/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --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 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 00:56:16,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 00:56:16,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 00:56:16,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 00:56:16,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 00:56:16,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 00:56:16,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 00:56:16,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 00:56:16,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 00:56:16,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 00:56:16,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 00:56:16,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 00:56:16,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 00:56:16,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 00:56:16,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 00:56:16,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 00:56:16,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 00:56:16,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 00:56:16,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 00:56:16,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 00:56:16,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 00:56:16,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 00:56:16,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 00:56:16,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 00:56:16,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 00:56:16,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 00:56:16,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 00:56:16,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 00:56:16,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 00:56:16,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 00:56:16,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 00:56:16,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 00:56:16,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 00:56:16,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 00:56:16,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 00:56:16,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 00:56:16,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 00:56:16,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 00:56:16,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 00:56:16,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 00:56:16,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 00:56:16,499 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 00:56:16,536 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 00:56:16,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 00:56:16,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 00:56:16,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 00:56:16,540 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 00:56:16,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 00:56:16,540 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 00:56:16,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 00:56:16,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 00:56:16,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 00:56:16,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 00:56:16,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 00:56:16,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 00:56:16,541 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 00:56:16,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 00:56:16,542 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 00:56:16,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 00:56:16,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 00:56:16,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 00:56:16,543 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 00:56:16,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 00:56:16,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 00:56:16,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 00:56:16,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 00:56:16,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 00:56:16,544 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 00:56:16,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 00:56:16,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 00:56:16,544 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 00:56:16,544 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 00:56:16,811 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 00:56:16,822 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 00:56:16,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 00:56:16,827 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 00:56:16,828 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 00:56:16,828 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c [2020-07-20 00:56:16,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3223f95f2/ff09eb130a634e9182bfef6cf66e2f5a/FLAG7f3dfe363 [2020-07-20 00:56:17,455 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 00:56:17,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c [2020-07-20 00:56:17,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3223f95f2/ff09eb130a634e9182bfef6cf66e2f5a/FLAG7f3dfe363 [2020-07-20 00:56:17,723 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3223f95f2/ff09eb130a634e9182bfef6cf66e2f5a [2020-07-20 00:56:17,732 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 00:56:17,734 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 00:56:17,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 00:56:17,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 00:56:17,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 00:56:17,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:56:17" (1/1) ... [2020-07-20 00:56:17,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a39229e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:17, skipping insertion in model container [2020-07-20 00:56:17,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:56:17" (1/1) ... [2020-07-20 00:56:17,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 00:56:17,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 00:56:18,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 00:56:18,295 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 00:56:18,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 00:56:18,425 INFO L208 MainTranslator]: Completed translation [2020-07-20 00:56:18,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:18 WrapperNode [2020-07-20 00:56:18,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 00:56:18,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 00:56:18,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 00:56:18,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 00:56:18,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:18" (1/1) ... [2020-07-20 00:56:18,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:18" (1/1) ... [2020-07-20 00:56:18,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:18" (1/1) ... [2020-07-20 00:56:18,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:18" (1/1) ... [2020-07-20 00:56:18,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:18" (1/1) ... [2020-07-20 00:56:18,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:18" (1/1) ... [2020-07-20 00:56:18,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:18" (1/1) ... [2020-07-20 00:56:18,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 00:56:18,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 00:56:18,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 00:56:18,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 00:56:18,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:18" (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 00:56:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 00:56:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 00:56:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 00:56:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 00:56:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 00:56:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 00:56:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 00:56:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 00:56:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 00:56:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 00:56:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 00:56:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 00:56:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 00:56:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 00:56:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 00:56:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 00:56:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 00:56:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 00:56:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 00:56:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 00:56:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 00:56:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 00:56:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 00:56:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 00:56:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 00:56:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 00:56:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 00:56:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 00:56:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 00:56:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 00:56:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 00:56:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 00:56:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 00:56:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 00:56:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 00:56:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 00:56:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 00:56:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 00:56:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 00:56:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 00:56:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 00:56:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 00:56:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 00:56:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 00:56:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 00:56:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 00:56:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 00:56:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 00:56:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 00:56:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 00:56:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 00:56:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 00:56:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 00:56:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 00:56:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 00:56:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 00:56:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 00:56:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 00:56:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 00:56:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 00:56:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 00:56:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 00:56:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 00:56:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 00:56:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 00:56:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 00:56:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 00:56:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 00:56:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 00:56:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 00:56:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 00:56:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 00:56:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 00:56:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 00:56:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 00:56:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 00:56:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 00:56:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 00:56:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 00:56:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 00:56:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 00:56:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 00:56:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 00:56:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 00:56:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 00:56:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 00:56:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 00:56:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 00:56:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 00:56:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 00:56:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 00:56:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 00:56:19,805 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 00:56:19,805 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 00:56:19,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:56:19 BoogieIcfgContainer [2020-07-20 00:56:19,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 00:56:19,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 00:56:19,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 00:56:19,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 00:56:19,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:56:17" (1/3) ... [2020-07-20 00:56:19,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ea8ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:56:19, skipping insertion in model container [2020-07-20 00:56:19,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:56:18" (2/3) ... [2020-07-20 00:56:19,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ea8ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:56:19, skipping insertion in model container [2020-07-20 00:56:19,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:56:19" (3/3) ... [2020-07-20 00:56:19,819 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product34.cil.c [2020-07-20 00:56:19,830 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 00:56:19,838 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 00:56:19,850 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 00:56:19,874 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 00:56:19,874 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 00:56:19,874 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 00:56:19,874 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 00:56:19,875 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 00:56:19,875 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 00:56:19,875 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 00:56:19,875 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 00:56:19,899 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2020-07-20 00:56:19,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 00:56:19,909 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:19,910 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 00:56:19,910 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:19,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:19,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1720198034, now seen corresponding path program 1 times [2020-07-20 00:56:19,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:19,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046435698] [2020-07-20 00:56:19,928 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7f3849b8 [2020-07-20 00:56:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:20,611 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:20,708 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 00:56:20,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046435698] [2020-07-20 00:56:20,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:20,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 00:56:20,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147215889] [2020-07-20 00:56:20,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 00:56:20,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:20,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 00:56:20,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 00:56:20,741 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 4 states. [2020-07-20 00:56:21,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:21,951 INFO L93 Difference]: Finished difference Result 258 states and 340 transitions. [2020-07-20 00:56:21,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 00:56:21,953 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-20 00:56:21,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:21,968 INFO L225 Difference]: With dead ends: 258 [2020-07-20 00:56:21,968 INFO L226 Difference]: Without dead ends: 145 [2020-07-20 00:56:21,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 00:56:21,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-07-20 00:56:22,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 114. [2020-07-20 00:56:22,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-20 00:56:22,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2020-07-20 00:56:22,064 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 51 [2020-07-20 00:56:22,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:22,065 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2020-07-20 00:56:22,065 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 00:56:22,065 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2020-07-20 00:56:22,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 00:56:22,068 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:22,069 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 00:56:22,069 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 00:56:22,069 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:22,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:22,070 INFO L82 PathProgramCache]: Analyzing trace with hash 220132220, now seen corresponding path program 1 times [2020-07-20 00:56:22,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:22,071 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924304678] [2020-07-20 00:56:22,071 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7f3849b8 [2020-07-20 00:56:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:22,410 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:22,492 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 00:56:22,492 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924304678] [2020-07-20 00:56:22,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:22,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 00:56:22,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576505224] [2020-07-20 00:56:22,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 00:56:22,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:22,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 00:56:22,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 00:56:22,496 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 5 states. [2020-07-20 00:56:22,996 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:56:23,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:23,808 INFO L93 Difference]: Finished difference Result 199 states and 247 transitions. [2020-07-20 00:56:23,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 00:56:23,815 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-20 00:56:23,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:23,820 INFO L225 Difference]: With dead ends: 199 [2020-07-20 00:56:23,820 INFO L226 Difference]: Without dead ends: 135 [2020-07-20 00:56:23,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 00:56:23,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-07-20 00:56:23,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 105. [2020-07-20 00:56:23,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-07-20 00:56:23,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2020-07-20 00:56:23,861 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 52 [2020-07-20 00:56:23,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:23,862 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2020-07-20 00:56:23,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 00:56:23,862 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2020-07-20 00:56:23,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 00:56:23,864 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:23,865 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 00:56:23,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 00:56:23,865 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:23,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:23,865 INFO L82 PathProgramCache]: Analyzing trace with hash 889380391, now seen corresponding path program 1 times [2020-07-20 00:56:23,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:23,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465558129] [2020-07-20 00:56:23,866 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7f3849b8 [2020-07-20 00:56:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:24,204 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:24,356 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 00:56:24,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465558129] [2020-07-20 00:56:24,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:24,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 00:56:24,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834053620] [2020-07-20 00:56:24,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 00:56:24,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:24,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 00:56:24,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 00:56:24,359 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 9 states. [2020-07-20 00:56:24,796 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:25,122 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 00:56:25,405 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:25,648 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:26,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:26,787 INFO L93 Difference]: Finished difference Result 212 states and 266 transitions. [2020-07-20 00:56:26,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 00:56:26,788 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-07-20 00:56:26,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:26,790 INFO L225 Difference]: With dead ends: 212 [2020-07-20 00:56:26,790 INFO L226 Difference]: Without dead ends: 135 [2020-07-20 00:56:26,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-20 00:56:26,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-07-20 00:56:26,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 105. [2020-07-20 00:56:26,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-07-20 00:56:26,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 120 transitions. [2020-07-20 00:56:26,825 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 120 transitions. Word has length 57 [2020-07-20 00:56:26,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:26,826 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 120 transitions. [2020-07-20 00:56:26,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 00:56:26,826 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 120 transitions. [2020-07-20 00:56:26,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 00:56:26,828 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:26,828 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] [2020-07-20 00:56:26,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 00:56:26,829 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:26,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:26,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1390934310, now seen corresponding path program 1 times [2020-07-20 00:56:26,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:26,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985530547] [2020-07-20 00:56:26,830 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7f3849b8 [2020-07-20 00:56:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:27,172 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:27,255 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 00:56:27,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985530547] [2020-07-20 00:56:27,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:27,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 00:56:27,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726019117] [2020-07-20 00:56:27,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 00:56:27,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:27,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 00:56:27,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 00:56:27,258 INFO L87 Difference]: Start difference. First operand 105 states and 120 transitions. Second operand 7 states. [2020-07-20 00:56:27,669 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:28,835 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:56:29,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:29,354 INFO L93 Difference]: Finished difference Result 302 states and 382 transitions. [2020-07-20 00:56:29,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 00:56:29,355 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2020-07-20 00:56:29,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:29,360 INFO L225 Difference]: With dead ends: 302 [2020-07-20 00:56:29,360 INFO L226 Difference]: Without dead ends: 225 [2020-07-20 00:56:29,361 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-07-20 00:56:29,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-07-20 00:56:29,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 176. [2020-07-20 00:56:29,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-07-20 00:56:29,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 203 transitions. [2020-07-20 00:56:29,404 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 203 transitions. Word has length 65 [2020-07-20 00:56:29,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:29,405 INFO L479 AbstractCegarLoop]: Abstraction has 176 states and 203 transitions. [2020-07-20 00:56:29,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 00:56:29,405 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 203 transitions. [2020-07-20 00:56:29,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-20 00:56:29,407 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:29,407 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] [2020-07-20 00:56:29,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 00:56:29,408 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:29,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:29,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1075030192, now seen corresponding path program 1 times [2020-07-20 00:56:29,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:29,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499074465] [2020-07-20 00:56:29,409 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7f3849b8 [2020-07-20 00:56:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:29,672 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:29,810 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 00:56:29,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499074465] [2020-07-20 00:56:29,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:29,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-20 00:56:29,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120365560] [2020-07-20 00:56:29,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 00:56:29,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:29,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 00:56:29,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-20 00:56:29,813 INFO L87 Difference]: Start difference. First operand 176 states and 203 transitions. Second operand 11 states. [2020-07-20 00:56:30,399 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:30,656 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:56:30,888 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:56:31,595 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:56:31,855 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:56:32,099 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:56:32,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:32,846 INFO L93 Difference]: Finished difference Result 374 states and 471 transitions. [2020-07-20 00:56:32,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 00:56:32,847 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 79 [2020-07-20 00:56:32,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:32,850 INFO L225 Difference]: With dead ends: 374 [2020-07-20 00:56:32,850 INFO L226 Difference]: Without dead ends: 226 [2020-07-20 00:56:32,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-20 00:56:32,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-07-20 00:56:32,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 180. [2020-07-20 00:56:32,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-07-20 00:56:32,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 207 transitions. [2020-07-20 00:56:32,907 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 207 transitions. Word has length 79 [2020-07-20 00:56:32,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:32,908 INFO L479 AbstractCegarLoop]: Abstraction has 180 states and 207 transitions. [2020-07-20 00:56:32,908 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 00:56:32,908 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 207 transitions. [2020-07-20 00:56:32,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-20 00:56:32,910 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:32,910 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] [2020-07-20 00:56:32,911 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 00:56:32,911 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:32,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:32,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1584503282, now seen corresponding path program 1 times [2020-07-20 00:56:32,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:32,912 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127413537] [2020-07-20 00:56:32,912 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7f3849b8 [2020-07-20 00:56:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:33,238 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:33,341 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 00:56:33,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127413537] [2020-07-20 00:56:33,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:33,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 00:56:33,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068701497] [2020-07-20 00:56:33,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 00:56:33,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:33,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 00:56:33,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 00:56:33,348 INFO L87 Difference]: Start difference. First operand 180 states and 207 transitions. Second operand 9 states. [2020-07-20 00:56:33,786 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:34,900 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:35,175 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:35,406 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:35,632 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:36,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:36,513 INFO L93 Difference]: Finished difference Result 536 states and 682 transitions. [2020-07-20 00:56:36,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 00:56:36,513 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2020-07-20 00:56:36,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:36,518 INFO L225 Difference]: With dead ends: 536 [2020-07-20 00:56:36,518 INFO L226 Difference]: Without dead ends: 384 [2020-07-20 00:56:36,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-20 00:56:36,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2020-07-20 00:56:36,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 308. [2020-07-20 00:56:36,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-07-20 00:56:36,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 354 transitions. [2020-07-20 00:56:36,579 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 354 transitions. Word has length 79 [2020-07-20 00:56:36,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:36,580 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 354 transitions. [2020-07-20 00:56:36,580 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 00:56:36,580 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 354 transitions. [2020-07-20 00:56:36,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-20 00:56:36,582 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:36,582 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:56:36,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 00:56:36,583 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:36,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:36,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1898506966, now seen corresponding path program 1 times [2020-07-20 00:56:36,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:36,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240567413] [2020-07-20 00:56:36,584 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7f3849b8 [2020-07-20 00:56:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,851 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:36,993 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 00:56:36,994 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240567413] [2020-07-20 00:56:36,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:36,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 00:56:36,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7793731] [2020-07-20 00:56:36,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 00:56:36,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:36,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 00:56:37,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-20 00:56:37,000 INFO L87 Difference]: Start difference. First operand 308 states and 354 transitions. Second operand 10 states. [2020-07-20 00:56:37,385 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:38,529 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:38,768 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:39,013 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:39,289 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:56:40,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:40,012 INFO L93 Difference]: Finished difference Result 702 states and 877 transitions. [2020-07-20 00:56:40,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-20 00:56:40,013 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2020-07-20 00:56:40,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:40,017 INFO L225 Difference]: With dead ends: 702 [2020-07-20 00:56:40,017 INFO L226 Difference]: Without dead ends: 422 [2020-07-20 00:56:40,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2020-07-20 00:56:40,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-07-20 00:56:40,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 307. [2020-07-20 00:56:40,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-07-20 00:56:40,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 351 transitions. [2020-07-20 00:56:40,087 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 351 transitions. Word has length 83 [2020-07-20 00:56:40,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:40,088 INFO L479 AbstractCegarLoop]: Abstraction has 307 states and 351 transitions. [2020-07-20 00:56:40,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 00:56:40,088 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 351 transitions. [2020-07-20 00:56:40,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-20 00:56:40,089 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:40,089 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:56:40,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-20 00:56:40,090 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:40,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:40,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1613023294, now seen corresponding path program 1 times [2020-07-20 00:56:40,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:40,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943332887] [2020-07-20 00:56:40,091 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7f3849b8 [2020-07-20 00:56:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,330 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:40,446 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 00:56:40,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943332887] [2020-07-20 00:56:40,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:40,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 00:56:40,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182089715] [2020-07-20 00:56:40,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 00:56:40,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:40,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 00:56:40,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-20 00:56:40,451 INFO L87 Difference]: Start difference. First operand 307 states and 351 transitions. Second operand 10 states. [2020-07-20 00:56:41,710 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:56:41,965 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 00:56:42,222 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:56:42,473 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:56:43,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:43,231 INFO L93 Difference]: Finished difference Result 705 states and 887 transitions. [2020-07-20 00:56:43,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 00:56:43,233 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2020-07-20 00:56:43,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:43,239 INFO L225 Difference]: With dead ends: 705 [2020-07-20 00:56:43,239 INFO L226 Difference]: Without dead ends: 426 [2020-07-20 00:56:43,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-20 00:56:43,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2020-07-20 00:56:43,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 317. [2020-07-20 00:56:43,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-07-20 00:56:43,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 361 transitions. [2020-07-20 00:56:43,321 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 361 transitions. Word has length 84 [2020-07-20 00:56:43,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:43,322 INFO L479 AbstractCegarLoop]: Abstraction has 317 states and 361 transitions. [2020-07-20 00:56:43,322 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 00:56:43,322 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 361 transitions. [2020-07-20 00:56:43,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-20 00:56:43,323 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:43,324 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:56:43,324 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-20 00:56:43,324 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:43,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:43,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1884470469, now seen corresponding path program 1 times [2020-07-20 00:56:43,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:43,325 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985472817] [2020-07-20 00:56:43,325 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7f3849b8 [2020-07-20 00:56:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,671 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:43,848 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 00:56:43,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985472817] [2020-07-20 00:56:43,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:43,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 00:56:43,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986966441] [2020-07-20 00:56:43,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:56:43,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:43,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:56:43,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 00:56:43,852 INFO L87 Difference]: Start difference. First operand 317 states and 361 transitions. Second operand 8 states. [2020-07-20 00:56:44,711 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:45,249 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:47,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:47,553 INFO L93 Difference]: Finished difference Result 1041 states and 1366 transitions. [2020-07-20 00:56:47,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-20 00:56:47,553 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-07-20 00:56:47,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:47,560 INFO L225 Difference]: With dead ends: 1041 [2020-07-20 00:56:47,560 INFO L226 Difference]: Without dead ends: 752 [2020-07-20 00:56:47,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=137, Invalid=369, Unknown=0, NotChecked=0, Total=506 [2020-07-20 00:56:47,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2020-07-20 00:56:47,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 607. [2020-07-20 00:56:47,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2020-07-20 00:56:47,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 713 transitions. [2020-07-20 00:56:47,731 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 713 transitions. Word has length 84 [2020-07-20 00:56:47,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:47,735 INFO L479 AbstractCegarLoop]: Abstraction has 607 states and 713 transitions. [2020-07-20 00:56:47,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:56:47,736 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 713 transitions. [2020-07-20 00:56:47,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-20 00:56:47,742 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:47,742 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] [2020-07-20 00:56:47,742 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-20 00:56:47,742 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:47,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:47,743 INFO L82 PathProgramCache]: Analyzing trace with hash 713728159, now seen corresponding path program 1 times [2020-07-20 00:56:47,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:47,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875079161] [2020-07-20 00:56:47,744 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7f3849b8 [2020-07-20 00:56:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:48,007 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:56:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:56:48,127 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 00:56:48,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875079161] [2020-07-20 00:56:48,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:56:48,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 00:56:48,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857534914] [2020-07-20 00:56:48,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:56:48,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:56:48,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:56:48,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 00:56:48,129 INFO L87 Difference]: Start difference. First operand 607 states and 713 transitions. Second operand 8 states. [2020-07-20 00:56:48,629 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 00:56:50,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:56:50,803 INFO L93 Difference]: Finished difference Result 1199 states and 1564 transitions. [2020-07-20 00:56:50,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-20 00:56:50,804 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2020-07-20 00:56:50,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:56:50,813 INFO L225 Difference]: With dead ends: 1199 [2020-07-20 00:56:50,813 INFO L226 Difference]: Without dead ends: 1196 [2020-07-20 00:56:50,814 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=187, Invalid=463, Unknown=0, NotChecked=0, Total=650 [2020-07-20 00:56:50,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2020-07-20 00:56:50,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 975. [2020-07-20 00:56:50,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 975 states. [2020-07-20 00:56:50,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1154 transitions. [2020-07-20 00:56:50,984 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1154 transitions. Word has length 88 [2020-07-20 00:56:50,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:56:50,985 INFO L479 AbstractCegarLoop]: Abstraction has 975 states and 1154 transitions. [2020-07-20 00:56:50,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:56:50,985 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1154 transitions. [2020-07-20 00:56:50,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-07-20 00:56:50,989 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:56:50,989 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:56:50,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-20 00:56:50,990 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:56:50,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:56:50,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1128183326, now seen corresponding path program 1 times [2020-07-20 00:56:50,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:56:50,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296898644] [2020-07-20 00:56:50,991 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7f3849b8 [2020-07-20 00:56:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 00:56:51,048 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 00:56:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 00:56:51,100 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 00:56:51,241 INFO L174 FreeRefinementEngine]: Strategy CAMEL_SMT_AM found a feasible trace [2020-07-20 00:56:51,242 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 00:56:51,242 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-20 00:56:51,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 12:56:51 BoogieIcfgContainer [2020-07-20 00:56:51,460 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 00:56:51,465 INFO L168 Benchmark]: Toolchain (without parser) took 33728.89 ms. Allocated memory was 138.9 MB in the beginning and 638.1 MB in the end (delta: 499.1 MB). Free memory was 102.7 MB in the beginning and 396.2 MB in the end (delta: -293.5 MB). Peak memory consumption was 205.6 MB. Max. memory is 7.1 GB. [2020-07-20 00:56:51,466 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 00:56:51,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.81 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 102.3 MB in the beginning and 168.4 MB in the end (delta: -66.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2020-07-20 00:56:51,472 INFO L168 Benchmark]: Boogie Preprocessor took 111.29 ms. Allocated memory is still 202.4 MB. Free memory was 168.4 MB in the beginning and 164.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-20 00:56:51,474 INFO L168 Benchmark]: RCFGBuilder took 1271.56 ms. Allocated memory was 202.4 MB in the beginning and 236.5 MB in the end (delta: 34.1 MB). Free memory was 164.4 MB in the beginning and 194.4 MB in the end (delta: -30.0 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. [2020-07-20 00:56:51,475 INFO L168 Benchmark]: TraceAbstraction took 31648.60 ms. Allocated memory was 236.5 MB in the beginning and 638.1 MB in the end (delta: 401.6 MB). Free memory was 194.4 MB in the beginning and 396.2 MB in the end (delta: -201.9 MB). Peak memory consumption was 199.7 MB. Max. memory is 7.1 GB. [2020-07-20 00:56:51,483 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 691.81 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 102.3 MB in the beginning and 168.4 MB in the end (delta: -66.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.29 ms. Allocated memory is still 202.4 MB. Free memory was 168.4 MB in the beginning and 164.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1271.56 ms. Allocated memory was 202.4 MB in the beginning and 236.5 MB in the end (delta: 34.1 MB). Free memory was 164.4 MB in the beginning and 194.4 MB in the end (delta: -30.0 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31648.60 ms. Allocated memory was 236.5 MB in the beginning and 638.1 MB in the end (delta: 401.6 MB). Free memory was 194.4 MB in the beginning and 396.2 MB in the end (delta: -201.9 MB). Peak memory consumption was 199.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 249]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L151] int waterLevel = 1; [L152] int methaneLevelCritical = 0; [L255] int methAndRunningLastTime ; [L498] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L765] int pumpRunning = 0; [L766] int systemActive = 1; VAL [\old(cleanupTimeShifts)=176, \old(head)=177, \old(head)=165, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=143, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] int retValue_acc ; [L124] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L129] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L320] int retValue_acc ; [L323] retValue_acc = 1 [L324] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L130] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L134] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L135] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L113] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L260] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L113] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L114] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L697] int splverifierCounter ; [L698] int tmp ; [L699] int tmp___0 ; [L700] int tmp___1 ; [L701] int tmp___2 ; [L704] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L706] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L708] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L714] tmp = __VERIFIER_nondet_int() [L716] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L718] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L169] COND TRUE waterLevel < 2 [L170] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L718] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L724] tmp___0 = __VERIFIER_nondet_int() [L726] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=-2, waterLevel=2] [L728] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L181] COND FALSE !(\read(methaneLevelCritical)) [L184] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L728] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=-2, waterLevel=2] [L734] tmp___2 = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp___2)) [L742] tmp___1 = __VERIFIER_nondet_int() [L744] COND TRUE \read(tmp___1) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=-2, tmp___1=1, tmp___2=0, waterLevel=2] [L751] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L772] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L779] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L781] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L801] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L804] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L806] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L898] int retValue_acc ; [L899] int tmp ; [L900] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L904] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L231] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L234] COND FALSE !(waterLevel < 2) [L238] retValue_acc = 0 [L239] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L904] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L904] tmp = isHighWaterSensorDry() [L906] COND FALSE !(\read(tmp)) [L909] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L911] retValue_acc = tmp___0 [L912] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L806] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L806] tmp = isHighWaterLevel() [L808] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L810] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L829] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L810] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L781] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L787] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L265] int tmp ; [L266] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L270] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L190] int retValue_acc ; [L193] retValue_acc = methaneLevelCritical [L194] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L270] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L270] tmp = isMethaneLevelCritical() [L272] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L274] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L853] int retValue_acc ; [L856] retValue_acc = pumpRunning [L857] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L274] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L274] tmp___0 = isPumpRunning() [L276] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L277] COND FALSE !(\read(methAndRunningLastTime)) [L282] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L787] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L751] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=-2, tmp___1=1, tmp___2=0, waterLevel=2] [L706] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=-2, tmp___1=1, tmp___2=0, waterLevel=2] [L708] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=-2, tmp___1=1, tmp___2=0, waterLevel=2] [L714] tmp = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-2, tmp___1=1, tmp___2=0, waterLevel=2] [L724] tmp___0 = __VERIFIER_nondet_int() [L726] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L734] tmp___2 = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp___2)) [L742] tmp___1 = __VERIFIER_nondet_int() [L744] COND TRUE \read(tmp___1) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L751] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L772] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L774] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L157] COND TRUE waterLevel > 0 [L158] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L774] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L779] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L781] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L801] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L804] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L819] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L781] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L787] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L265] int tmp ; [L266] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L270] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L190] int retValue_acc ; [L193] retValue_acc = methaneLevelCritical [L194] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L270] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L270] tmp = isMethaneLevelCritical() [L272] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L274] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L853] int retValue_acc ; [L856] retValue_acc = pumpRunning [L857] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L274] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L274] tmp___0 = isPumpRunning() [L276] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L277] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L279] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L249] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 224 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 31.3s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 25.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1016 SDtfs, 2600 SDslu, 1176 SDs, 0 SdLazy, 5134 SolverSat, 1906 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 411 GetRequests, 259 SyntacticMatches, 2 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 556 ImplicationChecksByTransitivity, 10.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=975occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 852 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 853 NumberOfCodeBlocks, 853 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 712 ConstructedInterpolants, 0 QuantifiedInterpolants, 224522 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...