L87 Difference]: Start difference. First operand 382 states and 463 transitions. Second operand 5 states. [2020-07-20 16:23:48,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:48,805 INFO L93 Difference]: Finished difference Result 750 states and 948 transitions. [2020-07-20 16:23:48,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:23:48,805 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 90 [2020-07-20 16:23:48,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:48,810 INFO L225 Difference]: With dead ends: 750 [2020-07-20 16:23:48,811 INFO L226 Difference]: Without dead ends: 396 [2020-07-20 16:23:48,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:23:48,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2020-07-20 16:23:48,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 390. [2020-07-20 16:23:48,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-07-20 16:23:48,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 471 transitions. [2020-07-20 16:23:48,854 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 471 transitions. Word has length 90 [2020-07-20 16:23:48,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:48,855 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 471 transitions. [2020-07-20 16:23:48,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:23:48,855 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 471 transitions. [2020-07-20 16:23:48,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-20 16:23:48,860 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:48,860 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:49,074 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:49,075 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:49,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:49,076 INFO L82 PathProgramCache]: Analyzing trace with hash -25024904, now seen corresponding path program 1 times [2020-07-20 16:23:49,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:49,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [659547605] [2020-07-20 16:23:49,077 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:49,428 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:49,429 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:49,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:23:49,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:49,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:49,470 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:49,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [659547605] [2020-07-20 16:23:49,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:49,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:49,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660176464] [2020-07-20 16:23:49,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:49,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:49,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:49,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:49,473 INFO L87 Difference]: Start difference. First operand 390 states and 471 transitions. Second operand 3 states. [2020-07-20 16:23:49,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:49,524 INFO L93 Difference]: Finished difference Result 1072 states and 1377 transitions. [2020-07-20 16:23:49,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:49,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-07-20 16:23:49,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:49,530 INFO L225 Difference]: With dead ends: 1072 [2020-07-20 16:23:49,530 INFO L226 Difference]: Without dead ends: 710 [2020-07-20 16:23:49,532 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:49,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2020-07-20 16:23:49,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 707. [2020-07-20 16:23:49,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2020-07-20 16:23:49,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 880 transitions. [2020-07-20 16:23:49,583 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 880 transitions. Word has length 90 [2020-07-20 16:23:49,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:49,583 INFO L479 AbstractCegarLoop]: Abstraction has 707 states and 880 transitions. [2020-07-20 16:23:49,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:49,584 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 880 transitions. [2020-07-20 16:23:49,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-20 16:23:49,586 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:49,586 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:49,800 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:49,801 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:49,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:49,801 INFO L82 PathProgramCache]: Analyzing trace with hash 159220338, now seen corresponding path program 1 times [2020-07-20 16:23:49,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:49,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [226991120] [2020-07-20 16:23:49,802 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:50,169 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:50,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:50,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 16:23:50,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:50,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:50,256 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:50,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [226991120] [2020-07-20 16:23:50,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:50,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:50,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931443626] [2020-07-20 16:23:50,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:50,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:50,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:50,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:50,258 INFO L87 Difference]: Start difference. First operand 707 states and 880 transitions. Second operand 6 states. [2020-07-20 16:23:50,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:50,600 INFO L93 Difference]: Finished difference Result 2026 states and 2582 transitions. [2020-07-20 16:23:50,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:23:50,601 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2020-07-20 16:23:50,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:50,614 INFO L225 Difference]: With dead ends: 2026 [2020-07-20 16:23:50,615 INFO L226 Difference]: Without dead ends: 1347 [2020-07-20 16:23:50,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:50,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2020-07-20 16:23:50,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1331. [2020-07-20 16:23:50,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1331 states. [2020-07-20 16:23:50,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 1662 transitions. [2020-07-20 16:23:50,729 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 1662 transitions. Word has length 94 [2020-07-20 16:23:50,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:50,730 INFO L479 AbstractCegarLoop]: Abstraction has 1331 states and 1662 transitions. [2020-07-20 16:23:50,730 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:50,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1662 transitions. [2020-07-20 16:23:50,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-20 16:23:50,742 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:50,742 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:50,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:50,958 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:50,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:50,959 INFO L82 PathProgramCache]: Analyzing trace with hash -452793586, now seen corresponding path program 1 times [2020-07-20 16:23:50,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:50,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [408687471] [2020-07-20 16:23:50,960 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:51,492 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:51,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:51,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 16:23:51,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:51,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:51,525 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:51,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [408687471] [2020-07-20 16:23:51,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:51,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:51,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16057970] [2020-07-20 16:23:51,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:51,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:51,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:51,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:51,527 INFO L87 Difference]: Start difference. First operand 1331 states and 1662 transitions. Second operand 3 states. [2020-07-20 16:23:51,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:51,619 INFO L93 Difference]: Finished difference Result 2382 states and 3015 transitions. [2020-07-20 16:23:51,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:51,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-07-20 16:23:51,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:51,638 INFO L225 Difference]: With dead ends: 2382 [2020-07-20 16:23:51,639 INFO L226 Difference]: Without dead ends: 2379 [2020-07-20 16:23:51,640 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:51,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2379 states. [2020-07-20 16:23:51,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2379 to 2283. [2020-07-20 16:23:51,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2283 states. [2020-07-20 16:23:51,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 2283 states and 2901 transitions. [2020-07-20 16:23:51,825 INFO L78 Accepts]: Start accepts. Automaton has 2283 states and 2901 transitions. Word has length 98 [2020-07-20 16:23:51,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:51,825 INFO L479 AbstractCegarLoop]: Abstraction has 2283 states and 2901 transitions. [2020-07-20 16:23:51,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:51,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 2901 transitions. [2020-07-20 16:23:51,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-20 16:23:51,834 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:51,834 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:52,047 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:52,048 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:52,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:52,049 INFO L82 PathProgramCache]: Analyzing trace with hash 201963294, now seen corresponding path program 1 times [2020-07-20 16:23:52,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:52,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1205410625] [2020-07-20 16:23:52,049 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:52,412 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:52,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:52,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:23:52,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:52,441 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-20 16:23:52,441 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:52,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1205410625] [2020-07-20 16:23:52,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:52,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:52,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614208398] [2020-07-20 16:23:52,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:52,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:52,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:52,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:52,443 INFO L87 Difference]: Start difference. First operand 2283 states and 2901 transitions. Second operand 3 states. [2020-07-20 16:23:52,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:52,678 INFO L93 Difference]: Finished difference Result 3616 states and 4592 transitions. [2020-07-20 16:23:52,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:52,679 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-07-20 16:23:52,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:52,688 INFO L225 Difference]: With dead ends: 3616 [2020-07-20 16:23:52,689 INFO L226 Difference]: Without dead ends: 1361 [2020-07-20 16:23:52,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:52,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2020-07-20 16:23:52,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 1329. [2020-07-20 16:23:52,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1329 states. [2020-07-20 16:23:52,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1649 transitions. [2020-07-20 16:23:52,813 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1649 transitions. Word has length 138 [2020-07-20 16:23:52,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:52,814 INFO L479 AbstractCegarLoop]: Abstraction has 1329 states and 1649 transitions. [2020-07-20 16:23:52,814 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:52,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1649 transitions. [2020-07-20 16:23:52,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-07-20 16:23:52,820 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:52,820 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:53,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:53,036 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:53,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:53,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1115432797, now seen corresponding path program 1 times [2020-07-20 16:23:53,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:53,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1109154688] [2020-07-20 16:23:53,037 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:53,492 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:53,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:53,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 16:23:53,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:53,536 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:53,537 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:53,537 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1109154688] [2020-07-20 16:23:53,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:53,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:53,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113874047] [2020-07-20 16:23:53,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:53,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:53,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:53,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:53,539 INFO L87 Difference]: Start difference. First operand 1329 states and 1649 transitions. Second operand 3 states. [2020-07-20 16:23:53,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:53,672 INFO L93 Difference]: Finished difference Result 2496 states and 3160 transitions. [2020-07-20 16:23:53,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:53,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2020-07-20 16:23:53,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:53,679 INFO L225 Difference]: With dead ends: 2496 [2020-07-20 16:23:53,679 INFO L226 Difference]: Without dead ends: 1195 [2020-07-20 16:23:53,684 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:53,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2020-07-20 16:23:53,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 1195. [2020-07-20 16:23:53,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1195 states. [2020-07-20 16:23:53,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 1425 transitions. [2020-07-20 16:23:53,738 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 1425 transitions. Word has length 162 [2020-07-20 16:23:53,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:53,738 INFO L479 AbstractCegarLoop]: Abstraction has 1195 states and 1425 transitions. [2020-07-20 16:23:53,739 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:53,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1425 transitions. [2020-07-20 16:23:53,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-07-20 16:23:53,744 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:53,744 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:53,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:53,961 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:53,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:53,962 INFO L82 PathProgramCache]: Analyzing trace with hash 177222806, now seen corresponding path program 1 times [2020-07-20 16:23:53,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:53,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [755906516] [2020-07-20 16:23:53,963 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:54,281 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:54,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:54,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 16:23:54,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:54,413 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:54,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:23:54,682 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 16:23:54,682 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:23:54,734 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 16:23:54,735 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:23:54,761 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 16:23:54,762 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:23:55,076 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-07-20 16:23:55,076 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [755906516] [2020-07-20 16:23:55,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:23:55,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 16 [2020-07-20 16:23:55,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801102893] [2020-07-20 16:23:55,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-20 16:23:55,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:55,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-20 16:23:55,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2020-07-20 16:23:55,078 INFO L87 Difference]: Start difference. First operand 1195 states and 1425 transitions. Second operand 16 states. [2020-07-20 16:23:58,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:58,204 INFO L93 Difference]: Finished difference Result 4945 states and 6449 transitions. [2020-07-20 16:23:58,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-20 16:23:58,205 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 175 [2020-07-20 16:23:58,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:58,234 INFO L225 Difference]: With dead ends: 4945 [2020-07-20 16:23:58,234 INFO L226 Difference]: Without dead ends: 3778 [2020-07-20 16:23:58,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 338 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=175, Invalid=581, Unknown=0, NotChecked=0, Total=756 [2020-07-20 16:23:58,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3778 states. [2020-07-20 16:23:58,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3778 to 3274. [2020-07-20 16:23:58,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3274 states. [2020-07-20 16:23:58,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 3274 states and 3964 transitions. [2020-07-20 16:23:58,516 INFO L78 Accepts]: Start accepts. Automaton has 3274 states and 3964 transitions. Word has length 175 [2020-07-20 16:23:58,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:58,516 INFO L479 AbstractCegarLoop]: Abstraction has 3274 states and 3964 transitions. [2020-07-20 16:23:58,516 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-20 16:23:58,517 INFO L276 IsEmpty]: Start isEmpty. Operand 3274 states and 3964 transitions. [2020-07-20 16:23:58,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-07-20 16:23:58,522 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:58,522 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:58,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:58,736 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:58,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:58,736 INFO L82 PathProgramCache]: Analyzing trace with hash -666782696, now seen corresponding path program 1 times [2020-07-20 16:23:58,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:58,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427264675] [2020-07-20 16:23:58,737 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:59,173 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:59,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:59,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 16:23:59,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:59,279 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 16:23:59,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:59,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427264675] [2020-07-20 16:23:59,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:59,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 16:23:59,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881372875] [2020-07-20 16:23:59,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 16:23:59,280 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:59,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 16:23:59,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:59,281 INFO L87 Difference]: Start difference. First operand 3274 states and 3964 transitions. Second operand 8 states. [2020-07-20 16:23:59,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:59,625 INFO L93 Difference]: Finished difference Result 5456 states and 6606 transitions. [2020-07-20 16:23:59,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 16:23:59,626 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 175 [2020-07-20 16:23:59,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:59,627 INFO L225 Difference]: With dead ends: 5456 [2020-07-20 16:23:59,628 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:23:59,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 167 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:59,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:23:59,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:23:59,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:23:59,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:23:59,644 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2020-07-20 16:23:59,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:59,644 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:23:59,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 16:23:59,644 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:23:59,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:23:59,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:59,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:24:02,594 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 31 [2020-07-20 16:24:02,880 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2020-07-20 16:24:03,292 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 31 [2020-07-20 16:24:03,530 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 29 [2020-07-20 16:24:03,816 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 30 [2020-07-20 16:24:03,953 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 28 [2020-07-20 16:24:04,275 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 33 [2020-07-20 16:24:04,473 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 28 [2020-07-20 16:24:04,678 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 28 [2020-07-20 16:24:05,852 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 143 DAG size of output: 71 [2020-07-20 16:24:07,421 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 144 DAG size of output: 76 [2020-07-20 16:24:07,739 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 34 [2020-07-20 16:24:08,095 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 35 [2020-07-20 16:24:08,869 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 54 [2020-07-20 16:24:09,128 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 31 [2020-07-20 16:24:09,339 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 29 [2020-07-20 16:24:09,660 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2020-07-20 16:24:09,845 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 28 [2020-07-20 16:24:10,150 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 39 [2020-07-20 16:24:10,499 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 28 [2020-07-20 16:24:11,355 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 55 [2020-07-20 16:24:11,587 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 30 [2020-07-20 16:24:12,000 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 42 [2020-07-20 16:24:12,409 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 38 [2020-07-20 16:24:12,661 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 30 [2020-07-20 16:24:13,673 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 129 DAG size of output: 64 [2020-07-20 16:24:13,923 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 25 [2020-07-20 16:24:14,126 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 26 [2020-07-20 16:24:14,331 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2020-07-20 16:24:14,518 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2020-07-20 16:24:14,961 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 37 [2020-07-20 16:24:15,257 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 25 [2020-07-20 16:24:15,277 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-20 16:24:15,278 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-20 16:24:15,278 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 16:24:15,278 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-20 16:24:15,278 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:24:15,278 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-20 16:24:15,279 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:24:15,279 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:24:15,279 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 16:24:15,279 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-20 16:24:15,279 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:24:15,279 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-20 16:24:15,279 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-20 16:24:15,279 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 16:24:15,279 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:24:15,280 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-20 16:24:15,280 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:24:15,280 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-20 16:24:15,280 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 909 915) the Hoare annotation is: true [2020-07-20 16:24:15,280 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 909 915) no Hoare annotation was computed. [2020-07-20 16:24:15,280 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 916 924) no Hoare annotation was computed. [2020-07-20 16:24:15,281 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 916 924) the Hoare annotation is: true [2020-07-20 16:24:15,281 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 916 924) no Hoare annotation was computed. [2020-07-20 16:24:15,281 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 999 1021) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:15,281 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 999 1021) no Hoare annotation was computed. [2020-07-20 16:24:15,281 INFO L264 CegarLoopResult]: At program point L1011(line 1011) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:15,282 INFO L264 CegarLoopResult]: At program point L1011-1(line 1011) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:15,282 INFO L268 CegarLoopResult]: For program point L1009(lines 1009 1016) no Hoare annotation was computed. [2020-07-20 16:24:15,282 INFO L268 CegarLoopResult]: For program point L1009-1(lines 1009 1016) no Hoare annotation was computed. [2020-07-20 16:24:15,282 INFO L268 CegarLoopResult]: For program point L1007(line 1007) no Hoare annotation was computed. [2020-07-20 16:24:15,282 INFO L264 CegarLoopResult]: At program point L1006(line 1006) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:15,282 INFO L264 CegarLoopResult]: At program point L1005(line 1005) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:15,282 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 999 1021) no Hoare annotation was computed. [2020-07-20 16:24:15,283 INFO L264 CegarLoopResult]: At program point L1005-1(line 1005) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:15,283 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 957 980) no Hoare annotation was computed. [2020-07-20 16:24:15,283 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 957 980) no Hoare annotation was computed. [2020-07-20 16:24:15,283 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 957 980) no Hoare annotation was computed. [2020-07-20 16:24:15,283 INFO L268 CegarLoopResult]: For program point L975(line 975) no Hoare annotation was computed. [2020-07-20 16:24:15,283 INFO L268 CegarLoopResult]: For program point L974(line 974) no Hoare annotation was computed. [2020-07-20 16:24:15,283 INFO L268 CegarLoopResult]: For program point L973(line 973) no Hoare annotation was computed. [2020-07-20 16:24:15,284 INFO L268 CegarLoopResult]: For program point L972(line 972) no Hoare annotation was computed. [2020-07-20 16:24:15,284 INFO L268 CegarLoopResult]: For program point L971(line 971) no Hoare annotation was computed. [2020-07-20 16:24:15,284 INFO L268 CegarLoopResult]: For program point L970(line 970) no Hoare annotation was computed. [2020-07-20 16:24:15,284 INFO L268 CegarLoopResult]: For program point L969(line 969) no Hoare annotation was computed. [2020-07-20 16:24:15,284 INFO L268 CegarLoopResult]: For program point L968(line 968) no Hoare annotation was computed. [2020-07-20 16:24:15,284 INFO L268 CegarLoopResult]: For program point L967(line 967) no Hoare annotation was computed. [2020-07-20 16:24:15,284 INFO L268 CegarLoopResult]: For program point L966(line 966) no Hoare annotation was computed. [2020-07-20 16:24:15,284 INFO L268 CegarLoopResult]: For program point L965(line 965) no Hoare annotation was computed. [2020-07-20 16:24:15,284 INFO L268 CegarLoopResult]: For program point L964(line 964) no Hoare annotation was computed. [2020-07-20 16:24:15,284 INFO L268 CegarLoopResult]: For program point L963(line 963) no Hoare annotation was computed. [2020-07-20 16:24:15,285 INFO L268 CegarLoopResult]: For program point L962(line 962) no Hoare annotation was computed. [2020-07-20 16:24:15,285 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 794 808) no Hoare annotation was computed. [2020-07-20 16:24:15,285 INFO L264 CegarLoopResult]: At program point L800(line 800) the Hoare annotation is: (let ((.cse6 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (and (<= 1 ~systemActive~0) (<= 1 ~pumpRunning~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse1 .cse4 .cse3 .cse6 .cse7) (or .cse0 .cse4 .cse3 .cse5 .cse7) (or .cse0 .cse2 .cse5) (or .cse0 .cse1 .cse4 .cse3 .cse7))) [2020-07-20 16:24:15,285 INFO L268 CegarLoopResult]: For program point L798(lines 798 804) no Hoare annotation was computed. [2020-07-20 16:24:15,285 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 794 808) the Hoare annotation is: (let ((.cse3 (not (<= 2 ~waterLevel~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (= 0 ~methAndRunningLastTime~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (and (<= 1 ~systemActive~0) (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7) (or .cse8 .cse1 .cse0 .cse3 .cse4) (or .cse5 .cse8 .cse6 .cse7) (or .cse5 .cse1 .cse0 .cse2 .cse4) (or .cse5 .cse8 .cse1 .cse0 .cse4))) [2020-07-20 16:24:15,285 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 794 808) no Hoare annotation was computed. [2020-07-20 16:24:15,285 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 711 719) no Hoare annotation was computed. [2020-07-20 16:24:15,286 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 711 719) the Hoare annotation is: true [2020-07-20 16:24:15,286 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 711 719) no Hoare annotation was computed. [2020-07-20 16:24:15,286 INFO L268 CegarLoopResult]: For program point L784(lines 784 788) no Hoare annotation was computed. [2020-07-20 16:24:15,286 INFO L271 CegarLoopResult]: At program point L782(line 782) the Hoare annotation is: true [2020-07-20 16:24:15,286 INFO L268 CegarLoopResult]: For program point L784-2(lines 784 788) no Hoare annotation was computed. [2020-07-20 16:24:15,286 INFO L268 CegarLoopResult]: For program point L782-1(line 782) no Hoare annotation was computed. [2020-07-20 16:24:15,286 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 775 793) the Hoare annotation is: true [2020-07-20 16:24:15,286 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 775 793) no Hoare annotation was computed. [2020-07-20 16:24:15,286 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 775 793) no Hoare annotation was computed. [2020-07-20 16:24:15,287 INFO L268 CegarLoopResult]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2020-07-20 16:24:15,287 INFO L268 CegarLoopResult]: For program point L727(lines 727 735) no Hoare annotation was computed. [2020-07-20 16:24:15,287 INFO L268 CegarLoopResult]: For program point L727-2(lines 727 735) no Hoare annotation was computed. [2020-07-20 16:24:15,287 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 720 755) no Hoare annotation was computed. [2020-07-20 16:24:15,287 INFO L268 CegarLoopResult]: For program point L750(line 750) no Hoare annotation was computed. [2020-07-20 16:24:15,287 INFO L268 CegarLoopResult]: For program point L750-1(line 750) no Hoare annotation was computed. [2020-07-20 16:24:15,287 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 720 755) no Hoare annotation was computed. [2020-07-20 16:24:15,287 INFO L268 CegarLoopResult]: For program point L739(lines 739 747) no Hoare annotation was computed. [2020-07-20 16:24:15,288 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 720 755) no Hoare annotation was computed. [2020-07-20 16:24:15,288 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 902 908) no Hoare annotation was computed. [2020-07-20 16:24:15,288 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 902 908) the Hoare annotation is: true [2020-07-20 16:24:15,288 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:24:15,288 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:24:15,288 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:24:15,288 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-20 16:24:15,288 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:24:15,288 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-20 16:24:15,289 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-20 16:24:15,289 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:24:15,289 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:24:15,289 INFO L264 CegarLoopResult]: At program point L993(line 993) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:15,289 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 988 998) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:15,289 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 988 998) no Hoare annotation was computed. [2020-07-20 16:24:15,289 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 988 998) no Hoare annotation was computed. [2020-07-20 16:24:15,289 INFO L271 CegarLoopResult]: At program point L705(line 705) the Hoare annotation is: true [2020-07-20 16:24:15,290 INFO L268 CegarLoopResult]: For program point L705-1(line 705) no Hoare annotation was computed. [2020-07-20 16:24:15,290 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 700 710) the Hoare annotation is: true [2020-07-20 16:24:15,290 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 700 710) no Hoare annotation was computed. [2020-07-20 16:24:15,290 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 700 710) no Hoare annotation was computed. [2020-07-20 16:24:15,290 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 692 699) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 .cse4) (or .cse6 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse1 .cse3 .cse5 .cse4))) [2020-07-20 16:24:15,290 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 692 699) no Hoare annotation was computed. [2020-07-20 16:24:15,290 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 692 699) no Hoare annotation was computed. [2020-07-20 16:24:15,290 INFO L268 CegarLoopResult]: For program point L506(lines 506 512) no Hoare annotation was computed. [2020-07-20 16:24:15,290 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 502 515) no Hoare annotation was computed. [2020-07-20 16:24:15,291 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 502 515) the Hoare annotation is: true [2020-07-20 16:24:15,291 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 502 515) no Hoare annotation was computed. [2020-07-20 16:24:15,291 INFO L264 CegarLoopResult]: At program point L673(line 673) the Hoare annotation is: (let ((.cse7 (<= 1 ~pumpRunning~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse3 .cse6) (or .cse0 .cse1 .cse2 .cse5) (or .cse4 .cse1 .cse2 .cse5))) [2020-07-20 16:24:15,291 INFO L264 CegarLoopResult]: At program point L669(line 669) the Hoare annotation is: (let ((.cse7 (<= 1 ~pumpRunning~0))) (let ((.cse4 (not (<= 1 ~waterLevel~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse7))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 .cse7) (or .cse4 .cse1 .cse2 .cse5 .cse8) (or .cse0 .cse1 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse3 .cse6) (or .cse0 .cse1 .cse2 .cse5 .cse8)))) [2020-07-20 16:24:15,291 INFO L268 CegarLoopResult]: For program point L667(lines 667 675) no Hoare annotation was computed. [2020-07-20 16:24:15,291 INFO L264 CegarLoopResult]: At program point L665(line 665) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse6) (or .cse0 .cse1 .cse3 .cse7 .cse4) (or .cse5 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse3 .cse7 .cse4) (or .cse5 .cse1 .cse6 .cse7))) [2020-07-20 16:24:15,291 INFO L268 CegarLoopResult]: For program point L665-1(line 665) no Hoare annotation was computed. [2020-07-20 16:24:15,292 INFO L268 CegarLoopResult]: For program point L663(lines 663 680) no Hoare annotation was computed. [2020-07-20 16:24:15,292 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 659 683) no Hoare annotation was computed. [2020-07-20 16:24:15,292 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 659 683) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (<= 1 ~pumpRunning~0)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 .cse4) (or .cse6 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse1 .cse3 .cse5 .cse4) (or .cse6 .cse1 .cse2 .cse7 .cse8) (or .cse6 .cse1 .cse7 .cse5 .cse8))) [2020-07-20 16:24:15,292 INFO L264 CegarLoopResult]: At program point L678(line 678) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5) (or .cse0 .cse1 .cse3 .cse6 .cse4) (or .cse0 .cse1 .cse5 .cse6) (or .cse7 .cse1 .cse2 .cse5) (or .cse7 .cse1 .cse5 .cse6))) [2020-07-20 16:24:15,292 INFO L268 CegarLoopResult]: For program point L678-1(lines 659 683) no Hoare annotation was computed. [2020-07-20 16:24:15,292 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 599 605) no Hoare annotation was computed. [2020-07-20 16:24:15,292 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 599 605) the Hoare annotation is: true [2020-07-20 16:24:15,293 INFO L264 CegarLoopResult]: At program point testENTRY(lines 819 886) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:15,293 INFO L268 CegarLoopResult]: For program point L830(lines 829 878) no Hoare annotation was computed. [2020-07-20 16:24:15,293 INFO L264 CegarLoopResult]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse5 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (and .cse5 .cse1 .cse6 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and .cse4 .cse5 .cse6 .cse2))) [2020-07-20 16:24:15,293 INFO L268 CegarLoopResult]: For program point L859(lines 859 874) no Hoare annotation was computed. [2020-07-20 16:24:15,293 INFO L268 CegarLoopResult]: For program point testFINAL(lines 819 886) no Hoare annotation was computed. [2020-07-20 16:24:15,293 INFO L264 CegarLoopResult]: At program point L851(line 851) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 .cse6) (and .cse5 .cse0 .cse4 .cse6 .cse7) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse0 .cse3 .cse4 .cse6) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse4 .cse6 .cse7))) [2020-07-20 16:24:15,294 INFO L268 CegarLoopResult]: For program point L849(lines 849 855) no Hoare annotation was computed. [2020-07-20 16:24:15,294 INFO L268 CegarLoopResult]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2020-07-20 16:24:15,294 INFO L264 CegarLoopResult]: At program point L876(lines 829 878) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 .cse6) (and .cse5 .cse0 .cse4 .cse6 .cse7) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse0 .cse3 .cse4 .cse6) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse4 .cse6 .cse7))) [2020-07-20 16:24:15,294 INFO L264 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 .cse6) (and .cse5 .cse0 .cse4 .cse6 .cse7) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse0 .cse3 .cse4 .cse6) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse4 .cse6 .cse7))) [2020-07-20 16:24:15,294 INFO L268 CegarLoopResult]: For program point L839(lines 839 845) no Hoare annotation was computed. [2020-07-20 16:24:15,294 INFO L268 CegarLoopResult]: For program point L839-1(lines 839 845) no Hoare annotation was computed. [2020-07-20 16:24:15,294 INFO L268 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2020-07-20 16:24:15,295 INFO L264 CegarLoopResult]: At program point L879(lines 828 880) 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(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:24:15,295 INFO L264 CegarLoopResult]: At program point L869(line 869) the Hoare annotation is: (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse3 (<= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (and .cse1 .cse5 .cse2 .cse3 .cse4) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse6 .cse5 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse7 .cse2) (and .cse0 .cse1 .cse7 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:24:15,295 INFO L268 CegarLoopResult]: For program point L867(lines 867 873) no Hoare annotation was computed. [2020-07-20 16:24:15,295 INFO L268 CegarLoopResult]: For program point testEXIT(lines 819 886) no Hoare annotation was computed. [2020-07-20 16:24:15,295 INFO L264 CegarLoopResult]: At program point L867-1(lines 859 874) the Hoare annotation is: (let ((.cse8 (<= 2 ~waterLevel~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse4 (<= 1 ~systemActive~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse3 .cse4 .cse6) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse3 .cse4 .cse6) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse7 .cse2 .cse3) (and .cse5 .cse8 .cse3 .cse4 .cse6) (and .cse8 .cse1 .cse3 .cse4 .cse6) (not (<= 1 |old(~waterLevel~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse1 .cse7 .cse2 .cse3) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:24:15,295 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:24:15,295 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:24:15,295 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:24:15,295 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-20 16:24:15,295 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-20 16:24:15,295 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-20 16:24:15,296 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 516 524) no Hoare annotation was computed. [2020-07-20 16:24:15,296 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 516 524) the Hoare annotation is: true [2020-07-20 16:24:15,296 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 516 524) no Hoare annotation was computed. [2020-07-20 16:24:15,296 INFO L268 CegarLoopResult]: For program point L546-1(line 546) no Hoare annotation was computed. [2020-07-20 16:24:15,296 INFO L268 CegarLoopResult]: For program point L544(lines 544 561) no Hoare annotation was computed. [2020-07-20 16:24:15,296 INFO L268 CegarLoopResult]: For program point L544-1(lines 536 564) no Hoare annotation was computed. [2020-07-20 16:24:15,296 INFO L264 CegarLoopResult]: At program point L542(line 542) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 16:24:15,296 INFO L268 CegarLoopResult]: For program point L542-1(line 542) no Hoare annotation was computed. [2020-07-20 16:24:15,296 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 536 564) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 16:24:15,297 INFO L264 CegarLoopResult]: At program point L551(line 551) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~systemActive~0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse3) (or .cse0 .cse1 .cse4) (or .cse0 .cse5 .cse3 (not (= 0 ~waterLevel~0))) (or .cse0 .cse2 .cse5 .cse3) (or .cse6 .cse5 .cse4) (or .cse0 .cse5 .cse4) (or .cse1 .cse6 .cse4) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse5 .cse3))) [2020-07-20 16:24:15,297 INFO L268 CegarLoopResult]: For program point L549(lines 549 555) no Hoare annotation was computed. [2020-07-20 16:24:15,297 INFO L268 CegarLoopResult]: For program point L548(lines 548 558) no Hoare annotation was computed. [2020-07-20 16:24:15,297 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 536 564) no Hoare annotation was computed. [2020-07-20 16:24:15,297 INFO L264 CegarLoopResult]: At program point L546(line 546) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 .cse2 (not (= 0 ~waterLevel~0))) (or .cse0 .cse1 .cse3 .cse2) (or (not (= 0 ~systemActive~0)) .cse3 .cse4) (or .cse0 .cse3 .cse4) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse3 .cse2))) [2020-07-20 16:24:15,297 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-07-20 16:24:15,297 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-07-20 16:24:15,297 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 470 492) no Hoare annotation was computed. [2020-07-20 16:24:15,298 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 470 492) no Hoare annotation was computed. [2020-07-20 16:24:15,298 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 470 492) no Hoare annotation was computed. [2020-07-20 16:24:15,298 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 528 535) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:24:15,298 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 528 535) no Hoare annotation was computed. [2020-07-20 16:24:15,298 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 528 535) no Hoare annotation was computed. [2020-07-20 16:24:15,298 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-20 16:24:15,298 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:24:15,298 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-20 16:24:15,299 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 16:24:15,299 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-20 16:24:15,299 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-20 16:24:15,299 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:24:15,299 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 16:24:15,299 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-20 16:24:15,299 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-20 16:24:15,299 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:24:15,300 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-20 16:24:15,300 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-20 16:24:15,300 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-20 16:24:15,300 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-20 16:24:15,300 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-20 16:24:15,300 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 892 901) no Hoare annotation was computed. [2020-07-20 16:24:15,300 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 892 901) no Hoare annotation was computed. [2020-07-20 16:24:15,300 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 892 901) no Hoare annotation was computed. [2020-07-20 16:24:15,300 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:24:15,301 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= |old(~waterLevel~0)| ~waterLevel~0) [2020-07-20 16:24:15,301 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:24:15,301 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 684 691) no Hoare annotation was computed. [2020-07-20 16:24:15,301 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 684 691) no Hoare annotation was computed. [2020-07-20 16:24:15,301 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 684 691) 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))) [2020-07-20 16:24:15,301 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 493 501) no Hoare annotation was computed. [2020-07-20 16:24:15,301 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 493 501) no Hoare annotation was computed. [2020-07-20 16:24:15,301 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 493 501) no Hoare annotation was computed. [2020-07-20 16:24:15,302 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 756 774) no Hoare annotation was computed. [2020-07-20 16:24:15,302 INFO L268 CegarLoopResult]: For program point L765(lines 765 769) no Hoare annotation was computed. [2020-07-20 16:24:15,302 INFO L271 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: true [2020-07-20 16:24:15,302 INFO L268 CegarLoopResult]: For program point L765-2(lines 765 769) no Hoare annotation was computed. [2020-07-20 16:24:15,302 INFO L268 CegarLoopResult]: For program point L763-1(line 763) no Hoare annotation was computed. [2020-07-20 16:24:15,302 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 756 774) the Hoare annotation is: true [2020-07-20 16:24:15,302 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 756 774) no Hoare annotation was computed. [2020-07-20 16:24:15,303 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:24:15,303 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:24:15,303 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:24:15,303 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 449 460) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 0 ~systemActive~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse8 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse5 .cse6 (not (<= 2 ~waterLevel~0)) .cse7 .cse8) (or .cse0 .cse5 .cse1 .cse3 .cse7) (or .cse0 .cse2 .cse6 .cse4 .cse8) (or .cse0 .cse5 .cse6 .cse4 .cse8))) [2020-07-20 16:24:15,303 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 449 460) no Hoare annotation was computed. [2020-07-20 16:24:15,303 INFO L268 CegarLoopResult]: For program point L453-1(lines 449 460) no Hoare annotation was computed. [2020-07-20 16:24:15,303 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 461 469) the Hoare annotation is: true [2020-07-20 16:24:15,303 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 461 469) no Hoare annotation was computed. [2020-07-20 16:24:15,304 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 461 469) no Hoare annotation was computed. [2020-07-20 16:24:15,304 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 575 598) the Hoare annotation is: (let ((.cse16 (= 0 ~methAndRunningLastTime~0)) (.cse18 (= 0 ~pumpRunning~0)) (.cse11 (<= 1 ~pumpRunning~0)) (.cse12 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse14 (and .cse11 .cse12)) (.cse15 (not (<= 2 |old(~waterLevel~0)|))) (.cse17 (and .cse18 .cse12)) (.cse8 (not (= 0 ~systemActive~0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (<= ~waterLevel~0 1)) (.cse9 (not (= 0 |old(~waterLevel~0)|))) (.cse10 (= 0 ~waterLevel~0)) (.cse13 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and .cse16 .cse18 .cse12))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse1 .cse2 .cse7) (or .cse5 .cse8 .cse2 .cse3 .cse9 .cse10) (or .cse5 (and .cse7 .cse11 .cse12) .cse0 .cse6 .cse13 .cse1) (or .cse5 .cse6 .cse8 .cse2 .cse7) (or .cse0 .cse6 .cse14 .cse13 .cse15) (or .cse5 .cse8 .cse2 .cse3 .cse7) (or .cse0 (and .cse16 .cse11 .cse12) .cse13 .cse1 .cse3) (or .cse0 .cse1 .cse2 .cse3 .cse9 .cse10) (or .cse17 .cse8 .cse2 .cse3) (or .cse0 .cse13 .cse1 .cse3 .cse9 .cse10) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse7) (or .cse0 .cse14 .cse13 .cse3 .cse15) (or .cse0 .cse6 .cse1 .cse2 .cse9 .cse10) (or .cse6 .cse17 .cse8 .cse2) (or .cse6 .cse8 .cse2 .cse9 .cse10) (or .cse5 .cse0 .cse13 .cse1 .cse3 .cse7) (or .cse0 .cse6 .cse13 .cse1 .cse9 .cse10) (or .cse0 .cse6 .cse16 .cse13 .cse1) (or .cse0 .cse6 .cse1 .cse2 .cse4)))) [2020-07-20 16:24:15,304 INFO L264 CegarLoopResult]: At program point L588(line 588) the Hoare annotation is: (let ((.cse15 (= 0 ~methAndRunningLastTime~0)) (.cse16 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse17 (<= 1 ~pumpRunning~0))) (let ((.cse9 (and .cse16 .cse17)) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse11 (and .cse15 .cse16 .cse17)) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (<= ~waterLevel~0 1)) (.cse14 (not (= 0 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (not (= 0 |old(~waterLevel~0)|))) (.cse13 (= 0 ~waterLevel~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and .cse15 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse1 .cse2 .cse7) (or .cse0 .cse8 .cse3 .cse9 .cse10) (or .cse0 .cse8 .cse11 .cse1 .cse3) (or .cse0 .cse1 .cse2 .cse3 .cse12 .cse13) (or .cse0 .cse6 .cse8 .cse9 .cse10) (or .cse0 .cse8 .cse1 .cse3 .cse12 .cse13) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse7) (or .cse5 .cse0 .cse6 .cse8 .cse1 .cse7) (or .cse6 .cse14 .cse2) (or .cse0 .cse6 .cse8 .cse11 .cse1) (or .cse0 .cse6 .cse1 .cse2 .cse12 .cse13) (or .cse5 .cse0 .cse8 .cse1 .cse3 .cse7) (or .cse14 .cse2 .cse3) (or .cse0 .cse6 .cse8 .cse1 .cse12 .cse13) (or .cse0 .cse6 .cse1 .cse2 .cse4)))) [2020-07-20 16:24:15,304 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 575 598) no Hoare annotation was computed. [2020-07-20 16:24:15,305 INFO L264 CegarLoopResult]: At program point L586(lines 586 592) the Hoare annotation is: (let ((.cse16 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse18 (<= ~waterLevel~0 1)) (.cse19 (= 0 ~methAndRunningLastTime~0)) (.cse17 (<= 1 ~pumpRunning~0)) (.cse20 (= 0 ~pumpRunning~0)) (.cse21 (<= 1 ~systemActive~0)) (.cse22 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 0 ~waterLevel~0))) (let ((.cse4 (and .cse20 .cse21 .cse22 .cse9)) (.cse13 (not (<= 2 |old(~waterLevel~0)|))) (.cse15 (and .cse19 .cse17 .cse22)) (.cse10 (and .cse20 .cse18 .cse22)) (.cse14 (and .cse20 .cse22)) (.cse7 (not (= 0 ~systemActive~0))) (.cse5 (not (= 0 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not .cse21)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse12 (and .cse16 .cse20))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse3 .cse8 .cse5 .cse9) (or .cse6 .cse0 .cse1 .cse10 .cse2 .cse3) (or .cse0 .cse1 .cse11 .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse11 .cse12 .cse13) (or .cse0 .cse2 .cse3 .cse8 .cse5 .cse9) (or .cse14 .cse7 .cse3 .cse8) (or .cse0 .cse1 .cse14 .cse15 .cse2 .cse3) (or .cse0 .cse11 .cse2 .cse8 .cse5 .cse9) (or .cse6 .cse1 .cse10 .cse7 .cse3) (or .cse0 .cse11 .cse8 .cse12 (and .cse16 .cse17) .cse13) (or .cse6 .cse0 .cse1 .cse11 .cse2 .cse18) (or .cse0 .cse14 .cse15 .cse2 .cse3 .cse8) (or .cse6 .cse10 .cse7 .cse3 .cse8) (or .cse1 .cse14 .cse7 .cse3) (or .cse1 .cse7 .cse3 .cse5 .cse9) (or .cse6 .cse0 .cse11 .cse2 .cse8 .cse18) (or .cse0 .cse11 (and .cse19 .cse16 .cse17) .cse2 .cse8 .cse12) (or .cse6 .cse0 .cse2 .cse3 .cse8 (and .cse20 .cse18)) (or .cse0 .cse1 .cse11 .cse2 .cse12)))) [2020-07-20 16:24:15,305 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 575 598) no Hoare annotation was computed. [2020-07-20 16:24:15,305 INFO L264 CegarLoopResult]: At program point L581(line 581) the Hoare annotation is: (let ((.cse13 (<= 1 ~pumpRunning~0)) (.cse14 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse9 (and .cse13 .cse14)) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse11 (not (<= |old(~waterLevel~0)| 1))) (.cse12 (<= ~waterLevel~0 1)) (.cse8 (not (= 0 ~systemActive~0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~waterLevel~0)|))) (.cse5 (= 0 ~waterLevel~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse15 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse2 .cse7) (or .cse6 .cse8 .cse7) (or .cse0 .cse2 .cse7 .cse3) (or .cse0 .cse9 .cse1 .cse3 .cse10) (or .cse11 (and .cse12 .cse13 .cse14) .cse0 .cse6 .cse1 .cse2) (or .cse0 .cse6 .cse9 .cse1 .cse10) (or .cse0 (and .cse15 .cse13 .cse14) .cse1 .cse2 .cse3) (or .cse11 .cse0 .cse1 .cse2 .cse3 .cse12) (or .cse8 .cse7 .cse3) (or .cse0 .cse6 .cse1 .cse2 .cse4 .cse5) (or .cse0 .cse6 .cse15 .cse1 .cse2)))) [2020-07-20 16:24:15,305 INFO L268 CegarLoopResult]: For program point L579(lines 578 597) no Hoare annotation was computed. [2020-07-20 16:24:15,305 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 927 956) no Hoare annotation was computed. [2020-07-20 16:24:15,306 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 927 956) the Hoare annotation is: true [2020-07-20 16:24:15,306 INFO L271 CegarLoopResult]: At program point L952(lines 927 956) the Hoare annotation is: true [2020-07-20 16:24:15,306 INFO L268 CegarLoopResult]: For program point L948(line 948) no Hoare annotation was computed. [2020-07-20 16:24:15,306 INFO L268 CegarLoopResult]: For program point L941(lines 941 945) no Hoare annotation was computed. [2020-07-20 16:24:15,306 INFO L271 CegarLoopResult]: At program point L941-1(lines 941 945) the Hoare annotation is: true [2020-07-20 16:24:15,306 INFO L268 CegarLoopResult]: For program point L938(line 938) no Hoare annotation was computed. [2020-07-20 16:24:15,306 INFO L271 CegarLoopResult]: At program point L937-2(lines 937 951) the Hoare annotation is: true [2020-07-20 16:24:15,306 INFO L271 CegarLoopResult]: At program point L933(line 933) the Hoare annotation is: true [2020-07-20 16:24:15,307 INFO L268 CegarLoopResult]: For program point L933-1(line 933) no Hoare annotation was computed. [2020-07-20 16:24:15,307 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 425 436) the Hoare annotation is: (let ((.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (= 0 |old(~waterLevel~0)|))) (.cse10 (= 0 ~waterLevel~0)) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (<= ~waterLevel~0 1)) (.cse6 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse1 (and .cse7 .cse4) .cse2) (or .cse0 .cse8 .cse2 .cse3 .cse4) (or .cse6 .cse0 .cse1 .cse2 .cse9 .cse10) (or .cse6 .cse0 .cse8 .cse2 .cse9 .cse10) (or .cse5 .cse6 .cse0 .cse8 .cse7 .cse2) (or .cse6 .cse0 .cse8 .cse2 .cse4))) [2020-07-20 16:24:15,307 INFO L268 CegarLoopResult]: For program point L429-1(lines 425 436) no Hoare annotation was computed. [2020-07-20 16:24:15,307 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 425 436) no Hoare annotation was computed. [2020-07-20 16:24:15,307 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 981 987) no Hoare annotation was computed. [2020-07-20 16:24:15,307 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 981 987) the Hoare annotation is: true [2020-07-20 16:24:15,307 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:24:15,307 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 16:24:15,308 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:24:15,308 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:24:15,308 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 809 816) no Hoare annotation was computed. [2020-07-20 16:24:15,308 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 809 816) the Hoare annotation is: true [2020-07-20 16:24:15,308 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 809 816) no Hoare annotation was computed. [2020-07-20 16:24:15,308 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 607 631) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (= 0 ~pumpRunning~0))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse5 .cse6) (or .cse4 .cse0 .cse5 .cse2 .cse6))) [2020-07-20 16:24:15,308 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 607 631) no Hoare annotation was computed. [2020-07-20 16:24:15,308 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (not (<= 1 ~waterLevel~0)) .cse1 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4))) [2020-07-20 16:24:15,309 INFO L268 CegarLoopResult]: For program point L626-1(lines 607 631) no Hoare annotation was computed. [2020-07-20 16:24:15,309 INFO L264 CegarLoopResult]: At program point L621(line 621) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse4) (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3) (or (not (<= 1 ~waterLevel~0)) .cse2 .cse5 .cse4))) [2020-07-20 16:24:15,309 INFO L264 CegarLoopResult]: At program point L617(line 617) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3) (or (not (<= 1 ~waterLevel~0)) .cse1 .cse5 .cse4))) [2020-07-20 16:24:15,309 INFO L268 CegarLoopResult]: For program point L615(lines 615 623) no Hoare annotation was computed. [2020-07-20 16:24:15,309 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or .cse0 .cse1 .cse5 .cse4) (or (not (<= 1 ~waterLevel~0)) .cse1 .cse5 .cse4))) [2020-07-20 16:24:15,309 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-07-20 16:24:15,309 INFO L268 CegarLoopResult]: For program point L611(lines 611 628) no Hoare annotation was computed. [2020-07-20 16:24:15,310 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 437 448) no Hoare annotation was computed. [2020-07-20 16:24:15,310 INFO L268 CegarLoopResult]: For program point L441-1(lines 437 448) no Hoare annotation was computed. [2020-07-20 16:24:15,310 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 437 448) the Hoare annotation is: (let ((.cse11 (not (<= 1 ~pumpRunning~0))) (.cse7 (not (= 0 |old(~waterLevel~0)|))) (.cse8 (= 0 ~waterLevel~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (<= ~waterLevel~0 1)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse3 .cse4) (or .cse0 .cse2 .cse6 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse3 .cse7 .cse8) (or .cse9 .cse0 .cse5 .cse6 .cse10 .cse11) (or .cse0 .cse1 .cse2 .cse3 .cse7 .cse8) (or .cse9 .cse0 .cse5 .cse1 .cse10 .cse3) (or .cse0 .cse5 .cse6 .cse11 .cse4) (or .cse0 .cse2 .cse6 .cse3 .cse7 .cse8) (or .cse9 .cse0 .cse2 .cse6 .cse10 .cse3) (or .cse5 .cse1 .cse11 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse7 .cse8) (or .cse0 .cse5 .cse6 .cse11 .cse7 .cse8) (or .cse9 .cse0 .cse1 .cse2 .cse10 .cse3) (or .cse9 .cse0 .cse5 .cse6 .cse10 .cse3) (or .cse0 .cse5 .cse1 .cse3 .cse4))) [2020-07-20 16:24:15,310 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2020-07-20 16:24:15,310 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-07-20 16:24:15,310 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2020-07-20 16:24:15,311 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2020-07-20 16:24:15,311 INFO L268 CegarLoopResult]: For program point L641(lines 641 649) no Hoare annotation was computed. [2020-07-20 16:24:15,311 INFO L264 CegarLoopResult]: At program point L639(line 639) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (not (<= 1 ~waterLevel~0)) .cse1 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4))) [2020-07-20 16:24:15,311 INFO L268 CegarLoopResult]: For program point L639-1(line 639) no Hoare annotation was computed. [2020-07-20 16:24:15,311 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 633 657) no Hoare annotation was computed. [2020-07-20 16:24:15,311 INFO L268 CegarLoopResult]: For program point L637(lines 637 654) no Hoare annotation was computed. [2020-07-20 16:24:15,311 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 633 657) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (= 0 ~pumpRunning~0))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse5 .cse6) (or .cse4 .cse0 .cse5 .cse2 .cse6))) [2020-07-20 16:24:15,312 INFO L264 CegarLoopResult]: At program point L652(line 652) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or .cse0 .cse1 .cse5 .cse4) (or (not (<= 1 ~waterLevel~0)) .cse1 .cse5 .cse4))) [2020-07-20 16:24:15,312 INFO L268 CegarLoopResult]: For program point L652-1(lines 633 657) no Hoare annotation was computed. [2020-07-20 16:24:15,312 INFO L264 CegarLoopResult]: At program point L647(line 647) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (not (<= 1 ~waterLevel~0)) .cse1 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4))) [2020-07-20 16:24:15,312 INFO L264 CegarLoopResult]: At program point L643(line 643) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (not (<= 1 ~waterLevel~0)) .cse1 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4))) [2020-07-20 16:24:15,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:24:15 BoogieIcfgContainer [2020-07-20 16:24:15,333 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:24:15,334 INFO L168 Benchmark]: Toolchain (without parser) took 35558.57 ms. Allocated memory was 146.3 MB in the beginning and 585.1 MB in the end (delta: 438.8 MB). Free memory was 102.7 MB in the beginning and 328.7 MB in the end (delta: -225.9 MB). Peak memory consumption was 460.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:15,335 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:24:15,336 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.16 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 102.3 MB in the beginning and 172.7 MB in the end (delta: -70.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:15,336 INFO L168 Benchmark]: Boogie Preprocessor took 108.10 ms. Allocated memory is still 205.0 MB. Free memory was 172.7 MB in the beginning and 168.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:15,337 INFO L168 Benchmark]: RCFGBuilder took 3298.37 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 168.7 MB in the beginning and 188.9 MB in the end (delta: -20.1 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:15,337 INFO L168 Benchmark]: TraceAbstraction took 31456.34 ms. Allocated memory was 234.9 MB in the beginning and 585.1 MB in the end (delta: 350.2 MB). Free memory was 188.9 MB in the beginning and 328.7 MB in the end (delta: -139.8 MB). Peak memory consumption was 458.2 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:15,340 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 690.16 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 102.3 MB in the beginning and 172.7 MB in the end (delta: -70.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.10 ms. Allocated memory is still 205.0 MB. Free memory was 172.7 MB in the beginning and 168.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3298.37 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 168.7 MB in the beginning and 188.9 MB in the end (delta: -20.1 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31456.34 ms. Allocated memory was 234.9 MB in the beginning and 585.1 MB in the end (delta: 350.2 MB). Free memory was 188.9 MB in the beginning and 328.7 MB in the end (delta: -139.8 MB). Peak memory consumption was 458.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((((((((((!(\old(waterLevel) <= 1) || ((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == systemActive) && 0 == pumpRunning) && splverifierCounter <= 0)) || ((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == systemActive) && 0 == pumpRunning) && splverifierCounter <= 0)) || ((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || ((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && 1 <= methaneLevelCritical) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 260 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.9s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2791 SDtfs, 1504 SDslu, 4285 SDs, 0 SdLazy, 2819 SolverSat, 602 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1518 GetRequests, 1456 SyntacticMatches, 4 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3274occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 673 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 5554 PreInvPairs, 5874 NumberOfFragments, 5589 HoareAnnotationTreeSize, 5554 FomulaSimplifications, 12050 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 72 FomulaSimplificationsInter, 33445 FormulaSimplificationTreeSizeReductionInter, 12.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1334 NumberOfCodeBlocks, 1124 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 1495 ConstructedInterpolants, 0 QuantifiedInterpolants, 340821 SizeOfPredicates, 36 NumberOfNonLiveVariables, 10020 ConjunctsInSsa, 117 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 216/225 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...