/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_spec1_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 23:44:46,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 23:44:46,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 23:44:46,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 23:44:46,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 23:44:46,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 23:44:46,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 23:44:46,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 23:44:46,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 23:44:46,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 23:44:46,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 23:44:46,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 23:44:46,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 23:44:46,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 23:44:46,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 23:44:46,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 23:44:46,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 23:44:46,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 23:44:46,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 23:44:46,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 23:44:46,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 23:44:46,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 23:44:46,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 23:44:46,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 23:44:46,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 23:44:46,147 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 23:44:46,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 23:44:46,150 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 23:44:46,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 23:44:46,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 23:44:46,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 23:44:46,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 23:44:46,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 23:44:46,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 23:44:46,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 23:44:46,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 23:44:46,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 23:44:46,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 23:44:46,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 23:44:46,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 23:44:46,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 23:44:46,162 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 23:44:46,186 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 23:44:46,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 23:44:46,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 23:44:46,191 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 23:44:46,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 23:44:46,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 23:44:46,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 23:44:46,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 23:44:46,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 23:44:46,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 23:44:46,194 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 23:44:46,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 23:44:46,194 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 23:44:46,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 23:44:46,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 23:44:46,195 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 23:44:46,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 23:44:46,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 23:44:46,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 23:44:46,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 23:44:46,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 23:44:46,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 23:44:46,196 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-23 23:44:46,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 23:44:46,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 23:44:46,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 23:44:46,607 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 23:44:46,608 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 23:44:46,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product54.cil.c [2020-10-23 23:44:46,701 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c011287cf/c727975f7d754b7ea250ac50ab5b5a3b/FLAG44d18c2f1 [2020-10-23 23:44:47,349 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 23:44:47,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product54.cil.c [2020-10-23 23:44:47,371 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c011287cf/c727975f7d754b7ea250ac50ab5b5a3b/FLAG44d18c2f1 [2020-10-23 23:44:47,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c011287cf/c727975f7d754b7ea250ac50ab5b5a3b [2020-10-23 23:44:47,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 23:44:47,667 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 23:44:47,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 23:44:47,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 23:44:47,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 23:44:47,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:44:47" (1/1) ... [2020-10-23 23:44:47,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198f060f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:44:47, skipping insertion in model container [2020-10-23 23:44:47,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:44:47" (1/1) ... [2020-10-23 23:44:47,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 23:44:47,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 23:44:48,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:44:48,202 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 23:44:48,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:44:48,349 INFO L208 MainTranslator]: Completed translation [2020-10-23 23:44:48,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:44:48 WrapperNode [2020-10-23 23:44:48,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 23:44:48,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 23:44:48,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 23:44:48,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 23:44:48,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:44:48" (1/1) ... [2020-10-23 23:44:48,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:44:48" (1/1) ... [2020-10-23 23:44:48,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:44:48" (1/1) ... [2020-10-23 23:44:48,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:44:48" (1/1) ... [2020-10-23 23:44:48,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:44:48" (1/1) ... [2020-10-23 23:44:48,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:44:48" (1/1) ... [2020-10-23 23:44:48,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:44:48" (1/1) ... [2020-10-23 23:44:48,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 23:44:48,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 23:44:48,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 23:44:48,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 23:44:48,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:44:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 23:44:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 23:44:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 23:44:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 23:44:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 23:44:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 23:44:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 23:44:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 23:44:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 23:44:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 23:44:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 23:44:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 23:44:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 23:44:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-23 23:44:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-23 23:44:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-23 23:44:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 23:44:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 23:44:48,627 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 23:44:48,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 23:44:48,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 23:44:48,627 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 23:44:48,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-23 23:44:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-23 23:44:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-23 23:44:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 23:44:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 23:44:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 23:44:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 23:44:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-23 23:44:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 23:44:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 23:44:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 23:44:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 23:44:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 23:44:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 23:44:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 23:44:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 23:44:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 23:44:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 23:44:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 23:44:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 23:44:48,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-23 23:44:48,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-23 23:44:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 23:44:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 23:44:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 23:44:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 23:44:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 23:44:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 23:44:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 23:44:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 23:44:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 23:44:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 23:44:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 23:44:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 23:44:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 23:44:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 23:44:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 23:44:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 23:44:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 23:44:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 23:44:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 23:44:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-23 23:44:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 23:44:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 23:44:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 23:44:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 23:44:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-23 23:44:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-23 23:44:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 23:44:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 23:44:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 23:44:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-23 23:44:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 23:44:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-23 23:44:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-23 23:44:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-23 23:44:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-23 23:44:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-23 23:44:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 23:44:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 23:44:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 23:44:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 23:44:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 23:44:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 23:44:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 23:44:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 23:44:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 23:44:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 23:44:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 23:44:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 23:44:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 23:44:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 23:44:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 23:44:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 23:44:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 23:44:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 23:44:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 23:44:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 23:44:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 23:44:50,349 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 23:44:50,349 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 23:44:50,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:44:50 BoogieIcfgContainer [2020-10-23 23:44:50,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 23:44:50,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 23:44:50,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 23:44:50,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 23:44:50,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:44:47" (1/3) ... [2020-10-23 23:44:50,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d99f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:44:50, skipping insertion in model container [2020-10-23 23:44:50,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:44:48" (2/3) ... [2020-10-23 23:44:50,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d99f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:44:50, skipping insertion in model container [2020-10-23 23:44:50,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:44:50" (3/3) ... [2020-10-23 23:44:50,361 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product54.cil.c [2020-10-23 23:44:50,374 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 23:44:50,380 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 23:44:50,393 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 23:44:50,422 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 23:44:50,422 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 23:44:50,422 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-23 23:44:50,422 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 23:44:50,422 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 23:44:50,422 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 23:44:50,423 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 23:44:50,423 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 23:44:50,446 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states. [2020-10-23 23:44:50,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-23 23:44:50,467 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:44:50,468 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] [2020-10-23 23:44:50,468 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:44:50,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:44:50,475 INFO L82 PathProgramCache]: Analyzing trace with hash 750238097, now seen corresponding path program 1 times [2020-10-23 23:44:50,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:44:50,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1858140765] [2020-10-23 23:44:50,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:44:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:51,548 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:44:51,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:44:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:51,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:44:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:51,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:44:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:51,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:44:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:51,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:44:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:51,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-23 23:44:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:51,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-23 23:44:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:51,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:44:51,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1858140765] [2020-10-23 23:44:51,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:44:51,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 23:44:51,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002148025] [2020-10-23 23:44:51,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 23:44:51,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:44:51,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 23:44:51,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 23:44:51,811 INFO L87 Difference]: Start difference. First operand 345 states. Second operand 3 states. [2020-10-23 23:44:54,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:44:54,659 INFO L93 Difference]: Finished difference Result 550 states and 654 transitions. [2020-10-23 23:44:54,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 23:44:54,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-10-23 23:44:54,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:44:54,702 INFO L225 Difference]: With dead ends: 550 [2020-10-23 23:44:54,702 INFO L226 Difference]: Without dead ends: 335 [2020-10-23 23:44:54,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 23:44:54,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2020-10-23 23:44:54,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 291. [2020-10-23 23:44:54,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2020-10-23 23:44:54,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 318 transitions. [2020-10-23 23:44:54,917 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 318 transitions. Word has length 148 [2020-10-23 23:44:54,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:44:54,921 INFO L481 AbstractCegarLoop]: Abstraction has 291 states and 318 transitions. [2020-10-23 23:44:54,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 23:44:54,921 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 318 transitions. [2020-10-23 23:44:54,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-23 23:44:54,940 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:44:54,940 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] [2020-10-23 23:44:54,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 23:44:54,941 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:44:54,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:44:54,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1617565100, now seen corresponding path program 1 times [2020-10-23 23:44:54,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:44:54,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1303040554] [2020-10-23 23:44:54,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:44:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:55,715 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:44:55,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:44:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:55,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:44:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:55,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:44:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:55,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:44:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:55,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:44:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:55,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 23:44:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:55,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 23:44:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:55,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:44:55,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1303040554] [2020-10-23 23:44:55,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:44:55,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 23:44:55,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328164294] [2020-10-23 23:44:55,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 23:44:55,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:44:55,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 23:44:55,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 23:44:55,816 INFO L87 Difference]: Start difference. First operand 291 states and 318 transitions. Second operand 4 states. [2020-10-23 23:44:57,054 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:44:59,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:44:59,166 INFO L93 Difference]: Finished difference Result 460 states and 521 transitions. [2020-10-23 23:44:59,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 23:44:59,167 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-10-23 23:44:59,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:44:59,176 INFO L225 Difference]: With dead ends: 460 [2020-10-23 23:44:59,176 INFO L226 Difference]: Without dead ends: 318 [2020-10-23 23:44:59,178 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 23:44:59,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-10-23 23:44:59,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 281. [2020-10-23 23:44:59,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-10-23 23:44:59,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 305 transitions. [2020-10-23 23:44:59,323 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 305 transitions. Word has length 149 [2020-10-23 23:44:59,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:44:59,326 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 305 transitions. [2020-10-23 23:44:59,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 23:44:59,327 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 305 transitions. [2020-10-23 23:44:59,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-23 23:44:59,329 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:44:59,329 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:44:59,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 23:44:59,330 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:44:59,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:44:59,331 INFO L82 PathProgramCache]: Analyzing trace with hash 843521329, now seen corresponding path program 1 times [2020-10-23 23:44:59,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:44:59,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1733056786] [2020-10-23 23:44:59,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:44:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:00,140 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:45:00,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:45:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:00,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:45:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:00,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:45:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:00,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:45:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:00,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:45:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:00,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-23 23:45:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:00,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 23:45:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:00,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-23 23:45:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:00,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:45:00,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1733056786] [2020-10-23 23:45:00,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:45:00,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 23:45:00,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831999438] [2020-10-23 23:45:00,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 23:45:00,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:45:00,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 23:45:00,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-23 23:45:00,374 INFO L87 Difference]: Start difference. First operand 281 states and 305 transitions. Second operand 10 states. [2020-10-23 23:45:01,358 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:45:02,204 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:45:02,880 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:45:03,602 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:45:04,291 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:45:04,960 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:45:08,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:45:08,429 INFO L93 Difference]: Finished difference Result 506 states and 583 transitions. [2020-10-23 23:45:08,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 23:45:08,432 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2020-10-23 23:45:08,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:45:08,436 INFO L225 Difference]: With dead ends: 506 [2020-10-23 23:45:08,436 INFO L226 Difference]: Without dead ends: 340 [2020-10-23 23:45:08,437 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-10-23 23:45:08,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-10-23 23:45:08,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 281. [2020-10-23 23:45:08,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-10-23 23:45:08,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 304 transitions. [2020-10-23 23:45:08,581 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 304 transitions. Word has length 162 [2020-10-23 23:45:08,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:45:08,582 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 304 transitions. [2020-10-23 23:45:08,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 23:45:08,582 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 304 transitions. [2020-10-23 23:45:08,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-23 23:45:08,585 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:45:08,585 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:45:08,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 23:45:08,586 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:45:08,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:45:08,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1781222494, now seen corresponding path program 1 times [2020-10-23 23:45:08,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:45:08,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1892619700] [2020-10-23 23:45:08,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:45:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:09,272 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:45:09,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:45:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:09,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:45:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:09,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:45:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:09,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:45:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:09,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:45:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:09,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-23 23:45:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:09,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 23:45:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:09,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:45:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:09,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:45:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:09,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:45:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:09,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-23 23:45:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:09,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-23 23:45:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:09,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:45:09,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1892619700] [2020-10-23 23:45:09,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:45:09,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 23:45:09,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250954917] [2020-10-23 23:45:09,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 23:45:09,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:45:09,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 23:45:09,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-23 23:45:09,510 INFO L87 Difference]: Start difference. First operand 281 states and 304 transitions. Second operand 7 states. [2020-10-23 23:45:10,739 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:45:13,723 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:45:15,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:45:15,796 INFO L93 Difference]: Finished difference Result 694 states and 822 transitions. [2020-10-23 23:45:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-23 23:45:15,798 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 180 [2020-10-23 23:45:15,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:45:15,804 INFO L225 Difference]: With dead ends: 694 [2020-10-23 23:45:15,804 INFO L226 Difference]: Without dead ends: 528 [2020-10-23 23:45:15,805 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-23 23:45:15,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-10-23 23:45:15,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 399. [2020-10-23 23:45:15,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-10-23 23:45:15,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 429 transitions. [2020-10-23 23:45:15,987 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 429 transitions. Word has length 180 [2020-10-23 23:45:15,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:45:15,987 INFO L481 AbstractCegarLoop]: Abstraction has 399 states and 429 transitions. [2020-10-23 23:45:15,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 23:45:15,988 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 429 transitions. [2020-10-23 23:45:15,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-23 23:45:15,992 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:45:15,992 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:45:15,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 23:45:15,992 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:45:15,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:45:15,993 INFO L82 PathProgramCache]: Analyzing trace with hash 841598671, now seen corresponding path program 1 times [2020-10-23 23:45:15,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:45:15,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010769812] [2020-10-23 23:45:15,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:45:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:16,665 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:45:16,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:45:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:16,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:45:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:16,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:45:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:16,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:45:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:16,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:45:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:16,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-23 23:45:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:16,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 23:45:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:16,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:45:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:16,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:45:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:16,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:45:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:16,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 23:45:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:16,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 23:45:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:16,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-23 23:45:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:16,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-23 23:45:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:16,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:45:16,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010769812] [2020-10-23 23:45:16,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:45:16,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 23:45:16,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785428758] [2020-10-23 23:45:16,927 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 23:45:16,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:45:16,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 23:45:16,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-23 23:45:16,928 INFO L87 Difference]: Start difference. First operand 399 states and 429 transitions. Second operand 10 states. [2020-10-23 23:45:17,948 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:45:21,065 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:45:21,742 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:45:22,456 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:45:23,114 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:45:23,791 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:45:24,464 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:45:25,160 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:45:26,066 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:45:29,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:45:29,821 INFO L93 Difference]: Finished difference Result 1155 states and 1383 transitions. [2020-10-23 23:45:29,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-23 23:45:29,822 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2020-10-23 23:45:29,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:45:29,828 INFO L225 Difference]: With dead ends: 1155 [2020-10-23 23:45:29,829 INFO L226 Difference]: Without dead ends: 871 [2020-10-23 23:45:29,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-10-23 23:45:29,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2020-10-23 23:45:30,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 645. [2020-10-23 23:45:30,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-10-23 23:45:30,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 700 transitions. [2020-10-23 23:45:30,179 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 700 transitions. Word has length 204 [2020-10-23 23:45:30,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:45:30,180 INFO L481 AbstractCegarLoop]: Abstraction has 645 states and 700 transitions. [2020-10-23 23:45:30,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 23:45:30,180 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 700 transitions. [2020-10-23 23:45:30,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-23 23:45:30,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:45:30,184 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:45:30,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 23:45:30,185 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:45:30,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:45:30,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1054712920, now seen corresponding path program 1 times [2020-10-23 23:45:30,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:45:30,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1051552387] [2020-10-23 23:45:30,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:45:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:30,931 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:45:30,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:45:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:30,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:45:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:30,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:45:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:30,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:45:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:30,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:45:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:31,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-23 23:45:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:31,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 23:45:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:31,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-23 23:45:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:31,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:45:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:31,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:45:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:31,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:45:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:31,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 23:45:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:31,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 23:45:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:31,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-23 23:45:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:31,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-23 23:45:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:31,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:45:31,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1051552387] [2020-10-23 23:45:31,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:45:31,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-23 23:45:31,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576319439] [2020-10-23 23:45:31,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-23 23:45:31,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:45:31,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-23 23:45:31,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-23 23:45:31,245 INFO L87 Difference]: Start difference. First operand 645 states and 700 transitions. Second operand 11 states. [2020-10-23 23:45:32,301 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:45:35,246 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:45:35,887 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:45:36,623 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:45:37,304 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:45:38,013 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:45:38,767 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:45:39,464 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:45:40,259 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:45:44,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:45:44,168 INFO L93 Difference]: Finished difference Result 1007 states and 1235 transitions. [2020-10-23 23:45:44,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-23 23:45:44,169 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 209 [2020-10-23 23:45:44,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:45:44,178 INFO L225 Difference]: With dead ends: 1007 [2020-10-23 23:45:44,178 INFO L226 Difference]: Without dead ends: 1003 [2020-10-23 23:45:44,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2020-10-23 23:45:44,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2020-10-23 23:45:44,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 645. [2020-10-23 23:45:44,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-10-23 23:45:44,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 699 transitions. [2020-10-23 23:45:44,456 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 699 transitions. Word has length 209 [2020-10-23 23:45:44,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:45:44,456 INFO L481 AbstractCegarLoop]: Abstraction has 645 states and 699 transitions. [2020-10-23 23:45:44,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-23 23:45:44,457 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 699 transitions. [2020-10-23 23:45:44,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-23 23:45:44,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:45:44,460 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:45:44,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 23:45:44,461 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:45:44,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:45:44,462 INFO L82 PathProgramCache]: Analyzing trace with hash -2074053688, now seen corresponding path program 1 times [2020-10-23 23:45:44,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:45:44,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1958876522] [2020-10-23 23:45:44,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:45:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:45,153 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:45:45,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:45:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:45,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:45:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:45,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:45:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:45,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:45:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:45,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:45:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:45,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-23 23:45:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:45,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 23:45:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:45,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-23 23:45:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:45,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:45:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:45,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:45:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:45,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:45:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:45,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 23:45:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:45,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 23:45:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:45,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-23 23:45:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:45,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-23 23:45:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:45,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:45:45,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1958876522] [2020-10-23 23:45:45,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:45:45,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-23 23:45:45,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367186975] [2020-10-23 23:45:45,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-23 23:45:45,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:45:45,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-23 23:45:45,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-23 23:45:45,447 INFO L87 Difference]: Start difference. First operand 645 states and 699 transitions. Second operand 11 states. [2020-10-23 23:45:47,924 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:45:48,674 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:45:49,468 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 23:45:50,196 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:45:50,938 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:45:51,599 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:45:55,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:45:55,492 INFO L93 Difference]: Finished difference Result 1543 states and 1850 transitions. [2020-10-23 23:45:55,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-23 23:45:55,493 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 210 [2020-10-23 23:45:55,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:45:55,499 INFO L225 Difference]: With dead ends: 1543 [2020-10-23 23:45:55,499 INFO L226 Difference]: Without dead ends: 1013 [2020-10-23 23:45:55,502 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-10-23 23:45:55,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2020-10-23 23:45:55,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 661. [2020-10-23 23:45:55,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2020-10-23 23:45:55,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 715 transitions. [2020-10-23 23:45:55,837 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 715 transitions. Word has length 210 [2020-10-23 23:45:55,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:45:55,837 INFO L481 AbstractCegarLoop]: Abstraction has 661 states and 715 transitions. [2020-10-23 23:45:55,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-23 23:45:55,838 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 715 transitions. [2020-10-23 23:45:55,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-23 23:45:55,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:45:55,841 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:45:55,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-23 23:45:55,842 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:45:55,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:45:55,842 INFO L82 PathProgramCache]: Analyzing trace with hash -2136382424, now seen corresponding path program 1 times [2020-10-23 23:45:55,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:45:55,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2019054549] [2020-10-23 23:45:55,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:45:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:56,543 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:45:56,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:45:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:56,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:45:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:56,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:45:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:56,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:45:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:56,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:45:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:56,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-23 23:45:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:56,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 23:45:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:56,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-23 23:45:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:56,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:45:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:56,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:45:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:56,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:45:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:56,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 23:45:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:56,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 23:45:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:56,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-23 23:45:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:56,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-23 23:45:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:56,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:45:56,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2019054549] [2020-10-23 23:45:56,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:45:56,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-23 23:45:56,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467416788] [2020-10-23 23:45:56,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-23 23:45:56,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:45:56,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-23 23:45:56,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-23 23:45:56,910 INFO L87 Difference]: Start difference. First operand 661 states and 715 transitions. Second operand 14 states. [2020-10-23 23:45:58,236 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:45:58,976 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:45:59,723 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:46:00,445 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:46:01,134 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:46:02,980 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:46:03,699 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:46:04,452 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:46:05,213 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:46:05,927 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:46:09,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:46:09,543 INFO L93 Difference]: Finished difference Result 1581 states and 1915 transitions. [2020-10-23 23:46:09,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-23 23:46:09,544 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 210 [2020-10-23 23:46:09,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:46:09,550 INFO L225 Difference]: With dead ends: 1581 [2020-10-23 23:46:09,550 INFO L226 Difference]: Without dead ends: 1035 [2020-10-23 23:46:09,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-10-23 23:46:09,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2020-10-23 23:46:09,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 673. [2020-10-23 23:46:09,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2020-10-23 23:46:09,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 727 transitions. [2020-10-23 23:46:09,797 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 727 transitions. Word has length 210 [2020-10-23 23:46:09,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:46:09,798 INFO L481 AbstractCegarLoop]: Abstraction has 673 states and 727 transitions. [2020-10-23 23:46:09,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-23 23:46:09,798 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 727 transitions. [2020-10-23 23:46:09,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-23 23:46:09,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:46:09,802 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:46:09,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-23 23:46:09,802 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:46:09,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:46:09,803 INFO L82 PathProgramCache]: Analyzing trace with hash 3523493, now seen corresponding path program 1 times [2020-10-23 23:46:09,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:46:09,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [969597479] [2020-10-23 23:46:09,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:46:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:46:10,510 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:46:10,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:46:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:46:10,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:46:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:46:10,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:46:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:46:10,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:46:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:46:10,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:46:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:46:10,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-23 23:46:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:46:10,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 23:46:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:46:10,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-23 23:46:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:46:10,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:46:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:46:10,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:46:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:46:10,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:46:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:46:10,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 23:46:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:46:10,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 23:46:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:46:10,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-23 23:46:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:46:10,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-23 23:46:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:46:10,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:46:10,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [969597479] [2020-10-23 23:46:10,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:46:10,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-23 23:46:10,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491789382] [2020-10-23 23:46:10,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 23:46:10,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:46:10,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 23:46:10,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-23 23:46:10,779 INFO L87 Difference]: Start difference. First operand 673 states and 727 transitions. Second operand 8 states. [2020-10-23 23:46:11,905 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:46:13,186 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:46:20,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:46:20,583 INFO L93 Difference]: Finished difference Result 2271 states and 2837 transitions. [2020-10-23 23:46:20,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-23 23:46:20,584 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 210 [2020-10-23 23:46:20,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:46:20,596 INFO L225 Difference]: With dead ends: 2271 [2020-10-23 23:46:20,596 INFO L226 Difference]: Without dead ends: 1713 [2020-10-23 23:46:20,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 42 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2020-10-23 23:46:20,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2020-10-23 23:46:21,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1135. [2020-10-23 23:46:21,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1135 states. [2020-10-23 23:46:21,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1267 transitions. [2020-10-23 23:46:21,143 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1267 transitions. Word has length 210 [2020-10-23 23:46:21,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:46:21,144 INFO L481 AbstractCegarLoop]: Abstraction has 1135 states and 1267 transitions. [2020-10-23 23:46:21,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 23:46:21,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1267 transitions. [2020-10-23 23:46:21,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-10-23 23:46:21,148 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:46:21,148 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:46:21,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-23 23:46:21,149 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:46:21,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:46:21,150 INFO L82 PathProgramCache]: Analyzing trace with hash -265082668, now seen corresponding path program 1 times [2020-10-23 23:46:21,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:46:21,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [511024252] [2020-10-23 23:46:21,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:46:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 23:46:21,276 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 23:46:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 23:46:21,358 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 23:46:21,648 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 23:46:21,648 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 23:46:21,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-23 23:46:22,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 11:46:22 BoogieIcfgContainer [2020-10-23 23:46:22,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 23:46:22,009 INFO L168 Benchmark]: Toolchain (without parser) took 94342.84 ms. Allocated memory was 164.6 MB in the beginning and 496.0 MB in the end (delta: 331.4 MB). Free memory was 139.8 MB in the beginning and 364.8 MB in the end (delta: -225.0 MB). Peak memory consumption was 107.6 MB. Max. memory is 8.0 GB. [2020-10-23 23:46:22,012 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory is still 100.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 23:46:22,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.50 ms. Allocated memory is still 164.6 MB. Free memory was 139.1 MB in the beginning and 116.9 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-23 23:46:22,014 INFO L168 Benchmark]: Boogie Preprocessor took 183.55 ms. Allocated memory is still 164.6 MB. Free memory was 116.9 MB in the beginning and 145.2 MB in the end (delta: -28.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-23 23:46:22,015 INFO L168 Benchmark]: RCFGBuilder took 1815.51 ms. Allocated memory is still 164.6 MB. Free memory was 145.2 MB in the beginning and 79.5 MB in the end (delta: 65.7 MB). Peak memory consumption was 66.6 MB. Max. memory is 8.0 GB. [2020-10-23 23:46:22,019 INFO L168 Benchmark]: TraceAbstraction took 91647.60 ms. Allocated memory was 164.6 MB in the beginning and 496.0 MB in the end (delta: 331.4 MB). Free memory was 79.0 MB in the beginning and 364.8 MB in the end (delta: -285.8 MB). Peak memory consumption was 45.5 MB. Max. memory is 8.0 GB. [2020-10-23 23:46:22,024 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory is still 100.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 677.50 ms. Allocated memory is still 164.6 MB. Free memory was 139.1 MB in the beginning and 116.9 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 183.55 ms. Allocated memory is still 164.6 MB. Free memory was 116.9 MB in the beginning and 145.2 MB in the end (delta: -28.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1815.51 ms. Allocated memory is still 164.6 MB. Free memory was 145.2 MB in the beginning and 79.5 MB in the end (delta: 65.7 MB). Peak memory consumption was 66.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 91647.60 ms. Allocated memory was 164.6 MB in the beginning and 496.0 MB in the end (delta: 331.4 MB). Free memory was 79.0 MB in the beginning and 364.8 MB in the end (delta: -285.8 MB). Peak memory consumption was 45.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=180, \old(head)=171, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=143, cleanupTimeShifts=4, head={182:171}, methaneLevelCritical=149, pumpRunning=141, systemActive=140, waterLevel=143] [L231] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=171, \old(methaneLevelCritical)=149, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=143, cleanupTimeShifts=4, head={182:171}, methaneLevelCritical=149, pumpRunning=0, systemActive=140, waterLevel=143] [L232] int systemActive = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=171, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=143, cleanupTimeShifts=4, head={182:171}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=143] [L693] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=180, \old(head)=171, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=143] [L891] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=171, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=1] [L892] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=171, \old(methaneLevelCritical)=149, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L124] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L129] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L489] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L492] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L493] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L130] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L130] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L132] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L134] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L135] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L114] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L148] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L149] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L150] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L151] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L152] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L155] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L157] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L159] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L165] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L167] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L169] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L909] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L910] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L169] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L175] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L177] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L179] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L921] COND FALSE !(\read(methaneLevelCritical)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L924] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L179] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L185] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L187] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L189] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L458] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L189] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L202] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L239] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L246] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L248] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L320] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L323] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L338] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L294] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L297] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L312] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L268] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L271] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L273] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L417] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L418] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L419] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L423] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L971] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L974] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L978] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L979] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L423] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L423] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L425] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L428] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L430] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L431] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L273] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L273] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L275] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L277] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L348] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L277] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L312] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L338] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L248] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L254] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L499] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L500] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L504] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L930] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L933] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L934] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L504] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L504] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L506] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L508] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L372] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L375] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L376] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L508] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L508] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L510] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L512] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L218] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec1_product54.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 666 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 91.2s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 79.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2496 SDtfs, 6131 SDslu, 4621 SDs, 0 SdLazy, 10163 SolverSat, 1975 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 428 GetRequests, 274 SyntacticMatches, 4 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 564 ImplicationChecksByTransitivity, 37.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1135occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 2145 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 1897 NumberOfCodeBlocks, 1897 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1673 ConstructedInterpolants, 0 QuantifiedInterpolants, 785264 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...