/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.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 20:36:43,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 20:36:43,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 20:36:44,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 20:36:44,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 20:36:44,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 20:36:44,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 20:36:44,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 20:36:44,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 20:36:44,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 20:36:44,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 20:36:44,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 20:36:44,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 20:36:44,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 20:36:44,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 20:36:44,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 20:36:44,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 20:36:44,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 20:36:44,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 20:36:44,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 20:36:44,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 20:36:44,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 20:36:44,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 20:36:44,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 20:36:44,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 20:36:44,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 20:36:44,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 20:36:44,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 20:36:44,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 20:36:44,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 20:36:44,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 20:36:44,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 20:36:44,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 20:36:44,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 20:36:44,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 20:36:44,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 20:36:44,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 20:36:44,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 20:36:44,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 20:36:44,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 20:36:44,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 20:36:44,045 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 20:36:44,056 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 20:36:44,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 20:36:44,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 20:36:44,058 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 20:36:44,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 20:36:44,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 20:36:44,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 20:36:44,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 20:36:44,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 20:36:44,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 20:36:44,060 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 20:36:44,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 20:36:44,060 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 20:36:44,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 20:36:44,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 20:36:44,061 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 20:36:44,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 20:36:44,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 20:36:44,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 20:36:44,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 20:36:44,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 20:36:44,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 20:36:44,062 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-09-04 20:36:44,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 20:36:44,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 20:36:44,546 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 20:36:44,548 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 20:36:44,549 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 20:36:44,550 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c [2020-09-04 20:36:44,637 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d91df1e8/dbbfc636e32c4488aee7def1d3b7ef8b/FLAGd0f04dfee [2020-09-04 20:36:45,214 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 20:36:45,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c [2020-09-04 20:36:45,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d91df1e8/dbbfc636e32c4488aee7def1d3b7ef8b/FLAGd0f04dfee [2020-09-04 20:36:45,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d91df1e8/dbbfc636e32c4488aee7def1d3b7ef8b [2020-09-04 20:36:45,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 20:36:45,530 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 20:36:45,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 20:36:45,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 20:36:45,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 20:36:45,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:36:45" (1/1) ... [2020-09-04 20:36:45,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b2f3aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:36:45, skipping insertion in model container [2020-09-04 20:36:45,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:36:45" (1/1) ... [2020-09-04 20:36:45,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 20:36:45,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 20:36:45,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:36:45,985 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 20:36:46,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:36:46,219 INFO L208 MainTranslator]: Completed translation [2020-09-04 20:36:46,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:36:46 WrapperNode [2020-09-04 20:36:46,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 20:36:46,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 20:36:46,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 20:36:46,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 20:36:46,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:36:46" (1/1) ... [2020-09-04 20:36:46,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:36:46" (1/1) ... [2020-09-04 20:36:46,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:36:46" (1/1) ... [2020-09-04 20:36:46,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:36:46" (1/1) ... [2020-09-04 20:36:46,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:36:46" (1/1) ... [2020-09-04 20:36:46,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:36:46" (1/1) ... [2020-09-04 20:36:46,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:36:46" (1/1) ... [2020-09-04 20:36:46,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 20:36:46,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 20:36:46,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 20:36:46,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 20:36:46,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:36:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 20:36:46,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 20:36:46,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 20:36:46,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 20:36:46,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 20:36:46,401 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 20:36:46,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 20:36:46,401 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 20:36:46,402 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 20:36:46,402 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 20:36:46,402 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 20:36:46,402 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 20:36:46,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 20:36:46,403 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 20:36:46,403 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 20:36:46,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 20:36:46,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 20:36:46,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-04 20:36:46,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-04 20:36:46,404 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 20:36:46,404 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 20:36:46,404 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 20:36:46,404 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 20:36:46,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 20:36:46,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 20:36:46,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 20:36:46,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 20:36:46,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 20:36:46,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 20:36:46,406 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 20:36:46,406 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 20:36:46,406 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 20:36:46,406 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 20:36:46,406 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 20:36:46,407 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 20:36:46,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 20:36:46,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 20:36:46,407 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 20:36:46,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 20:36:46,407 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-04 20:36:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 20:36:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 20:36:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 20:36:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 20:36:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 20:36:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 20:36:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 20:36:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 20:36:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 20:36:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 20:36:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-04 20:36:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 20:36:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 20:36:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 20:36:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 20:36:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 20:36:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 20:36:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 20:36:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 20:36:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 20:36:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 20:36:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 20:36:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 20:36:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 20:36:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 20:36:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-04 20:36:46,412 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 20:36:46,412 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 20:36:46,412 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 20:36:46,412 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 20:36:46,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 20:36:46,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 20:36:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 20:36:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 20:36:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 20:36:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 20:36:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 20:36:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 20:36:46,414 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 20:36:46,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 20:36:46,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 20:36:46,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 20:36:46,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 20:36:46,414 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-04 20:36:46,414 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 20:36:46,415 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 20:36:46,415 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 20:36:46,415 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 20:36:46,415 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 20:36:46,415 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 20:36:46,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 20:36:46,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 20:36:46,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 20:36:47,518 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 20:36:47,519 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 20:36:47,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:36:47 BoogieIcfgContainer [2020-09-04 20:36:47,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 20:36:47,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 20:36:47,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 20:36:47,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 20:36:47,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 08:36:45" (1/3) ... [2020-09-04 20:36:47,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a60525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:36:47, skipping insertion in model container [2020-09-04 20:36:47,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:36:46" (2/3) ... [2020-09-04 20:36:47,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a60525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:36:47, skipping insertion in model container [2020-09-04 20:36:47,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:36:47" (3/3) ... [2020-09-04 20:36:47,536 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product34.cil.c [2020-09-04 20:36:47,547 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 20:36:47,558 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 20:36:47,581 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 20:36:47,610 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 20:36:47,611 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 20:36:47,611 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 20:36:47,611 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 20:36:47,611 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 20:36:47,611 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 20:36:47,612 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 20:36:47,612 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 20:36:47,635 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states. [2020-09-04 20:36:47,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-04 20:36:47,658 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:36:47,660 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:36:47,660 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:36:47,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:36:47,668 INFO L82 PathProgramCache]: Analyzing trace with hash 2110285638, now seen corresponding path program 1 times [2020-09-04 20:36:47,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:36:47,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1491891468] [2020-09-04 20:36:47,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:36:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:48,442 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:36:48,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:36:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:48,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:36:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:48,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:36:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:48,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:36:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:48,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:36:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:48,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:36:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:48,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:36:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:48,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 20:36:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:48,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:36:48,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1491891468] [2020-09-04 20:36:48,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:36:48,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 20:36:48,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470172007] [2020-09-04 20:36:48,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 20:36:48,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:36:48,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 20:36:48,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 20:36:48,717 INFO L87 Difference]: Start difference. First operand 297 states. Second operand 4 states. [2020-09-04 20:36:49,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:36:49,950 INFO L93 Difference]: Finished difference Result 442 states and 524 transitions. [2020-09-04 20:36:49,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 20:36:49,952 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-04 20:36:49,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:36:49,973 INFO L225 Difference]: With dead ends: 442 [2020-09-04 20:36:49,973 INFO L226 Difference]: Without dead ends: 287 [2020-09-04 20:36:49,979 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 [2020-09-04 20:36:50,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-09-04 20:36:50,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 240. [2020-09-04 20:36:50,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-09-04 20:36:50,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 259 transitions. [2020-09-04 20:36:50,123 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 259 transitions. Word has length 148 [2020-09-04 20:36:50,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:36:50,124 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 259 transitions. [2020-09-04 20:36:50,125 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 20:36:50,125 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 259 transitions. [2020-09-04 20:36:50,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-04 20:36:50,129 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:36:50,129 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:36:50,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 20:36:50,130 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:36:50,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:36:50,131 INFO L82 PathProgramCache]: Analyzing trace with hash 16536712, now seen corresponding path program 1 times [2020-09-04 20:36:50,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:36:50,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [993649474] [2020-09-04 20:36:50,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:36:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:50,512 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:36:50,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:36:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:50,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:36:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:50,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:36:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:50,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:36:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:50,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:36:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:50,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:36:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:50,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-04 20:36:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:50,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-04 20:36:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:50,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:36:50,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [993649474] [2020-09-04 20:36:50,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:36:50,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 20:36:50,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931694153] [2020-09-04 20:36:50,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 20:36:50,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:36:50,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 20:36:50,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 20:36:50,639 INFO L87 Difference]: Start difference. First operand 240 states and 259 transitions. Second operand 5 states. [2020-09-04 20:36:51,230 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:36:52,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:36:52,139 INFO L93 Difference]: Finished difference Result 367 states and 415 transitions. [2020-09-04 20:36:52,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 20:36:52,140 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-04 20:36:52,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:36:52,145 INFO L225 Difference]: With dead ends: 367 [2020-09-04 20:36:52,145 INFO L226 Difference]: Without dead ends: 276 [2020-09-04 20:36:52,147 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 [2020-09-04 20:36:52,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-09-04 20:36:52,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 230. [2020-09-04 20:36:52,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-09-04 20:36:52,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 246 transitions. [2020-09-04 20:36:52,211 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 246 transitions. Word has length 149 [2020-09-04 20:36:52,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:36:52,211 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 246 transitions. [2020-09-04 20:36:52,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 20:36:52,212 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 246 transitions. [2020-09-04 20:36:52,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-04 20:36:52,214 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:36:52,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:36:52,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 20:36:52,215 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:36:52,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:36:52,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1541802730, now seen corresponding path program 1 times [2020-09-04 20:36:52,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:36:52,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1529314371] [2020-09-04 20:36:52,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:36:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:52,750 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:36:52,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:36:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:52,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:36:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:52,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:36:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:52,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:36:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:52,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:36:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:52,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:36:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:52,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 20:36:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:52,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 20:36:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:52,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 20:36:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:52,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:36:52,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1529314371] [2020-09-04 20:36:52,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:36:52,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 20:36:52,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080361309] [2020-09-04 20:36:52,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 20:36:52,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:36:52,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 20:36:52,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 20:36:52,978 INFO L87 Difference]: Start difference. First operand 230 states and 246 transitions. Second operand 11 states. [2020-09-04 20:36:53,712 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:36:54,062 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:36:54,378 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 20:36:54,691 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:36:55,022 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:36:55,350 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:36:56,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:36:56,899 INFO L93 Difference]: Finished difference Result 414 states and 480 transitions. [2020-09-04 20:36:56,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 20:36:56,900 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 162 [2020-09-04 20:36:56,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:36:56,904 INFO L225 Difference]: With dead ends: 414 [2020-09-04 20:36:56,904 INFO L226 Difference]: Without dead ends: 299 [2020-09-04 20:36:56,906 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-09-04 20:36:56,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-09-04 20:36:56,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 230. [2020-09-04 20:36:56,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-09-04 20:36:56,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 245 transitions. [2020-09-04 20:36:56,975 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 245 transitions. Word has length 162 [2020-09-04 20:36:56,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:36:56,976 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 245 transitions. [2020-09-04 20:36:56,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 20:36:56,976 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 245 transitions. [2020-09-04 20:36:56,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-04 20:36:56,979 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:36:56,979 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:36:56,980 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 20:36:56,980 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:36:56,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:36:56,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1425032231, now seen corresponding path program 1 times [2020-09-04 20:36:56,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:36:56,981 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398338545] [2020-09-04 20:36:56,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:36:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:57,370 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:36:57,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:36:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:57,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:36:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:57,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:36:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:57,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:36:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:57,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:36:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:57,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:36:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:57,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 20:36:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:57,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-04 20:36:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:57,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:36:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:57,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 20:36:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:57,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-04 20:36:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:36:57,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:36:57,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398338545] [2020-09-04 20:36:57,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:36:57,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 20:36:57,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465047078] [2020-09-04 20:36:57,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 20:36:57,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:36:57,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 20:36:57,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 20:36:57,545 INFO L87 Difference]: Start difference. First operand 230 states and 245 transitions. Second operand 8 states. [2020-09-04 20:36:58,142 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:36:59,923 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:00,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:00,721 INFO L93 Difference]: Finished difference Result 593 states and 710 transitions. [2020-09-04 20:37:00,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-04 20:37:00,721 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 170 [2020-09-04 20:37:00,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:00,726 INFO L225 Difference]: With dead ends: 593 [2020-09-04 20:37:00,726 INFO L226 Difference]: Without dead ends: 478 [2020-09-04 20:37:00,735 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-09-04 20:37:00,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2020-09-04 20:37:00,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 337. [2020-09-04 20:37:00,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-09-04 20:37:00,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 364 transitions. [2020-09-04 20:37:00,843 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 364 transitions. Word has length 170 [2020-09-04 20:37:00,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:00,843 INFO L479 AbstractCegarLoop]: Abstraction has 337 states and 364 transitions. [2020-09-04 20:37:00,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 20:37:00,844 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 364 transitions. [2020-09-04 20:37:00,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-04 20:37:00,846 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:00,846 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:37:00,847 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 20:37:00,847 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:00,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:00,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1572233247, now seen corresponding path program 1 times [2020-09-04 20:37:00,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:00,848 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398823929] [2020-09-04 20:37:00,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:01,219 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:01,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:01,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:01,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:01,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:01,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:01,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:01,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 20:37:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:01,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-04 20:37:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:01,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:37:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:01,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:37:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:01,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:37:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:01,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-04 20:37:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:01,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-04 20:37:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:01,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:01,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398823929] [2020-09-04 20:37:01,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:01,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 20:37:01,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982959603] [2020-09-04 20:37:01,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 20:37:01,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:01,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 20:37:01,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 20:37:01,482 INFO L87 Difference]: Start difference. First operand 337 states and 364 transitions. Second operand 11 states. [2020-09-04 20:37:02,054 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:03,666 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:03,987 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:37:04,325 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:04,622 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:04,930 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:37:05,227 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:05,531 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:05,973 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:07,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:07,532 INFO L93 Difference]: Finished difference Result 984 states and 1211 transitions. [2020-09-04 20:37:07,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-04 20:37:07,533 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 194 [2020-09-04 20:37:07,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:07,539 INFO L225 Difference]: With dead ends: 984 [2020-09-04 20:37:07,539 INFO L226 Difference]: Without dead ends: 762 [2020-09-04 20:37:07,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=270, Invalid=722, Unknown=0, NotChecked=0, Total=992 [2020-09-04 20:37:07,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2020-09-04 20:37:07,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 513. [2020-09-04 20:37:07,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2020-09-04 20:37:07,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 559 transitions. [2020-09-04 20:37:07,733 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 559 transitions. Word has length 194 [2020-09-04 20:37:07,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:07,734 INFO L479 AbstractCegarLoop]: Abstraction has 513 states and 559 transitions. [2020-09-04 20:37:07,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 20:37:07,734 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 559 transitions. [2020-09-04 20:37:07,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-04 20:37:07,738 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:07,738 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:37:07,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 20:37:07,739 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:07,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:07,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1795239893, now seen corresponding path program 1 times [2020-09-04 20:37:07,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:07,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1692474668] [2020-09-04 20:37:07,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:08,092 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:08,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:08,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:08,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:08,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:08,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:08,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:08,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:37:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:08,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 20:37:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:08,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-04 20:37:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:08,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:37:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:08,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:37:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:08,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:37:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:08,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-04 20:37:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:08,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-04 20:37:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:08,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:08,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1692474668] [2020-09-04 20:37:08,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:08,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-04 20:37:08,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648906052] [2020-09-04 20:37:08,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-04 20:37:08,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:08,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-04 20:37:08,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-04 20:37:08,309 INFO L87 Difference]: Start difference. First operand 513 states and 559 transitions. Second operand 12 states. [2020-09-04 20:37:08,911 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:10,737 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:11,038 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:11,338 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:37:11,642 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:12,059 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:12,426 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:37:12,737 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:13,055 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:15,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:15,035 INFO L93 Difference]: Finished difference Result 1290 states and 1569 transitions. [2020-09-04 20:37:15,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-04 20:37:15,036 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 199 [2020-09-04 20:37:15,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:15,047 INFO L225 Difference]: With dead ends: 1290 [2020-09-04 20:37:15,048 INFO L226 Difference]: Without dead ends: 892 [2020-09-04 20:37:15,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=434, Invalid=1206, Unknown=0, NotChecked=0, Total=1640 [2020-09-04 20:37:15,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2020-09-04 20:37:15,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 511. [2020-09-04 20:37:15,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2020-09-04 20:37:15,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 555 transitions. [2020-09-04 20:37:15,272 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 555 transitions. Word has length 199 [2020-09-04 20:37:15,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:15,273 INFO L479 AbstractCegarLoop]: Abstraction has 511 states and 555 transitions. [2020-09-04 20:37:15,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-04 20:37:15,274 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 555 transitions. [2020-09-04 20:37:15,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-04 20:37:15,277 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:15,277 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:37:15,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 20:37:15,277 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:15,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:15,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1512917738, now seen corresponding path program 1 times [2020-09-04 20:37:15,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:15,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2083904143] [2020-09-04 20:37:15,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,601 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:15,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:37:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 20:37:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-04 20:37:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:37:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:37:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:37:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-04 20:37:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-04 20:37:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:15,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:15,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2083904143] [2020-09-04 20:37:15,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:15,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-04 20:37:15,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281998565] [2020-09-04 20:37:15,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-04 20:37:15,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:15,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-04 20:37:15,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-04 20:37:15,801 INFO L87 Difference]: Start difference. First operand 511 states and 555 transitions. Second operand 12 states. [2020-09-04 20:37:17,261 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:17,580 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 20:37:17,912 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 20:37:18,224 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:18,548 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:37:18,839 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:20,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:20,568 INFO L93 Difference]: Finished difference Result 1298 states and 1591 transitions. [2020-09-04 20:37:20,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-04 20:37:20,569 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 200 [2020-09-04 20:37:20,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:20,575 INFO L225 Difference]: With dead ends: 1298 [2020-09-04 20:37:20,575 INFO L226 Difference]: Without dead ends: 902 [2020-09-04 20:37:20,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=203, Invalid=499, Unknown=0, NotChecked=0, Total=702 [2020-09-04 20:37:20,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2020-09-04 20:37:20,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 527. [2020-09-04 20:37:20,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2020-09-04 20:37:20,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 571 transitions. [2020-09-04 20:37:20,739 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 571 transitions. Word has length 200 [2020-09-04 20:37:20,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:20,740 INFO L479 AbstractCegarLoop]: Abstraction has 527 states and 571 transitions. [2020-09-04 20:37:20,740 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-04 20:37:20,740 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 571 transitions. [2020-09-04 20:37:20,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-04 20:37:20,743 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:20,743 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:37:20,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 20:37:20,744 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:20,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:20,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1642255734, now seen corresponding path program 1 times [2020-09-04 20:37:20,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:20,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [127228197] [2020-09-04 20:37:20,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,103 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:21,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:37:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 20:37:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-04 20:37:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:37:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:37:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:37:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-04 20:37:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-04 20:37:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:21,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:21,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [127228197] [2020-09-04 20:37:21,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:21,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-04 20:37:21,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018258000] [2020-09-04 20:37:21,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 20:37:21,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:21,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 20:37:21,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2020-09-04 20:37:21,336 INFO L87 Difference]: Start difference. First operand 527 states and 571 transitions. Second operand 15 states. [2020-09-04 20:37:22,016 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:22,350 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 20:37:22,661 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:22,971 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:37:23,263 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:24,326 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:24,636 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:37:24,961 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:25,294 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:37:25,601 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:27,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:27,605 INFO L93 Difference]: Finished difference Result 1336 states and 1656 transitions. [2020-09-04 20:37:27,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-04 20:37:27,609 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 200 [2020-09-04 20:37:27,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:27,616 INFO L225 Difference]: With dead ends: 1336 [2020-09-04 20:37:27,616 INFO L226 Difference]: Without dead ends: 924 [2020-09-04 20:37:27,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=278, Invalid=844, Unknown=0, NotChecked=0, Total=1122 [2020-09-04 20:37:27,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-09-04 20:37:27,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 539. [2020-09-04 20:37:27,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2020-09-04 20:37:27,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 583 transitions. [2020-09-04 20:37:27,864 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 583 transitions. Word has length 200 [2020-09-04 20:37:27,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:27,864 INFO L479 AbstractCegarLoop]: Abstraction has 539 states and 583 transitions. [2020-09-04 20:37:27,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 20:37:27,864 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 583 transitions. [2020-09-04 20:37:27,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-04 20:37:27,867 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:27,867 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:37:27,867 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 20:37:27,867 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:27,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:27,868 INFO L82 PathProgramCache]: Analyzing trace with hash -488866957, now seen corresponding path program 1 times [2020-09-04 20:37:27,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:27,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1541335951] [2020-09-04 20:37:27,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:28,246 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:28,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:28,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:28,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:28,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:28,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:28,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:28,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:37:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:28,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 20:37:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:28,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-04 20:37:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:28,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:37:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:28,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:37:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:28,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:37:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:28,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-04 20:37:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:28,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-04 20:37:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:28,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:28,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1541335951] [2020-09-04 20:37:28,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:28,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 20:37:28,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679655965] [2020-09-04 20:37:28,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 20:37:28,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:28,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 20:37:28,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-04 20:37:28,498 INFO L87 Difference]: Start difference. First operand 539 states and 583 transitions. Second operand 9 states. [2020-09-04 20:37:29,107 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:29,819 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:33,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:33,681 INFO L93 Difference]: Finished difference Result 2025 states and 2572 transitions. [2020-09-04 20:37:33,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-04 20:37:33,682 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 200 [2020-09-04 20:37:33,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:33,691 INFO L225 Difference]: With dead ends: 2025 [2020-09-04 20:37:33,691 INFO L226 Difference]: Without dead ends: 1601 [2020-09-04 20:37:33,693 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=290, Invalid=1042, Unknown=0, NotChecked=0, Total=1332 [2020-09-04 20:37:33,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2020-09-04 20:37:34,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 957. [2020-09-04 20:37:34,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 957 states. [2020-09-04 20:37:34,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1063 transitions. [2020-09-04 20:37:34,011 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1063 transitions. Word has length 200 [2020-09-04 20:37:34,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:34,011 INFO L479 AbstractCegarLoop]: Abstraction has 957 states and 1063 transitions. [2020-09-04 20:37:34,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 20:37:34,011 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1063 transitions. [2020-09-04 20:37:34,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-09-04 20:37:34,014 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:34,014 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:37:34,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 20:37:34,014 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:34,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:34,015 INFO L82 PathProgramCache]: Analyzing trace with hash -390526145, now seen corresponding path program 1 times [2020-09-04 20:37:34,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:34,015 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1439116910] [2020-09-04 20:37:34,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:34,373 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:34,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:34,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:34,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:34,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:34,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:34,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:34,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 20:37:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:34,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 20:37:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:34,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 20:37:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:34,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 20:37:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:34,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:37:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:34,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:37:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:34,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:37:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:34,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-04 20:37:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:34,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-04 20:37:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:34,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:37:34,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1439116910] [2020-09-04 20:37:34,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:34,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 20:37:34,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213236038] [2020-09-04 20:37:34,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 20:37:34,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:34,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 20:37:34,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-04 20:37:34,560 INFO L87 Difference]: Start difference. First operand 957 states and 1063 transitions. Second operand 9 states. [2020-09-04 20:37:35,128 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:38,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:38,727 INFO L93 Difference]: Finished difference Result 2467 states and 3159 transitions. [2020-09-04 20:37:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-04 20:37:38,728 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 205 [2020-09-04 20:37:38,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:38,742 INFO L225 Difference]: With dead ends: 2467 [2020-09-04 20:37:38,742 INFO L226 Difference]: Without dead ends: 2464 [2020-09-04 20:37:38,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=297, Invalid=963, Unknown=0, NotChecked=0, Total=1260 [2020-09-04 20:37:38,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2464 states. [2020-09-04 20:37:39,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2464 to 1476. [2020-09-04 20:37:39,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1476 states. [2020-09-04 20:37:39,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 1655 transitions. [2020-09-04 20:37:39,394 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 1655 transitions. Word has length 205 [2020-09-04 20:37:39,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:39,398 INFO L479 AbstractCegarLoop]: Abstraction has 1476 states and 1655 transitions. [2020-09-04 20:37:39,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 20:37:39,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1655 transitions. [2020-09-04 20:37:39,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-09-04 20:37:39,403 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:39,405 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:37:39,405 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 20:37:39,405 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:39,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:39,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1476221887, now seen corresponding path program 1 times [2020-09-04 20:37:39,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:39,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [750858642] [2020-09-04 20:37:39,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 20:37:39,501 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 20:37:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 20:37:39,592 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 20:37:39,901 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 20:37:39,902 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 20:37:39,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 20:37:40,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 08:37:40 BoogieIcfgContainer [2020-09-04 20:37:40,229 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 20:37:40,237 INFO L168 Benchmark]: Toolchain (without parser) took 54701.72 ms. Allocated memory was 139.5 MB in the beginning and 945.3 MB in the end (delta: 805.8 MB). Free memory was 102.3 MB in the beginning and 85.6 MB in the end (delta: 16.7 MB). Peak memory consumption was 822.5 MB. Max. memory is 7.1 GB. [2020-09-04 20:37:40,241 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-04 20:37:40,241 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.04 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 102.1 MB in the beginning and 172.9 MB in the end (delta: -70.8 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2020-09-04 20:37:40,242 INFO L168 Benchmark]: Boogie Preprocessor took 101.81 ms. Allocated memory is still 202.9 MB. Free memory was 172.9 MB in the beginning and 168.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-04 20:37:40,242 INFO L168 Benchmark]: RCFGBuilder took 1203.85 ms. Allocated memory was 202.9 MB in the beginning and 237.5 MB in the end (delta: 34.6 MB). Free memory was 168.8 MB in the beginning and 179.0 MB in the end (delta: -10.1 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2020-09-04 20:37:40,245 INFO L168 Benchmark]: TraceAbstraction took 52701.86 ms. Allocated memory was 237.5 MB in the beginning and 945.3 MB in the end (delta: 707.8 MB). Free memory was 179.0 MB in the beginning and 85.6 MB in the end (delta: 93.4 MB). Peak memory consumption was 801.2 MB. Max. memory is 7.1 GB. [2020-09-04 20:37:40,251 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.04 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 102.1 MB in the beginning and 172.9 MB in the end (delta: -70.8 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.81 ms. Allocated memory is still 202.9 MB. Free memory was 172.9 MB in the beginning and 168.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1203.85 ms. Allocated memory was 202.9 MB in the beginning and 237.5 MB in the end (delta: 34.6 MB). Free memory was 168.8 MB in the beginning and 179.0 MB in the end (delta: -10.1 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 52701.86 ms. Allocated memory was 237.5 MB in the beginning and 945.3 MB in the end (delta: 707.8 MB). Free memory was 179.0 MB in the beginning and 85.6 MB in the end (delta: 93.4 MB). Peak memory consumption was 801.2 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; VAL [\old(cleanupTimeShifts)=176, \old(head)=165, \old(head)=177, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=140, cleanupTimeShifts=4, head={177:165}, methAndRunningLastTime=172, methaneLevelCritical=144, pumpRunning=134, systemActive=133, waterLevel=140] [L151] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=176, \old(head)=177, \old(head)=165, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=140, cleanupTimeShifts=4, head={177:165}, methAndRunningLastTime=172, methaneLevelCritical=144, pumpRunning=134, systemActive=133, waterLevel=1] [L152] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=176, \old(head)=177, \old(head)=165, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=140, cleanupTimeShifts=4, head={177:165}, methAndRunningLastTime=172, methaneLevelCritical=0, pumpRunning=134, systemActive=133, waterLevel=1] [L255] int methAndRunningLastTime ; VAL [\old(cleanupTimeShifts)=176, \old(head)=177, \old(head)=165, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=140, cleanupTimeShifts=4, head={177:165}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=134, systemActive=133, waterLevel=1] [L498] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=176, \old(head)=177, \old(head)=165, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=134, systemActive=133, waterLevel=1] [L765] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=176, \old(head)=177, \old(head)=165, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=133, waterLevel=1] [L766] int systemActive = 1; VAL [\old(cleanupTimeShifts)=176, \old(head)=165, \old(head)=177, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] int retValue_acc ; 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] [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 ; 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] [L323] retValue_acc = 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, retValue_acc=1, systemActive=1, waterLevel=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() 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, valid_product()=1, waterLevel=1] [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 ; 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] [L698] 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] [L699] int 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, systemActive=1, waterLevel=1] [L700] int 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=0, pumpRunning=0, systemActive=1, waterLevel=1] [L701] int tmp___2 ; 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] [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() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [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 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] [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() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [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=1, 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)) 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] [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=1, waterLevel=2] [L734] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L736] COND TRUE \read(tmp___2) 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=1, tmp___2=1, waterLevel=2] [L738] CALL startSystem() 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] [L920] systemActive = 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] [L738] RET startSystem() 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=1, tmp___2=1, 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 ; 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] [L899] 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] [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) 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] [L238] retValue_acc = 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, retValue_acc=0, systemActive=1, waterLevel=2] [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() 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, tmp=0, waterLevel=2] [L906] COND FALSE !(\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=0, waterLevel=2] [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 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, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [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() 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, tmp=1, waterLevel=2] [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 ; 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] [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 ; 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] [L193] retValue_acc = methaneLevelCritical 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, retValue_acc=1, systemActive=1, waterLevel=2] [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() 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, tmp=1, waterLevel=2] [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 ; 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] [L856] retValue_acc = 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=1, retValue_acc=1, systemActive=1, waterLevel=2] [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() 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, tmp___0=1, waterLevel=2] [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)) 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] [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=1, tmp___2=1, 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=1, tmp___2=1, 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=1, tmp___2=1, waterLevel=2] [L714] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [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=1, tmp___2=1, waterLevel=2] [L724] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [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___2=1, waterLevel=2] [L734] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L736] COND TRUE \read(tmp___2) 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___2=1, waterLevel=2] [L738] CALL startSystem() 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, systemActive=1, waterLevel=2] [L920] systemActive = 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, systemActive=1, waterLevel=2] [L738] RET startSystem() 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___2=1, 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 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] [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 ; 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] [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 ; 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] [L193] retValue_acc = methaneLevelCritical 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, retValue_acc=1, systemActive=1, waterLevel=1] [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() 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, tmp=1, waterLevel=1] [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 ; 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] [L856] retValue_acc = 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, retValue_acc=1, systemActive=1, waterLevel=1] [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() 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, tmp___0=1, waterLevel=1] [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, 619 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 52.2s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 43.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2274 SDtfs, 8327 SDslu, 4946 SDs, 0 SdLazy, 9703 SolverSat, 2335 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 542 GetRequests, 300 SyntacticMatches, 2 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1726 ImplicationChecksByTransitivity, 18.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1476occurred 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: 2.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 3325 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 2095 NumberOfCodeBlocks, 2095 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1817 ConstructedInterpolants, 0 QuantifiedInterpolants, 816257 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...