/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_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 20:37:39,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 20:37:39,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 20:37:39,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 20:37:39,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 20:37:39,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 20:37:39,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 20:37:39,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 20:37:39,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 20:37:39,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 20:37:39,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 20:37:39,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 20:37:39,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 20:37:39,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 20:37:39,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 20:37:39,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 20:37:39,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 20:37:39,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 20:37:39,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 20:37:39,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 20:37:39,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 20:37:39,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 20:37:39,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 20:37:39,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 20:37:39,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 20:37:39,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 20:37:39,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 20:37:39,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 20:37:39,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 20:37:39,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 20:37:39,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 20:37:39,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 20:37:39,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 20:37:39,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 20:37:39,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 20:37:39,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 20:37:39,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 20:37:39,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 20:37:39,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 20:37:39,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 20:37:39,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 20:37:39,169 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 20:37:39,180 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 20:37:39,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 20:37:39,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 20:37:39,182 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 20:37:39,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 20:37:39,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 20:37:39,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 20:37:39,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 20:37:39,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 20:37:39,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 20:37:39,183 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 20:37:39,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 20:37:39,183 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 20:37:39,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 20:37:39,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 20:37:39,184 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 20:37:39,184 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 20:37:39,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 20:37:39,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 20:37:39,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 20:37:39,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 20:37:39,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 20:37:39,185 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 20:37:39,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 20:37:39,638 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 20:37:39,642 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 20:37:39,644 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 20:37:39,644 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 20:37:39,646 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product43.cil.c [2020-09-04 20:37:39,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f143172e/bf1bda3375f24fd695d549a297e56b47/FLAG3cdf8e950 [2020-09-04 20:37:40,326 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 20:37:40,327 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product43.cil.c [2020-09-04 20:37:40,341 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f143172e/bf1bda3375f24fd695d549a297e56b47/FLAG3cdf8e950 [2020-09-04 20:37:40,623 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f143172e/bf1bda3375f24fd695d549a297e56b47 [2020-09-04 20:37:40,638 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 20:37:40,640 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 20:37:40,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 20:37:40,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 20:37:40,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 20:37:40,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:37:40" (1/1) ... [2020-09-04 20:37:40,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:40, skipping insertion in model container [2020-09-04 20:37:40,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:37:40" (1/1) ... [2020-09-04 20:37:40,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 20:37:40,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 20:37:41,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:37:41,302 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 20:37:41,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:37:41,407 INFO L208 MainTranslator]: Completed translation [2020-09-04 20:37:41,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:41 WrapperNode [2020-09-04 20:37:41,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 20:37:41,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 20:37:41,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 20:37:41,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 20:37:41,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:41" (1/1) ... [2020-09-04 20:37:41,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:41" (1/1) ... [2020-09-04 20:37:41,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:41" (1/1) ... [2020-09-04 20:37:41,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:41" (1/1) ... [2020-09-04 20:37:41,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:41" (1/1) ... [2020-09-04 20:37:41,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:41" (1/1) ... [2020-09-04 20:37:41,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:41" (1/1) ... [2020-09-04 20:37:41,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 20:37:41,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 20:37:41,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 20:37:41,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 20:37:41,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:41" (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 20:37:41,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 20:37:41,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 20:37:41,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 20:37:41,611 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 20:37:41,611 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 20:37:41,611 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 20:37:41,611 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 20:37:41,611 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 20:37:41,612 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 20:37:41,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 20:37:41,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 20:37:41,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 20:37:41,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 20:37:41,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 20:37:41,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 20:37:41,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 20:37:41,614 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 20:37:41,614 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 20:37:41,615 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 20:37:41,616 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 20:37:41,616 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 20:37:41,616 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 20:37:41,619 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 20:37:41,619 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 20:37:41,619 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 20:37:41,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-04 20:37:41,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-04 20:37:41,619 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 20:37:41,620 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 20:37:41,620 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 20:37:41,620 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 20:37:41,620 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-04 20:37:41,620 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 20:37:41,620 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 20:37:41,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 20:37:41,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 20:37:41,621 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 20:37:41,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 20:37:41,621 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-04 20:37:41,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 20:37:41,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 20:37:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 20:37:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 20:37:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 20:37:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 20:37:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 20:37:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 20:37:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 20:37:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 20:37:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 20:37:41,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 20:37:41,624 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 20:37:41,624 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 20:37:41,624 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 20:37:41,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 20:37:41,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 20:37:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 20:37:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 20:37:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 20:37:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 20:37:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 20:37:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 20:37:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 20:37:41,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 20:37:41,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 20:37:41,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 20:37:41,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 20:37:41,626 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 20:37:41,626 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 20:37:41,626 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 20:37:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 20:37:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 20:37:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-04 20:37:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 20:37:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 20:37:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 20:37:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 20:37:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 20:37:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 20:37:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 20:37:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 20:37:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 20:37:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-04 20:37:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-04 20:37:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 20:37:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 20:37:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 20:37:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 20:37:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 20:37:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-04 20:37:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 20:37:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 20:37:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 20:37:41,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 20:37:42,710 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 20:37:42,710 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 20:37:42,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:37:42 BoogieIcfgContainer [2020-09-04 20:37:42,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 20:37:42,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 20:37:42,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 20:37:42,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 20:37:42,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 08:37:40" (1/3) ... [2020-09-04 20:37:42,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@337bbcca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:37:42, skipping insertion in model container [2020-09-04 20:37:42,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:37:41" (2/3) ... [2020-09-04 20:37:42,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@337bbcca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:37:42, skipping insertion in model container [2020-09-04 20:37:42,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:37:42" (3/3) ... [2020-09-04 20:37:42,726 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product43.cil.c [2020-09-04 20:37:42,738 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 20:37:42,749 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 20:37:42,772 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 20:37:42,800 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 20:37:42,801 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 20:37:42,801 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 20:37:42,801 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 20:37:42,801 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 20:37:42,801 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 20:37:42,802 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 20:37:42,802 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 20:37:42,824 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states. [2020-09-04 20:37:42,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-04 20:37:42,847 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:42,849 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 20:37:42,849 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:42,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:42,857 INFO L82 PathProgramCache]: Analyzing trace with hash 712153127, now seen corresponding path program 1 times [2020-09-04 20:37:42,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:42,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1440421194] [2020-09-04 20:37:42,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:43,621 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:43,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:43,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:43,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:43,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:43,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:43,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:43,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:37:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:43,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 20:37:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:43,809 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 20:37:43,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1440421194] [2020-09-04 20:37:43,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:43,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 20:37:43,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521901738] [2020-09-04 20:37:43,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 20:37:43,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:43,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 20:37:43,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 20:37:43,850 INFO L87 Difference]: Start difference. First operand 313 states. Second operand 4 states. [2020-09-04 20:37:45,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:45,202 INFO L93 Difference]: Finished difference Result 489 states and 577 transitions. [2020-09-04 20:37:45,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 20:37:45,205 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-04 20:37:45,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:45,238 INFO L225 Difference]: With dead ends: 489 [2020-09-04 20:37:45,238 INFO L226 Difference]: Without dead ends: 312 [2020-09-04 20:37:45,246 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 20:37:45,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-09-04 20:37:45,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 262. [2020-09-04 20:37:45,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-09-04 20:37:45,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 284 transitions. [2020-09-04 20:37:45,453 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 284 transitions. Word has length 148 [2020-09-04 20:37:45,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:45,456 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 284 transitions. [2020-09-04 20:37:45,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 20:37:45,456 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 284 transitions. [2020-09-04 20:37:45,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-04 20:37:45,471 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:45,472 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 20:37:45,472 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 20:37:45,473 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:45,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:45,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1114292978, now seen corresponding path program 1 times [2020-09-04 20:37:45,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:45,474 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1199923576] [2020-09-04 20:37:45,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:45,952 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:45,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:46,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:46,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:46,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:46,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:46,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:46,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-04 20:37:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:46,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-04 20:37:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:46,065 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 20:37:46,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1199923576] [2020-09-04 20:37:46,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:46,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 20:37:46,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196558622] [2020-09-04 20:37:46,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 20:37:46,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:46,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 20:37:46,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 20:37:46,070 INFO L87 Difference]: Start difference. First operand 262 states and 284 transitions. Second operand 5 states. [2020-09-04 20:37:46,786 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:47,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:47,885 INFO L93 Difference]: Finished difference Result 409 states and 462 transitions. [2020-09-04 20:37:47,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 20:37:47,886 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-04 20:37:47,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:47,890 INFO L225 Difference]: With dead ends: 409 [2020-09-04 20:37:47,890 INFO L226 Difference]: Without dead ends: 301 [2020-09-04 20:37:47,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 20:37:47,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-09-04 20:37:47,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 252. [2020-09-04 20:37:47,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2020-09-04 20:37:48,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 271 transitions. [2020-09-04 20:37:48,001 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 271 transitions. Word has length 149 [2020-09-04 20:37:48,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:48,001 INFO L479 AbstractCegarLoop]: Abstraction has 252 states and 271 transitions. [2020-09-04 20:37:48,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 20:37:48,002 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 271 transitions. [2020-09-04 20:37:48,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-09-04 20:37:48,004 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:48,004 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] [2020-09-04 20:37:48,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 20:37:48,004 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:48,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:48,005 INFO L82 PathProgramCache]: Analyzing trace with hash 185312608, now seen corresponding path program 1 times [2020-09-04 20:37:48,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:48,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2082354204] [2020-09-04 20:37:48,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:48,394 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:48,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:48,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:48,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:48,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:48,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:48,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:48,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 20:37:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:48,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-04 20:37:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:48,634 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 20:37:48,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2082354204] [2020-09-04 20:37:48,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:48,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 20:37:48,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492437037] [2020-09-04 20:37:48,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 20:37:48,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:48,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 20:37:48,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 20:37:48,637 INFO L87 Difference]: Start difference. First operand 252 states and 271 transitions. Second operand 10 states. [2020-09-04 20:37:49,427 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:49,933 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:37:50,196 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 20:37:50,472 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:50,813 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:37:51,108 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:37:52,179 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:54,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:54,279 INFO L93 Difference]: Finished difference Result 671 states and 774 transitions. [2020-09-04 20:37:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 20:37:54,280 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 158 [2020-09-04 20:37:54,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:54,284 INFO L225 Difference]: With dead ends: 671 [2020-09-04 20:37:54,284 INFO L226 Difference]: Without dead ends: 534 [2020-09-04 20:37:54,286 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-04 20:37:54,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2020-09-04 20:37:54,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 445. [2020-09-04 20:37:54,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-09-04 20:37:54,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 494 transitions. [2020-09-04 20:37:54,446 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 494 transitions. Word has length 158 [2020-09-04 20:37:54,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:54,447 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 494 transitions. [2020-09-04 20:37:54,447 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 20:37:54,447 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 494 transitions. [2020-09-04 20:37:54,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-04 20:37:54,450 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:54,450 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] [2020-09-04 20:37:54,451 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 20:37:54,451 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:54,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:54,451 INFO L82 PathProgramCache]: Analyzing trace with hash 226204253, now seen corresponding path program 1 times [2020-09-04 20:37:54,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:54,452 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [14765015] [2020-09-04 20:37:54,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:54,807 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:54,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:54,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:54,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:54,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:54,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:54,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:54,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-04 20:37:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:54,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:37:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:54,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 20:37:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:54,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-04 20:37:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:54,951 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 20:37:54,952 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [14765015] [2020-09-04 20:37:54,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:54,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 20:37:54,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342821140] [2020-09-04 20:37:54,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 20:37:54,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:54,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 20:37:54,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-04 20:37:54,958 INFO L87 Difference]: Start difference. First operand 445 states and 494 transitions. Second operand 7 states. [2020-09-04 20:37:55,556 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:37:57,353 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:37:58,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:37:58,028 INFO L93 Difference]: Finished difference Result 1113 states and 1318 transitions. [2020-09-04 20:37:58,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-04 20:37:58,030 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 166 [2020-09-04 20:37:58,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:37:58,037 INFO L225 Difference]: With dead ends: 1113 [2020-09-04 20:37:58,038 INFO L226 Difference]: Without dead ends: 783 [2020-09-04 20:37:58,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-09-04 20:37:58,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-09-04 20:37:58,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 655. [2020-09-04 20:37:58,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 655 states. [2020-09-04 20:37:58,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 728 transitions. [2020-09-04 20:37:58,266 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 728 transitions. Word has length 166 [2020-09-04 20:37:58,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:37:58,266 INFO L479 AbstractCegarLoop]: Abstraction has 655 states and 728 transitions. [2020-09-04 20:37:58,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 20:37:58,266 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 728 transitions. [2020-09-04 20:37:58,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-04 20:37:58,268 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:37:58,269 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] [2020-09-04 20:37:58,269 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 20:37:58,269 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:37:58,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:37:58,270 INFO L82 PathProgramCache]: Analyzing trace with hash 216605652, now seen corresponding path program 1 times [2020-09-04 20:37:58,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:37:58,270 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1973652193] [2020-09-04 20:37:58,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:37:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:58,646 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:37:58,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:37:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:58,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:37:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:58,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:37:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:58,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:37:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:58,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:37:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:58,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:37:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:58,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-04 20:37:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:58,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 20:37:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:58,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-04 20:37:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:37:58,873 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 20:37:58,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1973652193] [2020-09-04 20:37:58,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:37:58,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 20:37:58,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862255757] [2020-09-04 20:37:58,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 20:37:58,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:37:58,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 20:37:58,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 20:37:58,876 INFO L87 Difference]: Start difference. First operand 655 states and 728 transitions. Second operand 10 states. [2020-09-04 20:37:59,451 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:00,596 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:00,946 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:38:01,285 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:01,617 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:01,912 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:38:02,184 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:02,447 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:02,864 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:04,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:38:04,864 INFO L93 Difference]: Finished difference Result 1778 states and 2087 transitions. [2020-09-04 20:38:04,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-04 20:38:04,864 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-04 20:38:04,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:38:04,880 INFO L225 Difference]: With dead ends: 1778 [2020-09-04 20:38:04,880 INFO L226 Difference]: Without dead ends: 1238 [2020-09-04 20:38:04,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-04 20:38:04,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2020-09-04 20:38:05,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1091. [2020-09-04 20:38:05,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2020-09-04 20:38:05,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1217 transitions. [2020-09-04 20:38:05,342 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1217 transitions. Word has length 167 [2020-09-04 20:38:05,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:38:05,343 INFO L479 AbstractCegarLoop]: Abstraction has 1091 states and 1217 transitions. [2020-09-04 20:38:05,343 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 20:38:05,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1217 transitions. [2020-09-04 20:38:05,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-04 20:38:05,346 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:38:05,346 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] [2020-09-04 20:38:05,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 20:38:05,346 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:38:05,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:38:05,347 INFO L82 PathProgramCache]: Analyzing trace with hash 611019346, now seen corresponding path program 1 times [2020-09-04 20:38:05,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:38:05,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1858036634] [2020-09-04 20:38:05,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:38:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:05,708 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:38:05,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:38:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:05,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:38:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:05,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:38:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:05,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:38:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:05,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:38:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:05,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:38:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:05,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:38:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:05,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 20:38:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:05,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 20:38:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:05,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 20:38:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:05,884 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 20:38:05,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1858036634] [2020-09-04 20:38:05,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:38:05,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 20:38:05,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535635994] [2020-09-04 20:38:05,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 20:38:05,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:38:05,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 20:38:05,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 20:38:05,887 INFO L87 Difference]: Start difference. First operand 1091 states and 1217 transitions. Second operand 11 states. [2020-09-04 20:38:06,428 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:07,928 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:08,250 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:38:08,616 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:08,929 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:38:09,221 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:10,105 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:10,395 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:10,768 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:11,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:38:11,871 INFO L93 Difference]: Finished difference Result 2337 states and 2719 transitions. [2020-09-04 20:38:11,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-04 20:38:11,872 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 172 [2020-09-04 20:38:11,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:38:11,880 INFO L225 Difference]: With dead ends: 2337 [2020-09-04 20:38:11,881 INFO L226 Difference]: Without dead ends: 1361 [2020-09-04 20:38:11,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=283, Invalid=773, Unknown=0, NotChecked=0, Total=1056 [2020-09-04 20:38:11,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2020-09-04 20:38:12,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 1085. [2020-09-04 20:38:12,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1085 states. [2020-09-04 20:38:12,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1205 transitions. [2020-09-04 20:38:12,187 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1205 transitions. Word has length 172 [2020-09-04 20:38:12,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:38:12,188 INFO L479 AbstractCegarLoop]: Abstraction has 1085 states and 1205 transitions. [2020-09-04 20:38:12,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 20:38:12,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1205 transitions. [2020-09-04 20:38:12,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-04 20:38:12,192 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:38:12,193 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:38:12,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 20:38:12,193 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:38:12,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:38:12,193 INFO L82 PathProgramCache]: Analyzing trace with hash -472762249, now seen corresponding path program 1 times [2020-09-04 20:38:12,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:38:12,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1220502018] [2020-09-04 20:38:12,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:38:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,564 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:38:12,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:38:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:38:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:38:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:38:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:38:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:38:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:38:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 20:38:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:38:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:38:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 20:38:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-04 20:38:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-04 20:38:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:12,783 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 20:38:12,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1220502018] [2020-09-04 20:38:12,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:38:12,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 20:38:12,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159444174] [2020-09-04 20:38:12,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 20:38:12,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:38:12,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 20:38:12,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 20:38:12,787 INFO L87 Difference]: Start difference. First operand 1085 states and 1205 transitions. Second operand 11 states. [2020-09-04 20:38:14,311 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:14,627 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 20:38:14,953 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 20:38:15,277 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:15,632 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:15,922 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:17,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:38:17,437 INFO L93 Difference]: Finished difference Result 2483 states and 2970 transitions. [2020-09-04 20:38:17,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 20:38:17,438 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 218 [2020-09-04 20:38:17,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:38:17,446 INFO L225 Difference]: With dead ends: 2483 [2020-09-04 20:38:17,447 INFO L226 Difference]: Without dead ends: 1513 [2020-09-04 20:38:17,450 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-04 20:38:17,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states. [2020-09-04 20:38:17,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1117. [2020-09-04 20:38:17,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1117 states. [2020-09-04 20:38:17,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1237 transitions. [2020-09-04 20:38:17,764 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1237 transitions. Word has length 218 [2020-09-04 20:38:17,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:38:17,765 INFO L479 AbstractCegarLoop]: Abstraction has 1117 states and 1237 transitions. [2020-09-04 20:38:17,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 20:38:17,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1237 transitions. [2020-09-04 20:38:17,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-04 20:38:17,770 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:38:17,771 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:38:17,771 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 20:38:17,771 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:38:17,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:38:17,772 INFO L82 PathProgramCache]: Analyzing trace with hash 967037143, now seen corresponding path program 1 times [2020-09-04 20:38:17,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:38:17,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693593736] [2020-09-04 20:38:17,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:38:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:18,093 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:38:18,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:38:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:18,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:38:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:18,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:38:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:18,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:38:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:18,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:38:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:18,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:38:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:18,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:38:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:18,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 20:38:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:18,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:18,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:38:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:18,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:38:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:18,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:18,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:18,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 20:38:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:18,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-04 20:38:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:18,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-04 20:38:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:18,350 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 20:38:18,351 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693593736] [2020-09-04 20:38:18,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:38:18,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 20:38:18,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512169973] [2020-09-04 20:38:18,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 20:38:18,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:38:18,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 20:38:18,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-09-04 20:38:18,353 INFO L87 Difference]: Start difference. First operand 1117 states and 1237 transitions. Second operand 14 states. [2020-09-04 20:38:19,072 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:38:19,377 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 20:38:19,680 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:19,974 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:20,259 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:21,293 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:21,601 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:21,908 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:22,245 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:22,594 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:38:24,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:38:24,430 INFO L93 Difference]: Finished difference Result 2551 states and 3042 transitions. [2020-09-04 20:38:24,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 20:38:24,430 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-09-04 20:38:24,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:38:24,439 INFO L225 Difference]: With dead ends: 2551 [2020-09-04 20:38:24,439 INFO L226 Difference]: Without dead ends: 1549 [2020-09-04 20:38:24,443 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-09-04 20:38:24,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1549 states. [2020-09-04 20:38:24,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1549 to 1141. [2020-09-04 20:38:24,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1141 states. [2020-09-04 20:38:24,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1261 transitions. [2020-09-04 20:38:24,897 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1261 transitions. Word has length 218 [2020-09-04 20:38:24,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:38:24,898 INFO L479 AbstractCegarLoop]: Abstraction has 1141 states and 1261 transitions. [2020-09-04 20:38:24,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 20:38:24,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1261 transitions. [2020-09-04 20:38:24,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-04 20:38:24,901 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:38:24,901 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:38:24,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 20:38:24,902 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:38:24,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:38:24,902 INFO L82 PathProgramCache]: Analyzing trace with hash 346565396, now seen corresponding path program 1 times [2020-09-04 20:38:24,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:38:24,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633372421] [2020-09-04 20:38:24,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:38:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:25,237 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:38:25,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:38:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:25,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:38:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:25,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:38:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:25,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:38:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:25,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:38:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:25,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:38:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:25,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-04 20:38:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:25,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 20:38:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:25,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:25,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:38:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:25,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:38:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:25,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:25,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:25,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 20:38:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:25,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-04 20:38:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:25,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-04 20:38:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:25,445 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 20:38:25,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1633372421] [2020-09-04 20:38:25,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:38:25,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 20:38:25,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640816517] [2020-09-04 20:38:25,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 20:38:25,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:38:25,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 20:38:25,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 20:38:25,449 INFO L87 Difference]: Start difference. First operand 1141 states and 1261 transitions. Second operand 8 states. [2020-09-04 20:38:25,957 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:26,608 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:29,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:38:29,948 INFO L93 Difference]: Finished difference Result 3759 states and 4568 transitions. [2020-09-04 20:38:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-04 20:38:29,948 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-09-04 20:38:29,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:38:29,964 INFO L225 Difference]: With dead ends: 3759 [2020-09-04 20:38:29,965 INFO L226 Difference]: Without dead ends: 2733 [2020-09-04 20:38:29,970 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 42 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-09-04 20:38:29,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2733 states. [2020-09-04 20:38:30,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2733 to 2183. [2020-09-04 20:38:30,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2183 states. [2020-09-04 20:38:30,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 2183 states and 2467 transitions. [2020-09-04 20:38:30,777 INFO L78 Accepts]: Start accepts. Automaton has 2183 states and 2467 transitions. Word has length 218 [2020-09-04 20:38:30,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:38:30,778 INFO L479 AbstractCegarLoop]: Abstraction has 2183 states and 2467 transitions. [2020-09-04 20:38:30,778 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 20:38:30,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2183 states and 2467 transitions. [2020-09-04 20:38:30,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-09-04 20:38:30,781 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:38:30,782 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:38:30,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 20:38:30,782 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:38:30,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:38:30,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1445646548, now seen corresponding path program 1 times [2020-09-04 20:38:30,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:38:30,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [251056301] [2020-09-04 20:38:30,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:38:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:31,129 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:38:31,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:38:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:31,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:38:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:31,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:38:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:31,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:38:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:31,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:38:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:31,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:38:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:31,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 20:38:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:31,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 20:38:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:31,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-04 20:38:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:31,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:31,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:38:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:31,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:38:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:31,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:31,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:31,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 20:38:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:31,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-04 20:38:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:31,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-04 20:38:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:31,620 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-04 20:38:31,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [251056301] [2020-09-04 20:38:31,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 20:38:31,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-04 20:38:31,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397145988] [2020-09-04 20:38:31,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-04 20:38:31,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:38:31,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-04 20:38:31,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2020-09-04 20:38:31,623 INFO L87 Difference]: Start difference. First operand 2183 states and 2467 transitions. Second operand 21 states. [2020-09-04 20:38:32,273 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:32,811 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 20:38:33,151 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 20:38:33,479 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:33,803 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 20:38:34,115 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:35,173 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:36,089 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:36,494 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 20:38:37,010 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:37,389 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 20:38:39,223 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:39,660 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 20:38:40,011 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:40,396 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 20:38:40,768 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:41,232 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 20:38:41,564 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:38:41,937 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 20:38:42,622 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 20:38:43,409 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 20:38:44,014 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 20:38:46,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:38:46,308 INFO L93 Difference]: Finished difference Result 4708 states and 5522 transitions. [2020-09-04 20:38:46,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-09-04 20:38:46,309 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 223 [2020-09-04 20:38:46,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:38:46,323 INFO L225 Difference]: With dead ends: 4708 [2020-09-04 20:38:46,324 INFO L226 Difference]: Without dead ends: 2640 [2020-09-04 20:38:46,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1032 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=793, Invalid=3367, Unknown=0, NotChecked=0, Total=4160 [2020-09-04 20:38:46,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2640 states. [2020-09-04 20:38:47,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2640 to 2109. [2020-09-04 20:38:47,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2109 states. [2020-09-04 20:38:47,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 2353 transitions. [2020-09-04 20:38:47,020 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 2353 transitions. Word has length 223 [2020-09-04 20:38:47,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:38:47,020 INFO L479 AbstractCegarLoop]: Abstraction has 2109 states and 2353 transitions. [2020-09-04 20:38:47,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-04 20:38:47,021 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2353 transitions. [2020-09-04 20:38:47,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-09-04 20:38:47,025 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:38:47,026 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:38:47,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 20:38:47,026 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:38:47,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:38:47,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1177290011, now seen corresponding path program 1 times [2020-09-04 20:38:47,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:38:47,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2101956837] [2020-09-04 20:38:47,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:38:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,377 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:38:47,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:38:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:38:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:38:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:38:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:38:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:38:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 20:38:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 20:38:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:38:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:38:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 20:38:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 20:38:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-09-04 20:38:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-04 20:38:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-04 20:38:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 20:38:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-09-04 20:38:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:47,610 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-09-04 20:38:47,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2101956837] [2020-09-04 20:38:47,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 20:38:47,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-04 20:38:47,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546295961] [2020-09-04 20:38:47,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 20:38:47,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:38:47,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 20:38:47,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-04 20:38:47,614 INFO L87 Difference]: Start difference. First operand 2109 states and 2353 transitions. Second operand 9 states. [2020-09-04 20:38:48,171 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:51,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:38:51,799 INFO L93 Difference]: Finished difference Result 4101 states and 4883 transitions. [2020-09-04 20:38:51,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-04 20:38:51,800 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 271 [2020-09-04 20:38:51,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:38:51,823 INFO L225 Difference]: With dead ends: 4101 [2020-09-04 20:38:51,823 INFO L226 Difference]: Without dead ends: 4098 [2020-09-04 20:38:51,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=198, Invalid=504, Unknown=0, NotChecked=0, Total=702 [2020-09-04 20:38:51,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2020-09-04 20:38:53,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 3201. [2020-09-04 20:38:53,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3201 states. [2020-09-04 20:38:53,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3201 states to 3201 states and 3579 transitions. [2020-09-04 20:38:53,018 INFO L78 Accepts]: Start accepts. Automaton has 3201 states and 3579 transitions. Word has length 271 [2020-09-04 20:38:53,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:38:53,019 INFO L479 AbstractCegarLoop]: Abstraction has 3201 states and 3579 transitions. [2020-09-04 20:38:53,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 20:38:53,019 INFO L276 IsEmpty]: Start isEmpty. Operand 3201 states and 3579 transitions. [2020-09-04 20:38:53,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-09-04 20:38:53,029 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:38:53,029 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:38:53,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 20:38:53,030 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:38:53,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:38:53,030 INFO L82 PathProgramCache]: Analyzing trace with hash 855560626, now seen corresponding path program 1 times [2020-09-04 20:38:53,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:38:53,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [378354651] [2020-09-04 20:38:53,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:38:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,418 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:38:53,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:38:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 20:38:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 20:38:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 20:38:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 20:38:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 20:38:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 20:38:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 20:38:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:38:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:38:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 20:38:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 20:38:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-09-04 20:38:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-04 20:38:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:38:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-04 20:38:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-04 20:38:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 20:38:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-09-04 20:38:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-09-04 20:38:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:38:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2020-09-04 20:38:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2020-09-04 20:38:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:38:53,750 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 58 proven. 27 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-09-04 20:38:53,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [378354651] [2020-09-04 20:38:53,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 20:38:53,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-04 20:38:53,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143451208] [2020-09-04 20:38:53,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-04 20:38:53,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:38:53,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-04 20:38:53,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-09-04 20:38:53,753 INFO L87 Difference]: Start difference. First operand 3201 states and 3579 transitions. Second operand 12 states. [2020-09-04 20:38:54,350 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:55,218 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:38:59,518 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:39:01,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:39:01,913 INFO L93 Difference]: Finished difference Result 8906 states and 10528 transitions. [2020-09-04 20:39:01,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-09-04 20:39:01,914 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 329 [2020-09-04 20:39:01,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:39:01,947 INFO L225 Difference]: With dead ends: 8906 [2020-09-04 20:39:01,947 INFO L226 Difference]: Without dead ends: 6285 [2020-09-04 20:39:01,958 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 77 SyntacticMatches, 6 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 562 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=452, Invalid=1440, Unknown=0, NotChecked=0, Total=1892 [2020-09-04 20:39:01,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6285 states. [2020-09-04 20:39:04,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6285 to 4725. [2020-09-04 20:39:04,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4725 states. [2020-09-04 20:39:04,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4725 states to 4725 states and 5285 transitions. [2020-09-04 20:39:04,461 INFO L78 Accepts]: Start accepts. Automaton has 4725 states and 5285 transitions. Word has length 329 [2020-09-04 20:39:04,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:39:04,462 INFO L479 AbstractCegarLoop]: Abstraction has 4725 states and 5285 transitions. [2020-09-04 20:39:04,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-04 20:39:04,462 INFO L276 IsEmpty]: Start isEmpty. Operand 4725 states and 5285 transitions. [2020-09-04 20:39:04,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-09-04 20:39:04,471 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:39:04,472 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:39:04,472 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 20:39:04,472 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:39:04,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:39:04,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1466953620, now seen corresponding path program 1 times [2020-09-04 20:39:04,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:39:04,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [425411812] [2020-09-04 20:39:04,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:39:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 20:39:04,555 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 20:39:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 20:39:04,641 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 20:39:04,943 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 20:39:04,943 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 20:39:04,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 20:39:05,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 08:39:05 BoogieIcfgContainer [2020-09-04 20:39:05,312 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 20:39:05,314 INFO L168 Benchmark]: Toolchain (without parser) took 84674.13 ms. Allocated memory was 139.5 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 102.5 MB in the beginning and 628.7 MB in the end (delta: -526.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-09-04 20:39:05,316 INFO L168 Benchmark]: CDTParser took 0.31 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 20:39:05,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.01 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 102.3 MB in the beginning and 169.5 MB in the end (delta: -67.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2020-09-04 20:39:05,321 INFO L168 Benchmark]: Boogie Preprocessor took 115.43 ms. Allocated memory is still 202.9 MB. Free memory was 169.5 MB in the beginning and 165.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-04 20:39:05,323 INFO L168 Benchmark]: RCFGBuilder took 1193.09 ms. Allocated memory was 202.9 MB in the beginning and 237.5 MB in the end (delta: 34.6 MB). Free memory was 164.8 MB in the beginning and 174.9 MB in the end (delta: -10.1 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. [2020-09-04 20:39:05,324 INFO L168 Benchmark]: TraceAbstraction took 82593.16 ms. Allocated memory was 237.5 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 173.5 MB in the beginning and 628.7 MB in the end (delta: -455.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-09-04 20:39:05,331 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 767.01 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 102.3 MB in the beginning and 169.5 MB in the end (delta: -67.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.43 ms. Allocated memory is still 202.9 MB. Free memory was 169.5 MB in the beginning and 165.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1193.09 ms. Allocated memory was 202.9 MB in the beginning and 237.5 MB in the end (delta: 34.6 MB). Free memory was 164.8 MB in the beginning and 174.9 MB in the end (delta: -10.1 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 82593.16 ms. Allocated memory was 237.5 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 173.5 MB in the beginning and 628.7 MB in the end (delta: -455.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 946]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=174, \old(head)=177, \old(head)=162, \old(methAndRunningLastTime)=166, \old(methaneLevelCritical)=141, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=136, cleanupTimeShifts=174, head={177:162}, methAndRunningLastTime=166, methaneLevelCritical=141, pumpRunning=132, systemActive=131, waterLevel=1] [L48] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=174, \old(head)=177, \old(head)=162, \old(methAndRunningLastTime)=166, \old(methaneLevelCritical)=141, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=136, cleanupTimeShifts=174, head={177:162}, methAndRunningLastTime=166, methaneLevelCritical=0, pumpRunning=132, systemActive=131, waterLevel=1] [L310] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=174, \old(head)=177, \old(head)=162, \old(methAndRunningLastTime)=166, \old(methaneLevelCritical)=141, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=136, cleanupTimeShifts=174, head={0:0}, methAndRunningLastTime=166, methaneLevelCritical=0, pumpRunning=132, systemActive=131, waterLevel=1] [L507] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=174, \old(head)=162, \old(head)=177, \old(methAndRunningLastTime)=166, \old(methaneLevelCritical)=141, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=136, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=166, methaneLevelCritical=0, pumpRunning=132, systemActive=131, waterLevel=1] [L648] int methAndRunningLastTime ; VAL [\old(cleanupTimeShifts)=174, \old(head)=177, \old(head)=162, \old(methAndRunningLastTime)=166, \old(methaneLevelCritical)=141, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=136, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=132, systemActive=131, waterLevel=1] [L757] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=174, \old(head)=177, \old(head)=162, \old(methAndRunningLastTime)=166, \old(methaneLevelCritical)=141, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=136, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=131, waterLevel=1] [L758] int systemActive = 1; VAL [\old(cleanupTimeShifts)=174, \old(head)=162, \old(head)=177, \old(methAndRunningLastTime)=166, \old(methaneLevelCritical)=141, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=136, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L588] 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] [L589] 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] [L593] 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] [L594] 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] [L595] 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] [L637] 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] [L640] 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] [L641] 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] [L595] 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] [L595] 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] [L597] 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] [L599] 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] [L600] 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] [L578] 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] [L653] 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] [L578] 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] [L579] 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] [L689] 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] [L690] 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] [L691] 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] [L692] 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] [L693] 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] [L696] 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] [L698] 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] [L700] 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] [L706] 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] [L708] 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] [L710] 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] [L65] 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] [L66] 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] [L710] 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] [L716] 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=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L718] 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=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L726] 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=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L728] 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=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L743] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L764] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L771] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L773] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L793] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L796] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L798] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L908] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L909] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L910] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L914] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L127] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L130] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L134] 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=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L135] 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=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L914] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L914] 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=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L916] 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=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L919] 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=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L921] 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=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L922] 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=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L798] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L798] 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=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L800] 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=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L802] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L827] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L831] CALL, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L852] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L856] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L86] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L89] 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=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L90] 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=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L856] 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()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L856] retValue_acc = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L858] 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=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L831] RET, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L831] tmp = isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L833] 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=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L837] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L821] 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=0, pumpRunning=1, systemActive=1, waterLevel=2] [L837] RET activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L802] 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=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L773] 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=0, pumpRunning=1, systemActive=1, waterLevel=2] [L779] 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=0, pumpRunning=1, systemActive=1, waterLevel=2] [L658] 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=0, pumpRunning=1, systemActive=1, waterLevel=2] [L659] 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=0, pumpRunning=1, systemActive=1, waterLevel=2] [L663] 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=0, pumpRunning=1, systemActive=1, waterLevel=2] [L86] 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=0, pumpRunning=1, systemActive=1, waterLevel=2] [L89] 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=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L90] 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=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L663] 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()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L663] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L665] 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=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L681] methAndRunningLastTime = 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=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L779] 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=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L743] RET timeShift() 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=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L698] 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=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L700] 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=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L706] 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=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L708] 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=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L716] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L718] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L720] 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=1, systemActive=1, waterLevel=2] [L77] 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=1, systemActive=1, waterLevel=2] [L80] 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=1, systemActive=1, waterLevel=2] [L720] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L726] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L728] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L743] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L764] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L766] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L53] COND TRUE waterLevel > 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L54] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L766] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L771] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L773] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L793] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L796] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L811] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L773] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L779] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L658] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L659] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L663] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L86] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L89] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L90] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \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=1] [L663] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L663] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L665] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L667] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L863] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L866] retValue_acc = pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L867] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \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=1] [L667] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L667] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \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=1] [L669] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \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=1] [L670] COND FALSE !(\read(methAndRunningLastTime)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \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=1] [L675] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \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] [L779] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \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] [L743] 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=0, tmp___0=1, tmp___2=1, waterLevel=1] [L698] 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=0, tmp___0=1, tmp___2=1, waterLevel=1] [L700] 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=0, tmp___0=1, tmp___2=1, waterLevel=1] [L706] 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=1] [L708] 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=1] [L716] 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=1] [L718] 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=1] [L726] 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=1] [L728] 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=1] [L743] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L764] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L766] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L53] COND TRUE waterLevel > 0 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L54] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L766] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L771] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L773] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L793] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L796] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L811] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L773] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L779] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L658] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L659] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L663] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L86] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L89] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L90] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L663] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L663] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L665] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L667] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L863] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L866] retValue_acc = pumpRunning VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L867] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L667] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L667] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L669] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L670] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L672] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L946] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 630 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 82.1s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 66.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3135 SDtfs, 9807 SDslu, 6819 SDs, 0 SdLazy, 15218 SolverSat, 2920 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 723 GetRequests, 425 SyntacticMatches, 10 SemanticMatches, 288 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2412 ImplicationChecksByTransitivity, 28.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4725occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 5081 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 2767 NumberOfCodeBlocks, 2767 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2425 ConstructedInterpolants, 0 QuantifiedInterpolants, 1239423 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 175/207 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...